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In the RINEX 3 format meaning, it says that CO represents the BDS observation data. However, I cannot find the BDS-3 satellite observation data in CDDIS. For example, I find the observation data in 1, January 2021:https://cddis.nasa.gov/archive/gnss/data/daily/2021/001/21o/ There is only one RINEX 3...

Yes, I also try this method wget --auth-no-challenge "https://cddis.nasa.gov/archive/doris/data/cs2/2017/cs2rx17001.001.Z" But, the sp3 also corrupted and the it shows as the following: --2021-05-26 09:32:43-- https://cddis.nasa.gov/archive/gnss/products/mgex/2117/wum21176.sp3.Z Resolving ...

I use wget to download the sp3 files and created the .netrc file, included the line with username and passwd. wget --load-cookies ~/.urs_cookies --save-cookies ~/.urs_cookies --keep-session-cookies https://cddis.nasa.gov/archive/gnss/products/mgex/$WEEK/wum$WEEK$WDAY.sp3.Z But the file is corrupted ...

the brdm data is not updated until June 2020, it is siad that the short name MGEX files are being phased out. The files are still available in long name format (BRDM00DLR_S_YYYYDDD0000_01D_MN.rnx.gz) under https://cddis.nasa.gov/archive/gnss/data/campaign/mgex/daily/rinex3/2020/brdm/ But in under th...