Violation letter from the H.O.A. and a Coat-Hanger Antenna!
Автор: TechGear Junkie
Загружено: 2020-08-26
Просмотров: 2170
Описание:
I demonstrate a doublet antenna design from the ARRL Book Small Antennas for Small Spaces.
Oh, and I receive a violation letter from my H.O.A. Is it game over for radio operations? Hardly...
https://www.amazon.com/ARRLs-Small-An...
Bonus footage from my attempted activation of El Malpais National Monument. QRP operation.
The doublet antenna is essentially a balanced system and each half of the top plus each wire in the feed line must be equal in length. The antenna top is not cut to resonate at any particular frequency (unlike the half-wave dipole), and any length may be chosen to suit an individual location. The key to the doublet antenna is the form of feeder used. Open wire or balanced feeders are able to operate as part of the actual antenna itself, not just feeding the power from an unbalanced source.
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