[TowerTalk] Old Top Ten Devices Relay Switch Box

[Ed Goss <ed.n3cw@gmail.com>]

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 information on 
the control heads for these relay boxes.  Markings on the relay box 
indicate that +12 volts is common, with the desired relay switched by 
applying negative/ground.  This is opposite of all the other relay boxes 
I have used (Ameritron, DXE) where you apply +12 volts to select the 
desired relay.
    Does anyone know of a control head that would work with these old 
relay boxes?  Thanks...
--Ed, N3CW--



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