8 datasets found
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Federal
Scaled Data from Analog Ionograms recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Ionospheric Parameters such as FoF2, FoF1, FoE derrived from hand scaling of analog Ionograms -
Federal
Geomagnetic aa Indices recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The geomagnetic aa indices are the continuation of the series beginning in the year 1868. A full description of these indices is given in the International... -
Federal
Values for the 15-minute Index of Geomagnetic Activity at High Latitude Stations (Geomagnetic Latitude 58 Degrees) recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives, on a monthly basis, Q indices from Sodankyla. These data... -
Federal
Ionograms - Digital recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Ionograms are recorded tracings of reflected high frequency radio pulses generated by an ionosonde. Unique relationships exist between the sounding frequency and the... -
Federal
Scaled Data from Digital Ionograms recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
All the data contributed come from 1957 through 1990. They have been digitized, reformatted, converted to universal time (the software also can display the data in... -
Federal
Ionograms - Analog recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Ionograms are recorded tracings of reflected high frequency radio pulses generated by an ionosonde. Unique relationships exist between the sounding frequency and the... -
Federal
Auroral Electrojet Index Designed to Provide a Global Measure, Hourly Intervals, of Auroral Zone Magnetic Activity recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The Auroral Electrojet (AE) index is designed to provide a global quantitative measure of auroral zone magnetic activity produced by enhanced ionospheric currents... -
Federal
Auroral Electrojet Index Designed to Provide a Global Measure, l-minute Intervals, of Auroral Zone Magnetic Activity recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The Auroral Electrojet index (AE) is designed to provide a global quantitative measure of auroral zone magnetic activity produced by enhanced ionospheric currents...
8 datasets found