After several years use I decided to check the calibration of my KX3, following the procedures in the manual, using a function generator controlled by a GPS disciplined reference signal, adjusting REF CAL to zero beat. Then I checked WWV 10MHz I was about 230 Hz off frequency based on PX3 display. Looking at the 10MHz signal from the function generator, I was off by the same amount based on PX3. I adjusted the REF CAL setting to get both the 10MHz WWV and Function Gen 10MHz centered on the PX3 (same REF CAL setting). I checked with my old HP8640B at 10MHz, it was within 20Hz.
With WWV I could see both the center and side bands, I was using the center as my reference. The manual states that following it's procedures accuracy should be within +/- 1 ppm. Any thoughts on what is going on? Thanks, Ron ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
