FCC Web Documents citing 87.139

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

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  • To foster improved spectrum efficiencies, we also propose to amend various service and technical rules pertaining to the aviation services, 47 C.F.R. Part 87. The specific rule provisions we propose to amend are: (1) 47 C.F.R. § 87.131 (Power and emissions); (2) 47 C.F.R. § 87.133 (Frequency stability); (3) 47 C.F.R. § 87.137 (Types of emission); (4) 47 C.F.R. § 87.139 (Emission limitations); (5) 47 C.F.R. § 87.173 (Frequencies) [General List]; (6) 47 C.F.R. § 87.187 (Frequencies) [Aircraft Stations]; and (7) 47 C.F.R. § 87.263 (Frequencies) [Aeronautical Enroute and Aeronautical Fixed Stations]. We believe that these changes would serve to promote the transition from analog voice communications to digital voice and data transmissions. NBAA contends that recent studies indicate a twenty
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  • RF cable and diplexer losses. The assumed value of such losses is 1.25 dB, which would result in an output of 60 watts. As a result, we believe that the value currently specified in our rules is erroneous and we propose to correct that here. We seek comment on our proposal. Emission Limitations. We propose to amend 47 C.F.R. § 87.139(i) to ensure that our rules reflect the latest technical standards without retaining regulations in the Commission's rules that duplicate standards established by the FAA in its Technical Standards Order governing AMS(R)S. The proposed edits are contained in a table set forth as a proposed amendment to Section 87.139 of the Commission's rules in Appendix A. We seek comment on our
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  • Broadcasting, L.P., WTWV, West Yarmouth, MA. Boston, MA District Office (12/17/01). 47 C.F.R. Part 76 - Multichannel Video and Cable Television Service 47 C.F.R. § 76.605 - Technical Standards Antietam Cable TV, Hagerstown, MD. Columbia, MD District Office (12/7/01). Comcast Cablevision of Michigan, Troy, MI. Detroit, MI District Office (12/7/01). 47 C.F.R. Part 87 - Aviation Services 47 C.F.R. § 87.139 - Emission Limitations Black River Area Airport Commission, WRLB2487, Black River Falls, WI. San Paul, MN Resident Agent Office (12/31/01). 47 C.F.R. Part 90 -Private Land Mobile Radio Services 47 C.F.R. § 90.135 - Modification of License Hilltop Communications, WPSM229, Rochester, MN. San Paul, MN Resident Agent Office (12/14/01). 47 C.F.R. § 90.403 - General Operating Requirements William Quimby, WPKZ505,
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  • radio spectrum. Legal Basis: 48 Stat. 1064-1068, 1081-1105, as amended; 47 U.S.C. §§ 151, 152, 153, 154, 155, 156, 301 through 609. Section Number and Title: SUBPART A - GENERAL INFORMATION 87.5 Definitions. SUBPART B - APPLICATIONS AND LICENSES 87.51 Aircraft earth station commissioning. SUBPART D - TECHNICAL REQUIREMENTS 87.131 Power and emissions. 87.133 Frequency stability. 87.137 Types of emission. 87.139 Emission limitations. 87.141 Modulation requirements. 87.145 Acceptability of transmitters for licensing. 87.147 Authorization of equipment. SUBPART E - FREQUENCIES 87.171 Class of station symbols. 87.173 Frequencies. SUBPART F - AIRCRAFT STATIONS 87.175 Scope of Service. 87.187 Frequencies. 87.189 Requirements for public correspondence equipment and operations. SUBPART G - AERONAUTICAL ADVISORY STATIONS (UNICOMS) 87.213 Scope of Service. 87.215 Supplemental Eligibility. 87.217
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-03-686A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-03-686A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-03-686A1.txt
  • 8bit - Released: March 11, 2003 WIRELESS TELECOMUNICATIONS BUREAU SEEKS COMMENT ON WAIVER REQUEST BY ROCKWELL COLLINS, INC. TO ALLOW CERTIFICATION OF AERONAUTICAL SATELLITE COMMUNICATIONS TRANSCEIVER TO SUPPORT INMARSAT'S SWIFT64 SERVICE Comment Date: April 1, 2003 Reply Comment Date: April 15, 2003 On November 19, 2002, Rockwell Collins Inc. (Rockwell Collins) submitted request of waiver of Sections 87.131, 87.133(a), 87.137(a), 87.139(i)(4), 87.141(j), and 87.145(d) of the Commission's Rules. This request is to allow certification of Rockwell Collins aeronautical satellite communications transceiver type HST-900. Rockwell Collins wishes to market and sell this transceiver to support a new aeronautical data communications service offered by Inmarsat under the service mark ``Swift64''. The Commission's current Part 87 aeronautical mobile satellite regulations were written specifically for
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-03-686A1_Erratum.doc
  • 8bit - Released: March 11, 2003 WIRELESS TELECOMUNICATIONS BUREAU SEEKS COMMENT ON WAIVER REQUEST BY ROCKWELL COLLINS, INC. TO ALLOW CERTIFICATION OF AERONAUTICAL SATELLITE COMMUNICATIONS TRANSCEIVER TO SUPPORT INMARSAT'S SWIFT64 SERVICE Comment Date: April 1, 2003 Reply Comment Date: April 15, 2003 On November 19, 2002, Rockwell Collins Inc. (Rockwell Collins) submitted request of waiver of Sections 87.131, 87.133(a), 87.137(a), 87.139(i)(4), 87.141(j), and 87.145(d) of the Commission's Rules. This request is to allow certification of Rockwell Collins aeronautical satellite communications transceiver type HST-900. Rockwell Collins wishes to market and sell this transceiver to support a new aeronautical data communications service offered by Inmarsat under the service mark ``Swift64''. The Commission's current Part 87 aeronautical mobile satellite regulations were written specifically for
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  • Universal Access Transceiver (UAT) Automatic Dependent Surveillance - Broadcast, RTCA/DO-282, Issued 8-27-02 (RTCA, Inc. 2002). See Review of Part 87 of the Commission's Rules Concerning the Aviation Radio Service, Report and Order and Further Notice of Proposed Rule Making, WT Docket No. 01-289, 18 FCC Rcd 21432 ¶ 77 (2003). See id. Specifically, the Commission proposed to amend Sections 87.137, 87.139, 87.141, 87.187, 87.263, 87.345, 87.349, 87.375, 87.417 and 87.475. 47 C.F.R. §§ 87.137, 87.139, 87.141, 87.187, 87.263, 87.345, 87.349, 87.375, 87.417 and 87.475. The Notice of Proposed Rule Making was published in the Federal Register on April 12, 2004. 69 Fed. Reg. 19140 (2004). Comments are due July 12, 2004, and reply comments are due August 10, 2004. See Letter
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  • and Further Notice of Proposed Rule Making in WT Docket No. 01-289, in which it proposed to amend the Part 87 Rules governing the Aviation Radio Service to, inter alia, authorize UAT operations on the 978 MHz frequency. Specifically, the Commission proposed to amend or add Sections 87.137(a) (to specify the emission designator F1D for UAT operations on 978 MHz), 87.139(l)(1) (to impose emission limitations on UAT operations), 87.141(k) (to impose modulation requirements on UAT operations), 87.173(b) (to list 978 MHz in the table of frequencies as available for UAT operations), and 87.187(ff), 87.263(g), 87.345(f), 87.349(e), 87.375(e), 87.417(c), and 87.475(b)(9) (all to authorize the use of 978 MHz for UAT data transmission). These proposals remain pending before the Commission. GARMIN filed
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  • link test are only partial tests, cockpit congestion during maintenance causes problems, coordination with other remotely located staff is needed, not all facilities have access to ARINC or SITA ground stations, military transport aircraft require unequivocal evidence of serviceability before departure, and laboratory testing prior to use cannot adequately reproduce necessary operational characteristics. Id. at 4. See 47 C.F.R. § 87.139(k). See Manual on VHF Digital Link (VDL) Mode 2 (Doc 9776). See DO-281A, Minimum Operational Performance Standards for Aircraft VDL Mode 2 Physical, Link and Network Layer, November 8, 2005. ADS reply comments at 5. Id. at 4. Id. at Attachment 1. AEEC DLK Systems Subcommittee Report, dated December 9, 2005, Reference No. 05-279/DLK-998 sap. See 47 C.F.R. § 87.131.
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-11-1104A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-11-1104A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-11-1104A1.txt
  • of Aeronautical Mobile Satellite Service Transceiver ) ) ) ) ) ) ) ) WT Docket No. 11-19 ORDER Adopted: June 22, 2011 Released: June 23, 2011 By the Deputy Chief, Mobility Division, Wireless Telecommunications Bureau: Introduction. We have before us a request filed by EMS Technologies Canada, Ltd. (EMS) for waiver of the emission limitations set forth in Section 87.139(i)(1) of the Commission's Rules, to permit equipment certification and use of EMS's aeronautical-mobile satellite service (AMSS) HSD-MK2 transceiver. For reasons set forth below, we grant the waiver request. Background. The HSD-MK2 transceiver supports the Inmarsat Classic, Swift64 and SwiftBroadband aircraft communications services, and is intended to be used on aircraft to provide high-speed Internet, voice and video conferencing capabilities. EMS
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-11-1104A1_Rcd.pdf
  • 87 Emission Mask to Allow Certification and use of Aeronautical Mobile Satellite Service Transceiver ))))))))WT Docket No. 11-19 ORDER Adopted: June 22, 2011 Released: June 23, 2011 By the Deputy Chief, Mobility Division, Wireless Telecommunications Bureau: 1. Introduction.We have before us a request filed by EMS Technologies Canada, Ltd. (EMS) for waiver of the emission limitations set forth in Section 87.139(i)(1) of the Commission's Rules,1 to permit equipment certification and use of EMS's aeronautical-mobile satellite service (AMSS)2HSD- MK2 transceiver.3Forreasons set forth below, we grant the waiver request. 2. Background.The HSD-MK2 transceiver supports the Inmarsat Classic, Swift64 and SwiftBroadband aircraft communications services, and is intended to be used on aircraft to provide high- speed Internet, voice and video conferencing capabilities.4EMS states that
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  • WIRELESS TELECOMMUNICATIONS BUREAU SEEKS COMMENT ON REQUEST OF EMS TECHNOLOGIES CANADA, LTD. FOR WAIVER OF PART 87 EMISSION MASK TO ALLOW CERTIFICATION AND USE OF AERONAUTICAL MOBILE SATELLITE SERVICE TRANSCEIVER WT Docket No. 11-19 Comment Date: March 7, 2011 Reply Date: March 22, 2011 On June 2, 2010, EMS Technologies Canada, Ltd. (EMS) filed a request for waiver of Section 87.139(i)(1) of the Commission's Rules to permit equipment certification and use of its next generation aeronautical-mobile satellite service (AMSS) HSD-MK2 transceiver. The HSD-MK2 transceiver supports the Inmarsat Classic, Swift64 and SwiftBroadband aircraft communications services, and is intended to be used on aircraft to provide high-speed Internet, voice and video conferencing capabilities in the aircraft's cockpit, in the cabin and at the
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-11-206A1_Rcd.pdf
  • WIRELESS TELECOMMUNICATIONS BUREAU SEEKS COMMENT ON REQUEST OF EMS TECHNOLOGIES CANADA, LTD. FOR WAIVER OF PART 87 EMISSION MASK TO ALLOW CERTIFICATION AND USE OF AERONAUTICAL MOBILE SATELLITE SERVICE TRANSCEIVER WT Docket No. 11-19 Comment Date: March 7, 2011 Reply Date: March 22, 2011 On June 2, 2010, EMS Technologies Canada, Ltd. (EMS) filed a request for waiver of Section 87.139(i)(1) of the Commission's Rules1to permit equipment certification and useof its next generation aeronautical-mobile satellite service (AMSS) HSD-MK2 transceiver.2The HSD-MK2 transceiver supports the Inmarsat Classic, Swift64 and SwiftBroadband aircraft communications services, and is intended to be used on aircraft to provide high-speed Internet, voice and video conferencing capabilities in the aircraft's cockpit, in the cabin and at the gate. EMSrequests a
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  • for stations in the aviation services. Subpart D sets forth technical requirements for such stations. Need: This rule sets forth emission limitations for differential GPS ground stations transmitting in the 112-118 MHz band in order to avoid harmful interference to existing VHF omni-range (VOR) transmissions in the band. Legal Basis: 47 U.S.C. 154, 303 and 307(e). Section Number and Title: 87.139(j) Emission limitations. SUBPART G-AERONAUTICAL MULTICOM STATIONS Brief Description: The Part 87 rules set forth the conditions under which portions of the radio spectrum are made available and licensed for stations in the aviation services. Subpart G sets forth requirements for aeronautical multicom stations. Need: This rule permits the operation of unicom stations in an unattended, automatic mode, because automated unicoms
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/DOC-270808A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/DOC-270808A1.pdf
  • 1.89 of the Commission's Rules, to Honeywell International Inc (``Honeywell''), licensee of aeronautical station WPXH546. On February 8, 2007, an agent of the Commission's Buffalo Office investigated a complaint of harmful interference to Jet Blue Airline's radio system on the frequency of 136.6 MHz at the Syracuse, New York Airport. The agent observed the following violation : 47 C.F.R. § 87.139(a)(3): ``The mean power of any emission removed from the assigned frequency by more than 250 percent of the authorized bandwidth must be attenuated at least 43 + 10 log P below the mean power of the transmitter.'' The agent determined that Honeywell is authorized to operate on a frequency of 136.475 MHz with a power of 15 watts. The agent
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-00-160A1.doc
  • To foster improved spectrum efficiencies, we also propose to amend various service and technical rules pertaining to the aviation services, 47 C.F.R. Part 87. The specific rule provisions we propose to amend are: (1) 47 C.F.R. § 87.131 (Power and emissions); (2) 47 C.F.R. § 87.133 (Frequency stability); (3) 47 C.F.R. § 87.137 (Types of emission); (4) 47 C.F.R. § 87.139 (Emission limitations); (5) 47 C.F.R. § 87.173 (Frequencies) [General List]; (6) 47 C.F.R. § 87.187 (Frequencies) [Aircraft Stations]; and (7) 47 C.F.R. § 87.263 (Frequencies) [Aeronautical Enroute and Aeronautical Fixed Stations]. We believe that these changes would serve to promote the transition from analog voice communications to digital voice and data transmissions. NBAA contends that recent studies indicate a twenty
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  • in the Table of Frequency Allocations, 47 C.F.R. § 2.106, to permit the FAA to use five additional channels in the 136-136.475 MHz band ( specifically, the five reserved channels ( on a shared basis for ATC purposes, including FIS; (2) revise specified technical rules (47 C.F.R. §§ 87.131 (power and emissions), 87.133 (frequency stability), 87.137 (types of emission), and 87.139 (emission limitations)) to accommodate advanced digital communications systems throughout the 117.975-137 MHz band; and (3) modify the rules pertaining to special purpose enroute services in the Gulf of Mexico Region to clarify that four of the six channels that had been designated for that purpose, all four of which remain unlicensed, are now available for general purpose aeronautical enroute services.
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-01-303A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-01-303A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-01-303A1.txt
  • RF cable and diplexer losses. The assumed value of such losses is 1.25 dB, which would result in an output of 60 watts. As a result, we believe that the value currently specified in our rules is erroneous and we propose to correct that here. We seek comment on our proposal. Emission Limitations. We propose to amend 47 C.F.R. § 87.139(i) to ensure that our rules reflect the latest technical standards without retaining regulations in the Commission's rules that duplicate standards established by the FAA in its Technical Standards Order governing AMS(R)S. The proposed edits are contained in a table set forth as a proposed amendment to Section 87.139 of the Commission's rules in Appendix A. We seek comment on our
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-01-378A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-01-378A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-01-378A1.txt
  • ) WT Docket No. 00-77 RM Nos. 9376, 9462 MEMORANDUM OPINION AND ORDER Adopted: December 21, 2001 Released: December 28, 2001 By the Commission: introduction We have before us a petition filed by Aeronautical Radio, Inc. (ARINC) seeking partial reconsideration of the Report and Order in this proceeding. For the reasons that follow, we grant the Petition and amend Section 87.139(k) of our Rules to revise the emission mask and out-of-band power levels for very high frequency (VHF) digital aviation communications systems. background On April 13, 2001, the Commission released the Report and Order in this proceeding, which amended Parts 2 and 87 of the Rules to (1) give the Federal Aviation Administration access to five additional channels in the 136-136.475
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  • We solicit comment on whether limits should be imposed on the amateur and/or mobile services in order to enhance spectrum sharing; if limits are necessary, we seek comment on what limits we should adopt. We observe that non-Federal Government flight test stations in the band 2310-2390 MHz have long been subject to the emission limitations that are specified in Section 87.139 of our Rules. We propose to continue to employ these emission limitations for non-Federal Government flight test stations in the band 2385-2390 MHz. We note that NTIA has established significantly less stringent limits for unwanted emissions from aeronautical telemetry operations in this band than those requested by the Satellite Radio Licensees (25 to 55 dB less stringent than the WCS
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  • Standards (MOPS), developed by RTCA, Inc. (RTCA), and the Standards and Recommended Practices (SARPs), developed by the International Civil Aviation Organization (ICAO). Observing that the AMS(R)S technical standards in Part 87 had not been amended since 1992 although frequent updates had been made to the relevant MOPS and SARPs, the Commission proposed in the NPRM to revise Sections 87.131 and 87.139(i) of the Commission's Rules. The proposed rule changes were intended to ensure that the Part 87 AMS(R)S technical standards comport with current industry standards. Specifically, the Commission proposed to amend Section 87.131 to increase the allowable maximum output power of AES from sixty watts to eighty watts. The Commission reasoned that the eighty-watt maximum is the correct value, given that
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  • megahertz with new Federal and non-Federal Government operations on a co-primary basis. We solicited comment on whether limits should be imposed on the amateur and/or mobile services in order to enhance spectrum sharing. We also observed that non-Federal Government flight test stations in the band 2310-2390 MHz have long been subject to the emission limitations that are specified in Section 87.139 of our Rules, and we proposed to continue to employ these emission limitations for non-Federal Government flight test stations in the band 2385-2390 MHz. We requested comment on the appropriate out-of-band emission limits that are necessary to protect the Satellite Digital Audio Radio Service (``DARS'') at 2320-2345 MHz from harmful interference caused by either aeronautical ground or aircraft stations. Finally,
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  • MHz Above 50 MHz 16 Frequency deviation * * * * * * * * * * * * * * * F1D18 1M30F1D 1300 kHz 312.5 kHz * * * * * * * * * * * * * * * * * * * * 18 Authorized only for Universal Access Transceiver use at 978 MHz. Section 87.139 is amended by adding paragraph (l) to read as follows: § 87.139 Emission limitations. * * * * * (l)(1) For Universal Access Transceiver transmitters, the average emissions measured in a 100 kHz bandwidth must be attenuated below the maximum emission level contained within the authorized bandwidth by at least: Frequency (MHz) Attenuation (dB) +/- 0.5 0 +/- 1.0 18
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  • and text to read as follows: § 87.195 Prohibition of 121.5 MHz ELTs. The manufacture, importation, sale or use of 121.5 MHz ELTs is prohibited. Section 87.199 is amended by revising paragraph (a) to read as follows: § 87.199 Special requirements for 406.0-406.1 MHz ELTs. (a) 406.0-406.1 ELTs use G1D emission. Except for the spurious emission limits specified in § 87.139(h), 406.0-406.1 MHz ELTs must meet all the technical and performance standards contained in the Radio Technical Commission for Aeronautics document titled ``Minimum Operational Performance Standards 406 MHz Emergency Locator Transmitters (ELT)'' Document No. RTCA/DO-204 dated September 29, 1989. The Director of the Federal Register approves this incorporation by reference in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51.
• http://transition.fcc.gov/eb/Public_Notices/DA-02-197A1.html
  • Boch Broadcasting, L.P., WTWV, West Yarmouth, MA. Boston, MA District Office (12/17/01). 47 C.F.R. Part 76 Multichannel Video and Cable Television Service * 47 C.F.R. 76.605 Technical Standards * Antietam Cable TV, Hagerstown, MD. Columbia, MD District Office (12/7/01). * Comcast Cablevision of Michigan, Troy, MI. Detroit, MI District Office (12/7/01). 47 C.F.R. Part 87 Aviation Services * 47 C.F.R. 87.139 Emission Limitations * Black River Area Airport Commission, WRLB2487, Black River Falls, WI. San Paul, MN Resident Agent Office (12/31/01). 47 C.F.R. Part 90 Private Land Mobile Radio Services * 47 C.F.R. 90.135 Modification of License * Hilltop Communications, WPSM229, Rochester, MN. San Paul, MN Resident Agent Office (12/14/01). * 47 C.F.R. 90.403 General Operating Requirements * William Quimby, WPKZ505,
• http://www.fcc.gov/Bureaus/Wireless/Notices/2000/fcc00160.doc
  • To foster improved spectrum efficiencies, we also propose to amend various service and technical rules pertaining to the aviation services, 47 C.F.R. Part 87. The specific rule provisions we propose to amend are: (1) 47 C.F.R. § 87.131 (Power and emissions); (2) 47 C.F.R. § 87.133 (Frequency stability); (3) 47 C.F.R. § 87.137 (Types of emission); (4) 47 C.F.R. § 87.139 (Emission limitations); (5) 47 C.F.R. § 87.173 (Frequencies) [General List]; (6) 47 C.F.R. § 87.187 (Frequencies) [Aircraft Stations]; and (7) 47 C.F.R. § 87.263 (Frequencies) [Aeronautical Enroute and Aeronautical Fixed Stations]. We believe that these changes would serve to promote the transition from analog voice communications to digital voice and data transmissions. NBAA contends that recent studies indicate a twenty
• http://www.fcc.gov/eb/FieldNotices/2003/DOC-270808A1.html
  • of the Commission's Rules, to Honeywell International Inc ("Honeywell"), licensee of aeronautical station WPXH546. 2. On February 8, 2007, an agent of the Commission's Buffalo Office investigated a complaint of harmful interference to Jet Blue Airline's radio system on the frequency of 136.6 MHz at the Syracuse, New York Airport. The agent observed the following violation : 47 C.F.R. S 87.139(a)(3): "The mean power of any emission removed from the assigned frequency by more than 250 percent of the authorized bandwidth must be attenuated at least 43 + 10 log P below the mean power of the transmitter." The agent determined that Honeywell is authorized to operate on a frequency of 136.475 MHz with a power of 15 watts. The agent
• http://www.fcc.gov/eb/Public_Notices/DA-02-197A1.html
  • Boch Broadcasting, L.P., WTWV, West Yarmouth, MA. Boston, MA District Office (12/17/01). 47 C.F.R. Part 76 Multichannel Video and Cable Television Service * 47 C.F.R. 76.605 Technical Standards * Antietam Cable TV, Hagerstown, MD. Columbia, MD District Office (12/7/01). * Comcast Cablevision of Michigan, Troy, MI. Detroit, MI District Office (12/7/01). 47 C.F.R. Part 87 Aviation Services * 47 C.F.R. 87.139 Emission Limitations * Black River Area Airport Commission, WRLB2487, Black River Falls, WI. San Paul, MN Resident Agent Office (12/31/01). 47 C.F.R. Part 90 Private Land Mobile Radio Services * 47 C.F.R. 90.135 Modification of License * Hilltop Communications, WPSM229, Rochester, MN. San Paul, MN Resident Agent Office (12/14/01). * 47 C.F.R. 90.403 General Operating Requirements * William Quimby, WPKZ505,