Re: [LEAPSECS] what time is it, legally?

From: Poul-Henning Kamp <phk_at_phk.freebsd.dk>
Date: Fri, 15 Dec 2006 11:16:35 +0000

In message <45810F18.11918.132FDC8_at_dan.tobias.name>, "Daniel R. Tobias" writes:

>> http://gauss.gge.unb.ca/papers.pdf/gpsworld.january01.pdf
>
>One quibble with that article is that it gives the Global Positioning
>System as an example of how humanity has been obsessed with knowing
>what time it is. Actually, GPS arises from our obsession with
>knowing what *place* we're at; its need for precise time is a mere
>technical detail of its implementation.

Absolutely not true. The original military requirements for GPS
demanded timetransfer better then 10 microseconds for safe comms
purposes.

--
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk_at_FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
Received on Fri Dec 15 2006 - 03:27:13 PST

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