Hi It’s not just a Russian OCXO, it’s a Russian OCXO that has been through a very nasty salvage process. It is rare to find one that is in very good shape after the “gentle hands” have removed it from the original equipment.
Bob > On Mar 14, 2016, at 2:52 PM, Gedas <w8...@mchsi.com> wrote: > > Hi Hal, and TU for the reply. Tu also to everyone else with the very helpful > hints and info. Following the advice of Joe I checked out the EEV Blog > site.....very good information about the different variants of this maker. > Turns out, because I have a model (date code) of 2014-12-09 that it > corresponds to this revision and information: > > custom board with surplus russianmorion mv89 > <http://www.morion-us.com/catalog_pdf/MV89.pdf>OCXO. gps isu-blox > NEO-6M-0-001 <https://www.u-blox.com/en/product/neo-6-series>. > > Who would have guessed a Russian OCXO. And, I guess the U-Blox is not one of > the better GPS units based on what Paul mentioned. But I think there is > software out there that will let me at least monitor what my unit is doing > and how many birds it is receiving data from. I also have the 8-port signal > splitter which is nice as I can now run my reference to all my various TE. > > Oh well, it is what it is as I do not have the money to purchase a different > one. To answer your question I am using the supplied "hockey puck" style > antenna placed outside my basement window well, sitting on a small wooden > shelf, but close to ground level. The antenna should have a clear view from > 90-280 degrees, from an elevation angle of 0-90 degrees. Anything from West > to North to East (~280-90 degrees) is blocked by the house. I guess my next > step, as Bob suggested will be to install some monitoring software to see how > many birds I am able to see on average. > > Gedas, W8BYA > > Gallery at http://w8bya.com > Light travels faster than sound.... > This is why some people appear bright until you hear them speak. > > On 3/14/2016 12:55 AM, Hal Murray wrote: >> w8...@mchsi.com said: >>> This is where I really embarrass myself.....sometime ago I purchased an >>> inexpensive 10 MHz GPS based reference source (BG7TBL GPS Disciplined >>> Source) for my various counters, transceivers, spectrum analyzers, etc and >>> was wondering if it was a good purchase and if anyone else used a similar >>> unit. I guess in the end I am curious to know what the short & long term >>> accuracy and stability of my unit may be? I no longer have access to any >>> accurate (known) frequency sources like I did while employed and I do not >>> think I have the equipment here at home to measure my unit myself. >> Long term accuracy will be very good - you are tracking GPS. >> >> You didn't say anything about your antenna. That's probably the major >> contributor to your short term accuracy. >> >> Google found: >> http://www.eevblog.com/forum/testgear/bg7tbl-gpsdo-master-reference/ >> Looks like there are various versions. >> >> > > _______________________________________________ > 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. _______________________________________________ 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.
