Ionosphere

More about Ionosphere Data at NGDC

Ionospheric Digital Database, 1994
	Two disc set containing 40,000 station-months of digitized vertical incidence parameters from 130 worldwide sites for the period from 1957 through 1990. Includes custom-designed access and display software.

Solar Variability Affecting Earth, 1990
	Collection of various solar-terrestrial and related global databases (to April 1990).

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Phone: 303 497-6826
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Email: ngdc.info@noaa.gov

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