Tropospheric constraints imposed on the accuracy of radio interferometric coordinate measurements with the aid of interference frequency

Details Tropospheric constraints imposed on the accuracy of radio interferometric coordinate measurements with the aid of interference frequency Tropospheric constraints imposed on the accuracy of radio interferometric coordinate measurements with the aid of interference frequency

Nov 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977rael...22r2305d&link_type=abstract

(Radiotekhnika i Elektronika, vol. 22, Nov. 1977, p. 2305-2311.) Radio Engineering and Electronic Physics, vol. 22, Nov. 1977, p

Physics

2

Astrometry, Atmospheric Turbulence, Radio Interferometers, Troposphere, Turbulence Effects, Very Long Base Interferometry, Angular Resolution, Atmospheric Attenuation, Celestial Geodesy, Coordinates, Electrical Properties, Instrument Errors

Scientific paper

The paper presents a theoretical analysis of the effects of tropospheric turbulence on the accuracy of a very long baseline interferometry (VLBI) system. In particular, attention is given to the effects of turbulence on the accuracy of measurements of interference frequency and thus of the accuracy of associated coordinate measurements. It is shown that the tropospheric conditions limit the accuracy of individual angular measurements in a VLBI system by 0.01-0.02 arcseconds.

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