Difference between revisions of "Dictionary:Refraction count"
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The difference between Doppler frequency count from a navigation satellite for radio waves of different frequencies. Ionospheric refraction (which is inversely proportional to frequency) can be determined from the differences, allowing one to correct for the refraction when elevation angles are above 7.5 degrees. | The difference between Doppler frequency count from a navigation satellite for radio waves of different frequencies. Ionospheric refraction (which is inversely proportional to frequency) can be determined from the differences, allowing one to correct for the refraction when elevation angles are above 7.5 degrees. | ||
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Revision as of 23:21, 10 June 2017
The difference between Doppler frequency count from a navigation satellite for radio waves of different frequencies. Ionospheric refraction (which is inversely proportional to frequency) can be determined from the differences, allowing one to correct for the refraction when elevation angles are above 7.5 degrees.