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Volume 52 Supplement 10

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

Airborne GPS kinematic positioning and its application to oceanographic mapping


Precise, long-range, airborne GPS kinematic positioning requires the use of carrier phase measurements, the data processing of which suffers from the technical challenges of “on-the-fly” ambiguity resolution and cycle slip repair. In this paper the authors describe how the combination of an ‘ambiguity recovery’ technique and a ‘linear bias correction’ method has been used to support oceanographic mapping in Australian waters, together with the augmentation from the Laser Airborne Depth Sounder (LADS) system. Two experiments, carried out on the 4th December 1997 in the Torres Strait between Papua New Guinea and Australia, and on the 20 May 1998 at Lake Argyle in Australia, were analysed. The results indicate that the topography of the water surface can be obtained with sub-decimetre accuracy, with a spatial resolution of a few metres. The main errors are attributable to multipath interference of the GPS signals at the antennas from the aircraft surface.


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Correspondence to Shaowei Han.

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Han, S., Rizos, C. Airborne GPS kinematic positioning and its application to oceanographic mapping. Earth Planet Sp 52, 819–824 (2000).

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  • Ambiguity Resolution
  • Geoid Height
  • Integer Ambiguity
  • Cycle Slip
  • Multipath Effect