The azimuthal equidistant projection is an azimuthal map projection. One such method is the polar azimuthal equidistant projection. Many modern star chart planispheres use the polar azimuthal equidistant projection. In 1772 he created the Lambert conformal conic and Lambert azimuthal equal-area projections. The flag of the United Nations contains an example of a polar azimuthal equidistant projection. This leaves the azimuthal angle formula 39 defined the same as in cylindrical coordinates. As with all azimuthal projections, angles from the tangent point are preserved. It shows significant unexplained azimuthal variations in normal optical depth and width. The azimuthal angle formula 7 belongs to the interval formula 8. All rings of Uranus show azimuthal brightness variations. This average is over all azimuthal angles. The azimuthal angle formula 8 can fall anywhere on a full circle, between formula 9. Typically, they are regarded as forming the ascending azimuthal localization pathway. Hz reference signal delayed in phase to match the azimuthal position of each individual antenna.