CHAPTER Il, SECTION 3 STATION: J-660.03 USER: DOD/EG&G SITE: Johnston Island PURPOSE: Photo Station USER: DOD/ESL PARTICIPATION: J-40, J-41 PURPOSE: Radar Set DESIGN PSI: None PARTICIPATION: J-40, J-41 CONSTRUCTION: 6-1-58/6-5-58 DESIGN PSI: Each station consisted of a 10-foot-square stabilized area located on each of three sides of None CONSTRUCTION: 5-9-58. 7-7-58 This radar station occupied the waiting room of the existing underground hospital, the Station 6001 working point. STATIONS: J-947.01 and .02 SITE: Johnston Island 24x28 feet and 24x45 feet, at one end. Three USER: EG&G /DOD The building had been previously partitioned into several rooms and areas. The waiting room PURPOSE: Photo Station Building P-405. The buildilng was a concrete structure, 34x106 feet, with additional portions, concrete tunnel ramp entries provided access. was 14x16 feet and was modified for use as the station. Power from the existing panel in the room was carried to a new junction box. The door openings were sealed, and the room was air conditioned by a new 1200-cfm unit located outside the building on the ground surrface. A 3\4-foot-square concrete block was placed out- side the building to support a User-furnished antenna. STATION: J-831 SITE: Johnston Island USER: DOD /EG&G PURPOSE: PARTICIPATION: DESIGN PSI: CONSTRUCTION: Zenith Tracking J-40, J-41 None 6-2-58/6-21-58 The 10-foot-square concrete slab at this station had clear lines of sight to Stations 40 and 41. A 20x10-foot area behind the slab was stabilized. Scientific line power was furnished to the area. STATION: SITE: USER: PURPOSE: PARTICIPATION: DESIGN PSI: CONSTRUCTION: J-910 Johnston Island DOD/CDC Rocket Station J-40 None 5-12-58/5-29-58 This station originally utilized the slab for the Station 612 and is described under Station 612. However, prior to the TEAK event, this station was relocated to the extreme southwest end of the island. STATIONS: J-930.01, .02, .03 SITE: Johnston Island Page 132 PARTICIPATION: None DESIGN PSI: None CONSTRUCTION: None These 8-foot-square support areas were de- signed to support camera equipment. Station J-947.01 was to be a concrete slab on the west end of the island. Station J-947.02 was to be an 8-foot-square steel plate placed on the proposed barge, Midot Station 3240.03, but with the cancellation of the barge station, both J-947 stations were subsequently cancelled. STATION: J-1030 SITE: Johnston Island USER: LASL PURPOSE: Optic and Recording Station PARTICIPATION: J-40, J-41 DESIGN PSI: None CONSTRUCTION: 5-8-58/7-7-58 This station utilized a new structure in joint occupancy with Station J-1810. The building was 48x64 feet, varying in height from 8 to 12 feet. A 12-inch-thick concrete slab supported the timber framed structure. The roof was insulated with sheets, and the exterior walls were covered with plywood on the outside. Station J-1030 occupied an area 23x54 feet and was divided into six rooms, all air-conditioned. The two collimator rooms “A” and “B” were located along the front of the building; Room “A” was 10x27 feet, Room “B” was 10x15 feet. Collimator Room “A” was insulated with Celotex, contained a double 6-foot door and 36 feet of 4x4-inch plywood cable duct. The front wall contained 4-foot-square hinged-down plywood shutters. Two sliding panels, 8x10 feet and 8x15 feet, were located in the roof over the room.