|[AMRadio] Re: MFJ-815B Watt-Meter with AM |
k4kyv at charter.net
Sat Feb 10 03:02:07 EST 2007
Why not just use a plain old thermocouple rf ammeter? I have never seen two
"ham radio quality" rf output meters that read anywhere near the same. I
have an old Mirage, but I use it mostly as a SWR indicator. It makes a good
relative power output meter, but on some bands it indicates over 90%
efficiency in the final, into a 50-ohm dummy load. I know the transmitter
couldn't be that efficient, so I take its readings with a grain of salt. I
trust the reading I get with my rf ammeter.
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