Geodetic quality assessment of a low-cost InSAR transponder

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Abstract

The geodetic quality of a low-cost commercial off-the-shelf InSAR transponder has been empirically assessed, both under controlled conditions and operationally for landslide monitoring. Comparison of 113 transponder-InSAR observations with independent validation measurements (levelling or GPS) yields a transponder precision range of 1.8-4.6 mm after outlier removal for double-difference (spatial and temporal) phase measurements in the satellite line of sight for Envisat and ERS-2, making it a compact and lightweight alternative to a corner reflector for C-band InSAR.

Original languageEnglish
Title of host publicationInternational Geoscience and Remote Sensing Symposium (IGARSS)
Pages1103-1106
Number of pages4
DOIs
Publication statusPublished - 2013
Event2013 33rd IEEE International Geoscience and Remote Sensing Symposium - Melbourne, VIC, Australia
Duration: 21 Jul 201326 Jul 2013
Conference number: 33

Conference

Conference2013 33rd IEEE International Geoscience and Remote Sensing Symposium
Abbreviated titleIGARSS 2013
CountryAustralia
CityMelbourne, VIC
Period21/07/1326/07/13

Keywords

  • corner reflector
  • crustal deformation
  • InSAR
  • measurement precision
  • transponder

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