Wes- A great resource for info is the BG7TBL master thread at eevblog. We track everything we know about these units to compare them: https://www.eevblog.com/forum/testgear/bg7tbl-gpsdo-master-reference/
Bill On Sun, May 3, 2020, 6:14 AM Wes <w...@triconet.org> wrote: > The seller and the PO did a yeoman job and the device arrived at 1 PM this > afternoon. > > It turns out to be a date code 2019-08-03 instead of the pictured 2018 > unit. A > pleasant surprise, but not the latest which is (I think) 2019-10-20. > > This one still says, "GPS Disciplined Oscillator", the newer one says, > "GNSS > Disciplined Oscillator." > > The OCXO is a CTS, labeled "970-2178-46". The receiver is unlabeled. > > I powered it up and it indicated lock in about 10 minutes using the > supplied > puck antenna on the workbench inside the house (concrete exterior > walls.) For > comparison, the TAPR Kit M12+ Oncore receiver located a couple feet away > with a > similar antenna situation shows lock on only three satellites using LH) > That > said, the only way I have to evaluate it is with the BG7TBL FA-2 counter > with a > Bodnar reference that has been running for weeks. It's continued to drift > for > over two hours and now has approached 10 MHz but is still wandering around > 4-5 > mHz with respect to the Bodnar. Which is correct is anyone's guess. > > I guess the next project should be to get the external antenna mounted and > splitter installed so everything is using the same source. > > Wes > > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.