Sec.  22.805   Channels for general aviation air-ground service.

   

   The following channels are allocated for the provision of
   radiotelephone service to airborne mobile subscribers in general
   aviation aircraft. These channels have a bandwidth of 20 kHz and are
   designated by their center frequencies in MegaHertz.

                         Signalling Channel Pair
------------------------------------------------------------------------
              Ground                           Airborne mobile
------------------------------------------------------------------------
454.675                             459.675
------------------------------------------------------------------------

                       Communication Channel Pairs
------------------------------------------------------------------------
              Ground                           Airborne mobile
------------------------------------------------------------------------
454.700                             459.700
454.725                             459.725
454.750                             459.750
454.775                             459.775
454.800                             459.800
454.825                             459.825
454.850                             459.850
454.875                             459.875
454.900                             459.900
454.925                             459.925
454.950                             459.950
454.975                             459.975
------------------------------------------------------------------------

   (a) Channel 454.675 MHz is assigned to each and every ground station,
   to be used only for automatically alerting airborne mobile stations of
   incoming calls.

   (b) All airborne mobile channels are assigned for use by each and
   every airborne mobile station.