Tracking systems usually use an emitter/sensor pair to determine a position of an object as well as measurement techniques such as the Time-of-Flight (ToF) [1] and the Angle-of-Arrival (AoA) [2]. They enable to determine distances, azimuths and elevation angles based on absolute time mea...
Abbreviations The following abbreviations are used in this manuscript: PXRF ICP–AES PTEs MOE GIS GPS CSV KML DEM TIN Portable X-ray fluorescence Inductively coupled plasma atomic emission spectrometry Potentially toxic trace elements Ministry of Environment Geographic information systems Global positioning ...