I think it will be difficult to find a well working 8640, plastic gears will have by now totally disintegrated. What part of it do you need, I may have something left. Bert Kehren In a message dated 6/6/2017 9:06:05 P.M. Eastern Daylight Time, time-nuts@febo.com writes:
Hi , I am trying to find an well working HP 8640 to do some measurements like SSB FM and AM noise. Who can help ? 73 de Ulrich N1UL _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.