You never know what is going to turn up here at the play night. Colin (M0NLP) turned up with this piece of kit. Brand new still in its original box purchased just after World War II as surplus. It’s been packed away in a loft for over 65 years.
What is it?
An RT-7/APN-1
Radar Altimeter, 420-460 MHz, Doppler frequency shift, dual scale meter 0-400 and 0-4000 feet, TO AN 16-30APN1-4, Output 0.1 W, 14 or 28 VDC, Major components
The RT-7/APN-1 is a Transmitter-receiver, part of the system.
Neil (M0ZEY) had a FM receiver kit that was not working. We had a quick look but could not get it to work.
We are always up to something each Monday.
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