[Boatanchors] Simple Relative Power Meter Circuit Needed

[Al Klase]

Mike,

I'd suggest building a simple current transformer to measure RF current 
going to the antenna.
Something like this: https://www.w8ji.com/building_a_current_meter.htm

73,
Al

ARK Sig Block Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/
On 8/8/2022 6:51 PM, Michael D. Harmon wrote:
> I have an old Swan 350 that I'm rebuilding.  The meter has two scales 
> - receiver "S" meter and transmitter cathode mA.  I'd like to add a 
> simple RF pickup inside the cabinet so I wouldn't have to use an 
> external wattmeter for tuneup.  I figure some kind of a simple diode 
> pickup in the RF cage and a sensitivity control fed to a switch on the 
> front panel so I could switch the meter from "Plate Current" to 
> "Relative Power Output" mode.  I don't need a calibrated wattmeter - 
> basically just a field-strength meter feeding the meter switch.
>
> Does anyone have a better idea?  What about the guts of an old 
> Heathkit field-strength meter repurposed for the task?
>
> Suggestions and tips welcome.
>
> Mike, WB0LDJ
>
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