Amateur Radio Station WB3ANQ

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1 Response

  1. Harold Deitz says: in the UK makes a great single-band, low-pass filter for LF, MF, and all of the HF bands. They are inexpensive and it appears that you really need one. That saw-tooth waveform is full of harmonics. They also make a relay selectable pc-board kit for these filters.

    I love how you have set up that test equipment to work as a truly weak signal transmitter. That is really in the spirit of what WSPR was created for.

    Hal W5GHZ

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