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DARC Regular Meeting - February 2004

Spark Gap Transmitters

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This is what a Spark Gap transmitter looked like in the 1920's!
Thanks to Jim Sargent for the wonderful live presentation.
You can see the spark gap at the front right side and the rotating spark gap
at the front in the center.
For every transmitter there needs to be a receiver! This is a 1 tube receiver.
Another shot of the 1 tube receiver
The sparks are flying using the rotating spark gap
Here the sparks are flying on the fixed gap. Just a reminder: the key is very
hot, about 15kV if you touch any metal part... Not a good thing to do!

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