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Radio Shack 21-521 Meter/2 antenna switch

B

Blackpaw

Member
May 7, 2011
63
5
18
SW Costal ME
Hello

I came across this on fleabay SWR Meter and see that you can do basic SWR readings (no power) and has 2 PL259s for 2 antennas and one for the radio with a switch. I was wondering if it could be used in reverse, 2 radios and 1 antenna. Would running it backwards damage the swr circuit? Thanks for any tips!
 

You could run it backwards but the FWD/REF switch will need to have the wires reversed. If you don't the meter will read SWR in the FWD position and you will need to calibrate it in the REF position. All you would need to do is open it up and swap the two wires on the switch.
 
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