[Elecraft] [w2/K3] High SWR
Don KA1KU
thompsondd45 at gmail.com
Fri Nov 9 07:46:09 EST 2012
Thanks for your insight on this. I had no idea the SWR would be so high on
the G5RV although I was aware of these characteristics in general.
I just did some checks across 20 meters and I get a SWR of 4 on the W2. The
chart you sent indicates 2+ but not sure if I should expect that. This is a
Full size G5RV at 45 feet feed with 31 feet of 450 ohm ladder line and about
90 feet of 50 ohm coax to shack.
With the new W2, first I wondered if it was working correctly. I think it
is. Second, is something wrong somewhere in my antenna system? Looks like
the high SWR is to be expected except perhaps on 20M. Does the SWR of 4
indicate a problem somewhere?
Lastly, about the power reading of the W2. With power set at 5.0 on K2/K3
the W2 reads 8 and 10 respectively. With power at 10.0 the W2 reads 15 and
17. This seems like a lot of difference. Could it be the K's are that much
out of calibration? Is the W2 reading wrong? What else? Maybe the K's are
just creating a lot of energy!
Thanks for all your help on this.
-----
73,
Don KA1KU
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