FCC Web Documents citing 73.317

as compiled by hallikainen.com/FccRules on 2012 07 01

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  • was aware of the broken fence before the [field office's] inspection or that it failed to monitor the condition of the antenna site.'' Vernon Broadcasting, Inc. at para 3. In High Country Communications, Inc. 2 FCC Rcd 7427 (1987), the Commission distinguished its decision in Vernon Broadcasting finding that High Country Communications, licensee of KVLE(FM), Gunnison, Colorado, willfully violated Section 73.317(a)(8) of the Rules, by causing spurious emissions, because, among other reasons, ``[w]hile the fence in Vernon was, by its very nature and location, subject to influences outside the immediate knowledge and control of the licensee, KLVE(FM)'s transmitter was, at all relevant times, under the exclusive domain of High Country [and any] spurious emissions produced by the KLVE(FM) transmitter [were] attributable
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  • 47 C.F.R. �11.52 (EAS Code and Attention Signal Monitoring Requirements). Detroit, MI District Office (10/12/00). Riverside Broadcasting, Inc., Riverside, CA. Other violation: 47 C.F.R. � 11.52 (EAS Code and Attention Signal Monitoring Requirements). Detroit, MI District Office (10/12/00). Vogel Roach Corporation, Delphos, OH. Detroit, MI District Office (10/12/00). University of Puerto Rico, San Juan, PR. Other violation: 47 C.F.R. � 73.317 (FM Transmission System Requirements). San Juan, PR Resident Agent Office 47 C.F.R. � 11.35 - Equipment Operations Readiness Cox Communications, Omaha, NE. Kansas City, MO District Office (10/02/00). Brown Radio Group, Inc (WBBA-FM), Pittsfield, IL. Other violations: 47 C.F.R. �� 11.52 (EAS Code and Attention Signal Monitoring Requirements), 11.61 (Tests of EAS Procedures), 73.267 (Determining Operating Power), 73.1230 (Posting of
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  • including the violations of Sections 73.1350(c)(2), 73.1590(a)(1), and 73.1870(b)(3) of the Rules noted above. On December 4, 1998, the Tampa Field Office issued a Notice of Violation (``NOV'') to Joy for these violations, as well as violations of Section 11.15 of the Rules (requiring that the EAS operating handbook be kept at normal duty positions or EAS equipment locations), and 73.317(d) of the Rules (requiring that any emissions appearing on a frequency removed from the carrier by more than 600 kHz be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation). 3. Joy's December 21, 1998 response to the NOV denied that Joy had
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  • Falls, NY. Buffalo, NY Resident Agent Office (4/5/01). Charter Communications, St. Louis, MO. Chicago, IL District Office (4/24/01). 47 C.F.R. Part 21 - Domestic Public Fixed Radio Services 47 C.F.R. � 21.106 - Emission Limitations Ameritech Minneapolis Paging Company, Dallas, TX. , Saint Paul, MN Resident Agent Office (4/2/01). 47 C.F.R. Part 73 - Radio Broadcast Services 47 C.F.R. � 73.317 - FM Transmission System Requirements University of Puerto Rico (WRTU-FM)., San Juan, PR. San Juan, PR Resident Agent Office (4/24/01). 47 C.F.R. � 73.1230 - Broadcasting Emergency Information WNUS, Inc., WLTP, Parkersburg, WV. Columbia, MD District Office (4/27/01). 47 C.F.R. � 73.1590 - Equipment Performance Measurements Burbach of DE, LLC, WKYG, Parkersburg, WV. Columbia, MD District Office (4/27/01). 47 C.F.R.
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  • license. In the instant petition for reconsideration, Joy does not raise challenges to the rule violations which gave rise to the $3,000 forfeiture issued in the Forfeiture Order. Rather, Joy challenges the statement in the Forfeiture Order that the November 17, 1998, inspection of WJTF-FM by the FCC's Tampa, Florida Field Office (``Tampa Field Office'') revealed a violation of Section 73.317(d) of the Rules, which provides that any emissions appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation. Measurements taken by agents from the Tampa Field Office during the
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-01-711A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-01-711A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-01-711A1.txt
  • CO District Office (2/6/01). 47 C.F.R. Part 73 - Broadcast Radio Services 47 C.F.R. � 73.49 - AM Transmission System Fencing Requirements Beltway Communications Corp., Gaithersburg, MD, WMET. Other violations: 47 C.F.R. �� 73.54 (Antenna Resistance and Reactance Measurements), 73.1590 (Equipment Performance Measurements), and 73.3526 (Local Public Inspection File for Commercial Stations). Columbia, MD District Office (2/21/01). 47 C.F.R. � 73.317 - Spurious Emissions Hawaii Public Radio, KIPO-FM, Honolulu, HI. Honolulu, HI Resident Agent Office (2/7/01). 47 C.F.R. � 73.1201 - Station Identification The Board of Education, Novi Community School District, Novi, MI. Other violation: 47 C.F.R. � 73.3527 (Local Public Inspection File for Noncommercial Educational Stations). Detroit, MI District Office (2/2/01). 47 C.F.R. � 73.1213 - Antenna Structure Marking and
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  • new transmitter, and to designate the station's chief operator in writing and post a copy of the designation with the station license. In its fourth petition for reconsideration, Joy again challenges the statement in the Forfeiture Order that the November 17, 1998, inspection of WJTF-FM by the FCC's Tampa, Florida Field Office (``Tampa Field Office'') revealed a violation of Section 73.317(d) of the Rules, which provides that any emissions appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation. Measurements taken by agents from the Tampa Field Office during the
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  • operation until such EA is ruled upon by the Commission; geographic coordinates, elevation data, and license file number for the auxiliary antenna to be employed for digital transmissions; and for systems employing interleaved antenna bays, a certification that adequate filtering and/or isolation equipment has been installed to prevent spurious emissions in excess of the limits specified in 47 C.F.R. Section 73.317. For additional information, contact Edward De La Hunt, Charles N. Miller or Ann Gallagher at the Audio Division, Media Bureau at (202) 418-2700. By: Chief, Media Bureau -FCC- The term ``hybrid'' refers to a system which transmits both the digital and analog signals within the spectral emission mask of a single AM or FM channel. See Digital Audio Broadcasting Systems
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  • 3. BCI notes that in the public interest and in reliance upon the automatic forfeiture of the WRKH(FM) construction permit, BCI has filed a new application for construction permit to specify improved facilities for its WBBN(FM); see also File No. BPH-20050613ADQ. 47 C.F.R. � 73.13536(a). See Opposition Attachment A, Declaration of Randall L. Mullinax. Id. See also 47 C.F.R. � 73.317(b)-(d). See 47 C.F.R. � 73.1620(a)(1). See Opposition at 5. CCBL cites the following examples: Station WJUN(AM), Mexico, Pennsylvania (Construction Permit No. BP-19990727AC expired January 23, 2005; License Application File No. BL-20050125ALN filed on January 25, 2005, granted on May 18, 2005); KVLH(AM), Pauls Valley, Oklahoma (Construction Permit No. BP-20010202AD expired February 13, 2005; License Application File No. BL-20050228ADS filed on
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  • ``Phillip Gantore,'' with the address listed only as ``Breezy Point.'' In its Supplement to Opposition, MCBI details several attempts to locate the complainant, but to no avail. Supplement to Opposition at 3-4. Memorandum Opinion and Order, 6 FCC Rcd 225 (1991). Id. at 225 n.3, 226. Id. at 227-28. See Exhibit 2 to DJ Petition. See also 47 C.F.R. � 73.317(d). See Exhibits A and B to Opposition. 47 C.F.R. �� 73.318(b), (d). Id. � 73.5003. Federal Communications Commission Washington, D.C. 20554 � �B��k�(/YM��`鉉��PNG �0���eX...�W0f�"˸ -ʝ �D... p-C� C\ i8 �] ~'��\��� g�bF�JU �}p�� Ӵ�:|Y�.̕� ���`]fe�ʦ�S ��8���o��(R)� �� -�o} �^ rt2 ; X�0~B�e6%����70o�B(R)x�oG�� �k��"a �n�"W -1��$�7'����2 o �  ��2� ����" ��� +� bK`�˯� � �����v'�B-�7sp?$ � ����)} �� �s���-�U�(� ��
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  • WBTG-FM transmitter site on March 7, 2005, using standard engineering practices and guidelines as set forth in the Commission's Rules. Kidd's inspection demonstrated compliance with the spurious emissions or overmodulation restrictions set forth in Section 73.1570(b)(2) of the Rules. Additionally, Kidd states that analysis of the spectrum plots revealed that Station WBTG-FM's occupied bandwidth easily satisfied the specifications of Section 73.317 of the Rules. Kidd concludes that WBTG-FM's transmitting equipment is working well within the specifications set forth in the Commission's rules concerning FM broadcast station practices. Staff analysis affirms the reliability of Kidd's report. Finally, we note that Bonner's residence is 93 kilometers from the WTAK-FM transmitter site and more than 50 kilometers beyond WTAK-FM's predicted service (60 dB�) contour.
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  • was aware of the broken fence before the [field office's] inspection or that it failed to monitor the condition of the antenna site.'' Vernon Broadcasting, Inc. at para 3. In High Country Communications, Inc. 2 FCC Rcd 7427 (1987), the Commission distinguished its decision in Vernon Broadcasting finding that High Country Communications, licensee of KVLE(FM), Gunnison, Colorado, willfully violated Section 73.317(a)(8) of the Rules, by causing spurious emissions, because, among other reasons, ``[w]hile the fence in Vernon was, by its very nature and location, subject to influences outside the immediate knowledge and control of the licensee, KLVE(FM)'s transmitter was, at all relevant times, under the exclusive domain of High Country [and any] spurious emissions produced by the KLVE(FM) transmitter [were] attributable
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-10-208A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-10-208A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-10-208A1.txt
  • the FM IBOC extended hybrid digital mode. See id. See Petition for Rulemaking, USA Digital Radio Partners, L.P., RM-9395, filed Oct. 7, 1998, (``USA Digital Petition'') at 41. The NRSC is an industry group jointly sponsored by the National Association of Broadcasters and the Consumer Electronics Association. See First Report and Order, 17 FCC Rcd at 20004. 47 C.F.R. � 73.317. The stations receiving experimental authorizations for increased FM Digital ERP operation in 2007 were: WBEN-FM, Fac. ID No. 22308, Philadelphia, PA; WMGK(FM), Fac. ID No. 25094, Philadelphia, PA; WCSX(FM), Fac. ID No. 25084, Birmingham, MI; WJRZ-FM, Fac. ID No. 31078, Manahawkin, NJ; WKCI-FM, Fac. ID No. 11930, Hamden, CT; KOST(FM), Fac. ID No. 34424, Los Angeles, CA; KROQ-FM, Fac. ID
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/DOC-262764A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/DOC-262764A1.pdf
  • This is a Notice of Violation ("Notice") issued pursuant to Section 1.89 of the Commission's Rules, to Oregon Eagle, Inc., licensee of radio station KTIL-FM. On November 18, 2005, in response to a complaint, an agent from the Enforcement Bureau's Portland Resident Agent Office inspected radio station KTIL-FM located in Tillamook, Oregon, and observed the following violation(s): 47 C.F.R. � 73.317(d): Any emission appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 80 dB. At the time of the inspection, the agent determined KTIL-FM failed to properly attenuate its spurious emissions which were causing harmful interference to the complainant's fundamental frequency. Pursuant to Section 308(b) of the Communications Act of 1934, as
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  • Enforcement Bureau: This is a Notice of Violation ("Notice") issued pursuant to Section 1.89 of the Commission's Rules, to Great Country Broadcasting Inc. licensee of radio station KIBS-FM in Bishop, CA. On August 19, 2006, an agent of the Enforcement Bureau's Los Angeles Office monitored radio station KIBS-FM located at Bishop, CA, and observed the following violation(s): 47 C.F.R. � 73.317(c): ``Any emission appearing on a frequency removed from the carrier by more that 240 KHz and up to and including 600 KHz must be attenuated at least 35 dB below the level of the unmodulated carrier.'' While monitoring the emissions of KIBS-FM, Los Angeles agents noted two spurious emissions, one at 100.209 KHz which was attenuated only -26dB relative to
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  • Bureau: This is a Notice of Violation (``Notice'') issued pursuant to Section 1.89 of the Commission's Rules to Cumulus Licensing, LLC., licensee of radio station WAOA-FM. On May 18, 2006, agents of the Commission's Tampa Office of the Enforcement Bureau performed measurements of radio station WAOA-FM's transmitter located in Melbourne, Florida and observed the following violations: a. 47 C.F.R. � 73.317(d): ``Any emission appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation.'' A spurious emission (``Spur'') at 107.9 MHz was noted and the station was advised that the level of
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  • is a Notice of Violation (``Notice'') issued pursuant to Section 1.89 of the Commission's Rules to Gap Broadcasting Lubbock License, LLC, licensee of radio station KQBR in Lubbock, Texas. On May 15, 2008, an agent of the Commission's Dallas Office of the Enforcement Bureau inspected radio station KQBR located in Lubbock, Texas, and observed the following violation(s): 47 C.F.R. � 73.317(a): ``FM broadcast stations employing transmitters authorized after January 1, 1960, must maintain the bandwidth occupied by their emissions in accordance with the specification detailed below. FM broadcast stations employing transmitters installed or type accepted before January 1, 1960, must achieve the highest degree of compliance with these specifications practicable with their existing equipment. In either case, should harmful interference to
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  • This is a Notice of Violation (``Notice'') issued pursuant to Section 1.89 of the Commission's Rules to Double O Texas Corporation, licensee of radio station KKCN in Ballinger, Texas. On May 13, 2008, an agent of the Commission's Dallas Office of the Enforcement Bureau inspected radio station KKCN located in Rowena, Texas, and observed the following violation(s): 47 C.F.R. � 73.317(a): ``FM broadcast stations employing transmitters authorized after January 1, 1960, must maintain the bandwidth occupied by their emissions in accordance with the specification detailed below. FM broadcast stations employing transmitters installed or type accepted before January 1, 1960, must achieve the highest degree of compliance with these specifications practicable with their existing equipment. In either case, should harmful interference to
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/DOC-295355A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/DOC-295355A1.pdf
  • Administration about interrference to navigation aids at the Raleigh-Durham International Airport. Station WKVK is authorized to transmit on 106.7 MHz to the community of Semora, North Carolina from antenna structure number 1033162, located at latitude 36 25 08.0 north and longitude 079 11 48.0 west. During inspection of the station facilities, the agent observed the following violation: 47 C.F.R. � 73.317(b): ``Any emission appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10 Log10(Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation...'' On several frequencies removed from the carrier frequency by 600kHz or more, emissions were suppressed by less than
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  • This is a Notice of Violation (``Notice'') issued pursuant to Section 1.89 of the Commission's Rules to Wilks License Company - Lubbock LLC (Wilks), licensee of radio station KLLL in Lubbock, Texas. On February 25, 2010, an agent of the Commission's Dallas Office inspected/monitored radio station KLLL, located at Lubbock, Texas, and observed the following violation(s): a. 47 C.F.R. � 73.317(d): ``Any emission appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation.'' At the time of inspection, the spectrum sample from radio station KLLL had spurious emissions on 95.0,
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  • (``Notice'') issued pursuant to Section 1.89 of the Commission's Rules (``Rules'') to Wilks License Company - Lubbock LLC (Wilks), licensee of radio stations KONE and KMMX in Lubbock and Tahoka, Texas. On February 24, 2010, an agent of the Commission's Dallas Office inspected/monitored radio stations KONE and KMMX, located near Lubbock, Texas, and observed the following violation(s): 47 C.F.R. � 73.317(c): ``Any emission appearing on a frequency removed from the carrier by more than 240 kHz and up to and including 600 kHz must be attenuated at least 35 dB below the level of the unmodulated carrier.'' At the time of the inspection, the spectrum sample from radio station KONE, 101.1 MHz, had spurious emissions from 100.5 MHz to 100.7 MHZ
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  • to Section 1.89 of the Commission's Rules, to Wilks License Company-Reno, LLC (``Wilks''), licensee of radio station KWFP, Sparks, Nevada, operating on 92.1 MHz, and KURK, Reno, Nevada, operating on 92.9 MHz. On November 29, 2011, agents of the Commission's San Francisco Office investigated radio stations KWFP and KURK transmitting from Reno, Nevada, and observed the following violation: 47 C.F.R. �73.317(a): ``FM broadcast stations employing transmitters authorized after January 1, 1960, must maintain the bandwidth occupied by their emissions in accordance with the specification detailed below. FM broadcast stations employing transmitters installed or type accepted before January 1, 1960, must achieve the highest degree of compliance with these specifications practicable with their existing equipment. In either case, should harmful interference to
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  • Director, Dallas Office, South Central Region, Enforcement Bureau: This is a Notice of Violation (Notice) issued pursuant to Section 1.89 of the Commission's rules to Double O Texas Corporation, licensee of Station KKCN in San Angelo, Texas. On July 5, 2011, an agent of the Enforcement Bureau's Dallas Office monitored Station KKCN and observed the following violation(s): 47 C.F.R. � 73.317(d):``Any emission appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation.'' At the time of inspection, the spurious emissions from Station KKCN on the frequency 103.1 MHz, attenuated -50
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  • 2012 By the District Director, Boston Office, Northeast Region, Enforcement Bureau: This is a Notice of Violation (``Notice'') issued pursuant to Section 1.89 of the Commission's rules to Cumulus Licensing LLC, licensee of FM Station WEBE in Bridgeport, CT. On February 22, 2012, an agent of the Commission's Boston Office monitored Station WEBE and observed the following violation: 47 C.F.R. �73.317(d): ``Any emission appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation.'' The spurious emissions from Station WEBE on the frequencies 106.7 MHz, and 109.1 MHz were observed to
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  • station's 60 dBu contour. See � 52. ``In most cases, these standards will be met through the use of certified equipment without need for further adjustment by the LPFM licensee. LPFM stations will be required to adhere to the 200 kHz channel bandwidth applicable to full service stations, as well as the out-of-channel signal attenuation requirements in 47 C.F.R. � 73.317 [via reference in � 73.508], the center frequency drift limits in 47 C.F.R. 73.1545(b), and the limits on modulation in 47 C.F.R. � 73.1570 (a) and (b).'' Report and Order, 15 FCC Rcd at 2248, �109. In this regard, we note that one of the rules modified in the Report and Order, 47 C.F.R. � 73.1660, inadvertently specified verification rather
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  • at p. 77, Summary and Conclusion. See also the discussion of first adjacent channel D/U protection ratios in the above discussion of interference protection standards. See NTIA letter, supra. The full TV channel 23 signal occupies the frequency band 524-530 MHz. For example, this type of formulation specifies part of the emission mask for FM broadcast stations. 47 C.F.R. � 73.317(d). 47 C.F.R. � 74.750(a). 47 C.F.R. � 2.907(a). The particulars for applications for certification are given in Section 2.1033. Inquiry into the Future Role of Low Power Television Broadcasting and Television Translators in the National Telecommunications System. 45 F.R. 69178 (1980). 47 C.F.R. � 74.731(f). 47 C.F.R. � 74.750(c). . 47 C.F.R. � 74.750(c). 47 C.F.R. � 74.750(a). The certification
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  • lower edges of the channel, and the frequency modulated signal in each channel swings in frequency from the center frequency toward the channel edges, and has its radiated power envelope shaped such that virtually all of the energy of the signal is contained within the channel. See 47 C.F.R. � 73.310. See 47 C.F.R. � 73.211. See 47 C.F.R. � 73.317. Section 73.525 applies to all applications for construction permits for new or modified facilities for an NCE-FM station on Channels 200-220 unless the application is accompanied by a written agreement between the NCE-FM applicant and each affected TV Channel 6 broadcast station concurring with the proposed NCE-FM facilities. See 47 C.F.R. � 73.525. FCC Public Notice, Comment Sought on Use
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  • using dual antennas shall provide the following information: (1) geographic coordinates, elevation data, and license file number for the auxiliary antenna to be employed for digital transmissions; and (2) for systems employing interleaved antenna bays, a certification that adequate filtering and/or isolation equipment has been installed to prevent spurious emissions in excess of the limits specified in 47 C.F.R. � 73.317. FM Translator and Booster Stations An FM translator station is a station operated for the purpose of retransmitting the signals of an FM station or another FM translator station without significantly altering any characteristics of the incoming signal other than its frequency and amplitude. An FM booster station is a station operated for the purpose of retransmitting the signals of
• http://transition.fcc.gov/Bureaus/Mass_Media/Notices/1999/fcc99327.doc http://transition.fcc.gov/Bureaus/Mass_Media/Notices/1999/fcc99327.pdf http://transition.fcc.gov/Bureaus/Mass_Media/Notices/1999/fcc99327.txt
  • Rcd at 2315. Id.; see Docket No. 90-357 MO&O, 12 FCC Rcd at 5769. Docket No. 90-357 NPRM, 7 FCC Rcd at 7793 (Separate Statement of Commissioner Ervin S. Duggan). Docket No. 90-357 MO&O, 12 FCC Rcd at 5767. Id. at 5768-69. See id. at 5760; Docket No. 90-357 R&O, 10 FCC Rcd at 2314. See 47 C.F.R. �� 73.44, 73.317. The IBOC FM 70-kHz digital sidebands would be positioned in the upper and lower 1st adjacent channels between +/-129 kHz and +/-199 kHz from the carrier frequency. See Petition at 47-48. The IBOC AM 5-kHz digital sidebands would be positioned between +/-5 kHz and +/-10 kHz from the carrier frequency. Id. at 70-71. Id. at 51. We do not have
• http://transition.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00019.doc http://transition.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00019.pdf
  • commercial and noncommercial educational FM stations. In most cases, these standards will be met through the use of type certified equipment without need for further adjustment by the LPFM licensee. LPFM stations will be required to adhere to the 200 kHz channel bandwidth applicable to full service stations, as well as the out-of-channel signal attenuation requirements in 47 CFR � 73.317, the center frequency drift limits in 47 CFR � 73.1545(b), and the limits on modulation in 47 CFR � 73.1570(a) and (b). In addition, LPFM stations may, at their option, engage in monophonic or stereophonic broadcasting. LPFM stations may also transmit additional information via inaudible subcarriers during those periods when the audible FM signal is on the air. Antenna polarization:
• http://transition.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00115.doc http://transition.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00115.pdf http://transition.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00115.txt
  • authorized antenna(s) as an emergency antenna. * * * * * 33. Section 73.1690 is amended to read as follows: � 73.1690 Modification of transmission systems. * * * * * (a) * * * (2) Those that would cause the transmission system to exceed the equipment performance measurements prescribed for the class of service, (AM, � 73.44; FM, �� 73.317, 73.319, and 73.322; TV and Class A TV, �� 73.682 and 73.687). (b) * * * (2) Any change in station geographic coordinates, including coordinate corrections. FM, TV and Class A TV directional stations must also file a construction permit application for any move of the antenna to another tower structure located at the same coordinates. Any change which would
• http://transition.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00349.pdf
  • 60 dBu contour. See � 52. 33 "In most cases, these standards will be met through the use of certified equipment without need for further adjustment by the LPFM licensee. LPFM stations will be required to adhere to the 200 kHz channel bandwidth applicable to full service stations, as well as the out-of-channel signal attenuation requirements in 47 C.F.R. � 73.317 [via reference in � 73.508], the center frequency drift limits in 47 C.F.R. 73.1545(b), and the limits on modulation in 47 C.F.R. � 73.1570 (a) and (b)." Report and Order, 15 FCC Rcd at 2248, �109. In this regard, we note that one of the rules modified in the Report and Order, 47 C.F.R. � 73.1660, inadvertently specified verification rather
• http://transition.fcc.gov/eb/Orders/2001/da01184.doc http://transition.fcc.gov/eb/Orders/2001/da01184.html
  • license. In the instant petition for reconsideration, Joy does not raise challenges to the rule violations which gave rise to the $3,000 forfeiture issued in the Forfeiture Order. Rather, Joy challenges the statement in the Forfeiture Order that the November 17, 1998, inspection of WJTF-FM by the FCC's Tampa, Florida Field Office (``Tampa Field Office'') revealed a violation of Section 73.317(d) of the Rules, which provides that any emissions appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation. Measurements taken by agents from the Tampa Field Office during the
• http://transition.fcc.gov/eb/Orders/2001/da01926.doc http://transition.fcc.gov/eb/Orders/2001/da01926.html
  • new transmitter, and to designate the station's chief operator in writing and post a copy of the designation with the station license. In its fourth petition for reconsideration, Joy again challenges the statement in the Forfeiture Order that the November 17, 1998, inspection of WJTF-FM by the FCC's Tampa, Florida Field Office (``Tampa Field Office'') revealed a violation of Section 73.317(d) of the Rules, which provides that any emissions appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation. Measurements taken by agents from the Tampa Field Office during the
• http://transition.fcc.gov/eb/Orders/2008/DA-08-1209A1.html
  • was aware of the broken fence before the [field office's] inspection or that it failed to monitor the condition of the antenna site." Vernon Broadcasting, Inc. at para 3. In High Country Communications, Inc. 2 FCC Rcd 7427 (1987), the Commission distinguished its decision in Vernon Broadcasting finding that High Country Communications, licensee of KVLE(FM), Gunnison, Colorado, willfully violated Section 73.317(a)(8) of the Rules, by causing spurious emissions, because, among other reasons, "[w]hile the fence in Vernon was, by its very nature and location, subject to influences outside the immediate knowledge and control of the licensee, KLVE(FM)'s transmitter was, at all relevant times, under the exclusive domain of High Country [and any] spurious emissions produced by the KLVE(FM) transmitter [were] attributable
• http://transition.fcc.gov/eb/Orders/da00526.doc http://transition.fcc.gov/eb/Orders/da00526.html http://transition.fcc.gov/eb/Orders/da00526.txt
  • including the violations of Sections 73.1350(c)(2), 73.1590(a)(1), and 73.1870(b)(3) of the Rules noted above. On December 4, 1998, the Tampa Field Office issued a Notice of Violation (``NOV'') to Joy for these violations, as well as violations of Section 11.15 of the Rules (requiring that the EAS operating handbook be kept at normal duty positions or EAS equipment locations), and 73.317(d) of the Rules (requiring that any emissions appearing on a frequency removed from the carrier by more than 600 kHz be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation). 3. Joy's December 21, 1998 response to the NOV denied that Joy had
• http://transition.fcc.gov/eb/Public_Notices/da001850.doc http://transition.fcc.gov/eb/Public_Notices/da001850.html
  • Inc. WGIN, Portsmouth, NH. Boston, MA District Office (7/20/00). Fisher Broadcasting, Inc., KEPR-TV, Kennewick, WA. Seattle, WA District Office (7/24/00). 47 C.F.R. Part 22 - Public Mobile Radio Services 47 C.F.R. � 22.359 - Emission Masks MobileMedia Licensee Co. L.L.C., Prince Frederick, MD, KNKM880. Columbia, MD District Office (7/06/00). 47 C.F.R. Part 73 - Broadcast Radio Services 47 C.F.R. � 73.317 - FM Transmission System Requirements Plateau Broadcasting, Inc., Oak Hill, WV, WAXS. Columbia, MD District Office (7/27/00). Summit Media Broadcasting, L.L.C., Sutton, WV, WCKA. Columbia, MD District Office (7/27/00). 47 C.F.R. � 73.1560 - Operating Power and Mode Tolerances M&M Broadcasters, Ltd., Glen Rose, TX. Dallas, TX District Office (07/25/2000). 47 C.F.R. � 73.1620 (Program Tests) Visionary Related Entertainment, Inc.,
• http://transition.fcc.gov/eb/Public_Notices/da002635.doc http://transition.fcc.gov/eb/Public_Notices/da002635.html
  • 47 C.F.R. �11.52 (EAS Code and Attention Signal Monitoring Requirements). Detroit, MI District Office (10/12/00). Riverside Broadcasting, Inc., Riverside, CA. Other violation: 47 C.F.R. � 11.52 (EAS Code and Attention Signal Monitoring Requirements). Detroit, MI District Office (10/12/00). Vogel Roach Corporation, Delphos, OH. Detroit, MI District Office (10/12/00). University of Puerto Rico, San Juan, PR. Other violation: 47 C.F.R. � 73.317 (FM Transmission System Requirements). San Juan, PR Resident Agent Office 47 C.F.R. � 11.35 - Equipment Operations Readiness Cox Communications, Omaha, NE. Kansas City, MO District Office (10/02/00). Brown Radio Group, Inc (WBBA-FM), Pittsfield, IL. Other violations: 47 C.F.R. �� 11.52 (EAS Code and Attention Signal Monitoring Requirements), 11.61 (Tests of EAS Procedures), 73.267 (Determining Operating Power), 73.1230 (Posting of
• http://transition.fcc.gov/eb/Public_Notices/da011314.doc http://transition.fcc.gov/eb/Public_Notices/da011314.html
  • Falls, NY. Buffalo, NY Resident Agent Office (4/5/01). Charter Communications, St. Louis, MO. Chicago, IL District Office (4/24/01). 47 C.F.R. Part 21 - Domestic Public Fixed Radio Services 47 C.F.R. � 21.106 - Emission Limitations Ameritech Minneapolis Paging Company, Dallas, TX. , Saint Paul, MN Resident Agent Office (4/2/01). 47 C.F.R. Part 73 - Radio Broadcast Services 47 C.F.R. � 73.317 - FM Transmission System Requirements University of Puerto Rico (WRTU-FM)., San Juan, PR. San Juan, PR Resident Agent Office (4/24/01). 47 C.F.R. � 73.1230 - Broadcasting Emergency Information WNUS, Inc., WLTP, Parkersburg, WV. Columbia, MD District Office (4/27/01). 47 C.F.R. � 73.1590 - Equipment Performance Measurements Burbach of DE, LLC, WKYG, Parkersburg, WV. Columbia, MD District Office (4/27/01). 47 C.F.R.
• http://transition.fcc.gov/eb/Public_Notices/da01711.doc http://transition.fcc.gov/eb/Public_Notices/da01711.html
  • CO District Office (2/6/01). 47 C.F.R. Part 73 - Broadcast Radio Services 47 C.F.R. � 73.49 - AM Transmission System Fencing Requirements Beltway Communications Corp., Gaithersburg, MD, WMET. Other violations: 47 C.F.R. �� 73.54 (Antenna Resistance and Reactance Measurements), 73.1590 (Equipment Performance Measurements), and 73.3526 (Local Public Inspection File for Commercial Stations). Columbia, MD District Office (2/21/01). 47 C.F.R. � 73.317 - Spurious Emissions Hawaii Public Radio, KIPO-FM, Honolulu, HI. Honolulu, HI Resident Agent Office (2/7/01). 47 C.F.R. � 73.1201 - Station Identification The Board of Education, Novi Community School District, Novi, MI. Other violation: 47 C.F.R. � 73.3527 (Local Public Inspection File for Noncommercial Educational Stations). Detroit, MI District Office (2/2/01). 47 C.F.R. � 73.1213 - Antenna Structure Marking and
• http://transition.fcc.gov/eb/bc-chklsts/EB18LPFM06_2008.pdf
  • up to and including 600 kHz must be attenuated at least 35 dB below the unmodulated carrier. Any emission appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least [43 + 10log10 (Power in watts) dB] below the level of unmodulated carrier, or 80 dB, which ever is the lesser attenuation. [See 73.317 and 73.508] 42. EMISSIONS: Is this station maintaining emissions within the limits specified in 73.317? G. CERTIFIED TRANSMITTERS: Only transmitters that have been granted FCC certification shall be used at LPFM stations. Certified transmitters will have a permanently attached label bearing an FCC identifier. [See 2.907, 2.925 and 73.1660(a)(2)] 43. CERTIFICATION: Is the transmitter at this station certified by the
• http://transition.fcc.gov/fcc-bin/audio/DA-10-208A1.doc http://transition.fcc.gov/fcc-bin/audio/DA-10-208A1.pdf
  • the FM IBOC extended hybrid digital mode. See id. See Petition for Rulemaking, USA Digital Radio Partners, L.P., RM-9395, filed Oct. 7, 1998, (``USA Digital Petition'') at 41. The NRSC is an industry group jointly sponsored by the National Association of Broadcasters and the Consumer Electronics Association. See First Report and Order, 17 FCC Rcd at 20004. 47 C.F.R. � 73.317. The stations receiving experimental authorizations for increased FM Digital ERP operation in 2007 were: WBEN-FM, Fac. ID No. 22308, Philadelphia, PA; WMGK(FM), Fac. ID No. 25094, Philadelphia, PA; WCSX(FM), Fac. ID No. 25084, Birmingham, MI; WJRZ-FM, Fac. ID No. 31078, Manahawkin, NJ; WKCI-FM, Fac. ID No. 11930, Hamden, CT; KOST(FM), Fac. ID No. 34424, Los Angeles, CA; KROQ-FM, Fac. ID
• http://transition.fcc.gov/fcc-bin/audio/amfmrule.html
  • 73.295 FM subsidiary communications services. [ [212]Subcarriers / SCA ] [213]TEXT [214]PDF 73.297 FM stereophonic sound broadcasting. [215]TEXT [216]PDF 73.310 FM technical definitions. [217]TEXT [218]PDF 73.311 Field strength contours. [219]TEXT [220]PDF 73.312 Topographic data. [221]TEXT [222]PDF 73.313 Prediction of coverage. [223]TEXT [224]PDF 73.314 Field strength measurements. [225]TEXT [226]PDF 73.315 FM transmitter location. [227]TEXT [228]PDF 73.316 FM antenna systems. [229]TEXT [230]PDF 73.317 FM transmission system requirements. [231]TEXT [232]PDF 73.318 FM blanketing interference. [233]TEXT [234]PDF 73.319 FM multiplex subcarrier technical standards. [235]TEXT [236]PDF 73.322 FM stereophonic sound transmission standards. [237]TEXT [238]PDF 73.333 Engineering charts. [ [239]Propagation Curves ] Subpart C -- Noncommercial Educational FM Broadcast Stations [240]TEXT [241]PDF 73.501 Channels available for assignment. [242]TEXT [243]PDF 73.503 Licensing requirements and service. [244]TEXT [245]PDF 73.504
• http://www.fcc.gov/Bureaus/Enforcement/Orders/2000/da000526.doc
  • including the violations of Sections 73.1350(c)(2), 73.1590(a)(1), and 73.1870(b)(3) of the Rules noted above. On December 4, 1998, the Tampa Field Office issued a Notice of Violation (``NOV'') to Joy for these violations, as well as violations of Section 11.15 of the Rules (requiring that the EAS operating handbook be kept at normal duty positions or EAS equipment locations), and 73.317(d) of the Rules (requiring that any emissions appearing on a frequency removed from the carrier by more than 600 kHz be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation). 3. Joy's December 21, 1998 response to the NOV denied that Joy had
• http://www.fcc.gov/Bureaus/Enforcement/Public_Notices/2000/da001850.doc
  • Inc. WGIN, Portsmouth, NH. Boston, MA District Office (7/20/00). Fisher Broadcasting, Inc., KEPR-TV, Kennewick, WA. Seattle, WA District Office (7/24/00). 47 C.F.R. Part 22 - Public Mobile Radio Services 47 C.F.R. � 22.359 - Emission Masks MobileMedia Licensee Co. L.L.C., Prince Frederick, MD, KNKM880. Columbia, MD District Office (7/06/00). 47 C.F.R. Part 73 - Broadcast Radio Services 47 C.F.R. � 73.317 - FM Transmission System Requirements Plateau Broadcasting, Inc., Oak Hill, WV, WAXS. Columbia, MD District Office (7/27/00). Summit Media Broadcasting, L.L.C., Sutton, WV, WCKA. Columbia, MD District Office (7/27/00). 47 C.F.R. � 73.1560 - Operating Power and Mode Tolerances M&M Broadcasters, Ltd., Glen Rose, TX. Dallas, TX District Office (07/25/2000). 47 C.F.R. � 73.1620 (Program Tests) Visionary Related Entertainment, Inc.,
• http://www.fcc.gov/Bureaus/Mass_Media/Notices/1999/fcc99327.doc http://www.fcc.gov/Bureaus/Mass_Media/Notices/1999/fcc99327.pdf http://www.fcc.gov/Bureaus/Mass_Media/Notices/1999/fcc99327.txt
  • Rcd at 2315. Id.; see Docket No. 90-357 MO&O, 12 FCC Rcd at 5769. Docket No. 90-357 NPRM, 7 FCC Rcd at 7793 (Separate Statement of Commissioner Ervin S. Duggan). Docket No. 90-357 MO&O, 12 FCC Rcd at 5767. Id. at 5768-69. See id. at 5760; Docket No. 90-357 R&O, 10 FCC Rcd at 2314. See 47 C.F.R. �� 73.44, 73.317. The IBOC FM 70-kHz digital sidebands would be positioned in the upper and lower 1st adjacent channels between +/-129 kHz and +/-199 kHz from the carrier frequency. See Petition at 47-48. The IBOC AM 5-kHz digital sidebands would be positioned between +/-5 kHz and +/-10 kHz from the carrier frequency. Id. at 70-71. Id. at 51. We do not have
• http://www.fcc.gov/Bureaus/Mass_Media/Orders/2000/fc00019a.doc
  • this part, and also to those other provisions of the FM Technical Standards which are specifically made applicable to them by the provisions of this subpart. (b) The transmitter and associated transmitting equipment of each noncommercial educational FM station and LPFM station licensed for transmitter power output above 10 watts must be designed, constructed and operated in accordance with � 73.317. (c) The transmitter and associated transmitting equipment of each noncommercial educational FM station licensed for transmitter power output of 10 watts or less, although not required to meet all requirements of � 73.317, must be constructed with the safety provisions of the current national electrical code as approved by the American National Standards Institute. These stations must be operated, tuned,
• http://www.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00019.doc http://www.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00019.pdf http://www.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00019.txt
  • commercial and noncommercial educational FM stations. In most cases, these standards will be met through the use of type certified equipment without need for further adjustment by the LPFM licensee. LPFM stations will be required to adhere to the 200 kHz channel bandwidth applicable to full service stations, as well as the out-of-channel signal attenuation requirements in 47 CFR � 73.317, the center frequency drift limits in 47 CFR � 73.1545(b), and the limits on modulation in 47 CFR � 73.1570(a) and (b). In addition, LPFM stations may, at their option, engage in monophonic or stereophonic broadcasting. LPFM stations may also transmit additional information via inaudible subcarriers during those periods when the audible FM signal is on the air. Antenna polarization:
• http://www.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00115.doc http://www.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00115.pdf http://www.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00115.txt
  • authorized antenna(s) as an emergency antenna. * * * * * 33. Section 73.1690 is amended to read as follows: � 73.1690 Modification of transmission systems. * * * * * (a) * * * (2) Those that would cause the transmission system to exceed the equipment performance measurements prescribed for the class of service, (AM, � 73.44; FM, �� 73.317, 73.319, and 73.322; TV and Class A TV, �� 73.682 and 73.687). (b) * * * (2) Any change in station geographic coordinates, including coordinate corrections. FM, TV and Class A TV directional stations must also file a construction permit application for any move of the antenna to another tower structure located at the same coordinates. Any change which would
• http://www.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00349.doc http://www.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00349.pdf http://www.fcc.gov/Bureaus/Mass_Media/Orders/2000/fcc00349.txt
  • station's 60 dBu contour. See � 52. ``In most cases, these standards will be met through the use of certified equipment without need for further adjustment by the LPFM licensee. LPFM stations will be required to adhere to the 200 kHz channel bandwidth applicable to full service stations, as well as the out-of-channel signal attenuation requirements in 47 C.F.R. � 73.317 [via reference in � 73.508], the center frequency drift limits in 47 C.F.R. 73.1545(b), and the limits on modulation in 47 C.F.R. � 73.1570 (a) and (b).'' Report and Order, 15 FCC Rcd at 2248, �109. In this regard, we note that one of the rules modified in the Report and Order, 47 C.F.R. � 73.1660, inadvertently specified verification rather
• http://www.fcc.gov/Daily_Releases/Daily_Digest/1999/dd990708.html
  • July 26. Dkt No.: CC- 98-141. Action by Deputy Bureau Chief. Adopted: July 7, 1999. by Order. (DA No. 99-1342). CCB Internet URL: [15]http://www.fcc.gov/Bureaus/Common_Carrier/Orders/1999/da991342.wp JOY PUBLIC BROADCASTING CORP. - PANAMA CITY, FL. Affirmed the monetary forfeiture for $3,000 issued against Joy Public Broadcasting Corporation, permittee of FM Station SJTV, Panama City, Florida, for violating several Rules including violations of Section 73.317(d) of the Rules. Action by Director, Legal Services Group. Adopted: June 30, 1999. by Forf. Ord. (DA No. 99-1330). CIB Internet URL: [16]http://www.fcc.gov/Bureaus/Compliance/Orders/1999/da991330.wp CALLING PARTY PAYS SERVICE OFFERING IN THE COMMERCIAL MOBILE RADIO SERVICES. Adopted a Declaratory Ruling and Notice of Proposed Rulemaking (NPRM) to help facilitate the offering of Calling Party Pays (CPP) as an optional wireless service to
• http://www.fcc.gov/eb/FieldNotices/2003/DOC-262764A1.html
  • is a Notice of Violation ("Notice") issued pursuant to Section 1.89 of the Commission's Rules,1 to Oregon Eagle, Inc., licensee of radio station KTIL-FM. 2. On November 18, 2005, in response to a complaint, an agent from the Enforcement Bureau's Portland Resident Agent Office inspected radio station KTIL-FM located in Tillamook, Oregon, and observed the following violation(s): 2.a. 47 C.F.R. 73.317(d): Any emission appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 80 dB. At the time of the inspection, the agent determined KTIL-FM failed to properly attenuate its spurious emissions which were causing harmful interference to the complainant's fundamental frequency. 3. Pursuant to Section 308(b) of the Communications Act of 1934,
• http://www.fcc.gov/eb/FieldNotices/2003/DOC-267718A1.html
  • This is a Notice of Violation ("Notice") issued pursuant to Section 1.89 of the Commission's Rules, to Great Country Broadcasting Inc. licensee of radio station KIBS-FM in Bishop, CA. 2. On August 19, 2006, an agent of the Enforcement Bureau's Los Angeles Office monitored radio station KIBS-FM located at Bishop, CA, and observed the following violation(s): a. 47 C.F.R. S 73.317(c): "Any emission appearing on a frequency removed from the carrier by more that 240 KHz and up to and including 600 KHz must be attenuated at least 35 dB below the level of the unmodulated carrier." While monitoring the emissions of KIBS-FM, Los Angeles agents noted two spurious emissions, one at 100.209 KHz which was attenuated only -26dB relative to
• http://www.fcc.gov/eb/FieldNotices/2003/DOC-268230A1.html
  • This is a Notice of Violation ("Notice") issued pursuant to Section 1.89 of the Commission's Rules to Cumulus Licensing, LLC., licensee of radio station WAOA-FM. 2. On May 18, 2006, agents of the Commission's Tampa Office of the Enforcement Bureau performed measurements of radio station WAOA-FM's transmitter located in Melbourne, Florida and observed the following violations: a. 47 C.F.R. S 73.317(d): "Any emission appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation." A spurious emission ("Spur") at 107.9 MHz was noted and the station was advised that the level of
• http://www.fcc.gov/eb/FieldNotices/2003/DOC-283657A1.html
  • Notice of Violation ("Notice") issued pursuant to Section 1.89 of the Commission's Rules to Gap Broadcasting Lubbock License, LLC, licensee of radio station KQBR in Lubbock, Texas. 2. On May 15, 2008, an agent of the Commission's Dallas Office of the Enforcement Bureau inspected radio station KQBR located in Lubbock, Texas, and observed the following violation(s): a. 47 C.F.R. S: 73.317(a): "FM broadcast stations employing transmitters authorized after January 1, 1960, must maintain the bandwidth occupied by their emissions in accordance with the specification detailed below. FM broadcast stations employing transmitters installed or type accepted before January 1, 1960, must achieve the highest degree of compliance with these specifications practicable with their existing equipment. In either case, should harmful interference to
• http://www.fcc.gov/eb/FieldNotices/2003/DOC-283658A1.html
  • a Notice of Violation ("Notice") issued pursuant to Section 1.89 of the Commission's Rules to Double O Texas Corporation, licensee of radio station KKCN in Ballinger, Texas. 2. On May 13, 2008, an agent of the Commission's Dallas Office of the Enforcement Bureau inspected radio station KKCN located in Rowena, Texas, and observed the following violation(s): a. 47 C.F.R. S: 73.317(a): "FM broadcast stations employing transmitters authorized after January 1, 1960, must maintain the bandwidth occupied by their emissions in accordance with the specification detailed below. FM broadcast stations employing transmitters installed or type accepted before January 1, 1960, must achieve the highest degree of compliance with these specifications practicable with their existing equipment. In either case, should harmful interference to
• http://www.fcc.gov/eb/FieldNotices/2003/DOC-295355A1.html
  • Administration about interrference to navigation aids at the Raleigh-Durham International Airport. Station WKVK is authorized to transmit on 106.7 MHz to the community of Semora, North Carolina from antenna structure number 1033162, located at latitude 36 25 08.0 north and longitude 079 11 48.0 west. During inspection of the station facilities, the agent observed the following violation: 47 C.F.R. S: 73.317(b): "Any emission appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10 Log10(Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation..." On several frequencies removed from the carrier frequency by 600kHz or more, emissions were suppressed by less than
• http://www.fcc.gov/eb/FieldNotices/2003/DOC-297581A1.html
  • is a Notice of Violation ("Notice") issued pursuant to Section 1.89 of the Commission's Rules to Wilks License Company - Lubbock LLC (Wilks), licensee of radio station KLLL in Lubbock, Texas. 2. On February 25, 2010, an agent of the Commission's Dallas Office inspected/monitored radio station KLLL, located at Lubbock, Texas, and observed the following violation(s): a. 47 C.F.R. S: 73.317(d): "Any emission appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation." At the time of inspection, the spectrum sample from radio station KLLL had spurious emissions on 95.0,
• http://www.fcc.gov/eb/FieldNotices/2003/DOC-297582A1.html
  • pursuant to Section 1.89 of the Commission's Rules ("Rules") to Wilks License Company - Lubbock LLC (Wilks), licensee of radio stations KONE and KMMX in Lubbock and Tahoka, Texas. 2. On February 24, 2010, an agent of the Commission's Dallas Office inspected/monitored radio stations KONE and KMMX, located near Lubbock, Texas, and observed the following violation(s): a. 47 C.F.R. S: 73.317(c): "Any emission appearing on a frequency removed from the carrier by more than 240 kHz and up to and including 600 kHz must be attenuated at least 35 dB below the level of the unmodulated carrier." At the time of the inspection, the spectrum sample from radio station KONE, 101.1 MHz, had spurious emissions from 100.5 MHz to 100.7 MHZ
• http://www.fcc.gov/eb/FieldNotices/2003/DOC-311705A1.html
  • Section 1.89 of the Commission's Rules, to Wilks License Company-Reno, LLC ("Wilks"), licensee of radio station KWFP, Sparks, Nevada, operating on 92.1 MHz, and KURK, Reno, Nevada, operating on 92.9 MHz. 2. On November 29, 2011, agents of the Commission's San Francisco Office investigated radio stations KWFP and KURK transmitting from Reno, Nevada, and observed the following violation: 47 C.F.R. S:73.317(a): "FM broadcast stations employing transmitters authorized after January 1, 1960, must maintain the bandwidth occupied by their emissions in accordance with the specification detailed below. FM broadcast stations employing transmitters installed or type accepted before January 1, 1960, must achieve the highest degree of compliance with these specifications practicable with their existing equipment. In either case, should harmful interference to
• http://www.fcc.gov/eb/FieldNotices/2003/DOC-312032A1.html
  • South Central Region, Enforcement Bureau: 1. This is a Notice of Violation (Notice) issued pursuant to Section 1.89 of the Commission's rules to Double O Texas Corporation, licensee of Station KKCN in San Angelo, Texas. 2. On July 5, 2011, an agent of the Enforcement Bureau's Dallas Office monitored Station KKCN and observed the following violation(s): a. 47 C.F.R. S: 73.317(d):"Any emission appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation." At the time of inspection, the spurious emissions from Station KKCN on the frequency 103.1 MHz, attenuated -50
• http://www.fcc.gov/eb/FieldNotices/2003/DOC-312905A1.html
  • the District Director, Boston Office, Northeast Region, Enforcement Bureau: 1. This is a Notice of Violation ("Notice") issued pursuant to Section 1.89 of the Commission's rules to Cumulus Licensing LLC, licensee of FM Station WEBE in Bridgeport, CT. 2. On February 22, 2012, an agent of the Commission's Boston Office monitored Station WEBE and observed the following violation: 47 C.F.R. S:73.317(d): "Any emission appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation." The spurious emissions from Station WEBE on the frequencies 106.7 MHz, and 109.1 MHz were observed to
• http://www.fcc.gov/eb/Orders/2001/da01184.doc http://www.fcc.gov/eb/Orders/2001/da01184.html
  • license. In the instant petition for reconsideration, Joy does not raise challenges to the rule violations which gave rise to the $3,000 forfeiture issued in the Forfeiture Order. Rather, Joy challenges the statement in the Forfeiture Order that the November 17, 1998, inspection of WJTF-FM by the FCC's Tampa, Florida Field Office (``Tampa Field Office'') revealed a violation of Section 73.317(d) of the Rules, which provides that any emissions appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation. Measurements taken by agents from the Tampa Field Office during the
• http://www.fcc.gov/eb/Orders/2001/da01926.doc http://www.fcc.gov/eb/Orders/2001/da01926.html
  • new transmitter, and to designate the station's chief operator in writing and post a copy of the designation with the station license. In its fourth petition for reconsideration, Joy again challenges the statement in the Forfeiture Order that the November 17, 1998, inspection of WJTF-FM by the FCC's Tampa, Florida Field Office (``Tampa Field Office'') revealed a violation of Section 73.317(d) of the Rules, which provides that any emissions appearing on a frequency removed from the carrier by more than 600 kHz must be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation. Measurements taken by agents from the Tampa Field Office during the
• http://www.fcc.gov/eb/Orders/2008/DA-08-1209A1.html
  • was aware of the broken fence before the [field office's] inspection or that it failed to monitor the condition of the antenna site." Vernon Broadcasting, Inc. at para 3. In High Country Communications, Inc. 2 FCC Rcd 7427 (1987), the Commission distinguished its decision in Vernon Broadcasting finding that High Country Communications, licensee of KVLE(FM), Gunnison, Colorado, willfully violated Section 73.317(a)(8) of the Rules, by causing spurious emissions, because, among other reasons, "[w]hile the fence in Vernon was, by its very nature and location, subject to influences outside the immediate knowledge and control of the licensee, KLVE(FM)'s transmitter was, at all relevant times, under the exclusive domain of High Country [and any] spurious emissions produced by the KLVE(FM) transmitter [were] attributable
• http://www.fcc.gov/eb/Orders/da00526.doc http://www.fcc.gov/eb/Orders/da00526.html http://www.fcc.gov/eb/Orders/da00526.txt
  • including the violations of Sections 73.1350(c)(2), 73.1590(a)(1), and 73.1870(b)(3) of the Rules noted above. On December 4, 1998, the Tampa Field Office issued a Notice of Violation (``NOV'') to Joy for these violations, as well as violations of Section 11.15 of the Rules (requiring that the EAS operating handbook be kept at normal duty positions or EAS equipment locations), and 73.317(d) of the Rules (requiring that any emissions appearing on a frequency removed from the carrier by more than 600 kHz be attenuated at least 43 + 10 Log10 (Power, in watts) dB below the level of the unmodulated carrier, or 80 dB, whichever is the lesser attenuation). 3. Joy's December 21, 1998 response to the NOV denied that Joy had
• http://www.fcc.gov/eb/Public_Notices/da001850.doc http://www.fcc.gov/eb/Public_Notices/da001850.html
  • Inc. WGIN, Portsmouth, NH. Boston, MA District Office (7/20/00). Fisher Broadcasting, Inc., KEPR-TV, Kennewick, WA. Seattle, WA District Office (7/24/00). 47 C.F.R. Part 22 - Public Mobile Radio Services 47 C.F.R. � 22.359 - Emission Masks MobileMedia Licensee Co. L.L.C., Prince Frederick, MD, KNKM880. Columbia, MD District Office (7/06/00). 47 C.F.R. Part 73 - Broadcast Radio Services 47 C.F.R. � 73.317 - FM Transmission System Requirements Plateau Broadcasting, Inc., Oak Hill, WV, WAXS. Columbia, MD District Office (7/27/00). Summit Media Broadcasting, L.L.C., Sutton, WV, WCKA. Columbia, MD District Office (7/27/00). 47 C.F.R. � 73.1560 - Operating Power and Mode Tolerances M&M Broadcasters, Ltd., Glen Rose, TX. Dallas, TX District Office (07/25/2000). 47 C.F.R. � 73.1620 (Program Tests) Visionary Related Entertainment, Inc.,
• http://www.fcc.gov/eb/Public_Notices/da002635.doc http://www.fcc.gov/eb/Public_Notices/da002635.html
  • 47 C.F.R. �11.52 (EAS Code and Attention Signal Monitoring Requirements). Detroit, MI District Office (10/12/00). Riverside Broadcasting, Inc., Riverside, CA. Other violation: 47 C.F.R. � 11.52 (EAS Code and Attention Signal Monitoring Requirements). Detroit, MI District Office (10/12/00). Vogel Roach Corporation, Delphos, OH. Detroit, MI District Office (10/12/00). University of Puerto Rico, San Juan, PR. Other violation: 47 C.F.R. � 73.317 (FM Transmission System Requirements). San Juan, PR Resident Agent Office 47 C.F.R. � 11.35 - Equipment Operations Readiness Cox Communications, Omaha, NE. Kansas City, MO District Office (10/02/00). Brown Radio Group, Inc (WBBA-FM), Pittsfield, IL. Other violations: 47 C.F.R. �� 11.52 (EAS Code and Attention Signal Monitoring Requirements), 11.61 (Tests of EAS Procedures), 73.267 (Determining Operating Power), 73.1230 (Posting of
• http://www.fcc.gov/eb/Public_Notices/da011314.doc http://www.fcc.gov/eb/Public_Notices/da011314.html
  • Falls, NY. Buffalo, NY Resident Agent Office (4/5/01). Charter Communications, St. Louis, MO. Chicago, IL District Office (4/24/01). 47 C.F.R. Part 21 - Domestic Public Fixed Radio Services 47 C.F.R. � 21.106 - Emission Limitations Ameritech Minneapolis Paging Company, Dallas, TX. , Saint Paul, MN Resident Agent Office (4/2/01). 47 C.F.R. Part 73 - Radio Broadcast Services 47 C.F.R. � 73.317 - FM Transmission System Requirements University of Puerto Rico (WRTU-FM)., San Juan, PR. San Juan, PR Resident Agent Office (4/24/01). 47 C.F.R. � 73.1230 - Broadcasting Emergency Information WNUS, Inc., WLTP, Parkersburg, WV. Columbia, MD District Office (4/27/01). 47 C.F.R. � 73.1590 - Equipment Performance Measurements Burbach of DE, LLC, WKYG, Parkersburg, WV. Columbia, MD District Office (4/27/01). 47 C.F.R.
• http://www.fcc.gov/fcc-bin/audio/DA-04-712A1.doc http://www.fcc.gov/fcc-bin/audio/DA-04-712A1.pdf
  • operation until such EA is ruled upon by the Commission; geographic coordinates, elevation data, and license file number for the auxiliary antenna to be employed for digital transmissions; and for systems employing interleaved antenna bays, a certification that adequate filtering and/or isolation equipment has been installed to prevent spurious emissions in excess of the limits specified in 47 C.F.R. Section 73.317. For additional information, contact Edward De La Hunt, Charles N. Miller or Ann Gallagher at the Audio Division, Media Bureau at (202) 418-2700. By: Chief, Media Bureau -FCC- The term ``hybrid'' refers to a system which transmits both the digital and analog signals within the spectral emission mask of a single AM or FM channel. See Digital Audio Broadcasting Systems
• http://www.fcc.gov/fcc-bin/audio/DA-06-1550A1.doc http://www.fcc.gov/fcc-bin/audio/DA-06-1550A1.pdf
  • 3. BCI notes that in the public interest and in reliance upon the automatic forfeiture of the WRKH(FM) construction permit, BCI has filed a new application for construction permit to specify improved facilities for its WBBN(FM); see also File No. BPH-20050613ADQ. 47 C.F.R. � 73.13536(a). See Opposition Attachment A, Declaration of Randall L. Mullinax. Id. See also 47 C.F.R. � 73.317(b)-(d). See 47 C.F.R. � 73.1620(a)(1). See Opposition at 5. CCBL cites the following examples: Station WJUN(AM), Mexico, Pennsylvania (Construction Permit No. BP-19990727AC expired January 23, 2005; License Application File No. BL-20050125ALN filed on January 25, 2005, granted on May 18, 2005); KVLH(AM), Pauls Valley, Oklahoma (Construction Permit No. BP-20010202AD expired February 13, 2005; License Application File No. BL-20050228ADS filed on
• http://www.fcc.gov/fcc-bin/audio/DA-07-1206A1.doc http://www.fcc.gov/fcc-bin/audio/DA-07-1206A1.pdf
  • ``Phillip Gantore,'' with the address listed only as ``Breezy Point.'' In its Supplement to Opposition, MCBI details several attempts to locate the complainant, but to no avail. Supplement to Opposition at 3-4. Memorandum Opinion and Order, 6 FCC Rcd 225 (1991). Id. at 225 n.3, 226. Id. at 227-28. See Exhibit 2 to DJ Petition. See also 47 C.F.R. � 73.317(d). See Exhibits A and B to Opposition. 47 C.F.R. �� 73.318(b), (d). Id. � 73.5003. Federal Communications Commission Washington, D.C. 20554 � �B��k�(/YM��`鉉��PNG �0���eX...�W0f�"˸ -ʝ �D... p-C� C\ i8 �] ~'��\��� g�bF�JU �}p�� Ӵ�:|Y�.̕� ���`]fe�ʦ�S ��8���o��(R)� �� -�o} �^ rt2 ; X�0~B�e6%����70o�B(R)x�oG�� �k��"a �n�"W -1��$�7'����2 o �  ��2� ����" ��� +� bK`�˯� � �����v'�B-�7sp?$ � ����)} �� �s���-�U�(� ��
• http://www.fcc.gov/fcc-bin/audio/DA-07-568A1.doc http://www.fcc.gov/fcc-bin/audio/DA-07-568A1.pdf
  • WBTG-FM transmitter site on March 7, 2005, using standard engineering practices and guidelines as set forth in the Commission's Rules. Kidd's inspection demonstrated compliance with the spurious emissions or overmodulation restrictions set forth in Section 73.1570(b)(2) of the Rules. Additionally, Kidd states that analysis of the spectrum plots revealed that Station WBTG-FM's occupied bandwidth easily satisfied the specifications of Section 73.317 of the Rules. Kidd concludes that WBTG-FM's transmitting equipment is working well within the specifications set forth in the Commission's rules concerning FM broadcast station practices. Staff analysis affirms the reliability of Kidd's report. Finally, we note that Bonner's residence is 93 kilometers from the WTAK-FM transmitter site and more than 50 kilometers beyond WTAK-FM's predicted service (60 dB�) contour.
• http://www.fcc.gov/fcc-bin/audio/DA-10-208A1.doc http://www.fcc.gov/fcc-bin/audio/DA-10-208A1.pdf
  • the FM IBOC extended hybrid digital mode. See id. See Petition for Rulemaking, USA Digital Radio Partners, L.P., RM-9395, filed Oct. 7, 1998, (``USA Digital Petition'') at 41. The NRSC is an industry group jointly sponsored by the National Association of Broadcasters and the Consumer Electronics Association. See First Report and Order, 17 FCC Rcd at 20004. 47 C.F.R. � 73.317. The stations receiving experimental authorizations for increased FM Digital ERP operation in 2007 were: WBEN-FM, Fac. ID No. 22308, Philadelphia, PA; WMGK(FM), Fac. ID No. 25094, Philadelphia, PA; WCSX(FM), Fac. ID No. 25084, Birmingham, MI; WJRZ-FM, Fac. ID No. 31078, Manahawkin, NJ; WKCI-FM, Fac. ID No. 11930, Hamden, CT; KOST(FM), Fac. ID No. 34424, Los Angeles, CA; KROQ-FM, Fac. ID
• http://www.fcc.gov/fcc-bin/audio/DOC-232619A1.doc http://www.fcc.gov/fcc-bin/audio/DOC-232619A1.pdf
  • question of fact as to interference from KFEG to KBUG. The engineering showing supporting Soho's allegation of interference consists of a conclusory statement in a letter from Smith that ``KFEG . . . is producing interference on 100.5 MHz. The signal that KFEG produces on 100.5 MHz is only attenuated by 41 dB, which is in vioilation (sic) of section 73.317(d) of the FCC reulations. (sic).'' There is no showing as to the engineer's qualifications or his methodology in measuring the alleged spurious signal on 100.5 MHz. Without a more detailed engineering showing, we cannot find a substantial and material question of fact warranting further inquiry. See North Idaho Broadcasting Company, supra. Complaints were also received by the FAA office in
• http://www.fcc.gov/fcc-bin/audio/FCC-04-99A4.doc http://www.fcc.gov/fcc-bin/audio/FCC-04-99A4.pdf
  • lower edges of the channel, and the frequency modulated signal in each channel swings in frequency from the center frequency toward the channel edges, and has its radiated power envelope shaped such that virtually all of the energy of the signal is contained within the channel. See 47 C.F.R. � 73.310. See 47 C.F.R. � 73.211. See 47 C.F.R. � 73.317. Section 73.525 applies to all applications for construction permits for new or modified facilities for an NCE-FM station on Channels 200-220 unless the application is accompanied by a written agreement between the NCE-FM applicant and each affected TV Channel 6 broadcast station concurring with the proposed NCE-FM facilities. See 47 C.F.R. � 73.525. FCC Public Notice, Comment Sought on Use
• http://www.fcc.gov/ftp/Bureaus/Mass_Media/Databases/documents_collection/93-300.pdf
  • text/plain Content-Transfer-Encoding: 8bit 8FCCRcd.No.13 IntheMatterof Beforethe FederalCommunicationsCommission Washington,D.C.20554 GREATERBOSTON FileNo.BLH-860218KB RADIO,INC. LicenseeofStationWMJX(FM) Boston,Massachusetts MEMORANDUMOPINIONANDORDER Adopted:June4,1993; Released:June15,1993 BytheCommission: 1.TheCommissionhasbeforeitforconsideration:(a)an "ApplicationforReview"filedNovember16,1987,by FairbanksCommunications,Inc.("Fairbanks");and(b)an "OppositiontoApplicationforReview"filedDecember 11,1987,byGreaterBostonRadio,Inc.("GreaterBos- ton").ByletterdatedOctober14,1987,theChief,Audio ServicesDivision,MassMediaBureau("Bureau"),acting bydelegatedauthority,deniedFairbanks'February20, 1986,"RequestforRevocationofProgramTestAuthority" anditsMarch19,1987,"PetitionforRelief."Theletter alsoaffirmedthegrantofGreaterBoston'slicensetocover constructionofmodifiedfacilitiesforStationWJMX(FM), Boston.FairbanksseeksCommissionreviewoftheBu- reau'saction.Wedenytheapplicationforreviewforthe reasonssetforthbelow. BACKGROUND 2.OnFebruary7,1986,GreaterBostonnotifiedthe Commissionofitsplantocommenceprogramtestsfor StationWMJX(FM)fromitsnewlocationatopthePruden- tialTowerbuildingindowntownBoston.OnFebruary18, 1986,GreaterBostonfiledalicenseapplicationtocover constructionofitsmodifiedfacilities(FileNo.BLH- 860218KB).OnFebruary20,1986,Fairbanksfileda"Re- questforRevocationofProgramTestAuthority." FairbanksallegedthatStationWMJX(FM)wascausingin- terferencetoreceptionofthesignalofitsstation, WVBF(FM),intheimmediateenvironsofthePrudential Tower.Inresponse,GreaterBostonstatedthatonFebruary 19,1986,ithadinstalledfilterswhichsuppressed 1"Blanketinginterferenceoccurswhen'anFMstation'ssignal strengthisofsuchmagnitudethatitcausesreceiversnearthe transmittingantennatobepartiallyorcompletelyblockedfrom receivingotherbroadcaststations."'FMBroadcastStationBlan- ketingInterference,57RR2d126(1984)("Blanketing').Seealso, CalvaryEducationalBroadcastingNetwork,Inc.,7FCCRcd 4037n.3(1992).Section73.318oftheCommission'sRulespro- vides,interalia,thatpermitteesorlicenseesmustsatisfyall complaintsofblanketinginterferencereceivedbythestation duringaoneyearperiod.Theabovedefinitionofblanketing andtherule'sreferencestolicenseeobligationsandtoreceiving FederalCommunicationsCommissionRecord FCC93-300 intermodulationproductstomorethan80dBbelow WMJX(FM)'scarrierincompliancewithSection73.317(d) oftheCommission'sRules.Suchactionisdesignedto eliminatespuriousemissionsfromtheWMJX(FM)trans- mitter,assumingthattherehadbeenanysuchemissions. OnMarch14,1986,theMassMediaBureau,bydelegated authority,grantedGreaterBoston'slicenseapplication.On March19,1987,morethanoneyearafterthegrantof GreaterBoston'slicenseapplication.Fairbanksfileda"Pe- titionforRelief."FairbanksreiteratedthatStation WMJX(FM)wascausinginterferencetoreceptionofSta- tionWVBF(FM),anditclaimedthattheinterferencewas duetoblanketing.' 3.InitsletterdatedOctober14,1987,theBureaudealt withFairbanks'claims.Initially,theBureaudetermined that,becauseFairbanks'allegationsofinterference,which wereoriginallyfiledpriortothegrantofthelicenseap- plication,hadnotyetbeenformallyaddressed,theywould betreatedasatimelyfiledpetitionforreconsiderationof thegrantoftheGreaterBostonlicenseapplication.Al- thoughFairbankscalledtheinterferenceaboutwhichit complained"blanketinginterference,"itwasinfact allegingaformofinterferenceknownasReceiverInduced ThirdOrderIntermodulationEffect("RITOIE");whichis differentfromblanketinginterference.2CitingSection 73.209(a)oftheCommission'sRules(Protectionfromin- terference)andBlanketing,theBureauruledthatFairbanks wasnotprotectedfromtheallegedRITOIEinterference undertheprovisionsofourblanketingrule.TheBureau foundthatStationWMJX(FM)wasoperatinginaccor- dancewiththeCommission'stechnicalrulesandthatFair- bankshadnotfurnishedlistenercomplaintsnorotherwise shownthatanyinterferencehadoccurred.TheBureaualso notedthattheCommissionhadnotdirectlyreceivedlis- tenercomplaintsofinterference.Accordingly,theBureau deniedFairbanks'objectionsandaffirmedthegrantof GreaterBoston'slicenseapplication. 4.Initsapplicationforreview.Fairbankscontendsthat theBureaumisinterpretedSection73.318oftheCommis- sion'sRules(FMblanketinginterference).Fairbankssub- mitsthatitproperlyallegedthatthesignalofStation WMJX(FM)wascausingblanketinginterferencetorecep- tionofStationWVBF(FM).Thus,accordingtoFairbanks. becausetheblanketingrulerequiresthatlicenseesmust satisfyallcomplaintsofblanketinginterferencereceived withinoneyearofthecommencementofprogramtests, theBureaushouldhaveorderedGreaterBostontomove itstransmitterabsentresolutionofFairbanks'complaint. Alternatively,Fairbankscontendsthatahearingshouldbe commencedtodeterminetheexistenceorextentofblan- ketinginterference.Fairbanksconcedes,however,thatlis- tenershadnotcomplainedaboutaninabilitytoreceive WVBF(FM).3 equipmentnotsubjecttoprotectionaremeanttomakeclear thattheruleisdesignedtoprotectlistenersofFMradioand viewersoftelevision,nototherlicenseesorpermittees. 2"RITOIEoccurswhenstrongsignalsfromtwostationsinter- actwithinareceivertogenerateasignalonathirdfrequency. Thisreceiver-generatedsignalwilldisruptreceptionofany stationoperatingonthisthirdfrequency."WKLY,Inc.,6FCC Rcd225,228n.2(1991). 3FairbanksalsoarguesthattheBureauerredby:l)basingits
• http://www.fcc.gov/ftp/Bureaus/Mass_Media/Databases/documents_collection/pn19740710.pdf
  • Content-Type: text/plain Content-Transfer-Encoding: 8bit 790 FederalCommunicationsCommissionReports BEFORETHE FEDERALCOMMUNICATIONSCOMMISSION WASHINGTON,D.C.20554 DolbyEncoders July10,1974 THECOMMISSIONISSUEDTHEFOLLOWING PUBLICNOTICE: CommissionAuthorizesUseofDolbyEncoderbyFMBroadcast Stations UnderdateofMay31,1974,theCommissionsentthefollowing lettertoDolbyLaboratories,Inc. "WehavereviewedthequestionoftheemploymentoftheDolby324B-Type BroadcastEncoderbyFMbroadcaststationslicensedbytheCommission,andwill notobjecttoitsuse. "Itisourunderstandingthat,inthecurrentmodelofthe324encodercircuits designedtoreducetheeffectivedegreeofpreemphasisto25microseconds,and thoseproducingTypeBencodingoperatesimultaneouslyatalltimes-thatitis impossible,withoutinternalchanges,toutilizethisapparatusinanoperatingmode whereonlythepreemphasisadjustingcircuitsareeffective.Ourconcurrenceinthe useofthisencoderisgivenontheexpressconditionthatallunitsfurnishedtoand installedinFMbroadcaststationsarearrangedtofunctioninthismanner. "WhenFMbroadcaststationsconducttransmitterperformancemeasurements pursuanttoSection73.254ofourrulestheDolby324B-TypeBroadcastEncoder shouldberemovedfromthecircuit,oreffectivelyby-passed." Somerecentpublicityconcerningthisactionappearstoreflecta misunderstandingofitsnatureandeffect.Accordingly,webelievea clarificationmaybehelpful. First,itshouldbeemphasizedthatwehavenotamended �73.317(a)(2)ofourrules,whichrequirestheaudioresponseofanFM broadcasttransmitterbeshapedinaccordancewitha75microsecond preemphasiscurve.Wehavenopresentintentionofdoingso.Existing receiversincorporatecomplementary75microseconddeemphasiscir- cuits.Anysubstantialreductionintheamountoftransmitterpreem- phasis,alone,wouldresultinamoreorlessserious"rolloff"inthe responseofthesereceiversathigheraudiofrequencies. Second,wearepermitting,notrequiringtheuseoftheDolby encoder.Inthisrespectourpolicyisthesameasthatwhichhasapplied heretoforewithrespecttotheuseofotherkindsofactiveaudio processingequipment,suchasthesametypeoflimitationsonDolby employedbyFMstations. TheDolbyunitwhichwehaveindicatedasacceptableforusebyFM broadcaststationsincorporatescircuitrywhich,ineffect,cancelsa 72F.C.C.2d ReregulationofRadioandTVBroadcasting 791 portionofthetransmitterpreemphasis.However,theunitisso constructedthatthiscircuitryiseffectiveonlywhenType3encoding isemployed.Theencodingprocessraisesthelevelofthehigheraudio frequenciesrelativetolowerfrequenciesbyanamountwhichvaries inverselywiththeaverageleveloftheaudiosignal,themaximum "boost"occurringatlowmodulationlevels,withvirtuallynoneathigh levelsofmodulation.Whilethisprocess,therefore,doesnotfully compensateforthelowereffectivedegreeoffixedpreemphasis employed,wehavesatisfiedourselvesthatthiscombinationof techniquesresultsinatransmittedsignalwhichwillbereproducedby aconventionalreceiverwithnoapparentlossinhighfrequency response. Wehavenotdetermined,nordowebelieve,thatalistenertoa DolbyequippedFMstationwouldenjoyfullycompatiblereceptionif heweretomodifyhisFMreceiversolelybychangingtheamountof deemphasisfrom75to25microseconds. Improvementsinsignal-to-noiseratioattainedthroughtheuseof Dolbyequipmentshouldbeapparenttolistenersinareaswherethe receivedsignaliscomparativelyweak.Suchareasaregenerallyquite distantfromthestationbeingreceived.Themaximumimprovementin signal-to-noiseratiocanbeachievedonlywhenthereceiverisequipped withcomplementaryDolbycircuitry.However,thecarrierofanFM stationwiththeType324encoder,withthelowereffectivedegreeof preemphasiswhichitsuseentails,maybemodulatedatahigher averagelevelthanwouldotherwisebethecase.Whenthisisdone,the noiseperformanceofconventionalreceiverstunedtothestationwill improve. Dolbytechniquesoperateonlytoreducetheeffectofinherentnoise developedwithintheFMreceiver.Indistantareaswheresucha reductionmightotherwisebeuseful,thelimitationontheabilityto receiveaparticularFMstationsatisfactorilymaybeimposednotby receivernoise,butbyinterferencefromotherco-channeloradjacent channelFMstations. 72F.C.C.2d
• http://www.fcc.gov/mb/audio/bickel/amfmrule.html
  • 73.295 FM subsidiary communications services. [ [212]Subcarriers / SCA ] [213]TEXT [214]PDF 73.297 FM stereophonic sound broadcasting. [215]TEXT [216]PDF 73.310 FM technical definitions. [217]TEXT [218]PDF 73.311 Field strength contours. [219]TEXT [220]PDF 73.312 Topographic data. [221]TEXT [222]PDF 73.313 Prediction of coverage. [223]TEXT [224]PDF 73.314 Field strength measurements. [225]TEXT [226]PDF 73.315 FM transmitter location. [227]TEXT [228]PDF 73.316 FM antenna systems. [229]TEXT [230]PDF 73.317 FM transmission system requirements. [231]TEXT [232]PDF 73.318 FM blanketing interference. [233]TEXT [234]PDF 73.319 FM multiplex subcarrier technical standards. [235]TEXT [236]PDF 73.322 FM stereophonic sound transmission standards. [237]TEXT [238]PDF 73.333 Engineering charts. [ [239]Propagation Curves ] Subpart C -- Noncommercial Educational FM Broadcast Stations [240]TEXT [241]PDF 73.501 Channels available for assignment. [242]TEXT [243]PDF 73.503 Licensing requirements and service. [244]TEXT [245]PDF 73.504
• http://www.fcc.gov/mb/audio/digitalSTA.html
  • combined, high-level combined, dual antenna, dual feed. If dual antenna operation is proposed, the license file number, geographic coordinates and elevation data for the licensed auxiliary antenna to be used for the digital signal. Also, if interleaved antenna bays are employed, a certification that sufficient filtering equipment has been installed to reduce spurious emissions below the level required by Section 73.317. + The analog, digital and, if appropriate, combined transmitter power outputs for the proposed operation, taking into account all system losses and antenna gains. + A certification that, with the exception of the digital power level requested, the proposed digital operation will comply with the technical specifications set forth in Appendix B of the [4]First Report and Order in MM
• http://www.fcc.gov/mb/audio/includes/63-amfmrule.htm
  • 73.295 FM subsidiary communications services. [ [165]Subcarriers / SCA ] [166]TEXT [167]PDF 73.297 FM stereophonic sound broadcasting. [168]TEXT [169]PDF 73.310 FM technical definitions. [170]TEXT [171]PDF 73.311 Field strength contours. [172]TEXT [173]PDF 73.312 Topographic data. [174]TEXT [175]PDF 73.313 Prediction of coverage. [176]TEXT [177]PDF 73.314 Field strength measurements. [178]TEXT [179]PDF 73.315 FM transmitter location. [180]TEXT [181]PDF 73.316 FM antenna systems. [182]TEXT [183]PDF 73.317 FM transmission system requirements. [184]TEXT [185]PDF 73.318 FM blanketing interference. [186]TEXT [187]PDF 73.319 FM multiplex subcarrier technical standards. [188]TEXT [189]PDF 73.322 FM stereophonic sound transmission standards. [190]TEXT [191]PDF 73.333 Engineering charts. [ [192]Propagation Curves ] Subpart C -- Noncommercial Educational FM Broadcast Stations [193]TEXT [194]PDF 73.501 Channels available for assignment. [195]TEXT [196]PDF 73.503 Licensing requirements and service. [197]TEXT [198]PDF 73.504