So I noticed my receive would audibly and visually (on the S meter) increase after keying the radio after allowing the radio to sit without keying for a while. Come to find out the spring on my 102" whip was faulty - removed the spring and no more issue. Just another quirky deal that I thought might help someone troubleshoot a similar issue.
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Faulty Spring
- Thread starter JCH
- Start date
Are you going to replace the spring?
After all, you just changed the resonant antenna length . . .
After all, you just changed the resonant antenna length . . .
that is why i use a military/government surplus spring the wire that runs inside the spring will last a long time,,,,,bought 2 at state auction about 30 years ago,,, one still mounted on my ranger the other put away just in case
Yeah I found the antenna and spring on a gas well location, it's a nice stainless spring that I've used for a few years before it went bad, no complete short or change in swr with the spring in line. Just weird decreas in receive. Thanks to the knowledgable folks on this site I was able to figure resonant length and knew I was a bit long from the get go.
most spring have a wire on the inside .... if wire rust or breaks it will do like your problem,,,,cheap springs usually have this problem,,,,chrome springs usually,,, my springs are not chromed they are zinced or galvinized the best i can figure.....they are very heavy,,,and dont let the antenna lay back in the wind like some springs....