hi machine shop a flake. retrieving my stuff on monday,
sorry... now what? 73 dave On Fri, Sep 8, 2017 at 3:11 PM, Dave Mallery <dave.mall...@gmail.com> wrote: > 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) > > > > -- 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.
