the Laborde Projection and the West Malaysia Rectified Skew Orthomorphic (RSO) Projection. DRAFT 3-13 CHARACTERISTICS PARALLELS MERIDIANS APPEARANCE OF PROJECTION ANGLE BETWEEN PARALLELS & MERIDIANS STRAIGHT LINE CROSSES MERIDIANS GREAT CIRCLE RHUMB LINE DISTANCE SCALE GRAPHIC ILLUSTRATION ORIGIN OF PROJECTORS DISTORTION OF SHAPES AND AREAS METHOD OF PRODUCTION NAVIGATIONAL USES CONFORMAL LAMBERT CONFORMAL POLYCONIC AZIMUTHAL EQUIDISTANT STRAIGHT LINES CONVERGING AT THE POLES MATHEMATICAL SUITABLE FOR ALL TYPES YES VARIABLE VARIABLE ANGLE CURVED LINE INCREASES AWAY FROM MID-MERIDIAN NO VARIABLE ANGLE CURVED LINE AERONAUTCS, RADIO ENGINEERING, AND CELESTIAL MAPS CURVED LINE APPROXIMATELY STRAIGHT LINE NEAR MID-MERIDIAN MATHEMATICAL NORTH-SOUTH STRIPMAPS CURVED LINES STRAIGHT LINES RADIATING FROM CENTER TRUE AT ALL AZIMUTHS FROM CENTER ONLY INCREASES AWAY FROM CENTER MATHEMATICAL ARCS OFCONCENTRIC CIRCLES NEARLY EQUALLY SPACED 90° VARIABLE ANGLE (APPROXIMATES GREAT CIRCLE) APPROXIMATED BY STRAIGHT LINE NEARLY CONSTANT SECANT CONE VERY LITTLE CENTER OF SPHERE (FOR ILLUSTRATION ONLY) ARCS OF CIRCLES NOT CONCENTRIC MID-MERIDIAN STRAIGHT ALL OTHERS CURVED VARIABLE FOR LARGE AREAS CENTER OF SPHERE (FOR ILLUSTRATION ONLY) CURVED LINES VARIABLE ANGLE NO GEOMETRIC APPLICATION CAN BE SHOWN NO