12 -  18 hour files: total    4 TRaP members.
/data/Petrap/2025/ALVIN/2025ALVIN.WTPZ21.KNHC.301433.RRH_GPM.05301154.18.Z
/data/Petrap/2025/ALVIN/2025ALVIN.WTPZ21.KNHC.302000.RCLIPER.05302000.12.Z
/data/Petrap/2025/ALVIN/2025ALVIN.WTPZ21.KNHC.302043.GHEHR.05302000.12.Z
/data/Petrap/2025/ALVIN/2025ALVIN.WTPZ21.KNHC.302043.N20_RAIN.05301959.12.Z
Grid information: nc,nr,clat,clon:      800     800   19.25  109.20
Total independent TRaPs used:   4
Total Ensemble TRaP members:   4