Goto Section: 80.213 | 80.217 | Table of Contents
FCC 80.215
Revised as of October 1, 2008
Goto Year:2007 |
2009
Sec. 80.215 Transmitter power.
(a) Transmitter power shown on the radio station authorization is the
maximum power the licensee is authorized to use. Power is expressed in the
following terms:
(1) For single sideband emission: Peak evelope power;
(2) For G3E emission: Carrier power;
(3) For PON and F3N emission: Mean power;
(4) For all emissions in the 1626.5–1646.5 MHz band: equivalent isotropic
radiated power.
(5) For all other emissions: the carrier power multiplied by 1.67.
(b) Coast station frequencies below 27500 kHz. The maximum power must not
exceed the values listed below.
(1) Public coast stations, except Alaska:
(i) Radiotelegraphy:
100–160 kHz—80kW
405–525 kHz—40kW
2035–2065 kHz—6.6kW
4000–8000 kHz—10kW
8000–9000 kHz—20kW
12000–27500 kHz—30kW
(ii) Radiotelephony:
2000–4000 kHz—day—800W
2000–4000 kHz—night—400W
4000–27500 kHz—10kW
(2) Private coast stations, except in Alaska: 1kW
(3) Coast stations in Alaska, public and private:
405–525 kHz—265W
1605–12000 kHz—150W
(c) Coast station frequencies above 27500 kHz. The maximum power must not
exceed the values listed below.
(1) Coast stations:
156–162 MHz–50W^1,2,13
^1 Maximum authorized power at the input terminals of the station antenna.
216–220 MHz^2
^2 See paragraph (h) of this section.
(2) Marine utility stations:
156–162 MHz—10W
(d) Ship station frequencies below 27500 kHz. The maximum power must not
exceed the values listed below:
(1) Radiotelegraphy: All ships—2kW^3
^3 For passenger ships 5000 gross tons and over—8kW. For cable-repair ships
operating on radiodetermination frequencies, 15 watts; see Sec. 80.375(b).
(2) Radiotelephony:
(i) All ships—Great Lakes and Inland Waters—150W
(ii) All ships—Open waters; 2000–4000 kHz—150W
2182 kHz—emergency, urgency, or safety ship to shore—400W^4
^4 For passenger ships 5000 gross tons and over—1kW.
(iii) All ships—Open waters; 4000–27500 kHz—1.5kW^5 .
^5 For passenger ships 5,000 gross tons and over 3kW.
(3) Digital selective calling:
All ships 415–526.5 kHz—400 W
All ships 1605–4000 kHz—400 W
All ships 4000–27500 kHz—1.5 kW
(e) Ship stations frequencies above 27500 kHz. The maximum power must not
exceed the values listed below.
(1) Ship stations 156–162 MHz—25W^6, ^13
^6 Reducible to 1 watt or less, except for transmitters limited to public
correspondence channels and used in an automated system.
^13 The frequencies 156.775 and 156.825 MHz are available for
navigation-related port operations or ship movement only, and all
precautions must be taken to avoid harmful interference to channel 16.
Transmitter output power is limited to 1 watt for ship stations, and 10
watts for coast stations.
Marine utility stations and hand-held portable transmitters: 156–162 MHz–10W
(2) Ship stations 216–220 MHz—25W^7
^7 [Reserved]
(3) On board stations 456–468 MHz—4W^8
^8 Certification based on a carrier power of 4 watts with transmitter
connected to a dummy load of matching impedance. The effective radiated
power must not exceed 2 watts.
(4) Ship earth stations 1626.5–1646.5 MHz^9
^9 See paragraph (k) of this section.
(5) Ship radar stations with F3N emission—200 mW
(6) EPIRB—121.500 and 243.00 MHz^10
^10 See subpart V of this part.
(7) EPIRB—156.750 and 156.800 MHz^10
(f) Fixed stations. The maximum power must not exceed the values+ listed
below.
(1) Maritime support (receiver test):
R3E and J3C emission—150W
F3E emission—50W
(2) Operational fixed: 72–76 MHz and above 162 MHz^11
^11 See paragraph (l) of this section.
(3) Alaska—Private fixed:^12
^12 The frequencies 156.375 MHz and 156.650 MHz are primarily intership
frequencies. When authorized for coast stations on a secondary basis, the
normal output power must not exceed 1 watt and the maximum output power must
not exceed 10 watts.
10–200 kHz—650W
405–525 kHz—265W
1605–12000 kHz—150W
(4) Alaska—Public fixed:
405–525 kHz—1kW
1605–12000 kHz—1kW
(g) The carrier power of ship station radiotelephone transmitters, except
portable transmitters, operating in the 156–162 MHz band must be at least 8
but not more than 25 watts. Transmitters that use 12 volt lead acid storage
batteries as a primary power source must be measured with a primary voltage
between 12.2 and 13.7 volts DC. Additionally, unless otherwise indicated,
equipment in radiotelephone ship stations operating in the 156–162 MHz band
must meet the following requirements:
(1) All transmitters and remote control units must be capable of reducing
the carrier power to one watt or less;
(2) Except as indicated in (g)(4) of this section, all transmitters
manufactured after January 21, 1987, or in use after January 21, 1997, must
automatically reduce the carrier power to one watt or less when the
transmitter is tuned to 156.375 MHz or 156.650 MHz, and must be provided
with a manual override switch which when held by an operator will permit
full carrier power operation on 156.375 MHz and 156.650 MHz;
(3) Except as indicated in (g)(4) of this section, all ship station
transmitters installed after January 9, 2006, must be capable of tuning to
156.775 MHz and 156.825 MHz and must automatically reduce the carrier power
to one watt or less, with no manual override capability, when the
transmitter is tuned to either 156.775 MHz or 156.825 MHz;
(4) Hand-held portable transmitters are not required to comply with the
automatic reduction of carrier power in (g)(2) of this section; and
(5) Transmitters dedicated for use on public correspondence duplex channels
as additional equipment to a VHF ship station in the Great Lakes which meet
all pertinent rules in this part are not required to reduce their carrier
power to one watt.
(h) Coast stations in an AMTS may radiate as follows, subject to the
condition that no harmful interference will be caused to television
reception except that TV services authorized subsequent to the filing of the
AMTS station application will not be protected.
(1) When located more than 169 kilometers (105 miles) from the antenna of a
Channel 13 TV station and more than 129 kilometers (80 miles) from the
antenna of a channel 10 station, the ERP of coast stations having an antenna
height of 61 meters (200 feet) or less above ground must not exceed 1000
watts.
(2) Coast stations located less than 169 kilometers (105 miles) from a
channel 13 TV station, or less than 129 kilometers (80 miles) from a channel
10 TV station, or when using a transmitting antenna height above ground
greater than 61 meters (200 feet), must submit a plan to limit interference
to TV reception, unless the station's predicted interference contour is
fully encompassed by the composite interference contour of the system's
existing stations, or the station's predicted interference contour extends
the system's composite interference contour over water only (disregarding
uninhabited islands). The plan must include:
(i) A description of the interference contour with indentification of the
method used to determine this contour; and
(ii) A statement concerning the number of residences within the interference
contour. The interference contour includes only areas inside the TV grade B
contour with the latter determined assuming maximum permissible TV antenna
height and power for broadcast stations and the actual facility parameters
for translators and low power TV stations. See part 73, subpart E of this
chapter for further information on TV grade B contour determination.
(3) When located as described in paragraph (h)(2) of this section, the coast
station (or stations affecting the same TV Grade B contour) will be
authorized if the applicant's plan has limited the interference contour(s)
to fewer than 100 residences or if the applicant:
(i) Shows that the proposed site is the only suitable location (which, at
the application stage, requires a showing that the proposed site is
especially well-suited to provide the proposed service);
(ii) Develops a plan to control any interference caused to TV reception
within the Grade B contour from its operations; and
(iii) Agrees to make such adjustments in the TV receivers affected as may be
necessary to eliminate interference caused by its operations.
(4) The applicant must eliminate any interference caused by its operation to
TV reception within the Grade B contour that might develop within 90 days of
the time it is notified in writing by the Commission. If this interference
is not removed within the 90-day period, operation of the coast station must
be discontinued. The licensee is expected to help resolve all complaints of
interference, whether inside or outside the Grade B contour.
(5) The transmitter power, as measured at the input terminals to the station
antenna, must be 50 watts or less.
(i) A ship station must have a transmitter output not exceeding 25 watts and
an ERP not exceeding 18 watts. The maximum transmitter output power is
permitted to be increased to 50 watts under the following conditions:
(1) Increases exceeding 25 watts are made only by radio command from the
controlling coast stations; and
(2) The application for an equipment authorization demonstrates that the
transmitter output power is 25 watts or less when external radio commands
are not present.
(j) A ship installation with a transmitter output power exceeding 25 watts
under the conditions of paragraph (i) of this section is exempted from the
limitation of 18 watts ERP when operating in specific geographical areas
identified in a plan for the use of higher power.
(k) Within the 1626.5–1646.5 MHz band the maximum e.i.r.p by a ship earth
station in any direction in the horizontal plane or in the direction of the
space station must not exceed +40 dB relative to one watt in any 4 kHz band
in the main beam, except upon a satisfactory showing of need for greater
power, in which case a maximum of +55 dB relative to one watt may be
authorized.
(l) For operational fixed stations using frequencies in the 72–76 MHz band
and for other classes of stations operating above 162.025 MHz, the
transmitter power must be specified in the station authorization.
Frequencies in the 72–76 MHz band are listed in Sec. 80.381. The operational
requirements for 72–76 MHz are contained in subpart L of this part.
(m) For radiodetermination transmitters using A1D, A2D, F1D, F2D, G1D and
G2D emissions on 154.585 MHz, 159.480 MHz, 160.725 MHz, 160.785 MHz, 454.000
MHz and 459.000 MHz the mean output power of the unmodulated carrier must
not exceed 25 watts.
(n) For radiodetermination stations operating above 2400 MHz the output
power must be as follows:
(1) For radar stations that use F3N emission the mean output power must not
exceed 200 milliwatts;
(2) For search and rescue stations the output power must be at least 400
milliwatts peak e.i.r.p.
(3) For all other transponder stations the output power must not exceed 20
watts peak e.i.r.p. Licensees of non-selectable transponder coast stations
operating in the 2920–3100 MHz and 9320–9500 MHz bands must notify in
writing the USCG District Commander of any incremental increase of their
station's output power above 5 watts peak e.i.r.p.
[ 51 FR 31213 , Sept. 2, 1986, as amended at 52 FR 7419 , Mar. 11, 1987; 52 FR 35244 , Sept. 18, 1987; 54 FR 40058 , Sept. 29, 1989; 54 FR 49994 , Dec. 4,
1989; 56 FR 3783 , Jan. 31, 1991; 59 FR 35269 , July 11, 1994; 63 FR 36606 ,
July 7, 1998; 65 FR 77824 , Dec. 13, 2000; 67 FR 48564 , July 25, 2002; 68 FR 46965 , Aug. 7, 2003; 69 FR 64673 , Nov. 8, 2004]
Goto Section: 80.213 | 80.217
Goto Year: 2007 |
2009
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