Regulations last checked for updates: Oct 17, 2024

Title 47 - Telecommunication last revised: Oct 11, 2024
§ 80.364 - Frequencies for VHF digital small message services (VDSMS).

Frequencies in the 156-162 MHz band may be used for VHF digital small message services (VDSMS) complying with RTCM 12301 (incorporated by reference, see § 80.7), except as follows

VHF-FM Channels Not Available for Digital Small Message Service

Channel Frequency (MHz)
01A156.050
63A156.175
05A156.250
65A156.275
06156.300
66A156.325
67156.375
70156.525
12156.600
13156.650
73156.675
14156.700
74156.725
15156.750
75156.775
16156.800
76156.825
17156.850
77156.875
20A157.000
22A157.100
AIS 1/2161.975/162.025
[81 FR 90747, Dec. 15, 2016]
authority: 47 U.S.C. 151-155,301; 3 U.S.T. 3450, 3 U.S.T. 4726, 12 U.S.T. 2377
source: 51 FR 31213, Sept. 2, 1986, unless otherwise noted.
cite as: 47 CFR 80.364