[IGSMAIL-7352] Properly Naming your Rinex 3 files

[nacho at canaryadvancedsolutions.com]

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.  It is now urgent that you implement the correct 
naming scheme for your RINEX 3 files as the old RINEX 2 names for the 
RINEX 3 files are no longer appropriate.

In the enclosed pdf is a set of recommendations that you may find useful 
using a new software for name conversion (RX3name), 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.

We are currently still receiving almost 15% of RINEX 3 files only in 
short names;

85.8 % stations using LongNames (145/169) @ CDDIS

Number of stations only using ShortName; 24
   bik0 gmsd gop6 gop7 jog2 kit3 lpgs m0se mizu nya2 obe4 ous2 pots rio2 
roap sgoc sutm tash ulab unb3 voim wind wroc wuh2


The RINEX 3 format clearly defines the new long naming structure: 
http://bit.ly/1YaodnI

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 Multi-GNSS IGS stations which are providing 
RINEX 3 Station Data Files (previously "MGEX 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, so continue to submit properly named 24 hour files (at 30s 
epochs), 1 hour files (at 30s) and 15 minute files (at 1 s) only.

RINEX 3 file deliveries with the short names can now be discontinued to 
avoid confusion, once you have confirmed the new filenames are fine.

RINEX 3 names can be generated with the new software which can be 
downloaded here;
http://acc.igs.org/software/RX3name_v16158_Linux_x86_64.tar.gz
http://acc.igs.org/software/RX3name_v16158_OSX.tar.gz
http://acc.igs.org/software/RX3name_v16158_SunOS5.8_64bit_Sparc.tar.gz

If you need more versions or you encounter a problem let me know to my 
private email.

RINEX 3 files with the correct long names are merged into the regular 
IGS GNSS data repository together with the RINEX 2 files, and you can 
see them there now, since the start of 2016.

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

Thanks to everyone that has already switched, from the CDDIS repository 
only 24 Multi-GNSS stations to go!

-- 
Best regards,
Nacho
_______________________________________________________________

Ignacio (Nacho) Romero
Aerospace Engineer, PhD
SAC @ ESA/ESOC/HSO-GN
IGS Infrastructure Committee
www.canaryadvancedsolutions.com
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