Before revision: A beacon was left on the moon by the last Apollo mission, transmitting FSK telemetry on 2276.0 MHz Driftnet buoy radio beacons Driftnet radio buoys are extensively used by fishing boats operating in open seas and oceans.
After revision: A beacon was left on the Moon by crew of Apollo 17, the last Apollo mission, transmitting FSK telemetry on 2276.0 MHz Driftnet buoy radio beacons Driftnet radio buoys are extensively used by fishing boats operating in open seas and oceans.