Satellite Predictions

You must have the 3 line orbital prediction file for the satellites you want in 'c:\microdem\gps-ops.txt'

Summary of satellites


Sky map button produces diagram.

  • Red line is the horizon from the DEM.
  • Green symbols are the satellites in view; those between the red horizon and the black outer circle are masked by the terrain.
  • Only reasonable to use in very steep terrain where there is a signficant chance of terrain blocking low satellites.  gives predictions to compare with these.

Last revision 9/23/2018