Retrieval of the horizontal and vertical refractivity fields using GPS

O T Davies, C N Mitchell, P S J Spencer, P A Watson

Research output: Contribution to conferencePaper

Abstract

An investigation has been conducted into resolving the refractivity fields in the troposphere using tomographic techniques. Slant delays have been obtained using a network of ground based GPS receivers and then input into the tomography software. Results are presented that verify the accuracy of the GPS zenith delay measurement for two sites in the UK. Further results show a preliminary two-dimensional vertical slice of the troposphere, which compares favourably with a corresponding radiosonde profile
Original languageEnglish
Pages288-292 vol.1
Publication statusPublished - 2001
EventAntennas and Propagation, 2001. Eleventh International Conference on (IEE Conf. Publ. No. 480) -
Duration: 1 Jan 2001 → …

Conference

ConferenceAntennas and Propagation, 2001. Eleventh International Conference on (IEE Conf. Publ. No. 480)
Period1/01/01 → …

Keywords

  • tomography
  • Global Positioning System
  • tomographic techniques
  • delays
  • slant delays
  • electromagnetic wave refraction
  • UK
  • tropospheric electromagnetic wave propagation
  • troposphere
  • two-dimensional vertical slice
  • UHF radio propagation
  • satellite links
  • zenith delay measurement
  • vertical refractivity fields
  • GPS
  • horizontal refractivity fields

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