Yes, it's through a 20dB attenuator. I'll redo the measurement w/o the attenuator.
Dave -----Original Message----- From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Bruce Griffiths Sent: 18 September 2016 12:52 To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Thunderbolt spurs on 10MHz output at 100Hz and 200Hz from signal. The signal level is also very low. Brue _______________________________________________ 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.