hi i got through the smoke to a machine shop today and should have an estimate for eight SA22.c sinks shortly.
dave On Sat, Sep 2, 2017 at 2:48 PM, Dave Mallery <dave.mall...@gmail.com> wrote: > hi > > on the 2011 or newer items, they include this link calibration data plot. > <http://www.rdrelectronics.com/skip/feb/EC0329.gif> > > i received a printed one with the unit. > > dave > > On Sat, Sep 2, 2017 at 6:55 AM, Mark Sims <hol...@hotmail.com> wrote: > >> The data that RDR showed was from the SA22.c "w" command. I think he was >> just using a terminal program. >> >> Attached is a screen dump of Heather doing a software disciplining >> algorithm on a SA22.c (using the dev board as an interface). The 1PPS >> reference that I am using is the nosiest one that I had handy (LEA 5T, >> indoor antenna, second 1PPS output... it has over +/- 66 ns of jitter). >> >> Heather can also calibrate the SA22 / X72 frequency output. You apply a >> 1PPS input, enter &a and a sample count (default 1800 seconds). It then >> calculates the drift rate from a linear regression trend line and sets the >> device DDS tuning word. The resolution of the DDS in the device is around >> 2.5E-12 / count. >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/m >> ailman/listinfo/time-nuts >> and follow the instructions there. >> > > > > -- > Dave Mallery, K5EN (ubuntu linux 16-10) > PO Box 15 Ophir, OR 97464 > > linux counter #64628 (since 1997) > > > > -- Dave Mallery, K5EN (ubuntu linux 16-10) PO Box 15 Ophir, OR 97464 linux counter #64628 (since 1997) _______________________________________________ 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.