Quantification of the Accuracy of Low Priced GPS Receivers for Crash Location

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dc.creatorSando, Thobias
dc.creatorMussa, Renatus
dc.creatorSobanjo, John
dc.creatorSpainhour, Lisa
dc.date2017-04-01T16:41:21Z
dc.date.accessioned2026-07-09T09:24:02Z
dc.descriptionGlobal positioning system (GPS) has been identified as a potential tool for capturing crash location data. This study quantifies factors that could affect the accuracy of GPS receivers. The results showed that GPS receiver orientation, site obstructions, and weather have significant effects on the accuracy of GPS receivers. Time of day and number of satellites were not found to significantly affect the accuracy of GPS receivers. HDOP values of 1.2 or less were found to be adequate for crash location purposes. An accuracy improvement of 20.7% was realized by filtering GPS data based on HDOP values.
dc.identifierdoi:10.22004/ag.econ.206756
dc.identifierhttps://ageconsearch.umn.edu/record/206756/files/821-931-1-PB.pdf
dc.identifierhttp://ageconsearch.umn.edu/record/206756
dc.identifier.urihttp://hdl.handle.net/123456789/608599
dc.languageeng
dc.publisher
dc.sourcehttp://ageconsearch.umn.edu/record/206756
dc.titleQuantification of the Accuracy of Low Priced GPS Receivers for Crash Location
dc.typeText

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University of Minnesota