12 -  18 hour files: total    3 TRaP members.
/data/Petrap/2025/ALVIN/2025ALVIN.WTPZ21.KNHC.291400.RCLIPER.05291400.12.Z
/data/Petrap/2025/ALVIN/2025ALVIN.WTPZ21.KNHC.291432.GHEHR.05291400.12.Z
/data/Petrap/2025/ALVIN/2025ALVIN.WTPZ21.KNHC.291432.RRH_GPM.05291236.12.Z
Grid information: nc,nr,clat,clon:      800     800   14.80  107.15
Total independent TRaPs used:   3
Total Ensemble TRaP members:   3