Greetings, all-

 

Here is a small tidbit of possibly useful information in this period of low 
sunspot activity, which probably everybody but me knew anyway.

 

The PAR EndFedZ is a popular backpacking or portable semi-QRP (25 watts 
maximum) multi-band antenna covering 40, 20, and 10 meters. (It will also cover 
30, 20, and 10 if the wire "stinger" is shortened.) Being a half-wave antenna, 
no radials are needed.

 

I found that if both sides of the coax coming out of the PAR matchbox are tied 
together and treated like a random wire, the internal tuner in my Icom IC-703 
would match it on 80 meters, with a resulting SWR of 1.2. I used about a 34 ft. 
counterpoise with this setup. I'm looking forward to seeing if the internal 
tuner in my KX-1 with the forthcoming 80 meter board will also match it. 

 

The IC-703 was unable to get a match on the WARC bands or on 15 meters. Sorry. 
I think a more robust tuner could probably match those bands as well. An 
experiment for another day.

 

73, Grif, KF4JG
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