2 OBSERVATION DATA G RINEX VERSION / TYPE MAD200ESP MARKER NAME 13407S012 MARKER NUMBER RT920041504 ASHTECH Z-XII3T 1L01-1D04 REC # / TYPE / VERS 451-U AOAD/M_T NONE ANT # / TYPE 4849202.3989 -360328.9943 4114913.1884 APPROX POSITION XYZ 0.0254 0.0000 0.0000 ANTENNA: DELTA H/E/N cb@igs.org JPL OBSERVER / AGENCY PORTIONS OF THIS HEADER GENERATED BY THE IGS CB FROM SLM COMMENT