Media Summary: We return our modified NASA transmitter and receiver to their original We open up the Up Data Link box, which was the remote control box for the spaceship, and power it up for the first time. We open the microwave transponder and amplifier that brought you TV from the Moon, and explain the

Apollo Comms Part 32 Breaking - Detailed Analysis & Overview

We return our modified NASA transmitter and receiver to their original We open up the Up Data Link box, which was the remote control box for the spaceship, and power it up for the first time. We open the microwave transponder and amplifier that brought you TV from the Moon, and explain the We take a closer look at the S-Band power amplifier from the We build a Phase Locked Loop (PLL) FM demodulator for extracting the We fix our Updata Link Test box by solving the mystery of the missing analog components. We X-ray mysterious Motorola modulesĀ ...

We need to figure out where over 650 inputs should hook up to our We take a closer look at the S-Band transponder from the

Photo Gallery

Apollo Comms Part 32: Breaking the Updata Link Code
Apollo Comms Part 35: PCM Telemetry - Power Up
Apollo Comms Part 13: We successfully repair both our NASA transmitter and receiver!
Apollo Comms Part 33: Is there something wrong with our NASA Up Data Link transmitter?
Apollo Comms Part 10: Apollo SDR reboot and first voice transmission!
Apollo Comms Part 31: UDL Grand Opening and Power Up
Apollo Comms Part 34: Trying every function of the Apollo command system
Apollo Comms Part 1: Opening the S-Band Transponder and Amplifier
Apollo Comms Part 2: Inside the Traveling Wave Amplifier
Apollo Comms Part 30: We explain and debug modern (CD4046B) and vintage (Apollo) PLL circuits.
Apollo Comms Part 18: Solving the mystery of NASA's Updata Link box missing parts
Apollo Comms Part 36: PCM pinout discovery saved by "SCE to AUX"
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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 35: PCM Telemetry - Power Up

Apollo Comms Part 35: PCM Telemetry - Power Up

We look inside and power up the

Apollo Comms Part 13: We successfully repair both our NASA transmitter and receiver!

Apollo Comms Part 13: We successfully repair both our NASA transmitter and receiver!

We return our modified NASA transmitter and receiver to their original

Apollo Comms Part 33: Is there something wrong with our NASA Up Data Link transmitter?

Apollo Comms Part 33: Is there something wrong with our NASA Up Data Link transmitter?

In the last

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 31: UDL Grand Opening and Power Up

Apollo Comms Part 31: UDL Grand Opening and Power Up

We open up the Up Data Link box, which was the remote control box for the spaceship, and power it up for the first time.

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 1: Opening the S-Band Transponder and Amplifier

Apollo Comms Part 1: Opening the S-Band Transponder and Amplifier

We open the microwave transponder and amplifier that brought you TV from the Moon, and explain the

Apollo Comms Part 2: Inside the Traveling Wave Amplifier

Apollo Comms Part 2: Inside the Traveling Wave Amplifier

We take a closer look at the S-Band power amplifier from the

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 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 modulesĀ ...

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 3: Inside the S-Band Transponder

Apollo Comms Part 3: Inside the S-Band Transponder

We take a closer look at the S-Band transponder from the