[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
More information about the R-390
mailing list