[TowerTalk] X99KP 12VDC RELAY FOR AMERITRON REMOTE ANTENNA SWITCHES

[Jim Lux]

W8JI mentioned tat they have form X contacts. That is the two contacts on the armature are bridged permanently, and there's no separate connection to the armature.  Sort of like a rf transfer switch.  Reduces parasitic c from armature to coil, etc.

On Sep 27, 2010, at 10:55 AM, "Rick Karlquist" <richard at karlquist.com> wrote:

> Van K7VS wrote:
>> THE X99KP 12VDC RSCo. SPDT RELAYS ARE MANUFACTURED BY A COMPANY IN CHICAGO
> 
> The company is probably Magnecraft, in my old home town of
> Des Plaines, IL, a suburb of Chicago.  They show some
> nice off the shelf relays for antennas.  Maybe the
> Ameritron has gold plated contacts as a special.  That's
> the only thing I can think of where the OTS relays
> are less than optimum.
> 
> Rick N6RK
> 
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