XPost: sci.math   
   From: atz@vza.ru   
      
   Paul B. Andersen wrote:   
      
   > The SV clock will typically be microseconds off sync, but a number of   
   > monitoring stations will track the SV, and measure how the clock   
   > behaves, and calculate the correction polynomial parameters which are   
   > uploaded to the SV at least once every three days, typically once a day.   
   >   
   > See:   
   > https://paulba.no/div/GPS_clock_correction.pdf   
      
   thanks, we are great, microseconds accumulates, actually more on earth,   
   than in space; more like a beacon would reset SVs from a time to another,   
   Loddy being wrong again about the "better clocks on ground". Microseconds   
   is a big number in physics.   
      
   --- SoupGate-Win32 v1.05   
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