Media Summary: 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

Apollo Comms Part 35 Pcm - Detailed Analysis & Overview

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 We rebuild the missing the data decoder and recreate a live Houston controller screen. We build a Phase Locked Loop (PLL) FM demodulator for extracting the We back out the last remaining modification from our NASA receiver and return it to its original

Photo Gallery

Apollo Comms Part 35: PCM Telemetry - Power Up
Apollo Comms Part 36: PCM pinout discovery saved by "SCE to AUX"
Apollo Comms Part 25: Apollo-HP Nixie Space Clock
Apollo Comms Part 34: Trying every function of the Apollo command system
Apollo Comms Part 32: Breaking the Updata Link Code
Apollo Comms Part 38: Return of the AGC (we hook up our Apollo Guidance Computer to our comms setup)
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
Restoring the Apollo comms system: Marc Verdiell - (Curious Marc)
Apollo Comms Part 39: Rebuilding the digital data demodulator
Apollo Comms Part 30: We explain and debug modern (CD4046B) and vintage (Apollo) PLL circuits.
Apollo Comms Part 15: Combining Voice, Data and Ranging
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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 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 25: Apollo-HP Nixie Space Clock

Apollo Comms Part 25: Apollo-HP Nixie Space Clock

We power up

Apollo Comms Part 34: Trying every function of the Apollo command system

Apollo Comms Part 34: Trying every function of the Apollo command system

We finally have our

Apollo Comms Part 32: Breaking the Updata Link Code

Apollo Comms Part 32: Breaking the Updata Link Code

We finally crack the

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 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

Restoring the Apollo comms system: Marc Verdiell - (Curious Marc)

Restoring the Apollo comms system: Marc Verdiell - (Curious Marc)

Restoring the

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 30: We explain and debug modern (CD4046B) and vintage (Apollo) PLL circuits.

Apollo Comms Part 30: We explain and debug modern (CD4046B) and vintage (Apollo) PLL circuits.

We build a Phase Locked Loop (PLL) FM demodulator for extracting the

Apollo Comms Part 15: Combining Voice, Data and Ranging

Apollo Comms Part 15: Combining Voice, Data and Ranging

We demonstrate the full

Apollo Comms Part 29: Downvoice

Apollo Comms Part 29: Downvoice

We back out the last remaining modification from our NASA receiver and return it to its original