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Re: [TowerTalk] CDR Rotor Control Box Compatibility

To: aa6eg@k6bj.org
Subject: Re: [TowerTalk] CDR Rotor Control Box Compatibility
From: Bill Coleman <aa4lr@arrl.net>
Date: Sat, 29 Nov 2008 12:34:44 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On Sep 10, 2008, at 8:17 PM, Pat Barthelow wrote:

>
> I have an older, good condition CDR Rotor Control Box, looking for a  
> schematic, and
> compatibility information.
>
> Probably compatible with early HAM-M and maybe later series rotors.
> It is the older Brown plastic, looks like bakelite  sloping, square- 
> ish style box, with Vy Large Center= North meter movement, with a  
> gold color on the Meter Cover on the bottom.
> Left-Right progressive, self centering lever... first nudge releases  
> brake, then full travel, starts rotation.

This is, indeed, a Ham-M control box. It can be used with the Ham  
series of rotators, since they are all pretty much identical  
electrically.

CATS has a history page about the CDE series of rotators - 
http://www.rotor-doc.com/history.html

You should be able to find a schematic for both the HAM-M and Ham-II  
rotators on the BAMA archive.


Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr@arrl.net
Quote: "Not within a thousand years will man ever fly!"
             -- Wilbur Wright, 1901

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