The mark consists of the design of a stylized navigational compass with an eight-point star in the middle and the compass needle pointing northeast. The design is composed of a shaded circle and three concentric circle outlines. The letters "N", "E", "S", and "W" appear around the eight-point star on the shaded circle. The numbers "0", "20", "40", "60", "80", "100", "120", "140", "160", "180", "200", "220", "240", "260", "280", "300", "320", and "340" and tick-mark indications of degrees appear around the circle between the first and second concentric circle outlines.
Color is not claimed as a feature of the mark.