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Re: [TowerTalk] Channel master operation?

To: "towertalk@contesting.com" <towertalk@contesting.com>
Subject: Re: [TowerTalk] Channel master operation?
From: codrut buda <yo3dmu@yahoo.com>
Reply-to: codrut buda <yo3dmu@yahoo.com>
Date: Wed, 21 Sep 2011 01:39:14 -0700 (PDT)
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
You might find also helpful:

PstRotatorAz http://www.qsl.net/yo3dmu/index_Page346.htm ;, a program for 
rotators control, 
is able to control the Channel Master rotors 
http://www.channelmaster.com/Antenna_Rotator_Rotor_Equipment_s/30.htm
via the USB-UIRT infrared interface
http://www.usbuirt.com

Codrut - YO3DMU

From: Dick Dievendorff <dieven@comcast.net>
To: 'Jim Miller' <jim@jtmiller.com>
Cc: towertalk@contesting.com
Sent: Wednesday, September 21, 2011 2:07 AM
Subject: Re: [TowerTalk] Channel master operation?

You might find this article helpful:

http://www.kg4jjh.com/pdf/Antenna%20Rotator%20Controller.pdf

Dick, K6KR



-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of Jim Miller
Sent: Tuesday, September 20, 2011 3:22 PM
To: TowerTalk@contesting.com
Subject: [TowerTalk] Channel master operation?

I've got a Channel Master to rotate my Hexbeam. It has only three wires that
control it. Anyone know how this functions to turn and indicate direction
with only three wires?

It has a wallwart that provides power to the control unit that is 18VAC
output. Any idea of the signal levels on the lines? I was going to buy some
TVS diodes for protection but want to make sure I get ones with proper
breakdown voltage.

I can always tear it down myself and scope it out but it would be nice to
avoid if someone had already done so.

Thanks!

Jim ab3cv
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