Fig. 1From: Comparison of shipborne GNSS-derived precipitable water vapor with radiosonde in the western North Pacific and in the seas adjacent to JapanGNSS antennas installed on the top deck (DECK) and on the mast (MAST) of the RYOFU MARU on October 19, 2017. The MAST antenna was moved to the DECK location on June 19, 2017, and was used for additional observations as DECKt until August 6, 2017Back to article page