HI Folks, I have a couple of old Top Ten Devices relay boxes; no model number or id is visible on the box. They allow for switching up to 6 different antennas. I do not have, and cannot find any
DX Engineering now owns TTD. If they are just relays, the polarity doesn't matter. Whether you common +12V and ground to select or ground the common and apply +12V to select doesn't matter. Al AB2ZY
Except that TTD usually put back EMF diodes on the relay coils. I know the A-B switch boxes have them. I'd bet the 6 switch does also. Ken K6MR ________________________________ From: TowerTalk <tower
Maybe this will help. https://toptendevices.com/products/six-way-antenna-relay-box/ -- Mike Stokes KK9V _______________________________________________ _______________________________________________
Author: "kj6y \(null\) via TowerTalk" <towertalk@contesting.com>
Date: Thu, 22 Sep 2022 18:59:08 -0400
Check MFJ. They make a switch control that can be set up to work with switch. I dont have the model and not near home to check Skip, KJ6Y. Communications Service Co Sent from my IPhone ______________
I have one of their six way relay boxes that I occasionally use for Contest expeditions. I use a Top Ten band decoder (the newer model is called "Band Aide Band Decoder") to automatically engage the
Ed, If you are referring to the antenna relay box that is a diecast box with six antenna ports and no markings except for a paper strip that labels the ports I have the same one and had the same issu
HI Les, Yes sounds like the same box. It appears it originally was meant to work with the TTD band decoder, and not an independent control head. I like the idea of switching the diodes...then I can u