Apollo Spacecraft S Band Communication System, Part 22—Colour TV from the Moon

How did NASA send colour television from the surface of the Moon? It wasn’t easy, involving a high gain antenna deployed by the astronauts, a spinning colour wheel in the camera, a tricky modulation scheme to squeeze the signal into the limited bandwidth of the LEM transmitter, and two giant 64 metre antennas on the Earth.

Also, the story behind the accidental destruction of Apollo 12’s television camera by pointing it at the Sun.