Close range Accuracy assessment 1 Antennas 1 Arctangent 1 Bearing 1 Bivariate gaussian distributions 1 Cartesians 1 Cost engineering 1 Data acquisition 1 Data collection 1 Data handling 1 Engineering surveys 1 Extended Kalman filters 1 Flight planning 1 Gaussian 1 Gaussian distribution 1 Gaussian noise (electronic) 1 Gaussians 1 Highway planning 1 Kalman filter 1 Mapping 1 Mathematical transformations 1 Non-linear transformations 1 PDF 1 Polar transformations 1 Probability density function 1 Road design 1 Roads and streets 1 Small scale 1 State-variables 1