GRACE Electron Density derived from the K-Band Ranging System (KBR)

When using the data please cite: 
Xiong, C.; Lühr, H.; Stolle, C. (2021): GRACE Electron Density of the K-Band Ranging System (KBR). V. 0101. GFZ Data Services. https://doi.org/10.5880/GFZ.2.3.2021.003

The data is stored in ASCII format one file per day. The file naming convention is KBRNE_YYYY_MM_DD.dat. The columns are defined  as:
YY: year
MO: Month
DD: Day
HH: Hour
MM: Minute
SS: Second
R: Radius in km
glat: Geographic latitude
glon: Geographic longitude
apex_lat: Apex latitude
qd_lat: Quasi-dipole laitude
qd_lon: Qusi-dipole longitude, quata to apex longitude
mlt: Magnetic local time
Ne: Electron density in cm^-3, please ignore the negative value

Contacts: Claudia Stolle (cstolle@gfz-potsdam.de), Ingo Michaelis (ingo.michaelis@gfz-potsdam.de)

Key References:
Xiong, C., Park, J., Lühr, H., Stolle, C., & Ma, S. Y. (2010). Comparing plasma bubble occurrence rates at CHAMP and GRACE altitudes during high and low solar activity. Annales Geophysicae, 28(9), 1647–1658. https://doi.org/10.5194/angeo-28-1647-2010
Xiong, C., Lühr, H., Ma, S. Y., & Schlegel, K. (2015). Validation of GRACE electron densities by incoherent scatter radar data and estimation of plasma scale height in the topside ionosphere. Advances in Space Research, 55(8), 2048–2057. https://doi.org/10.1016/j.asr.2014.07.022

License: Creative Commons Attribution 4.0 International (CC BY 4.0), https://creativecommons.org/licenses/by/4.0/