"direction of radial vector away from instrument" . "Climate and Forecast (CF)" . . . "The direction_of_radial_vector_away_from_instrument is the direction in which the instrument itself is pointing. The direction is measured positive clockwise from due north. The \"instrument\" (examples are radar and lidar) is the device used to make an observation. \"direction_of_X\" means direction of a vector, a bearing." . .