LORAN STATION JOHNSTON ISLAND

LORAN A:
16 44 42.74 N 169 30 46.29 W (1960 Mercury Datum)

LORAN C:
16 44.8N - 169 30.5W (Oct 1, 1964)
16 44 43.950 N 169 30 31.200 W (WGS-72)
16 44 44.093 N 169 30 30.646 W (WGS-84)

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Fact Sheet:

Site Survey:	LORAN A: LORAN C: 9 OCT – 6 NOV 1959 Sand Island
Construction Date	LORAN A: APR 1957 – NOV 1957 – Johnston Island LORAN A/C:
Constructed by:
Established:	LORAN A: 1 NOV 1957 – Station commissioned – Johnston Island
Disestablished:	LORAN A: 30 JUN 1979 LORAN C: 01 JUL 1992
Operated by:	USCG
Chain:	LORAN A: HAWAIIAN LORAN C: SH-4, HAWAIIAN S-1, 4990 CENTRAL PACIFIC
Station Letter designation:	LORAN A: “O” LORAN C: MASTER
Station code name:	LORAN A: ELMO 14 LORAN C: DOOR V
Station Unit & or Accounting Number:	1960 - APO - 105 1961 - 14-350545 APO SF 96305 14-40156
Radio Call Sign:	NRO - LORAN C Net 1960 Johnston Island HAM - KJ6BV
Station nickname:
On-air testing date:	LORAN A: NOV 1957 (Johnston Island)
Operational date:	LORAN A: 08 JAN 1958 (Johnston Island) LORAN C: 011000Z JUL 1961
Operations Ceased:	LORAN A: 30 JUN 1979 LORAN C: 31 DEC 1992
Station Operation:	LORAN A: Single SLAVE/SECONDARY LORAN C: MASTER
Station pair:	LORAN A: FRENCH FRIGATE SHOALS LORAN C: KURE, UPOLO POINT
Loran Rate:	LORAN A: 2L7 LORAN C: SH-4, S-1, 4990
On-Air:	LORAN A: 2L7, 8 JAN 1958 LORAN C: SH-4, 011000Z JUL 1961 S-1, 1969 4990, 25 FEB 1975
Off-Air	LORAN A: 2L7, 302400Z JUN 1979 LORAN C:: SH-4, 1969 S-1, 25 FEB 1975 4990, 302400Z JUN 1992
Monitor Rate:	2L6, FRENCH FRIGATE SHOALS & KAUAI
Equipment:	LORAN A: LORAN C: 1961: AN/FPN-41/42, 300KW Mid 70's - AN/FPN-54, AN/FPN-60, LRE Mid 80's: AN/FPN-42, 225KW
Antenna Type:	LORAN A: 180 ft Transmission Tower LORAN C: 625ft TLM, Stainless Inc, Model 1300, 1961 - 03 DEC 1992 demolished
Personnel Allowance:
Station Mascot:	1961 - Bo and Jeff
Miscellaneous:	LORAN A: NOV 1954 – A site survey was on LAYSAN for LORAN A which was constructed on JOHNSTON ISLAND. APR – NOV 1957 Code name for shipments “GIFTS” 1 NOV 1957 Loran A Station commissioned however delay on air due to tube storage located on Johnston Island. LORAN A/C: 10 DEC 1959 – Formal permission granted from Secretary of Defense for use of Sand Island. 06 SEP 1960 Site Survey declassified Other sites considered LISIANSKI, FRENCH FRIATE SHOALS or LAYSAN under the code name DOOR V. 01 APR 1961 – LORAN A transmitting station relocated to Sand Island 01 JUL 1961 – A/C station located on Sand Island. 1962 - FISHBOWL - showed that Nuclear explosions affected the "D" layer some 5000 miles distance 1971 - 1972 Xfer gas from Okinawa 1976 - Station crew moved into AF barracks on Sand Island and commuted to station LORAN C: AUG 1984 - Station Personnel evacuated from station because of a typhoon. 03 DEC 1992 - Tower Demolished
Commanding Officers / Officers in Charge	LORAN A - Johnston Island 1^st CO: LTJG Mitchell Y. Suzich 01 NOV 1957 – 28 MAR 1958 2^nd CO: LTJG/LT J. F. Culbertson 28 MAR 1958 – 18 MAR 1959 3^rd CO: LTJG/LT William G. Hicks 18 MAR 1959 – 26 MAR1960 Last CO: LTJG William E. Morris 26 MAR 1960 – 28 MAR 1961 - (on Johnston Is.) LORAN A/C – Sand Island 1st CO: LTJG Ernest B. Acklin 28 MAR 1961 – 28 MAR 1962 2nd CO: LTJG Paul Welling 28 MAR 1962 – 31 MAR 1963 3rd CO: LTJG William Hayes 31 MAR 1963 – 6 APR 1964 4th CO: LTJG Peter N. Thurman 6 APR 1964 - 1965 CO: LTJG Harry Allen CO: LTJG John Miner 1971 - 1972 CO: LTJG James B. Clarke 1972 – 1973 CO: LTJG Donald Troutt 1973 - AUG 1973 CO: LT Enstrom AUG 1973 - 1974 CO: LTJG John Larned 1974 - NOV 1975 CO: LTJG David J. Wallace NOV 1975 - MAY 1976 CO: CWO Irv Gaines MAY 1976 - LORAN C: CO: CWO Ken Porter 1980 - FEB 1981 CO: CWO Coleman M Ray FEB 1981 - 1982 CO: CWO Gary Schenk 1983 - 1984 CO: CWO Roger Shell 1984 – 1985 CO: CWO Brad Waldron 1985 – 1986 CO: CWO Charles Knight 1987 - 1988 Last CO: CWO Terrance J. Brennan 1992 - 1993 CO: CWO Ray Stillman CO: CWO Tom Hoskins