Media Summary: We rebuild the missing the data decoder and recreate a live Houston controller screen. We need to figure out where over 650 inputs should hook up to our We fix our Updata Link Test box by solving the mystery of the missing analog components. We X-ray mysterious Motorola modules ...

Apollo Comms Part 38 Return - Detailed Analysis & Overview

We rebuild the missing the data decoder and recreate a live Houston controller screen. We need to figure out where over 650 inputs should hook up to our We fix our Updata Link Test box by solving the mystery of the missing analog components. We X-ray mysterious Motorola modules ... Marcel rescued a mystery box from the scrapper. Says "Up-Data" on it, we think it's from the It's aliiive! We very cautiously turn on our transponder for the first time. We back out the last remaining modification from our NASA receiver and

Can we just swap the crystal to revert our test receiver to its original We demonstrate a locked bidirectional link between Earth and our

Photo Gallery

Apollo Comms Part 38: Return of the AGC (we hook up our Apollo Guidance Computer to our comms setup)
Apollo Comms Part 39: Rebuilding the digital data demodulator
Apollo Comms Part 25: Apollo-HP Nixie Space Clock
Apollo Comms Part 36: PCM pinout discovery saved by "SCE to AUX"
Apollo Comms Part 18: Solving the mystery of NASA's Updata Link box missing parts
Apollo Comms Part 9: Mystery Up-Data Link Test Set
Apollo Comms Part 10: Apollo SDR reboot and first voice transmission!
Apollo Comms Part 5: Transponder first power on.
Apollo Comms Part 37: Apollo's weirdest (but genius) analog circuit
Apollo Comms Part 29: Downvoice
Apollo Comms Part 35: PCM Telemetry - Power Up
Apollo Comms Part 8: Which Crystal?
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Apollo Comms Part 38: Return of the AGC (we hook up our Apollo Guidance Computer to our comms setup)

Apollo Comms Part 38: Return of the AGC (we hook up our Apollo Guidance Computer to our comms setup)

We hook up the AGC to our

Apollo Comms Part 39: Rebuilding the digital data demodulator

Apollo Comms Part 39: Rebuilding the digital data demodulator

We rebuild the missing the data decoder and recreate a live Houston controller screen.

Apollo Comms Part 25: Apollo-HP Nixie Space Clock

Apollo Comms Part 25: Apollo-HP Nixie Space Clock

We power up

Apollo Comms Part 36: PCM pinout discovery saved by "SCE to AUX"

Apollo Comms Part 36: PCM pinout discovery saved by "SCE to AUX"

We need to figure out where over 650 inputs should hook up to our

Apollo Comms Part 18: Solving the mystery of NASA's Updata Link box missing parts

Apollo Comms Part 18: Solving the mystery of NASA's Updata Link box missing parts

We fix our Updata Link Test box by solving the mystery of the missing analog components. We X-ray mysterious Motorola modules ...

Apollo Comms Part 9: Mystery Up-Data Link Test Set

Apollo Comms Part 9: Mystery Up-Data Link Test Set

Marcel rescued a mystery box from the scrapper. Says "Up-Data" on it, we think it's from the

Apollo Comms Part 10: Apollo SDR reboot and first voice transmission!

Apollo Comms Part 10: Apollo SDR reboot and first voice transmission!

We use an SDR radio to talk to our

Apollo Comms Part 5: Transponder first power on.

Apollo Comms Part 5: Transponder first power on.

It's aliiive! We very cautiously turn on our transponder for the first time.

Apollo Comms Part 37: Apollo's weirdest (but genius) analog circuit

Apollo Comms Part 37: Apollo's weirdest (but genius) analog circuit

In this brain numbing

Apollo Comms Part 29: Downvoice

Apollo Comms Part 29: Downvoice

We back out the last remaining modification from our NASA receiver and

Apollo Comms Part 35: PCM Telemetry - Power Up

Apollo Comms Part 35: PCM Telemetry - Power Up

We look inside and power up the

Apollo Comms Part 8: Which Crystal?

Apollo Comms Part 8: Which Crystal?

Can we just swap the crystal to revert our test receiver to its original

Apollo Comms Part 6: First tone transmission, to the Moon and back!

Apollo Comms Part 6: First tone transmission, to the Moon and back!

We demonstrate a locked bidirectional link between Earth and our