LORAN STATION NANTUCKET

Station Information

Site Survey:	Loran A: DEC 1942 Loran C: OCT 1960 site survey report
Construction Date:	Loran A: FEB - JUL 1943 1949: Station rebuilt Loran C: 1961 - 1962 1985: Loran C operation relocated under tower, new building
Constructed by:	Loran A: 1943 - Construction Detachment "B" (7 Quonset huts, typical Loran station construction)
Established: Commissioned:	Loran A: Established: JUL 1943 Commissioned: Loran C: Established: 1962 Commissioned:
Decommissioned: Disestablished:	Loran A: 312400Z DEC 1980 Service terminated Loran C: Decommissioned: 03 SEP 2010 Disestablished: 30 SEP 2010
Operated by:	USCG
Station Project code name:	Loran A: SUGAR Loran C: CLOSE I
Station Unit Identifier:	Loran A: 1943 CG Unit 10 Loran A/C: 1967 01-40106
AKA:	Unit 10 SIASCONSET
Mail address:	1949: CG Loran Transmitting Station, Nantucket, Mass 1976: USCG Loran A/C Station Nantucket; Siasconset, MA 02564
HAM Call sign:	N/A
Personnel Allowance:	JUL 1943 - 1 Officer; 24 Enlisted JAN 1953 - 13 Enlisted 1960 - 14 Enlisted JUL 1962 - 2 Officers; 26 Enlisted AUG 1985 - 4 Enlisted
Station Mascot:
Miscellaneous:	1943 - 1945 - Served as a training, testing and operational station. Over 1500 USCG, WRCNS, U.S. Army and U.S. Navy personnel received operational training during WWII. JUL 1944 - 1945 Testing of Long Baseline LORAN JUN 1950 - Loran station personnel quartered in old Sankaty Light Keepers quarters. 27 FEB 1952 - Northeaster struck New England area - 120ft vertical radiator toppled.. 01 JUL 1943 - 01 AUG 2010 Longest active Loran Station
Commanding Officer/ Officer in Charge:	LORAN-A 1943 - 1944 LTJG William P. Clark (AUG - FEB) 1944 - 1945 LTJG William J. Collis (FEB - ?) 1945 - 1946 LTJG Calvin Woolley 1946 - 1947 1947 - 1948 1948 - 1949 ETC Walter C. Hamner (? - 31 OCT) 1949 - 1950 ETC David F. Ray (31 OCT - ?) 1950 - 1952 RELE Leslie A. Mears (? - OCT) 1952 - 1954 ETC Harold L. Anderson (OCT - ?) 1954 - 1955 1955 - 1956 1956 - 1957 1957 - 1958 ETC Jack Cromwell 1958 - 1959 RELE Charles W. Price 1959 - 1960 1960 - 1961 1961 - 1962 LORAN-A/C 1962 - 1963 LT Warren J. Fredericks 1963 - 1964 LTJG Roger T. Ostrom 1964 - 1965 1965 - 1967 LTJG Dwight W. Shores 1967 - 1970 1970 - 1973 LTJG John F. Weseman 1973 - 1975 LTJG Charles T. Winfrey 1975 - 1977 LTJG William D. Kline (? - 08 MAY) 1977 - 1978 LTJG William S. Vlcek (08 MAY - 12 DEC) 1978 - 1980 LTJG Richard L. Ryan (12 DEC - ?) LORAN-C 1980 - 1982 LTJG Brooke E. Winter (? - 25 JUN) 1982 - 1984 CWO Joseph S. Puntio (25 JUN - 27 APR) 1984 - 1986 CWO David F. Fronzuto (27 APR - 22 AUG) 1986 - 1987 ETC William C Dietz (22 AUG - 06 MAR) 1987 - 1990 ETC Joseph K. Jester (06 MAR - ?) 1990 - 1992 1992 - 1994 1994 - 1996 1996 - 1998 1998 - 2000 2000 - 2002 2002 - 2004 ETC John Dreger 2004 - 2008 ETC Martin Hezeltine (? - JAN) 2008 - 2010 ETC Shane J. Hyde (JAN - AUG)

Change of Command

31 OCT 1949 - ETC Hamner/ETC Ray - pdf

12 DEC 1977 - LTJG Vlcek / LTJG Ryan CoC Invitation - jpg

LORAN-A

41 14 56.19 N - 69 58 30.04 W (1H4, 3H4) (1960 Mercury Datum)
41 14 59.31 N - 69 58 20.36 W (1H3, 1H7) (1960 Mercury Datum)

Chain:	NORTH ATLANTIC 1943 - 1950 U.S. EAST COAST 1950 - 1980
Station Letter designation:	1H3; 3H4; 1L0; 1L1 - "S" 1H7; 3H5 - "N"
Radio Call Sign:
Operational date: Declared Operational date:	01 JUL 1943 10 DEC 1943
Operations Ceased:	312400Z DEC 1980
Station Operation:	1943 - 1951 Double MASTER (DM) 1951 - 1971 Double MASTER (DM), Single SLAVE (SS) 1971 - 1980 Triple MASTER (TM), Single SLAVE/SECONDARY (SS)
Station pair: Loran rate: Coding delay: Baseline: Station pair: Loran rate: Coding delay: Baseline: Station pair: Loran rate: Coding delay: Baseline: Station pair: Loran rate: Coding delay: Baseline: Station pair: Loran rate: Coding delay: Baseline: Station pair: Loran rate: Coding delay: Baseline:	NANTUCKET (M) - FENWICK (S) 1L0 N/A Approx. 209 Nautical miles NANTUCKET (M) - BACCARO (S) 1L3; 1H3 N/A Approx. 240 Nautical miles NANTUCKET (M) - BODIE ISLAND (S) 1L0 N/A Approx. 415 Nautical miles NANTUCKET (M) - CAPE HATTERAS (S) 1H4; 3H4 N/A Approx. 266 Nautical miles NANTUCKET (S) - SANDY HOOK (M) 1H0; 1H5, 3H5 1000us Approx. 189 Nautical miles NANTUCKET (M) - MARSHALL POINT (S) 1H7 N/A Approx. 163 Nautical miles
On-air testing date:	5L0 - JUL 1944 - 1945 Loran High Freq (10.585Mhz)
On-Air limited service	1L0, 012200Z JUL 1943 1L1, 012200Z JUL 1943
On-Air:	1L0, 10 DEC 1943 (FENWICK) 1L1, 10 DEC 1943 (BACCARO) 1L0, 010001Z FEB 1945 (BODIE IS.) 1H4, 010001Z JAN 1950 (CAPE HATTERAS) 1H3, 01 FEB 1950 (BACCARO) 1H0, 1950 (SANDY HOOK) 1H5. 1951 (SANDY HOOK) 3H4, 1968 (CAPE HATTERAS) 3H5, 1968 (SANDY HOOK) 1H7, 1971 (MARSHALL POINT)
Off-Air:	1L0, 010001Z FEB 1945 - FENWICK operations shifted to BODIE IS. 1L0, 010001Z JAN 1950 - BODIE IS. operations shifted to CAPE HATTERAS 1L1, 01 FEB 1950 - Change of rate 1H0, 1951 Change of rate 1H4, 1968 Change of rate 1H5, 1968 Change of rate 3H4, 3H5, 1H3, 1H7 - 312400Z DEC 1980 Discontinued Loran-A service
Monitor Rate:	1975 - 3H5 AN/FPN-56 1975 - 3H4; 1H3; 1H7 AN/FPN-30
Equipment:	JUL 1943 - Model B-1 Timer; REL-575BC sn:6651; 2 Harvey T-108 sn:17 & ? 1944 - Harvey T-108 sn:17 converted to HFL (10.585mc) 1962 - AN/FPN-30 Timer; T-325C/FPN Transmitter; AM-1700/FPN Amplifier 1966 - Equipment upgrade at Baccaro permitted normal Loran-A transmissions* 1975 - COLAC AN/FPN-53/FPN Timer; AN/FPN-56 Receiver, T-325C/FPN Transmitter, AM-1700/FPN Amplifier *- 1952 - 1966 Cosine squared pulse (Sandy Hook, Cape Hatteras) Squared wave pulse (Baccaro) Tech Manuals: AN/FPN-30 T-325B/FPN CU-277
Radiator:	1943 - 1952 - A 114ft vertical wire suspended between two 130ft poles 1944 - 1945 - co-phase antenna 10.585mc (5L0) 1948 - 1952 - Vertical 120ft radiator 1948 - 1981 - 300ft Tower (3H4, 3H5) 1952 - 1962 - Cage "T" (1H3, 1H7) 1962 - 1981 - 120ft Tower (1H3, 1H7)

LORAN-C

41 15.2 N - 69 58 7 W (Oct 1, 1964)
41 15 11.9 N - 69 58 39.090 W (WGS-72)
41 15 12.046 N - 69 58 38.536 W (WGS-84)

Radio Call Sign:
Operational date: Declared Operation:	021300Z JUL 1962 28 AUG 1962 - EAST COAST 30 APR 1980 - CANADIAN EAST COAST
Operations Ceased:	08 FEB 2010 - EAST COAST 9960 03 AUG 2010 - CANADIAN EAST COAST 5930
Station Operation:	1962 - 1980 Single SLAVE/SECONDARY 1980 - 2010 Double SLAVE/SECONDARY
Chain: Loran Rate: Function: Baseline: Chain: Loran Rate: Function: Baseline: Chain: Loran Rate: Function: Baseline:	EAST COAST CHAIN 021300Z JUN 1962 - 1978 SL-0; SS-0; SS-7; 9930 "Y" M-Y: Approx. 573 Nautical miles NORTHEAST COAST 1978 - 08 FEB 2010 9960 "X" M-X: Approx. 319 Nautical miles CANADIAN EAST COAST 1980 - 03 AUG 2010 5930 "X" 5930 M-X: Approx. 345 Nautical miles
On-air testing date:
On-Air:	SL-0 (Y) 021300Z JUL 1962 SS-0 (Y) 1966 SS-7 (Y) 06 JAN 1969 9930 (Y) 25 FEB 1975 9960 (X) 09 SEP 1978 5930 (X) 01 FEB 1980
Off-Air:	SL-0 (Y) 1966 - Change of rate - Cape Race on-air SS-0 (Y) 06 JAN 1969 Change of rate SS-7 (Y) 25 FEB 1975 Changed Identification of GRI 9930 (Y) 09 FEB 1978 Chain reconfiguration 9960 (X) 08 FEB 2010 Termination of service 5930 (X) 03 AUG 2010 Termination of service
Equipment:	1962 - 1975 AN/FPN-41/42 300KW 1975 - 1986 AN/FPN-54 - AN/FPN-42 300KW 1986 - 2005 AN/FPN-65 - AN/FPN-64 400KW 2005 - 2010 TFE, NSSX Tech Manuals: AN/FPN-54 AN/FPN-60 AN/FPN-42 Vol I AN/FPN-42 Vol II AN/FPN-42 Vol III
Radiator:	1962 - 2010 625ft TLE Wind Turbine; Model 6000s 06 - 09 MAY 2013 Tower razed

Awards:

Coast Guard Meritorious Unit Commendation

01 JAN 1982 - 31 DEC 1982

Documents:

22 AUG 1944 - Inspection of Loran Station Sugar - pdf

MAR 1947 - Quarters for personnel and condition of living spaces correspondence - pdf

19 OCT 1949 - Request for a Commanding Officer - pdf

JUN 1950 - Commander Playdon's inspection report of Sankaty Light and Loran station - pdf

22 DEC 1958 - Discontinue Daily System checks -pdf

1966 - Welcome Aboard - pdf

11 FEB 1976 - Loran-A Operations with LARE; comments concerning - pdf

17 MAR 1976 - 3H4 Abnormality - pdf

1977 Nantucket Mission pamphet - pdf contributed by Bill Vlcek

01 JUL 1985 - 42 years of conitnuous Loran Service message and replies - pdf

Pictures:

1950 - 1960 U. S. Coast Guard Official Photos

1977 - 1978 Bill Vlcek photo collection

May 2013 Dave Fronzuto Tower razed photo collection

ETC Dietz (L) and ETC Jester (R) reading of orders March 6, 1987

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