Post by thread:[OT]: Anyone see oddball GPS time glitches last ni

I saw two separate GPS time standard clocks (NTP servers) both swear it was August 17, 2021 last night. Different cities, same manufacturer and model but otherwise nothing in common between the two. Both were power cycled, one recovered to the correct time immediately and one still had the wrong time and date. I would normally just curse the vendor and go on with life, but in looking at some mail headers at home today I saw some August 16, 2021 timestamps from mail servers that could not have possibly had anything to do with the two NTP servers I saw go nuts. Has anyone else seen anything like this?? A Google search turns up nothing, I'm about to hit the geek news sites as well. Dale -- http://www.piclist.com hint: To leave the PICList spam_OUTpiclist-unsubscribe-requestTakeThisOuTmitvma.mit.edu

No, but a couple of days ago my GPS thought I swapped hemispheres and back in the middle of a bike ride! I arrived home to discover I'd ridden over 17,000 km that morning. Some ride! John At 01:00 AM 2/01/2002 +0000, you wrote: {Quote hidden}>I saw two separate GPS time standard clocks (NTP servers) both swear it was >August 17, 2021 last night. Different cities, same manufacturer and model >but otherwise nothing in common between the two. Both were power cycled, one >recovered to the correct time immediately and one still had the wrong time >and date. I would normally just curse the vendor and go on with life, but in >looking at some mail headers at home today I saw some August 16, 2021 >timestamps from mail servers that could not have possibly had anything to do >with the two NTP servers I saw go nuts. > >Has anyone else seen anything like this?? A Google search turns up nothing, >I'm about to hit the geek news sites as well. > >Dale > >-- >http://www.piclist.com hint: To leave the PICList >.....piclist-unsubscribe-requestKILLspam@spam@mitvma.mit.edu _______________________________________________________________________ John Brown PhD (Clinical Psychology) candidate Email: john.brownKILLspamanu.edu.au School of Psychology Phone: (02) 6125-3827 Room 124, Building 39, Psychology Fax: (02) 6125-0499 The Australian National University Mobile: 0429 455 504 ACTON ACT 0200 Web: http://www.anu.edu.au/psychology/staff/BrownJ.htm -- http://www.piclist.com hint: To leave the PICList .....piclist-unsubscribe-requestKILLspam.....mitvma.mit.edu

I saw a news blurb somewhere that there was a concern that an EU satellite might interfere with GPS signals. I failed to read it, and cannot remember where I saw it. May be LORAN is in our futures? John Ferrell 6241 Phillippi Rd Julian NC 27283 Phone: (336)685-9606 Dixie Competition Products NSRCA 479 AMA 4190 W8CCW "My Competition is Not My Enemy" {Original Message removed}

>I saw two separate GPS time standard clocks (NTP servers) both swear it was >August 17, 2021 last night. Different cities, same manufacturer and model >but otherwise nothing in common between the two. Both were power cycled, one >recovered to the correct time immediately and one still had the wrong time >and date. I would normally just curse the vendor and go on with life, but in >looking at some mail headers at home today I saw some August 16, 2021 >timestamps from mail servers that could not have possibly had anything to do >with the two NTP servers I saw go nuts. It can be caused by 2 things 1 - Loss of battery backup on the GPS. This is a **very** common failure. You haven't told if it also lost the almanac and settings, and the manufacturer/model of the unit. But this is a very common failure in the field. 2 - Differences in ROM version of 2 GPS. One may have problems with y2k. ---8<---Corte aqui---8<---- Alexandre Souza EraseMEtaitospam_OUTTakeThisOuTterra.com.br http://planeta.terra.com.br/lazer/pinball/ ---8<---Corte aqui---8<---- -- http://www.piclist.com hint: To leave the PICList piclist-unsubscribe-requestspam_OUTmitvma.mit.edu

Dale Botkin wrote: > > I saw two separate GPS time standard clocks (NTP servers) both swear it was > August 17, 2021 last night. Different cities, same manufacturer and model > but otherwise nothing in common between the two. Both were power cycled, one > recovered to the correct time immediately and one still had the wrong time > and date. I would normally just curse the vendor and go on with life, but in > looking at some mail headers at home today I saw some August 16, 2021 > timestamps from mail servers that could not have possibly had anything to do > with the two NTP servers I saw go nuts. > > Has anyone else seen anything like this?? A Google search turns up nothing, > I'm about to hit the geek news sites as well. I haven't seen anything, but given that the US is still technically at war I would imagine that regional selective availability is still in effect. It wouldn't suprise me if there are some glitches in that process that produces random errors for certain areas. Could be another year related bug in some software somewhere too. -- http://www.piclist.com hint: To leave the PICList @spam@piclist-unsubscribe-requestKILLspammitvma.mit.edu

I got some email that was dated for 2003. Does that count? In theory there is no difference between theory and practice. In practice there is a whole bunch of difference. I pick practice. Bad things like software bugs do not come one at a time but in bunches and groups. My apologies to Mr Shakespeare. Steve B {Original Message removed}

> 1 - Loss of battery backup on the GPS. This is a **very** > common failure. You haven't told if it also lost the almanac and > settings, and the manufacturer/model of the unit. But this is a very > common failure in the field. Nope. These are line-powered GPS time standard servers, they use the GPS sats to derive a (supposedly) highly accurate, stable time standard. They're in two different data centers a couple of hundred miles apart, each with power and environmental controls suitable for corporate use (read "Lots of money spent on clean, stable power and cooling"). > 2 - Differences in ROM version of 2 GPS. One may have problems > with y2k. Nope again, both are up to current snuff on FLASH revisions and y2k certified. Also - each data center has two of these. One in each data center went haywire - the remaining two did not. I find this to be extremely interesting. Dale -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads

>Nope. These are line-powered GPS time standard servers, they use the GPS >sats to derive a (supposedly) highly accurate, stable time standard. >They're in two different data centers a couple of hundred miles apart, >each with power and environmental controls suitable for corporate use >(read "Lots of money spent on clean, stable power and cooling"). Nah, talking about internal backup battery...This was a common failure when I serviced marine GPS units (BTW, I'm looking for a CHEAP gps module, that outputs NMEA. Any suggestions? Can (and should!) be used and CHEAP, of course ;oD) >Nope again, both are up to current snuff on FLASH revisions and y2k >certified. Hmm >Also - each data center has two of these. One in each data center went >haywire - the remaining two did not. I find this to be extremely >interesting. Haha, very interesting! :oD Maybe interference from one antenna in another? ;o) Ugh! Crazy problem! :oO ---8<---Corte aqui---8<---- Alexandre Souza KILLspamtaitoKILLspamterra.com.br http://planeta.terra.com.br/lazer/pinball/ ---8<---Corte aqui---8<---- -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads

January 1, 2002 a question was posted as to a possible glitch in GPS units: . >I saw two separate GPS time standard clocks (NTP servers) both swear it was >August 17, 2021 last night. Different cities, same manufacturer and model . >Has anyone else seen anything like this?? A Google search turns up nothing, >I'm about to hit the geek news sites as well. . . This document verifies it DID happen: http://www.truetime.com/DOCSn/service_bulletins/2002rollover1.pdf Rick -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.