SCIENTIFIC STATIONS TABLE 4-3 SCIENTIFIC STAY NG. DESCRIPTION | ITEM NO BLDG. NO. JOHNSTON ISLAND WORKING POINT COORDINATE | OTHER (UNITED KINGDOM OR OTHER FOREIGN ALLIES} AFTAC 91-11-11 91-11-2 Underground Bunker Underground Bunker 01075 | 01075 204 205 C/L west exterior N 199, 880 wall E 200,070 C/L west exterior N 199, 850 wall E 200, 030 USAF SAG 91-13-1 Atoll Wave Sensor 01115 91-13-2 Atoll Wave Sensor Equipment, Type II 01115 Equipment, Type IL 4-21 VOL Il April 1969