After February 16, 2023, the long name GNSS products archived at the CDDIS will follow the Guidelines for Long Product Filenames in the IGS version 2.0. These guidelines are available at https://files.igs.org/pub/resource/guidelines/Guidelines_For_Long_Product_Filenames_in_the_IGS_v2.0.pdf. For more information, please see IGSMail message 8309 sent February 3, 2023. https://lists.igs.org/pipermail/igsmail/2023/008305.html.

The CDDIS began archiving data from flight receivers on board LEO satellites in support of the IGS LEO Working Group. Satellite data available in this archive include CHAMP, ICESat-1, Jason-1, and SAC-C. All flight receiver data are stored in RINEX format.
The starting directory for these files is:
Append the following directory and file names to the starting directory:
SATNAME/YYYY/DDD/SSSSDDD0.YYt.Z
Satellite Name |
---|
champ |
icesat |
jason |
sac-c |
Satellite Name | Code |
---|---|
champ | cham |
icesat | ice1 |
jason | jaso |
sac-c | sacc |
as described in the table below.
Code | Meaning |
---|---|
SATNAME | satellite name |
YYYY | 4-digit year |
DDD | 3-digit day of year |
SSSS | satellite code |
YY | 2-digit year |
t | type of data: d = Hatanaka-compressed observation data s = observation summary files (output of TEQC) o = ICESat GPS data in standard RINEX format pc = ICESat position solution from receiver |
.Z | UNIX compressed file |
