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Cushcraft MA5B Noise floor?
"David" wrote in
: .... The only place I didn't put any grease was on the elements were the matching network connects to. I used clear silicon sealant for those. Was it a water based silcone sealant? I have observed high VSWR and noise on an antenna feed that used such, until the stuff had thoroughly dried / cured. It does not seem to be affected by rain since the initial cure. If it was not a neutral cure silicone, perhaps there is something galvanic going on? Owen |
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