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Volume 52 Supplement 10

Special Issue: Application of GPS and other space geodetic techniques to Earth Sciences (1)

Improving ambiguity resolution by applying ionosphere corrections from a permanent GPS array

Abstract

Fast and high precision relative GPS positioning over distances up to 100 km is mainly limited by errors in the GPS signals due to propagation through the Earth’s ionosphere. With permanent GPS arrays, which are present in many countries nowadays, it becomes possible to correct a user’s GPS measurements to a certain extent for these ionospheric delays. A way to do so is to interpolate the ionospheric delays which have been estimated from the network of permanent stations. When these ‘interpolated corrections’ are applied to the user’s data, the ionospheric delays may be reduced, which may lead to an improved ambiguity resolution for his (long) baseline.

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Correspondence to Dennis Odijk.

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Odijk, D. Improving ambiguity resolution by applying ionosphere corrections from a permanent GPS array. Earth Planet Sp 52, 675–680 (2000). https://doi.org/10.1186/BF03352262

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  • DOI: https://doi.org/10.1186/BF03352262

Keywords

  • Ambiguity Resolution
  • Ionospheric Delay
  • Permanent Station
  • Integer Ambiguity
  • Ionospheric Error