Northwest Northeast Southeast Southwest Smithtown Reef Latitude Longitude 40°55.975 73°11.170 40°56.005 73°11.070 40°55.955 73°11.035 40°55.920 73°11.140 Loran C 26671.9 43916.3 26671.4 43916.5 26671.0 43916.1 26671.6 43915.8