Counterpoise 2.0: Another Attempt

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4 Responses

  1. I don’t think that you describe the test properly. What was the control mechanism? You just rode a bike until the squelch was barely able to be broken and THEN set the counterpoise?

    What antennae did you try? Just the rubber duck that came with the radio? Did you try other antennas for reference?

    There’s not enough information to just blow it off as a “myth busted”.

    I have used a “tiger tail” with a telescopic antenna and noted an increase in signal reception and improved signal into various repeaters. Granted this was years ago. I had an HTX-202 with an Anli antenna and used it with and without the counterpoise and noted a better signal with than without.

    Of course different results from different radios and antennas so your mileage may vary.

    • No, I didn’t and I’m getting clobbered over on Facebook for it. I plan to recreate the test using an analyzer and mark it out a little more academically for everyone.

  2. Craig says:

    I have made a 1/4 wave wire and it did increase my signal using a 1/4 radiator. With and with out same spot , same height.

    Where are you getting -20db?

    In my case I did two different ht’s both had a full 1/4 wave antennas.
    How did your measure standing waves?

    One test I did was on top of a mountain top with a line of sight nearly contact. Also facing the direction that i wanted to communicate in.

  3. a ham says:

    What you need to do (and I should do but I don’t know where to post the results) is use an “antenna analyzer” (or, in my case, a MiniVNA Pro SWR or Return Loss mode), screw your antenna on to it, and record your measurements without and with the tail. Your radio may have more or less metal and plastic but as long as you’re not holding it at the time it won’t make a difference. (You DO know the radio is already using YOU as a counterpoise, right?)

    Admittedly, using my MiniVNA Pro gives me an advantage because of the Bluetooth as I can stand away from it and capture the measurements and then hold it (by the connector, probably) to simulate the “human counterpoise”. Even though the case is plastic, the board seems to be resistant to the effects of objects like hands being near it.

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