TY  - RPRT
TI  - Ground-Based GPS as a Calibration/Validation Tool for Tropospheric Sensing Instruments
AU  - Bar-Sever, Y. E.
AU  - Haines, B. J.
AU  - Keihm, S. J.
PY  - 1999
UR  - https://ntrs.nasa.gov/citations/20000053502
ID  - 20000053502
ER  -