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2 datasets found

Federal

Ionospheric Values (Daily Work Sheets), F-Plots, Tabulations, Booklets, Catalogs, and Log Books recent views

National Oceanic and Atmospheric Administration, Department of Commerce —

These ionospheric data consist of scaling notes, equipment usage logs, and ionospheric values in the form of daily work sheets, F-Plots, tabulations, and booklets....
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Federal

Photographic Records Showing the Variations of the Virtual Height of Reflection as a Function of the Radio Frequency recent views

National Oceanic and Atmospheric Administration, Department of Commerce —

The standard (analog) ionosonde produces photographic records known as ionograms, which show the variations of the virtual height of reflection as a function of the...
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2 datasets found

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