[UK-CONTEST] Remote antenna switching RELAYS?

[Deni, F5VJC]

I'm thinking to construct a remote antenna switch, sending a DC control 
voltage over a common coax feed to switch between two (or more) 
antennas. Can anyone suggest a source of good relays currently available 
for this purpose. The antennas will be used for both TX and RX so will 
be carrying up to 500W on TX.

-- 
73, Deni
F5VJC

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