Transmission media effects on precise Doppler tracking

Details Transmission media effects on precise Doppler tracking Transmission media effects on precise Doppler tracking

Sep 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978clus.nasa..450c&link_type=abstract

In its A Close-up of the Sun p 450-456 (SEE N78-32964 23-92)

Physics

1

Doppler Radar, Radio Signals, Tracking (Position), Transmissivity, Atmospheric Scattering, Doppler Effect, Earth Ionosphere, Signal Transmission, Solar Wind, Troposphere

Scientific paper

The effects of the transmission media - the earth's troposphere and ionosphere, and the solar wind - on precise Doppler tracking are discussed. The charged particle effects can be largely removed by dual frequency observations; however there are limitations to these corrections (besides system noise and/or finite integration times) including the effects of magnetic fields, diffraction, and differential refraction, all of which must be carefully evaluated. The earth's troposphere can contribute an error of delta f/f approximately 10 to the minus 14th power.

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