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Cosmic noise absorption
4
CNA
2
Imaging riometer
2
Maitri
2
Antarctica
1
Auroral electrojet
1
Auroral substorm
1
DCNA
1
GOES 13
1
Geomagnetic pulsations
1
Geomagnetic storm
1
Geomagnetic storms
1
Geomangetic storm
1
Geostationary satellites
1
Indian Antarctic station
1
Magnetospheric substorm
1
Pc5 Ocillations
1
Substorm
1
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