!!! This is the drawing
from the video. There I had forgotten R1 and R2 in the
oscillator. !!!
Mixer is mini circuits ade-1ask or ade-2ask.
Other mixers that go down in this frequency range work fine.
The oscillator is also mounted here.
Here the receiver is mounted.
And here the Rx/Tx relay and the transmitter's transformer are
mounted.
