Eric, Nov 1993 data ------------- I believe the antenna heights in the headers are correct. Instruments are all Trimble 4000SSE. Antennas are all the standard L1/L2 geodetic, even though the annotation in the header is "4000 SSE". Guam: AAFB (LDGO main site) ANDR (LDGO main site in Nov 1990) Saipan: MPLC Chuuk: XAVR Yap: DAKY John