Name Template: PUB/MISSION/level1b/gpsBit/YYYY.DDD/gpsBit_IIII.YYYY.DDD.HH.MM.GGG_SSSS.VVVV_txt
DDDDay of year
GGGGNSS id (G28 = GPS satellite 28)
HHHour
IIIIMission ID (CHAM, SACC, CO01-06, GPSM, etc)
LLLLEO number (1-6 for COSMIC)
MISSIONMission ID (eight characters or less--champ, champrt, sacc, sacctst, etc)
MMMinute
PUBBase directory for the pub hierarchy
SSSSSubtype (an ID which tells the command options used in generating this file)
VVVVVersion (an ID which tells the version of all codes using in generating thie file)
YYYYYear


File containing Navigation bits used for processing open loop data in the lower troposphere.