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AMNE:(NATURVETENSKAP Geovetenskap och miljövetenskap Annan geovetenskap och miljövetenskap)
 

Search: AMNE:(NATURVETENSKAP Geovetenskap och miljövetenskap Annan geovetenskap och miljövetenskap) > (1980-1989) > Geodesy by radio in...

  • Davis, J.L (author)

Geodesy by radio interferometry: Effects of atmospheric modeling errors on estimates of baseline length

  • Article/chapterEnglish1985

Publisher, publication year, extent ...

  • 1985
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:e18d5a8e-4acf-42de-8a61-4a469b38a0cd
  • https://research.chalmers.se/publication/154491URI
  • https://doi.org/10.1029/RS020i006p01593DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Analysis of very long baseline interferometry data indicates that systematic errors in prior estimatesof baseline length, of order 5 cm for ~8000-km baselines, were due primarily to mismodeling of theelectrical path length of the troposphere and mesosphere ("atmospheric delay"). Here we discussobservational evidence for the existence of such errors in the previously used models for the atmosphericdelay and develop a new "mapping" function for the elevation angle dependence of this delay. Thedelay predicted by this new mapping function differs from ray trace results by less than ~5 mm, at allelevations down to 5° elevation, and introduces errors into the estimates of baseline length of •

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Herring, T.A. (author)
  • Shapiro, I.I. (author)
  • Rogers, A.E.E. (author)
  • Elgered, Gunnar,1955Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)kge (author)
  • Chalmers tekniska högskola (creator_code:org_t)

Related titles

  • In:Radio Science20:6, s. 1593-16070048-66041944-799X

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