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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

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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

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

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