Re: [TowerTalk] Identifying CDR rotator

[Chuck Sudds <chuck@dxham.net>]

At 09:35 PM 5/30/04 +0000, epetek1@att.net wrote:

As Per Norm's Rotor Service FAQ below:
http://www.rotorservice.com/faqs.htm#What%20is%20the

3.  What is the  difference in the Ham series of rotors?
The Ham-M rotor was released in 1957, and there were 5 series with the last 
rotor being produced in 1973.  The Ham-M rotor would have the series 
number, 1 - 5, followed by 3 digits which indicated the week and year of 
manufacture.  For example, a rotor with the series number 5 322 would be a 
Ham-M, series 5, manufactured in the twenty-second week (the '22' in '322') 
of the year 1973 (the '3' in '322').

Hope this helps.

Chuck  KØTVD

> got a CDR rotator and dont know what model it is as it came w/o the 
> control box. In the bottom side of the rotator there is a separate 4 then 
> separated from the 4 is 335. Does this mean it is a Ham4 and the seriel # 
> iss 335? Also am looking for a control box for it. Thanks for reading.
> Pete W2LL/W2YG


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