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New GPS Interface Specification IS-GPS-200J is out
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Leo Bodnar
2018-07-30 19:58:25 UTC
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Hi,

For those who missed it - IS-GPS-200 has been updated a few months ago.

https://www.gps.gov/technical/icwg/IS-GPS-200J.pdf

Leo Bodnar

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Tom Van Baak
2018-07-30 20:56:15 UTC
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Thanks Leo.

For you low level time nerds, yes, even DoD can't get GPS time / UTC / UT1 / leap seconds right the first time. Synchronizing 3 time scales across a leap second discontinuity is really, really hard. More info about ICD rev-J here:

https://www.gps.gov/technical/icwg/meetings/2018/PIRN-IS-200J-001.pdf
"RFC Title: 2018 Proposed Changes to the Public Documents"

or search for RFC 374 here (page 67/117):

https://www.gps.gov/technical/icwg/meetings/2017/presentation.pdf
"Global Positioning Systems (GPS) Public Interface Control Working Group and Public Forum"

/tvb

----- Original Message -----
From: "Leo Bodnar" <***@leobodnar.com>
To: <time-***@lists.febo.com>
Sent: Monday, July 30, 2018 12:58 PM
Subject: [time-nuts] New GPS Interface Specification IS-GPS-200J is out
Post by Leo Bodnar
Hi,
For those who missed it - IS-GPS-200 has been updated a few months ago.
https://www.gps.gov/technical/icwg/IS-GPS-200J.pdf
Leo Bodnar
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