[R-390] Don Reaves - SAQ 2004-07-04

Kenneth G. Gordon kgordon at moscow.com
Tue Jun 8 22:56:15 EDT 2004


Bob Camp wrote:

> Since the speed of the motor controls the frequency they must wander 
> around a bit by modern standards.

Actually, from what I have read on the subject, Alexanderson 
alternators incorporated a very unique, mostly mechanical, frequency 
control which kept them within a very few percent of their assigned 
frequency. I don't think drift would be objectionable even to 
Spectogram.


> Real radios forever ....

YEAH!

Ken W7EKB


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