Articles | Volume 34, issue 11
https://doi.org/10.5194/angeo-34-999-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.Ionospheric tomography by gradient-enhanced kriging with STEC measurements and ionosonde characteristics
Data sets
Crustal Dynamics Data Information System (CDDIS) of the National Aeronautics and Space Administration (NASA), Receiver Independent Exchange Format (RINEX) files http://cddis.gsfc.nasa.gov
National Geophysical Data Center (NGDC) of the National Oceanic and Atmospheric Administration, Ionosonde Standard Archiving Output (SAO) files ftp://ftp.ngdc.noaa.gov/