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Linear loaded dipole for 40m


7 MHz a standard horizontal dipole requires approximately 66 feet of wire,and with center and end insulators, ap-proaches 68 feet between rope supports
post 27 Mar 2024
Linear loaded dipole for 40m

Antenna 40 Meter Links

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Quarter-Wave Vertical Antenna Length Calculator
a quarter-wavelength antenna is easy and inexpensive to build and can be an effective antenna with a low angle of radiation

High Performance 40 Meters Vertical
This shortened easy-to-build vertical, with no-radials, is made from surplus military

Multi dipoles Indoor
Solution of multidipole in the attic


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