4 ms·
They could be cryptographically signed as the BBC Radio 4 LW carrier is phase modulated with a datastream that can be used for remotely controlling electrical e
by PoachedSausage 7y ago
They could be cryptographically signed as the BBC Radio 4 LW carrier is phase modulated with a datastream that can be used for remotely controlling electrical equipment [0].
[0] https://en.wikipedia.org/wiki/Radio_teleswitch https://en.wikipedia.org/wiki/Radio_teleswitch