5 ms·

FWIW, Apollo astronauts used "over" and "out" independently (never in conjunction) which is still the protocol for maritime radio: https://en.wikipedia.org/wiki

by sehugg 8y ago

FWIW, Apollo astronauts used "over" and "out" independently (never in conjunction) which is still the protocol for maritime radio: https://en.wikipedia.org/wiki/Procedure_word https://en.wikipedia.org/wiki/Procedure_word