Old Stuff – Broadcasting

All About FM

This week we have a couple of documents from the early 1940’s explaining FM. At this time FM was very, very new. It had the benefit of reducing the noise one would hear on AM. A lot of work went into convincing the world that FM was the way of the future.

1941-All about FM (3 MB)
1941-GE FM Primer (4 MB)

AM Broadcast Transmitters

Some classic (and one BIG) broadcast transmitters.

Raytheon RA-250 Popular with 250 watt small town, low budget stations (1.2 MB)
Bauer 707 Popular with the 1KW day / 250 night stations. Offered as a kit! (2 MB)
Continental 105C A 1,000 KW transmitter! (8 MB)

The Story of Stereo 1960

From 1960 the story of stereo from having two ears to stereo LP’s and FM!
The Story of Stereo 1960 (8 MB)