Absolutely correct. And a double-throw knife switch is best. The center, or
knife, is connected to the antenna. One side goes to the station, and the other
side is grounded. I personally prefer to put my spark gaps on the station side
as near to the station entrance point as practical, in keeping with close to a
good earth ground
Dave
WA3MKB
-------------- Original message --------------
From: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>
> Yes, but with a knife switch one can't operate and be protected at the same
> time. With the spark plug arrestor operation continues with protection.
> The knife switch is best when one is away from the station. That presumes
> one does not forget to close it when securing the station. Also, the knife
> switch should be located outside of the structure for added safety.
>
> 73
> Bob, K4TAX
>
>
> ----- Original Message -----
> From: "Lyle Dunlap"
> To: "Discussion of Ten-Tec Equipment"
> Sent: Monday, April 14, 2008 7:15 AM
> Subject: Re: [TenTec] Ten Tec 238A settings?
>
>
> > One can use all sorts of spark plugs & things to drain off those little
> > sparkies mother nature puts out, however its hard to beat a DPDT heavy
> > knife
> > switch.
> > For over 25 years I had a 3 wire Rhombic up 375 ft on a leg and with 4500
> > feet of wire basically in the form of a capacitor you can have your own
> > fireworks display. Go with a knife switch.
> >
> > Lyle W9FCX
> >
> > _______________________________________________
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> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
> >
>
>
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