Steve Allen sla at ucolick.org
Tue Jan 17 13:12:14 EST 2012

On Tue 2012-01-17T10:44:18 -0700, Warner Losh hath writ:

> [*] Unless I'm an astronomer or care which way the earth is pointing to sub-minute accuracy.

The GPS system, and the other GNSS, must know that in order to operate.
The satellite tracking code, the VLBI code, the LLR code have all been
written and operated in the presence of leap seconds. The absence of
leap seconds could compromise the infrastructure that supports GPS.

Steve Allen <sla at ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High Street Voice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064 http://www.ucolick.org/~sla/ Hgt +250 m

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