Re: blog/_drafts/gps-pivot.ad

2017-04-26 Thread Mark Atwood via devel
This blog post will be about GPS receiver firmware pivoting issues and about GPS system 1024 week era wrapping issues. There will be another different blog post about about NTP era wrapping and pivoting Analysis of the time_t wrapping is getting too far out of our remit, and other people have alr

Re: blog/_drafts/gps-pivot.ad

2017-04-26 Thread Gary E. Miller via devel
Yo Hal! On Wed, 26 Apr 2017 11:26:42 -0700 Hal Murray via devel wrote: > Unix/POSIX has the same problem with time_t > It rolls over into the sign bit in 2038 Only for some. Not an issue with 64 bit Linux. RGDS GARY --- G

Re: blog/_drafts/gps-pivot.ad

2017-04-26 Thread Hal Murray via devel
Mark Atwood said: > I'm going to work it into a blog post. Anyone with a good grasp of the GPS > rollover issues is invited to work on it as well. It's not just a GPS issue. Unix/POSIX has the same problem with time_t It rolls over into the sign bit in 2038 NTP packet format has the same probl

blog/_drafts/gps-pivot.ad

2017-04-26 Thread Mark Atwood via devel
Hi! I just created blog/_drafts/gps-pivot.ad It's a lightly edited transcript of a conversation about GPS rollover and pivoting. I'm going to work it into a blog post. Anyone with a good grasp of the GPS rollover issues is invited to work on it as well. Thanks! ..m -- Mark A