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Opposite Voltages Fed Two Element Array


Both elements are voltage driven, in opposite phase ,from the feedpoint of element 1 driven there is a 1/2 wavelength cable electrical wavelength to the feedpoint of element 2 reflector
post 09 Apr 2024
Opposite Voltages Fed Two Element Array

Antenna Vertical Links

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Vertical HF multiband antenna V8
Height 6,5m Impedance in point of power supply 50 Ohm SWR 1.5:1 or less Power limit: 1000W Bandwidth at 2:1 SWR and less ? on 10M, 12M, 15M, 17M, 20M, 30M and 40M - whole band on 80M - 80 kHz

Verticale per 14 mhz
La bobina dicarico e'costituita con un filo di rame, 9 spire del diametro di 0,8

Verticale per i 40 - 17 metri
I risultati migliori si ottengono con un buon piano di terra formato da 10 o meglio 20 radiali

HF Exponential Cage Antenna
Wire skeleton structure with 8 vertical wires


Antenna switch arduino for icom IC-7300

Antenna switch arduino for icom IC-7300 A solution built around an arduino nano and one of the readily available four relay switching boards

Satellite Antenna Rotator Controller and TRACker

Satellite Antenna Rotator Controller and TRACker ARCTRAC is a portable integrated satellite tracking system

Duplexer 2m-70cm

Duplexer 2m-70cm- Usare un'antenna bibanda 2/70 con due radio separate V/UHF, usare due antenne separate V/UHF con una singola radio bibanda