[Boatanchors] SP-600 v. R-390A

Glen Zook gzook at yahoo.com
Wed Jan 19 13:04:18 EST 2011

It has been my experience that the SP-600 tends to be very drifty, especially on the higher bands.  Yes, the military used many of them for RTTY links, etc.  However, those used for such were the "JX" versions which can be crystal controlled.

Glen, K9STH

Website:  http://k9sth.com


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