Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 37, issue 4
Articles | Volume 37, issue 4
https://doi.org/10.5194/angeo-37-699-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-37-699-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 37, issue 4
Regular paper
 | 
12 Aug 2019
Regular paper |  | 12 Aug 2019

High-resolution vertical total electron content maps based on multi-scale B-spline representations

Andreas Goss, Michael Schmidt, Eren Erdogan, Barbara Görres, and Florian Seitz

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Cited articles

Bassiri, S. and Hajj, G.: High-order ionospheric effects on the global positioning system observables and means of modeling them, Manuscr Geodetica, 18, 280–289, 1993. a
Bundesamt für Kartographie und Geodäsie, available at: ftp://igs.bkg.bund.de/IGS/nrt/TS6/, last access: 9 August 2019. 
CDDIS: GNSS data, available at: ftp://cddis.gsfc.nasa.gov/pub/gps/data/hourly/TS5, last acces: 9 August 2019. 
Crustal Dynamics Data Information System: The global VTEC maps in IONEX format used in the comparisons, available at: ftp://cddis.gsfc.nasa.gov/gnss/products/ionex/, last access: 9 August 2019. 
Dach, R. and Jean, Y.: International GNSS Service – Technical Report 2012, Tech. Rep., available at: ftp://igs.org/pub/resource/pubs/2012_techreport.pdf (last access: 8 August 2019), 2013. a
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This paper describes an approach to model VTEC solely from NRT GNSS observations by generating a multi-scale representation (MSR) based on B-splines. The unknown model parameters are estimated by means of a Kalman filter. A number of products are created which differ both in their spectral and temporal resolution. The validation studies show that the product with the highest resolution, based on NRT input data, is of higher accuracy than others used within the selected investigation time span.
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