Sunday, July 12, 2015

Hf radio build.

Father's Day present was a 20m hf radio kit.

http://www.ozqrp.com/MST2index.html








And now the housing hardware is on order and I am starting to design a tuner for the device...

Proceeding to box it up after the hardware arrived...


It's not easy to cut square holes with a Dremel.

But the power up test blows fuses.  That's odd.   After digging around my irf510 power fet has essentially zero resistance between drain and body and I had grounded it to the frame..

 Insulating washers and now the calibration process...


Now to wait for a microphone to be delivered...

Well apparently also replacing the irf510 that didn't like being shorted to the case.

Aligned and finished.  5 watts of power.



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