AAMSU-B and MHS TWV timeseries of coincident datapoints with 5 radiosonde/GPS stations

AMSU-B and MHS TWV timeseries of coincident datapoints with 5 radiosonde/GPS stations (Alert, Eureka, Ny Alesund, Resolute, Scorebysund). TWV values are taken as the mean of all TWV values in a 50km radius around the station and a maximum of 1h before or after the GPS measurements.