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how does marine vhf antenna work?
"RB" wrote in message
.. . Most of our antennas have some kind of counterpoise---a ground plane, radials, etc. This is for the rf in the radiating part to "push" off of. A question is how the common fiberglass marine VHF antennas work. In many installations, there is no visible counterpoise. These antennas are half-wave antennas and they don't need a counterpoise. Only a quarter-wave antenna needs one, to account for the other missing quarterwave part, so to speak. Meindert |
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