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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

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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


Take off angle of horizontal antenna

Take off angle of horizontal antenna For horizontal polarization, the electric field will move sideways on a horizontal plane, while for vertical polarization it will oscillate up and down on a vertical plane

Build a Three-Way Antenna Switch and Display

Build a Three-Way Antenna Switch and Displa To use a wireless relay to select one of two high current capacity power relays

5 element yagi antenna for 28.5 Mhz

5 element yagi antenna for 28.5 Mhz Gamma match will be made with a 1/2 "aluminum tube and a 75 cm coaxial piece of RG8 without sock and sheath inside the tube