> Hits 

SWR meter kit


Several years ago I built one to a design by G3WPO that was sold as a kit by Cirkit. It worked quite well, but it contained numerous trimmers that needed adjusting from time to time to maintain the accuracy
post 30 Mar 2024
SWR meter kit

Swr Meter Links

83



Externe s-meter for YAESU FT-857 EN FT-897
FT-857 has the ability to connect an analog instrument

HF + 6m LCD RF Power and SWR meter 1500W
Si tratta di un semplice ma efficiente sistema di misura con display LCD della potenza RF diretta

RF measuring bridge for the standing wave alignment
bridge circuit for standing wave measurement has the advantage that only small RF

Homemade UHF SWR meter
Below you can see my homemade VSWR for UHF


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