lecture8\abs_pos.m ........\bancroft.m ........\b_point.m ........\check_t.m ........\ex1611.m ........\e_r_corr.m ........\find_eph.m ........\fixing1.m ........\get_eph.m ........\k_point.m ........\k_update.m ........\k_updatx.m ........\layout.gif ........\lec8.pdf ........\lorentz.m ........\normals.m ........\pta.nav ........\satpos.m ........\togeod.m ........\topocent.m ........\tropo.m lecture8