Hun Kal (crater) country chart. McAuliffe recorded through the 1960s. In the 1970s, he participated in a reunion of the Texas Playboys. In the 1980s, McAuliffe along with Eldon Shamblin and Junior Brown, taught music at Rogers State University in Claremore, Oklahoma. Leon McAuliffe William Leon McAuliffe (January 3, 1917 – August 20, 1988) was an American Western swing guitarist who was a member of Bob Wills and His Texas Playboys during the 1930s. He was posthumously inducted into the Rock and Roll Hall of Fame as a member of that band, and was a member of the Steel Guitar Hall of Fame. Biography	Leon McAuliffe
18768712	Hun Kal (crater) Hun Kal (crater) Hun Kal is a small (about 1.5 km in diameter) crater on Mercury that serves as the reference point for the planet's system of longitude. The longitude of Hun Kal's center is defined as being 20° W, thus establishing the planet's prime meridian. The name Hun Kal" means '20' in the language of the Maya. Hun Kal was chosen as a reference point since the actual prime meridian was in shadow when "Mariner 10" photographed the region, hiding any features near 0° longitude from view. The prime meridian of Mercury is thermocentric , it runs through the point on the equator where the planet is hottest (due to the planet's rotation and orbit, the sun briefly retrogrades at noon at this point during perihelion, giving it more sun). Hun Kal (crater) Hun Kal is a small (about 1.5 km in diameter) crater on Mercury that serves as the reference point for the planet's system of longitude. The longitude of Hun Kal's center is defined as being 20° W, thus establishing the planet's prime meridian. The name "Hun Kal" means '20' in the language of the Maya. Hun Kal