Wed 27 Feb, 2019 10:10 pm
Thu 28 Feb, 2019 8:14 am
Wollemi wrote:How would I know?
Mon 11 Mar, 2019 1:23 am
Mon 08 Apr, 2019 2:37 am
Mon 08 Apr, 2019 8:41 am
Mon 08 Apr, 2019 8:47 am
Mon 08 Apr, 2019 9:14 am
Mon 08 Apr, 2019 9:43 am
Mon 08 Apr, 2019 9:58 am
Mon 08 Apr, 2019 11:54 am
johnw wrote:Note to self
Mon 08 Apr, 2019 2:37 pm
Mon 08 Apr, 2019 7:11 pm
Orion wrote:There are other ways to handle the problem. It's possible that the current date is updated in nonvolatile memory in the GPS module. That way, as long as you use the chip once every 19 years, it won't ever rollover. But is that how the chips I have deal with it? I have no idea.
Mon 08 Apr, 2019 7:26 pm
keithy wrote:Of note, the GPS on that Nuvi 500 still functions normally - the time is correct, and the GPS positioning is as accurate as it was previously. The incorect date is the only error.
keithy wrote:Disturbingly though, I read yesterday on twitter that some Boeing 787s in China were grounded as they exhibited GPS date rollover error in their nav systems... ...Surprising for an aircraft model that is under 12 years old.
Tue 09 Apr, 2019 4:37 pm
Orion wrote:Wouldn't an incorrect date cause the time to be wrong certain periods of the year due to miscalculated daylight saving time shifts?
Orion wrote:Not really, given the recent revelations about Boeing engineering decisions.
Tue 09 Apr, 2019 8:22 pm
keithy wrote:Without firmware updates to adjust for the new DST regimes, the time will be out
Wed 10 Apr, 2019 4:56 am
Wed 10 Apr, 2019 7:56 am
Wed 10 Apr, 2019 9:51 am
Thu 11 Apr, 2019 6:29 pm
ribuck wrote:For internet-capable devices, the DST rules are not in firmware. They are synced online from public databases.
Thu 11 Apr, 2019 7:11 pm
Fri 12 Apr, 2019 2:34 am
keithy wrote:So my comment was more what happens if the government changes the DST regime, and there is no further firmware update to account for this, it is likely my GPS's time will be incorrect at least once a year.
Fri 12 Apr, 2019 2:40 am
north-north-west wrote:Who uses their GPS to keep track of time anyway?
Fri 12 Apr, 2019 1:31 pm
michael_p wrote:Yes, I too will be digging out my 2004 Meridian and seeing if it still works.
Fri 12 Apr, 2019 2:58 pm
neilmny wrote:Very funny
My Etrex Vista HCx seems to be functioning correctly, though I probably should put it to a more stringent test than just seeing if it shows me as being at home.
Sat 20 Apr, 2019 7:57 pm
Sun 21 Apr, 2019 1:59 am
Mon 22 Apr, 2019 10:11 am
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