Are you sure? There are some beacons by the IARU [0] - across the world - that one after the other transmit their callsign. It can be used to test reception and

Are you sure? There are some beacons by the IARU [0] - across the world - that one after the other transmit their callsign. It can be used to test reception and it can be a challenge to receive a signal from 100s of kilometers away without a repeater. [0] http://www.iaru.org/beacon-project.html http://www.iaru.org/beacon-project.html