gLAB - FAQ

gLAB - Frequent Answered Questions

In this section, a compendium of the answered questions posed by the gLAB user comunity can be found:

Q) Has gLAB a Software User Manual (SUM)? Any Tutorial?

• Yes. gLAB SUM can be downloaded here. A dedicated tutorial can be found in section gLAB - GNSS Data Processing Lab Exercises.

Q) Are any data files distributed to test gLAB?

• A standard RINEX files package is distributed to do the SUM examples. 

Q)  Which minimum hardware requirements does gLAB need?

• gLAB requires the following computer minimum hardware requirements in order to be properly executed:
• 1 GB of memory.
• CPU with at least 1GHz.
• 1 GB of hard disk free space.
• Screen resolution of at least 1024x768 is recommended.

Q) Which Operating Systems (OS) does gLAB work under ?

• gLAB has been succesfully tested under Linux (Ubuntu 10.04 and above), Windows XP, Vista, 7, 8, 10. In Windows 7 and above it is recommended to install it directly on the C folder (i.e., C:/gLAB).

Q)  When working, with OpenSuse, gLAB fails to open the OUTPUT files

• gLAB will try to find an editor in "/usr/bin/gedit" and "/usr/bin/kedit", please install one of this editors.

Q) When clicking in "Open KML files" or "Open KML0 files", nothing happens.

• gLAB tries to open KML files with Google Earth (except in Windows, that it will use the system default application for KML files). Therefore, Google Earth should be installed in your system.

Q)  Does gLAB process Galileo/GLONASS satellites?

• Untill the moment, gLAB only reads Galileo/GLONASS Observation RINEXs to generate columnar output files. Read the tooltip of the Input message, in Positioning > Output > Messages > Input.

Q) Can gLAB and the associated tutorial be used for giving a lecture / seminar?

• Yes. If you feel appropiate, you may consider to cite the gLAB paper: 

• Hernández-Pajares M, Juan JM, Sanz J, Ramos-Bosch P, Rovira-Garcia A, Salazar D, Ventura-Traveset J, Lopez C, Hein G (2010) The ESA/UPC GNSS-Lab tool (gLAB): an advanced multipurpose package to process and analyse GNSS data. "5th ESA Workshop on Satellite Navigation User". Noordwijk: European Space Agency (ESA), 2010, p. 1-8.

Q)  Can I use gLAB for research ?

• Yes. As in the previous case, when papers containing results or illustrations obtained using gLAB are being published, you may consider to cite the gLAB paper.