[IGS-DCWG-211] BRDM/BRDX files ... now with longnames!

[Nacho Romero]

Dear IC and DC members,

We need your comments and advice . DLR has been producing the brdm/brdx 
files for a long time and they are stored in the MGEX data directory 
using short names. In the effort to implement recommendations 2018-5 & 
2018-7 we need the campaign/mgex data directories in all the Data 
Centers to stop growing and the brdm/brdx will have to stop.

CDDIS and the DLR (Peter Steigenberger and Oliver Montenbruck) have 
agreed to start publishing longname brdm/brdx files in the full 
repository as well as short name files in the campaign/mgex as before. 
It is DLR's intention to dual submit the files until the end of January 
2020 and then submit just the longname files.

I need to ask for your agreement and insights moving forward about 
discontinuing the brdm/brdx in 02/2020 and the integration of the files 
with longnames into the normal /brdc directory in parallel with the 
other files, you can find the BRDM00DLR and BRDX00DLR in the normal brdc 
location, at cddis;

ftp://cddis.nasa.gov/gnss/data/daily/2019/brdc/

and by sync at the GSSC;

ftp://gssc.esa.int/gnss/data/daily/2019/brdc/


The brdm/brdx files will still be stored at the normal place at BKG and 
IGN I suppose;

IGN: ftp://igs.ign.fr/pub/igs/data/campaign/mgex/daily/rinex3/2019/330

BKG: https://igs.bkg.bund.de/root_ftp/MGEX/BRDC_v3/2019/330/


I am assuming that by sync the BRDM00DLR/BRDX00DLR will find their way 
to the normal /brdc storage at all Data Centers but please confirm to 
DLR (in cc) in case they should proceed in a specific way as DLR uploads 
to BKG and IGn directly these files . Thanks.

For BKG since their own product merged navigation product BRDC00WRD (as 
well as legacy brdc files for GPS and GLONASS) is available at 
https://igs.bkg.bund.de/root_ftp/IGS/BRDC/2019/330/ so this might be a 
good place also for BRDM00DLR.

If there is any concern with this please let all of us know or at least 
Peter S. in cc. Thanks.

We are also starting to plan how to move pre-2016 station data files 
from the campaign/mgex directories into the regular repository (after 
renaming them correctly with longnames as needed of course). This is a 
more tricky affair than initially thought so I wanted to get agreement 
on the brdm/brdx issue and if no objection is raised then we move on to 
the other issue.

Thanks again.

-- 
Best regards,
Nacho
_______________________________________________________________

Ignacio (Nacho) Romero
Aerospace Engineer, PhD
CSC Ltd @ ESA/ESOC/OPS-GN
Satellite Navigation Engineer @ ESOC Navigation Support Office
IGS Infrastructure Committee Chair
www.navigation-office.esa.int
www.canaryspaceconsulting.co.uk
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