#proj +proj=stere +lat_ts=60 +lat_0=90 +lon_0=50 +k_0=1.0 +x_0=-1962800 +y_0=7405800 +ellps=GRS80 80/30/384/391 80/40/685/217 100/30/789/872 100/10/261/1501 110/60/1531/213 110/10/636/1765 110/50/1381/475 120/10/1052/1959 130/60/1806/313 130/50/1753/611 130/40/1697/926 140/60/1952/327 140/40/1952/949 140/30/1951/1295 140/20/1952/1682 160/60/2239/277 160/40/2452/860 160/30/2571/1186 160/20/2702/1549 170/60/2371/213 170/50/2522/475 170/40/2682/752 180/50/2685/360