Be very careful to wash the antenna, insulators and exposed coils and
connections with fresh water and dry them after each use. It only takes a
couple of hours to build up a layer of conductive salt crust on any exposed
surface, even when it's way above the water line. That "bracing" salt air
you smell everywhere is suspended droplets of salt water looking for things
to condense upon. 

On old MF radio installations on large ships, the antenna feed-through
insulators above the radio room up at or above the navigating bridge level
(near the very top of the "house" on a ship) and were usually six inches or
so around and a foot or more long, with all the ripples to make the surface
distance from the hot lead to the ship as long as possible. Still, it was a
necessary duty for Sparky to constantly clean them or the salt accumulation
would short the RF right to ground.


Ron AC7AC 



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