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Geophysics. Cosmic physics
4
Meteorology. Climatology
4
QC801-809
4
QC851-999
4
ionosphere
ionogram
2
correlation
1
critical frequency
1
deep learning
1
doppler sounding
1
electron density
1
geomagnetic disturbances
1
global navigation satellite system (gnss)
1
height-time diagram
1
median height-time diagram
1
median value
1
pattern recognition
1
poes
1
spatial distribution
1
travelling ionospheric disturbances
1
weddell sea anomaly
1
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