§ 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)
     01A       156.050
     63A       156.175
     05A       156.250
     65A       156.275
      06       156.300
     66A       156.325
      67       156.375
      70       156.525
      12       156.600
      13       156.650
      73       156.675
      14       156.700
      74       156.725
      15       156.750
      75       156.775
      16       156.800
      76       156.825
      17       156.850
      77       156.875
     20A       157.000
     22A       157.100
   AIS 1⁄2 161.975/162.025

   [ 81 FR 90747 , Dec. 15, 2016]

   return arrow Back to Top

Radiotelephony

   return arrow Back to Top