Hi I think it's pretty safe to guess that none of these units got reset in the field. What ever the end application, it just let them free run. Based on the number or "pps missing" units, I'd also bet it used the dirty 10 MHz output rather than the pps.
Bob -----Original Message----- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Chuck Forsberg WA7KGX N2469R Sent: Friday, January 13, 2012 12:05 AM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] FE-5680A Mechanical Question Both of my units came with a stored preset of 0. Giving the second unit an offset of 0 results in an 84 second period for a 360 degree phase procession relative to a Thunderbolt's 10 MHz output. Call it 100 instead of 84 and we get 1e-9. Measure the distance to the Moon within a foot or two. On 01/12/2012 03:57 PM, ewkeh...@aol.com wrote: > Nigel > I did not program it, it had its original setting and it is 9.99999999944 > which is -5.6 E-11, within 10 MHz which is within spec. Once I have some > aging I will look at Voltage sensetivity. > Bert Kehren > > > In a message dated 1/12/2012 6:22:02 P.M. Eastern Standard Time, > gandal...@aol.com writes: > > Hi Bert > > Could you clarify something for me please, before you started your tests > did you program the unit to be close to 10MHz or did you leave it as > received, and if so what is the actual frequency and is it stable? > > regards > > Nigel > GM8PZR > > > In a message dated 12/01/2012 21:50:28 GMT Standard Time, ewkeh...@aol.com > > writes: > > I hear all these ideas from paper tigers. How about building something > and > > report on it. I can do a Shera for $ 40 and add a $ 20 GPS. And it > works. > I did fail to mention that I also have retrace data. Over the test period > I > had at least 10 power outages from seconds to a couple of hours. The Rb > goes right back to 1 E-12. It would be nice if some one independent does > > a > test on aging, maybe I was lucky and got a particularly good unit. > _______________________________________________ > 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. > -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc "The High Reliability Software" 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430 _______________________________________________ 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.
