That makes sense. I wonder if the ground crew could trick the ground receiver into un-muting the audio from the shuttle so that they can listen in on what's going on.
Jeff, KB1SPH / WQEX694 -------------------------------------------------- From: "Martin Flynn" <[email protected]> Sent: Tuesday, July 13, 2010 11:16 PM To: <[email protected]> Subject: Re: [Repeater-Builder] Re: question for commercial radio shops > Spacecraft systems are full-duplex. The purpose of the "Quindar tones" > was to mute the uplink audio when Houston had nothing to say. > > ka9qjg wrote: >> >> >> Meant a lot to the First Astronauts with Communications that is how >> it got started I think , I forget if it was a Pre or after Transmission >> >> Don >> >> KA9QJ >> > > > ------------------------------------ > > > > Yahoo! Groups Links > > >
