Louis Staalberg wrote:
>Dene Collett wrote: > > > >>My question was whether the SWR meter that I have used on CB freq was >>able to do airband freq as I was always under the impression that it >>didn't care >>what freq passed through it. >> >> > >SWR meters *do* care about the freq. The Bird Watt meter has many >inserts >for different frequency ranges.If your SWR meter is a commercially >available >meter it should specify the frequency range. > >They also have a "sensitivity" in other words how low or how high a >power >can be measured. > >If you are handy with electronics, you could fabricate a "field strenght >meter". >A small box with, a small antenna, inside the box a tuned circuit to the >frequency you are using, a diode rectifier and a capacitor and measure >the >voltage across the capacitor with a sensitive voltmeter . >Put the instrument away from your antenna, say 10 meters or so, >as long as you get a deflection of the needle and simply tune for >maximum. >Good luck. > > > > I agree completely with Louis.... I'm only a technical class amateur radio operator, but this basic principle was part of our study material. -dave KB8SSA