Abstract

Abstract Several stop-and-go kinematic GPS methods were used to coordinate a series of eight points over a one square kilometre area. Almost all coordinates agreed to within a few centimetres of one another, and with a network established using static GPS. However, several outliers (greater than 0.1m in at least one dimension) were identified on subsequent analysis, which could not be quantified at the time of the surveys. This highlights the need for quality assurance in GPS surveys in order to identify gross errors. Recommendations are made on survey procedures which may aid such identification.

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