NAVIGATION Partim 1 Prof. Capt. M. Dauwe Student’s Workbook Table of ContentsClick on an item coloured blue to see its content and further ![]() ![]() Course Objectives ….. 2 ![]() Training Objective ….. 3 BASIC NAVIGATION (Module 1.1) ![]() a. From reality to Globe ….. 4 Geodesy ….. 4 b. References ….. 14 c. Basic elements ….. 17 Coordinate Systems ….. 17 d. Magnetic elements on earth ….. 20 Origin of Earth’s magnetism ….. 20 ![]() a. From sphere to chart ….. 25 b. Classes of charts ….. 26 c. Middle latitude chart and its properties ….. 29 d. Mercator chart and its properties ….. 32 1.1.3 Directions and bearings a. From true to compass ….. 37 Magnetic compass ….. 37 b. Courses and headings ….. 43 Dead reckoning principles ….. 45 c. Compass directions ….. 45 What reference lines do exist? ….. 46 d. Bearings ….. 50 ![]() a. Introduction geat circle and rhumbline ….. 51 What is a rhumb line ….. 51 b. Rhumb line sailing principles ….. 52 c. Parallel sailing ….. 53 What is parallel sailing ….. 54 d. Middle Latitude sailing ….. 54 e. Mercator sailing ….. 57 Course (Mercator construction) ….. 58 BASIC ASTRO-NAVIGATION (Module 1.2) ![]() a. Definition and universal units ….. 61 The story of creation ….. 61 Units Abbreviations and terms Starcluster ….. 65 b. Phenomenia ….. 75 Nebulae ….. 75 c. Milky Way ….. 77 d. Stars and Constellations ….. 80 But what is a star ….. 80 ![]() a. Composition ….. 84 The Origin of the Solar System ….. 84 b. Earth rotation and revolution ….. 85 Earth rotation ….. 85 c. Apparent and Absolute movements ….. 91 Apparent movement of the Sun and Ecliptica ….. 92 d. Precession and nutation ….. 93 Nutation ….. 97 1.2.3. Synodic and Sideral movements a. Basic theory ….. 99 b. Aries ….. 100 What is SHA (Sideral Hour Angle)? ….. 101 c. Relations ….. 102 ![]() a. Rotation and revolution ….. 105 Rotation ….. 105 b. Libration ….. 107 c. Phases and appearance ….. 111 1.2.5 Local geocentrical sphere a. Ecliptic coordinates ….. 112 b. Celestial sphere ….. 112 References of celestial sphere ….. 115 c. Local sphere ….. 116 d. Geographical sphere ….. 118 e. Local geocentrical sphere (composite) ….. 119 f. Navigation triangle ….. 121 g. Visible/unvisible and circumpolar bodies ….. 122 1.2.6 From observation by sextant to true altitude a. Index correction ….. 124 b. Visible and true horizon ….. 125 c. Earth’s atmospheric disturbances ….. 126 d. Parallax ….. 128 e. Semi diameter ….. 130 f. Summary ….. 131 |
