After 15 years, a pair of PL-259 connectors have seized on mating SO-239
jacks used on an outdoor RF choke. Is there anything more suitable than
Penatrox-A which is Au/Cu rated? Ideally, I'd like to apply a synthetic +
conductive grease on the mating SO-239 threads.
Unrelated, but while investigating the coax connectors, the LMR400-Ultraflex
cable I installed about 15 years ago has started to decompose. At the time
of installation, I knew the Ultraflex version has a shorter life span but
wasn't expecting such severe decomposition. The jacket is crumbling due to
its rubber composition. This past weekend, I replaced it with gelled
LMR400-DB for direct burial, but it's installed above ground. Like the
original LMR400, the DB version has a rugged polyethylene (PE) jacket.
Paul, W9AC
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