At 06:16 PM 2/25/03 +0100, Mikael Larsmark wrote:
>I wonder what kind of relays should I pick when building antenna
>switches. The coax relays are to expensive so that is not an option.
>I have actually used car relays for a while and they seem to work
>quite ok. I would like to know though what ratings should I suppose
>to look after? How many amps, the width between the "connectors"
>etc. should they handle? Of course this depends on how much
>SWR and power I'm using but if I say that they should handle
>1.5kW and an SWR of 2:1, atleast!?!
The relays used in the TopTen relay box, which has quite a good reputation
among contesters, are NAiS JW1FSN, 12VDC coil, with contacts rated 10A @
250 V AC. They cost ~ US$2 from the usual suppliers in the US.
73, Pete N4ZR
The World HF Contest Station Database was updated 23 Feb 03.
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