TY - JOUR A1 - Essel, B. A1 - McDonald, J. A1 - Bolger, M. A1 - Cahalane, C. T1 - INITIAL STUDY ASSESSING THE SUITABILITY OF DRONES WITH LOW-COST GNSS AND IMU FOR MAPPING OVER FEATURELESS TERRAIN USING DIRECT GEOREFERENCING JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLIII-B2-2022 SP - 37 EP - 44 Y1 - 2022/05/30 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLIII-B2-2022/37/2022/ L1 - https://isprs-archives.copernicus.org/articles/XLIII-B2-2022/37/2022/isprs-archives-XLIII-B2-2022-37-2022.pdf DO - 10.5194/isprs-archives-XLIII-B2-2022-37-2022 ER -