VTEC gradient GIM

(VTECg)

Last modified on Jul 6th, 2026

Status:

OnGoing

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Responsible Parties

PrincipalInvestigator: Organisation_UPC-IonSAT

Abstract

The rapid UQRG Global Ionospheric Map of Vertical Total Electron Content Gradient (GIM) are being generated by UPC-IonSAT since June 1st, 1998, as a contribution to the International GNSS Service (IGS). They are assessed and combined on a daily basis and, in this context, the UQRG GIM is typically one of the best, or the best, behaving GIM in the international community.

Documentation

VTEC gradient MAP
— 1997

Published 01/01/1997

Further Resources and Information

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Metadata Information

Editor	Polytechnic University of Catalonia
Version	1
Created	Monday 6th July 2026, 14:24
Last Modified	Monday 6th July 2026, 14:24