TY - JOUR T1 - Navigator Notes JF - NAVIGATION: Journal of the Institute of Navigation JO - NAVIGATION DO - 10.33012/navi.525 VL - 69 IS - 2 SP - navi.525 AU - Dr. Richard B. Langley Y1 - 2022/06/20 UR - https://navi.ion.org/content/69/2/navi.525.abstract N2 - ER -