On 2011 Sep 29, at 15:25, Paul J. Ste. Marie wrote:
> Both GPS and VLBI require knowledge of UTC and UT1 for implementation. How 
> does the GPS pick up the UT1 corrections?  VLBI, at least when I was involved 
> with it many years ago, depends on the IERS circular.

                                                                                
--
Steve Allen               <[email protected]>              WGS-84 (GPS)
UCO/Lick Observatory      Natural Sciences II, Room 165  Lat  +36.99855
University of California  Voice: +1 831 459 3046         Lng -122.06015
Santa Cruz, CA 95064      http://www.ucolick.org/~sla/   Hgt +250 m

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