Adds one ephemeris point.
  Add | Add an ephemeris point. Valid values for <ZoneStr> are A, B, Y, Z or ddc, where 00<dd<61 and c is C-X. Easting, Northing and Alt are entered in Distance. LonRate and LatRate are entered in degrees/second. AltRate is entered in Distance/second. | 
  AddPosition | Add an ephemeris point using position only. Valid values for <ZoneStr> are A, B, Y, Z or ddc, where 00<dd<61 and c is C-X. Easting, Northing and Alt are entered in Distance. | 





