[IGSMAIL-7238] Properly Naming your Rinex 3 files

Nacho Romero nacho at canaryadvancedsolutions.com
Wed Jan 27 09:37:52 PST 2016

Authors: Nacho Romero, Infrastructure Committee Chair
          David Maggert, Network Coordinator

To all station data providers currently providing Rinex 3 files as part 
of the IGS network.  Please at your earliest convenience implement the 
correct naming scheme for your Rinex 3 files as the old Rinex 2 names 
for Rinex 3 files are no longer appropriate.

Enclosed in the pdf is a set of recommendations that you may find 
useful, but many different organizations have implemented their own 
renaming methods, and some vendors already allow correct naming of Rinex 
3 files but clearly not all so some action from Station Operators is needed.

The Rinex 3 format clearly defines the new naming structure: 

To find your "IGS station long name" go to http://igs.org/network click 
on "options" , and in the first column "Site" select the checkbox "Long 
Name" to show the name expected by the IGS for all stations.  If you 
disagree with the country code in the Long Name assignment please inform 
us quickly so as to avoid confusion, for now all stations have "00" for 
receiver and antenna.

Again this affects only Rinex 3 Station Data Providers (previously "MGEX 
stations", now called "multi-GNSS stations") .

The data files acceptable for the IGS continues to be; Daily (30sec), 
Hourly (30 sec) and Highrate (1sec) 15 min files. The "expected" name is 
assumed, if you have doubts please let us know. If you base your long 
name on the current filenames you are delivering as part of "mgex" then 
the name will be fine. Rinex 3 filenames are very flexible for the 
benefit of the entire GNSS community, but the IGS will not be taking 
advantage of that full flexibility.

RINEX 3 file deliveries with the old names can be discontinued if you 
want, once you have implemented the new filenames, but they will 
continue to be accepted in parallel for six months if you want to 
continue to submit them and will be stored as always in the /mgex 
campaign directories in the different IGS Data Centers. RINEX 3 files 
with the correct long names will be merged into the regular IGS GNSS 
data repository together with the Rinex 2 data, and you can see them in 
there since the start of 2016.

Rinex 2 files with their standard names can be submitted in parallel to 
Rinex 3 files for as long as you want, as they may serve different 
communities, all RINEX files will now be stored together for easier 
access and "discoverability" by all GNSS data users.

Best regards,

Ignacio (Nacho) Romero
Aerospace Engineer, PhD
IGS Infrastructure Committee
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