Apollo Comms Part 27: Quindar Tones Microphone Hack

Nothing is more emblematic of the Apollo communications than the Quindar tones, which you hear at the beginning and end of each transmission. In this episode, we hack a cheap commercial microphone to bring it up to NASA standards by adding the tones. After explaining what they do, of course.

Apollo Comms Playlist:    • Apollo Comms Part 1: Opening the S-Ba...  

Project notes and schematics: https://www.curiousmarc.com/space/qui...

Links to doc:
https://www.curiousmarc.com/space/apo...
https://virtualagc.github.io/virtuala...
https://www.ibiblio.org/apollo/

Music Credit: Crinoline Dreams by Kevin MacLeod

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