tecm

North America
Total Electron Content Model
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Day Number (day)
Start
End
Interval
between 1-365
Local Time (hour)
Start
End
Interval
between 0-24
Geodetic Longitude (degree)
Start
End
Interval

between -135 --- -48 E

Geodetic Latitude (degree)

Start
End
Interval
for NATEC: 21-65
Solar Activity
F107
Fbar
F107: monthly mean; Fbar: 81-day mean between 70-300
Magnetic Activity
ap index
Ap index; between 0-100

     
Reference
Zhang, S.-R., Z. Chen, A. J. Coster, P. J. Erickson, and J. C. Foster (2013), Ionospheric symmetry caused by geomagnetic declination over North America, Geophys. Res. Lett., 40, 5350-5354, doi:10.1002/2013GL057933.
Chen Z.-W., S.-R. Zhang, Anthea Coster, and Guangyou Fang (2015), EOF analysis and modeling of GPS TEC climatology over North America J. Geophys. Res. Space Phys., DOI: 10.1002/2014JA020837.