>> http://www.aade.com/freqstd/freqstd.html
I can second that item... I bought one several years ago, I calibrated mine to less than 0.1 cps at 10MHz. Using a 9V battery and a 5 minute warm-up, it has maintained its calibration to date. There is a multi-turn pot on the PCB for fine tuning - Dave G, KK7SS '65 MKIII Sprite, Richland, WA _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
