[TowerTalk] Was: Getting antennas into the shack. Now: SO2Rantennaswitching

[David Hachadorian]

----- Original Message ----- 
From: "Pete Smith" <n4zr at contesting.com>
To: <wc1m at msn.com>; "'Chuck Chandler'" <chchandler at adelphia.net>; 
<towertalk at contesting.com>
Sent: Monday, March 14, 2005 11:56 PM
Subject: Re: [TowerTalk] Was: Getting antennas into the shack. 
Now: SO2Rantennaswitching


>I would recommend a look at 
><http://www.qth.com/topten/apnote1.htm> which
> explains how this works.  Their A/B selectors have one 
> excellent feature
> which is unique so far as I know, a hardware lockout to prevent
> inadvertently "stealing" an antenna from a radio that is 
> already using
> it.  Once one radio has commanded the A/B switch for a 
> particular antenna
> to either A or B, applying a control voltage to the other 
> terminal will not
> cause it to switch until the first radio releases it.

The Array Solutions Six Pak also has this feature.


Dave Hachadorian, K6LL
Yuma, AZ