NIST Digital Archives

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The U.S. National Institute of Standards and Technology (NIST) was founded in 1901 and is now part of the U.S. Department of Commerce. NIST is one of the nation's oldest physical science laboratories. Congress established the agency to remove a major challenge to U.S. industrial competitiveness at the time—a second-rate measurement infrastructure that lagged behind the capabilities of the United Kingdom, Germany, and other economic rivals.

Since their inception, they have studied a wide variety of topics and have produced many research papers on the subjects. Many of the papers have been archived and are available online at the NIST Digital Archive.

Below are a sampling of the research papers related to radio. This is by no means their entire selection, but a only a sample to get started. Click on the NIST Digital Archive link above to do your own searching.

The Ionosphere (aka Kennelly-Heaviside Layer)

Studies of the ionosphere and their application to radio transmission

Preliminary note on an automatic recorder giving a continuous height record of the Kennelly-Heaviside layer

Continuous measurements of the virtual heights of the ionosphere

Investigations of Kennelly-Heaviside layer heights for frequencies between 1,600 and 8,650 kilocycles per second

Kennelly-Heaviside layer height observations for 4,045 and 8,650 kc

The cause and elimination of night effects in radio range-beacon reception

Radio Propagation and the Solar Eclipse

Radio observations of the Bureau of Standards during the solar eclipse of August 31, 1932

Ionosphere studies during partial solar eclipse of February 3, 1935

Predictions of normal radio critical frequencies related to solar eclipses in 1940

D-region absorption at 10 and 15 mc/s during the total solar eclipse of July 20, 1963

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