1. epgga2.010.Z
2. igs11376.sp3.Z
3. Matlab code:
   1. xyz2neu.m
   2. xyz2wgs.m
   3. wgs2xyz.m
   4. xyz2neu.m
   5. read_sp3.m
   6. map.m
4. Rinex observation file collected at Purdue on 3/30/05
5. Rinex navigation file collected at Purdue on 3/30/05