Apollo end of transmission bleeps - collectSPACE: Messages

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Apollo end of transmission bleeps

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Author	Topic: Apollo end of transmission bleeps
compass Member Posts: 42 From: uk Registered: May 2007	posted 10-21-2007 08:37 AM When listening to the audio clips from the Apollo Lunar Surface Journal transcripts there is no tone or bleep after each transmission (the second or so of time taken for the radio transmission to be received) when the crew are in the LM preparing for EVA, however when conducting EVA on the surface there is an end of transmission (TX) bleep... does anyone know why?
nasamad Member Posts: 2141 From: Essex, UK Registered: Jul 2001	posted 10-21-2007 09:26 AM Compass, I believe this webpage may have the answer for you. Adam
kr4mula Member Posts: 642 From: Cinci, OH Registered: Mar 2006	posted 10-22-2007 12:09 PM I seem to remember Glen Swanson researching this when he was the historian at JSC. I think he talked to one of the actual comm guys about the equipment. Perhaps it appeared as an article in Quest magazine at some point? I don't know if Glen checks Collectspace or not, but you could ask him if anyone here has his contact info. I don't. Cheers, Kevin
nasamad Member Posts: 2141 From: Essex, UK Registered: Jul 2001	posted 10-22-2007 03:27 PM Glen goes under the username "nasaworm" on ebay so you could contact him via that. Otherwise there is a background article that Glen wrote for the Mission Transcript Collection a few years ago. Adam

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