Topband: Arching Prevention

SM6CNN sm6cnn at telia.com
Thu Nov 10 17:49:07 EST 2005




> > While on 160, the open contacts across the 80 meter relay arch,
> > interfering (albeit intermittently) with 160 meter operation at the kw
> > level.
>
> I had the same problem, to the point where it burnt up my relays and the
> inside of the relay box completely.  I tried using vacuum relays and the
> array solutions relays.  The vacuum relays at least lasted a few days.
The
> array solutions relays didn't last a few minutes.
>

I am using the Lannabo 160/80m vertical, www.lannabo.se .
The switching is made using two solenoids moving a very sturdy
contact arrangement achieving about a 10mm gap. No arching
with 1kW output.

73
Andy SM6CNN





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