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GPS Week Rollover April 6, 2019
The GPS system uses a 10 bit week field. Initial week was January 1980, first rollover was August 1999, second rollover is April 6, 2019. Some units had problems with week 1,000.
https://www.zdnet.com/article/some-g...after-april-6/ |
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#2
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GPS Week Rollover April 6, 2019
On 3/11/2019 10:06 PM, Mike A Schwab wrote:
The GPS system uses a 10 bit week field. Initial week was January 1980, first rollover was August 1999, second rollover is April 6, 2019. Some units had problems with week 1,000. https://www.zdnet.com/article/some-g...after-april-6/ Damn. I hope that doesn't somehow affect my paper maps. ;-) -- - Frank Krygowski |
#3
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GPS Week Rollover April 6, 2019
On Monday, March 11, 2019 at 10:38:53 PM UTC-4, Frank Krygowski wrote:
On 3/11/2019 10:06 PM, Mike A Schwab wrote: The GPS system uses a 10 bit week field. Initial week was January 1980, first rollover was August 1999, second rollover is April 6, 2019. Some units had problems with week 1,000. https://www.zdnet.com/article/some-g...after-april-6/ Damn. I hope that doesn't somehow affect my paper maps. ;-) -- - Frank Krygowski The only thing that might affect your paper maps is the unexpected faster movement of the magnetic north pole. https://www.livescience.com/64685-ma...l-updated.html Cheers |
#4
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GPS Week Rollover April 6, 2019
On 12/3/19 4:07 pm, Sir Ridesalot wrote:
On Monday, March 11, 2019 at 10:38:53 PM UTC-4, Frank Krygowski wrote: On 3/11/2019 10:06 PM, Mike A Schwab wrote: The GPS system uses a 10 bit week field. Initial week was January 1980, first rollover was August 1999, second rollover is April 6, 2019. Some units had problems with week 1,000. https://www.zdnet.com/article/some-g...after-april-6/ Damn. I hope that doesn't somehow affect my paper maps. ;-) -- - Frank Krygowski The only thing that might affect your paper maps is the unexpected faster movement of the magnetic north pole. https://www.livescience.com/64685-ma...l-updated.html Rain. -- JS |
#5
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GPS Week Rollover April 6, 2019
On Tue, 12 Mar 2019 17:22:41 +1100, James
wrote: On 12/3/19 4:07 pm, Sir Ridesalot wrote: On Monday, March 11, 2019 at 10:38:53 PM UTC-4, Frank Krygowski wrote: On 3/11/2019 10:06 PM, Mike A Schwab wrote: The GPS system uses a 10 bit week field. Initial week was January 1980, first rollover was August 1999, second rollover is April 6, 2019. Some units had problems with week 1,000. https://www.zdnet.com/article/some-g...after-april-6/ Damn. I hope that doesn't somehow affect my paper maps. I don't know about dry land maps but there are frequent errors in marine charts and GPS readings. The errors seem to be largely because a different standard is used to make some charts or in some cases because the data notes on the chart say something like, "Surveyed by the HMS Bounty in 1776". A good friend's favorite anchorage in the Philippines shows on the chart as being something like a mile on dry land while the GPS says he is still afloat :-( ;-) -- - Frank Krygowski The only thing that might affect your paper maps is the unexpected faster movement of the magnetic north pole. https://www.livescience.com/64685-ma...l-updated.html Rain. -- Cheers, John B. |
#6
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GPS Week Rollover April 6, 2019
On Monday, March 11, 2019 at 11:22:56 PM UTC-7, James wrote:
On 12/3/19 4:07 pm, Sir Ridesalot wrote: On Monday, March 11, 2019 at 10:38:53 PM UTC-4, Frank Krygowski wrote: On 3/11/2019 10:06 PM, Mike A Schwab wrote: The GPS system uses a 10 bit week field. Initial week was January 1980, first rollover was August 1999, second rollover is April 6, 2019. Some units had problems with week 1,000. https://www.zdnet.com/article/some-g...after-april-6/ Damn. I hope that doesn't somehow affect my paper maps. ;-) -- - Frank Krygowski The only thing that might affect your paper maps is the unexpected faster movement of the magnetic north pole. https://www.livescience.com/64685-ma...l-updated.html Rain. Wind, too, although I expect rain makes certain display screens difficult or impossible to read. What maps give you is a better understanding of your over-all position in the world -- rather than a postage stamp sized "you are here" map. If you zoom out, you often lose your frame of reference or details get so small that they are useless (road names go away, etc.). The only thing worse are step-by-step riding or driving instructions. You make a wrong turn or get accidentally funneled off a highway by the off-ramp from hell and your're screwed. You need a regular map to figure out how to get back on course. People should also learn to read maps -- just in case the power goes out or batteries go dead. They should also have a cross-bow to shoot zombies when the power goes out because zombies are associated with power outages. -- Jay Beattie. |
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