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posted by martyb on Tuesday March 12 2019, @12:23PM   Printer-friendly
from the the-times-they-are-a-changin' dept.

The American Radio Relay League (ARRL), the national association for amateur radio, has a reminder about older GPS receivers which may hit a wrap-around bug on April 6th this year.

The GPS network will encounter a small millennium bug of its own in April when the network's "week number" rolls back to zero. This known issue especially could affect those who use GPS to obtain accurate Coordinated Universal Time (i.e., UTC). In the GPS network, the number of the current week is encoded into the message the GPS receives using a 10-bit field. This allows for weeks ranging from zero to 1023. The current period began on August 1, 1999. On April 6, 2019, the week number rolls over to zero and starts counting back up to 1023.

This should not affect later-model GPS receivers that conform to IS-GPS-200 and provide UTC, [...]


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  • (Score: 0) by Anonymous Coward on Tuesday March 12 2019, @06:42PM (2 children)

    by Anonymous Coward on Tuesday March 12 2019, @06:42PM (#813410)

    You've been waiting for a long time to use that one, haven't you? Sorry I don't have mod points.

  • (Score: 2) by maxwell demon on Tuesday March 12 2019, @08:50PM (1 child)

    by maxwell demon (1608) on Tuesday March 12 2019, @08:50PM (#813461) Journal

    Note that it's been in my signature since I've registered on this site (and even before, on the green site). So coolgopher wasn't being very original here.

    --
    The Tao of math: The numbers you can count are not the real numbers.
    • (Score: 2) by coolgopher on Wednesday March 13 2019, @01:47AM

      by coolgopher (1157) on Wednesday March 13 2019, @01:47AM (#813545)

      Oh absolutely not original. I think I first came across it on Usenet many many moons ago. It stuck because it was so neat :)