Media Summary: We bring up one more NASA test equipment box that takes care of all the subcarriers. Our AGC is restored just in time for the 50th anniversary of the lunar landing. It goes on tour, featured at several celebration events ... We demonstrate a locked bidirectional link between Earth and our

Apollo Comms Part 24 Interface - Detailed Analysis & Overview

We bring up one more NASA test equipment box that takes care of all the subcarriers. Our AGC is restored just in time for the 50th anniversary of the lunar landing. It goes on tour, featured at several celebration events ... We demonstrate a locked bidirectional link between Earth and our We back out the last remaining modification from our NASA receiver and return it to its original Important step to get right! We figure out the 120V 400 Hz 3 phase power connections and the power supply control relays from ... 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 Barely a year after the first black and white TV transmission from the Moon, NASA upgraded it to color. This is how this was done, ... Can we just swap the crystal to revert our test receiver to its original

Photo Gallery

Apollo Comms Part 24: Interface Simulator bring up
Apollo Guidance Computer Part 24: the restored AGC does Moon landings in front of its creators
Apollo Comms Part 6: First tone transmission, to the Moon and back!
Apollo Comms Part 34: Trying every function of the Apollo command system
Apollo Comms Part 29: Downvoice
Apollo Comms Part 4: Transponder power up preparation, and more original equipment found.
Apollo Comms Part 35: PCM Telemetry - Power Up
Apollo Comms Part 1: Opening the S-Band Transponder and Amplifier
Apollo Comms Part 2: Inside the Traveling Wave Amplifier
Apollo Comms Part 22: How NASA Upgraded the Moon TV to Color
Apollo Comms Part 10: Apollo SDR reboot and first voice transmission!
Apollo 13 - Powerdown, PTC & CO2 (Full Mission 24)
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Apollo Comms Part 24: Interface Simulator bring up

Apollo Comms Part 24: Interface Simulator bring up

We bring up one more NASA test equipment box that takes care of all the subcarriers.

Apollo Guidance Computer Part 24: the restored AGC does Moon landings in front of its creators

Apollo Guidance Computer Part 24: the restored AGC does Moon landings in front of its creators

Our AGC is restored just in time for the 50th anniversary of the lunar landing. It goes on tour, featured at several celebration events ...

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

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 29: Downvoice

Apollo Comms Part 29: Downvoice

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

Apollo Comms Part 4: Transponder power up preparation, and more original equipment found.

Apollo Comms Part 4: Transponder power up preparation, and more original equipment found.

Important step to get right! We figure out the 120V 400 Hz 3 phase power connections and the power supply control relays from ...

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 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 22: How NASA Upgraded the Moon TV to Color

Apollo Comms Part 22: How NASA Upgraded the Moon TV to Color

Barely a year after the first black and white TV transmission from the Moon, NASA upgraded it to color. This is how this was done, ...

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 13 - Powerdown, PTC & CO2 (Full Mission 24)

Apollo 13 - Powerdown, PTC & CO2 (Full Mission 24)

Please read this description:

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