[TowerTalk] Remote switch

[Richard (Rick) Karlquist]

On 10/25/2019 9:26 AM, Steve London wrote:
> Thanks for the tips on measuring isolation, Wes.
> 
> Measured a few switches I had laying around. Old B&W round switch. 70 dB 
> @ 3.5 MHz, 60 db at 28 MHz. Not bad, considering. Array Solutions 2 
> antenna Stackmatch. 45 dB @ 14 MHz. Hmmm.
> 
> 73,
> Steve, N2IC

The legacy switches like the B&W shorted the unused ports
to ground as a "lightning protection" feature.  There was
some switch advertised as "Protax" that had this.
I believe for a wafer switch like this, it basically costs nothing
to do it.  With relays, it does cost something.

Rick N6RK