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Poor SWR from a K40 with a 57.25 whip

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gas54

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Dec 28, 2013
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Greenville Texas
I bought a brand new K40 and I can't get a decent SWR. I put my old K30 back on and it is fine. Any suggestions?
 

jonwienke

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Don't double-post?

Is it in the same location? Same mount/coax? You're not giving enough info to answer your question.
 

tripplenickel

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Jun 4, 2013
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Location
monroe, georgia USA
Assuming NEW antenna with coax, you may have to shorten the whip if going UP does no good. I would do it in small increments. JMHO.
tripple nickel aka 555 (dx)
 

copperhd

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Jun 25, 2008
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K40 problems

I use to have K40's until they started to develop problems after the first year, I had three (all magnet mounts) & all of them developed a hair-line crack around the coil where the whip is inserted. This happened on all three just when the warranty was up. I then went to the Wilson 1000 and never had any more problems. You may have just got a "stinker" to begin with, but there is something inheirintly wrong with their patented "air coil" design in my opinion. They work great when they work, they just don't last me long.
 
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