Hi Tom: I didn't see in the VLBI slides what was done to "tune" the delay line, but did see a hint that there's been a firmware upgrade for it. Can you elaborate?
I like the Cursor Clock on your web page. Have Fun, Brooke Clarke http://www.PRC68.com http://www.pacificsites.com/~brooke/PRC68COM.shtml http://www.precisionclock.com Tom Clark, K3IO wrote: > Next week the VLBI community is having another TOW (Technical Operations > Workshop) at the Haystack Observatory NW of Boston. The audience for the > TOW is mainly the technicians at each site who drive the telescopes and > keep the hardware running. VLBI is crucially dependent on timing and > every station is equipped with at least one Hydrogen Maser. As usual, I > have been tapped as the timing "teacher". > > My PowerPoint class notes "Timing for VLBI" are now posted available on > http://gpstime.com/. > > These notes include some fairly recent data on how well the new > real-time "de-sawtooth" hardware in Rick's CNS Clock II works as > compared with the software correction we have been using for many years > (the two agree to 300 psec RMS now that we learned how to "tune" the > programmable delay line). > > 73, Tom > > _______________________________________________ > time-nuts mailing list > time-nuts@febo.com > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts