[Hammarlund] SP-600-JX-6

[A R]

See the "NOTE" at the end of the manual parts list for calculation of crystal frequencies for Y1 thru Y6.

Allen
----- Original Message -----
From: wb3fau55 at neo.rr.com<mailto:wb3fau55 at neo.rr.com>
To: hammarlund at mailman.qth.net<mailto:hammarlund at mailman.qth.net>
Sent: Monday, April 24, 2017 4:41 PM
Subject: [Hammarlund] SP-600-JX-6

Folks, I got another question about the fixed freq operation.  As I can only guess,  how does one determine the freq of a crystal?  What I am asking is-  for a given freq,  below 7.4 mc,  do you add 455kc?  [or subtract?]  Then, above 7.4,  do you use 3.95 mc,  plus  or minus  the IF?  I know you folks know how to figure the xtal freq, for a given operating freq, so please enlighten me...tnx  Russ.
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