Eric, Nov 1990 data ------------- I believe the antenna heights in the headers are correct, but don't start processing until I have confirmed this with you. All instruments are Trimble 4000SST with standard L1/L2 geodetic antenna. Guam: andr (main site moved to aafb following this survey; several ties done between andr and aafb in subsequent years) Saipan: mkpe (main site moved to mplc following this survey; several ties done between mkpe and mplc in subsequent years) Chuuk: xavr Yap: daky John