Repair a X300 Antenna

I had a X300 antenna a long time, and on one day the SWR goes up and it doesn’t work any more. I open it and try to find the problem.

The open X300 in Parts

This capacitor was the problem. I changed it and it works again.

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10 thoughts on “Repair a X300 Antenna

  1. Hello!
    In order to repair my x-300 antenna I would like to know the capacitor value located
    near the antenna base.
    many thanks
    Avraham Sela 4z1iz

  2. Hi Donald.

    Can you please tell me the value of UHF session on top of antenna, a friend have this completely burned.
    If you can help may thanks in advanced

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