So I've pieced together some facts which may actually lead to the actual cause
1) As Caleb pointed out 21:00 is actually 0:00 in moscow time. 2) Based on the above I went digging. The GLONASS time scale is actually based on moscow time. So the end of the year is 21:00UTC according to the GLONASS satellites. 3) Wondering how GLONASS transmitted the date, I went digging some more and found that it transmits the date as follows: "Day number (1 to 1461) within a four-year interval starting on January 1 of the last leap year [nb 3] according to Moscow decree time" So the GLONASS day rolled over as well. 4) This reminded me of one report we got from a customer: "All packetflux devices began showing a date of 1/1/2016 and throwing off sync across more than 40 sites." This smells like a GLONASS rollover issue. Which would explain why GPS only receivers weren't affected. On Thu, Jan 2, 2020 at 3:03 PM Steve Jones <thatoneguyst...@gmail.com> wrote: > Did the root issue ever get defined? > > I still have my money on Huawei testing the Baicells botnet, building up a > set of GPS transmitters out of the Recievers and impacting the Stateside > GPS. they tested the timing pulse in a fashion that only impacts timing, > not positioning amongst a test group (WISPS) that would fly under the US > governments radar. Id say it was a pretty successful test. good job > Comrades > > On Thu, Jan 2, 2020 at 10:38 AM Andreas Wiatowski <andr...@silo.ca> wrote: > >> We have found that we had to reboot some 450AP after the event in >> addition to restrating the GPS. >> >> >> Internet. >> Phone. >> TV. >> Andreas Wiatowski >> CEO/Founder >> Silo >> *1-866-727-4138, ext 600* <1-866-727-4138,%20ext%20600> >> | >> *andr...@silo.ca* <andr...@silo.ca> >> *silo.ca* <http://www.silo.ca/> >> >> >> >> >> *From: *AF <af-boun...@af.afmug.com> on behalf of Nate Burke < >> n...@blastcomm.com> >> *Reply-To: *AnimalFarm Microwave Users Group <af@af.afmug.com> >> *Date: *Thursday, January 2, 2020 at 11:27 AM >> *To: *AnimalFarm Microwave Users Group <af@af.afmug.com> >> *Subject: *Re: [AFMUG] mass GPS issues >> >> >> >> [EXTERNAL] >> >> I must have been one of the lucky one's, I never lost all satellites. My >> EPMP 1k,2k,3k radios just reduced the number of tracked satellites. (after >> completely losing all satellites for about 15 min at 21:00 on 12/31) at >> 21:00 1/1 they all returned to normal number of satellites tracked. I did >> not reboot or reset anything at any point. >> >> My Older EPMP1000 radios did not have any change to their GPS satellite >> readings. >> Blue is Visible, green is tracked. >> Newer EPMP 1000 >> >> Older EPMP 1000 >> >> On 1/2/2020 10:00 AM, Caleb Knauer wrote: >> >> It all started 12/31/19 at 21:00 UTC. You're saying yours all suddenly >> >> came back on 1/1/20 at 21:00 UTC? Nice little exact 24hr window. >> >> >> >> Oddly enough 21:00 UTC is midnight in Moscow. >> >> >> >> On Wed, Jan 1, 2020 at 10:18 PM Nate Burke <n...@blastcomm.com> >> <n...@blastcomm.com> wrote: >> >> No user intervention on my part. >> >> >> >> Visible satellites returned to normal levels over a few hours this >> >> morning. Tracked satellites returned to normal suddenly at 3pm CST >> >> (21:00 UTC) >> >> >> >> Everyone else see something similar? All my data is from EPMP 1k, 2k, >> >> 3k radios. They all did the same thing at the same time. >> >> >> >> On 1/1/2020 11:14 AM, Mike Hammett wrote: >> >> Look through this Twitter account and the replies to the tweets for more >> information on yesterday's GPS outage. >> >> >> >> https://twitter.com/GalileoSats/status/1212337302460080130?s=19 >> >> >> >> ----- >> >> Mike Hammett >> >> Intelligent Computing Solutions >> >> Midwest Internet Exchange >> >> The Brothers WISP >> >> >> >> ----- Original Message ----- >> >> From: Eric Muehleisen <ericm...@gmail.com> <ericm...@gmail.com> >> >> To: AnimalFarm Microwave Users Group <af@af.afmug.com> <af@af.afmug.com> >> >> Sent: Tue, 31 Dec 2019 15:17:39 -0600 (CST) >> >> Subject: [AFMUG] mass GPS issues >> >> >> >> Anyone else having GPS issues this afternoon? Nearly every tower I have >> >> across western Kansas is having GPS issues. Start around 3pm CST. >> >> >> >> >> >> >> >> -- >> >> AF mailing list >> >> AF@af.afmug.com >> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> >> >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > -- - Forrest
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