(a) Authorization to use radiotelephone and radiotelegraph emissions by ship and coast stations includes the use of digital selective calling and selective calling techniques in accordance with Sec. 80.225.
(b) In radiotelegraphy communications employing a modulated carrier the carrier must be keyed and modulated by an audio frequency.
(c) Authorization to use single sideband emission is limited to emitting a carrier;
(1) For full carrier transmitters at a power level between 3 and 6 dB below peak envelope power;
(2) For suppressed carrier transmitters at a power level at least 40 dB below peak envelope power; and
(3) For reduced or variable level carrier:
(i) In the 1600-4000 kHz band:
(A) For coast station transmitters 182 dB below peak envelope power;
(B) For ship station transmitters installed before January 2, 1982, 162 dB below peak envelope power; and
(C) For ship station transmitters installed after January 1, 1982, 182 dB below peak envelope power.
(ii) In the 4000-27500 kHz band:
(A) For coast station transmitters 182 dB below peak envelope power;
(B) For ship station transmitters installed before January 2, 1978, 162 dB below peak envelope power; and
(C) For ship station transmitters installed after January 1, 1978, 182 dB below peak envelope power.
(d) The authorized classes of emission are as follows: ------------------------------------------------------------------------
Types of stations Classes of emission------------------------------------------------------------------------
Ship Stations \1\
Radiotelegraphy:
100-160 kHz......................... A1A.
405-525 kHz......................... A1A, J2A.1615-27500 kHz:
Manual \15 16 17\................... A1A, J2A, J2B, J2D.
DSC \6\............................. F1B, J2B.
NB-DP \14 16\....................... F1B, J2B, J2D.
Facsimile........................... F1C, F3C, J2C, J3C.
156-162 MHz \2\..................... F1B, F2B, F2C, F3C, F1D, F2D.
DSC................................. G2B.
216-220 MHz \3\..................... F1B, F2B, F2C, F3C.
1626.5-1646.5 MHz................... (\4\).Radiotelephony:
1615-27500 kHz \16\................. H3E, J2D, J3E, R3E.
27.5-470 MHz \6\.................... G3D, G3E.
1626.5-1646.5 MHz................... (\4\).Radiodetermination:
285-325 kHz \7\..................... A1A, A2A.
405-525 kHz (Direction Finding) \8\. A3N, H3N, J3N, NON.
154-459 MHz: \12\................... A1D, A2D, F1D, F2D, G1D, G2D.
2.4-9.5 GHz......................... PON.
Land Stations \1\
Radiotelegraphy:
100-160 kHz......................... A1A.
405-525 kHz......................... A1A, J2A.1605-2850 kHz:
Manual.............................. A1A, J2A.
Facsimile........................... F1C, F3C, J2C, J3C.
Alaska-Fixed........................ A1A, J2A.4000-27500 kHz:
Manual \16\......................... A1A, J2A, J2B, J2D.
DSC \18\............................ F1B, J2B.
NB-DP \14 18\....................... F1,B J2B, J2D.
Facsimile........................... F1C, F3C, J2C, J3C.
Alaska-Fixed \17 18\................ A1A, A2A, F1B, F2B, J2B, J2D.
72-76 MHz........................... A1A, A2A, F1B, F2B.
156-162 MHz \2 20\.................. F1B, F2B, F2C, F3C, F1D, F2D.
DSC................................. G2B.
216-220 MHz \3\..................... F1B, F2B, F2C, F3C.Radiotelephony:
1615-27500 kHz \18 19\.............. H3E, J3E, R3E.
72-76 MHz........................... A3E, F3E, G3E.
156-470 MHz......................... G3E.Radiodetermination:
2.4-9.6 GHz......................... PON.Distress, Urgency and Safety \8 9\
2182 kHz \10 11\.................... A2B, A3B, H2B, H3E, J2B, J3E.
121.500 MHz......................... A3E, AEX, N0N.
123.100 MHz......................... A3E.
156.750 and 156.800 MHz \13\........ G3E, G3N.
243.000 MHz......................... A3E, A3X, N0N.
406.0-406.1 MHz..................... G1D.------------------------------------------------------------------------\1\ Excludes distress, EPIRBs, survival craft, and automatic link
establishment.\2\ Frequencies used for public correspondence and in Alaska 156.425
MHz. See Sec. Sec. 80.371(c), 80.373(f) and 80.385(b). Transmitters
approved before January 1, 1994, for G3E emissions will be authorized
indefinitely for F2C, F3C, F1D and F2D emissions. Transmitters
approved on or after January 1, 1994, will be authorized for F2C, F3C,
F1D or F2D emissions only if they are approved specifically for each
emission designator.\3\ Frequencies used in the Automated Maritime Telecommunications System
(AMTS). See Sec. 80.385(b).\4\ Types of emission are determined by the INMARSAT Organization.\5\ [Reserved]\6\ G3D emission must be used only by one-board stations for maneuvering
or navigation.\7\ Frequencies used for cable repair operations. See Sec. 80.375(b).\8\ For direction finding requirements see Sec. 80.375.\9\ Includes distress emissions used by ship, coast, EPIRBs and survival
craft stations.\10\ On 2182 kHz A1B, A2B, H2B and J2B emissions indicate transmission
of the auto alarm signals.\11\ Ships on domestic voyages must use J3E emission only.\12\ For frequencies 154.585 MHz, 159.480 MHz, 160.725 MHz, 160.785 MHz,
454.000 MHz and 459.000 MHz, authorized for offshore radiolocation and
related telecommand operations.\13\ [Reserved]\14\ NB-DP operations which are not in accordance with ITU-R
Recommendations M.625 or M.476 are permitted to utilize any
modulation, so long as emissions are within the limits set forth in
Sec. 80.211(f).\15\ J2B is permitted only on 2000-27500 kHz.\16\ J2D is permitted only on 2000-27500 kHz, and ship stations
employing J2D emissions shall at no time use a peak envelope power in
excess of 1.5 kW per channel.\17\ J2B and J2D are permitted provided they do not cause harmful
interference to A1A.\18\ Coast stations employing J2D emissions shall at no time use a peak
envelope power in excess of 10 kW per channel.\19\ J2D is permitted only on 2000-27500 kHz.\20\ If a station uses another type of digital emission, it must comply
with the emission mask requirements of Sec. 90.210 of this chapter,
except that Automatic Identification System (AIS) transmissions do not
have to comply with the emission mask requirements of Sec. 90.210 of
this chapter. [51 FR 31213, Sept. 2, 1986]
Editorial Note: For Federal Register citations affecting Sec. 80.207, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.fdsys.gov.