Research Article

Precipitable Water Vapor Retrieval and Analysis by Multiple Data Sources: Ground-Based GNSS, Radio Occultation, Radiosonde, Microwave Satellite, and NWP Reanalysis Data

Table 1

Precision statistic of retrieved PWV from ground-based GNSS station (STVL) compared with the nearby radiosonde.

Min bias (mm)Max bias (mm)Mean bias (mm)RMSE (mm)

RS_PWV-GPS_PWVāˆ’0.0115.150.232.41