[TOPR] TOPR State 1: 20 Digital Med = NO Uplink ==> 500mW 436.797MHz AFSK Downlink [TOPR] TOPR State 2: 420 Analogue Med = 145.850MHz Uplink <==> 500mW 436.797MHz Downlink [TOPR] TOPR State 3: 60 Digital Med = NO Uplink ==> 500mW 436.797MHz AFSK Downlink [TOPR] TOPR State 4: 1420 OFF = Transmitters are turned off [TOPR] TOPR State 5: 60 OFF = Transmitters are turned off [TOPR] TOPR State 6: 20 OFF = Transmitters are turned off [TOPR] TOPR State 7: 20 OFF = Transmitters are turned off
spectrum FM transponder (voice and data transmission)