CuriousMarc | Apollo Comms Part 14: Reverse Engineering NASA's Up Data Link test box @CuriousMarc | Uploaded 2 years ago | Updated 2 days ago
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We send digital commands to the spacecraft. We can even hear how they sound!

Apollo Comms Playlist: youtube.com/watch?v=v49ucdZcx9s&list=PL-_93BVApb58SXL-BCv4rVHL-8GuC2WGb

Chapters:
0:00 Intro
2:10 Ken's automated reverse engineering machine
5:32 Ken explains his findings
9:14 Apollo commands explained (with elevator music)
17:02 Examining the sub-bits
20:00 Replacing our missing PSK circuits with HP equipment
23:16 We transmit and hear our first commands!
24:12 Full command sequence transmission
26:27 Outtro

Links to doc:
curiousmarc.com/space/apollo-s-band-communications
virtualagc.github.io/virtualagc/QuestForInfo.html
ibiblio.org/apollo

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