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20 meter wire j pole


1/4 matching stub 450 ohm ladder line,coaxial choke balun deed assembly
post 23 Feb 2024
20 meter wire j pole

Antenna Vertical Links

188



Antenne Verticale raccourcie 40/80m
Vertical antenna shortened 40 / 80m the radiating part of the antenna is constituted by a telescopic mast stayed. Capacitive cap

Screwdriver antenna basic
A Screwdriver is a motorized antenna that extends and retracts, shorting a coil, which adjusts the length of the antenna as it is tuned

BigIR assembly
Below includes a few pictures of my assembly process along with some updated notes and area that are going to be stumbling blocks for anyone trying to put one together

BigIR MK III Vertical with 80 meter coil
The antenna does well on all bands including 60 meters. The SWR is low enough that I don't need to use the antenna tuner

Butternut HF2V 40/80 Meter Vertical
I bought this antenna used, but in new condition, at the moment I'm using 40 radials 11 meters long


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