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Recent content by RK20

  1. RK20

    A friend's station work in progress.

    There's enough going on out there.
  2. RK20

    Pitting current techs to old techs...

    The whole thing about 'your old techs' 'my new techs', certificates, degrees, licences and on and on is like a reverse-engineering a bowl of spaghetti. A standard person knew at one point how good or bad an individual bowl of spaghetti was. Once it has been analyzed by running it through the...
  3. IMG_20230318_101558502.jpg

    IMG_20230318_101558502.jpg

    250THs, 100THs - good 40's tubes found on shelf in a room - cleanout.
  4. You were told to go BEFORE we left.png

    You were told to go BEFORE we left.png

    But again, you did not listen.
  5. ecuador_transmitter-straightened.jpg

    ecuador_transmitter-straightened.jpg

    Transmitter in Ecuador
  6. vlcsnap-2020-11-22-22h00m21s120.png

    vlcsnap-2020-11-22-22h00m21s120.png

    control panel
  7. RK20

    RK20

    Pictures of radios, antennas, equipment, etc.
  8. IMG_20240210_155912.jpg

    IMG_20240210_155912.jpg

    822's antennas: CB, VHF air band, cellular, UHF air band, 2M ham, scanner.
  9. RK20

    bearfootIII base tube amp ...transformerless!!!!read on(pic)

    An old transformerless "KW in a suitcase" article in one of the mags. Transformerless HV, 6.3V transformer for the nine 6DQ6 heaters.
  10. RK20

    Home Ham Shack Rebuild

    Very modern and nice shack!
  11. RK20

    How exact must Tetrode Screen Voltage be?

    Screen voltage being exact is not as important as it being stable over the audio cycle. Variations in screen voltage will modulate the RF power output. A regulated screen voltage supply is a good thing if possible.