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Very simple wattmeter


Even the simplest wattmeter is better than no wattmeter, I built a very simple
post 15 Mar 2024
Very simple wattmeter

Swr Meter Links

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Build your srtip line SWR METER
To be making a SWR meter, I needed something to test it as I went

Directional Couplers SWR detectors for 145MHz - 435MHz
Several years ago, i needed an SWR-meter/power-meter for use on 145MHz

How's Your SWR?
As everyone knows, the higher your SWR

Automatic SWR meter and semi-automatic tuning unit, F1FRV
With supply 13.8 V, if your SWR bridge detectors output exceeds 11 volts


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

Rx antennas 4Square Rx Vertical Array

Rx antennas 4Square Rx Vertical Array My frequency design of 1.825 MHz a 90 degrees line would be 33,70 metersinstead of the previously calculated 33,27 m

Calculo da Antena Bazooka

Calculo da Antena Bazooka A double bazooka antenna is a combination that has a complete coaxial wave multiplied by its velocity factor and a total end-to-end length of 1/4 wave for each side affected by another driver shortening facto