OSS – Transmitter & Receiver, Historical WWII Instructional Video

In preparing for our club’s ham cram this weekend I went searching for videos that described the transmit-recieve switch used in radios before the age of transcievers.  I couldn’t find any…so basically left the slide I was working on empty. 

Today, while listening to Hamnation…I discovered a link to Central Electronics which also had historical videos…one of those videos led me to here:


I think this is a pretty good overview…but doubt I will use this in my class this weekend.


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