Agin there are two sites also in Ravna Gora:

 Ivancica :

GPS coordinates : take off : 46°10'48" (46.1802)N; 16°7'35" (16.1265)E - Elevation : 1002 m. 

 Ravna Gora :

GPS coordinates : take off : 46°16'16" (46.2712)N; 15°59'2" (15.9841)E - Elevation : 661 m.