Fontoura da Costa A. Astronomical Fixes by Azimuth — Astronomical Fixes by Simultaneous Altitude and Azimuth of the Sun - Radiogoniometric Fixes for Distances nearer the Station. IHR [Internet]. 2018 May 30 [cited 2024 Jun. 18];(2). Available from: https://journals.lib.unb.ca/index.php/ihr/article/view/27589