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Jerry Proc's Hyperbolic Radio Navigation Systems Page
Dennis
McCord's Estaca de Vares website
|
LORAN STATION IWO JIMA
LORAN A: 24 48 34.29 N 141 19 25.85
E (1960 Mercury Datum)
LORAN C: 24 48 04.100 N 141 19 28.999 E
Pictures
Documents
Fact Sheet
|
Site Survey: |
Loran C: AUG 1962 |
|
Construction Date |
24 APR 1945
1 SEP 1945 Station commissioned and turned over to 14th
district. |
|
Constructed by: |
CONSTRUCTION DET “C”
- KANGOKU IWO |
|
Established: |
LORAN A: MAY 1945
LORAN C: 1963 |
|
Disestablished: |
LORAN A: 31 DEC 1977
LORAN C: 29 SEP 1993 - Transfer to Japan |
|
Operated by: |
USCG |
|
Chain: |
LORAN A: JAPAN SEA
LORAN C: NORTHWEST PACIFIC |
|
Station Letter designation: |
LORAN A:
4H4/4H5/2H6, “K”
2H7, “Y”
LORAN C: MASTER (M) |
|
Station code name: |
|
|
Station Unit Number: |
348
14-Z40155 |
|
Radio Call Sign: |
NRT-3 |
|
Station nickname: |
|
|
On-air testing date: |
LORAN A:
16 MAY 1945 – 4H4
1 DEC 1945 – 4H5
LORAN C:
25 JUL 1963 – SS-3
21 JAN 1964 – SS-3 Replacement tower completed |
|
Operational date: |
LORAN A:
12 JUN 1945 – 4H4
LORAN C:
21 JAN 1964 |
|
Operations Ceased: |
LORAN A:
312400Z DEC 1977
LORAN C:
29 SEP 1993 |
|
Station Operation: |
LORAN A: Double
MASTER
LORAN C: MASTER |
|
Station pair: |
LORAN A:
4H4, 4H7, 2H5 - ICHI HANARE
4H5, 4H6, 2H7 – OSHIMA
2H6 – GESASHI
2H7 - HACHIJO JIMA
LORAN C:
SS-3, 9970, GESASHI, HOKKAIDO, MARCUS, YAP
9970, GESASHI, HOKKAIDO, MARCUS, YAP*, BARRIGADA |
|
Loran Rate: |
LORAN A: 2H6, 2H7,
4H4, 4H6, 4H7
LORAN C: SS-3, 9970 |
|
On-Air: |
LORAN A:
4H4, 12 JUN 1945 – ICHI HANARE
4H5, 25 DEC 1945 – OSHIMA
4H6, 1 FEB 1950 – OSHIMA
4H7, 1 FEB 1950 – ICHI HANARE
2H5, 1 MAY 1953 -
Change of Rate shift to International Loran Band - ICHI
HANARE
2H6,
1 MAY 1953 -
Change of Rate shift to International Loran Band - OSHIMA
2H7, 1964 OSHIMA
2H6, 1964 – GESASHI
2H7, 1967 - HACHIJO JIMA
LORAN C:
SS-3, 21 JAN 1964
SS-3, 1 JAN 1965
9970, 25 FEB 1975
9970, 310700 MAR 1981 |
|
Off-Air |
LORAN A:
4H4, 31 JAN 1950 – ICHI HANARE
4H5, 31 JAN 1950 – OSHIMA
4H6, 1 MAY 1953 – OSHIMA
4H7, 1 MAY 1953 – ICHI HANARE
2H5, 1964 ICHI HANARE relocated to GESASHI
2H6, 1964 Change of rate - OSHIMA
2H7, APR 1966 – OSHIMA
2H6, 312400Z DEC 1977 – GESASHI
2H7, 312400Z DEC 1977 – HACHIJO JIMA
LORAN C:
SS-3, MAR 1964 – TOWER FELL
SS-3, 25 FEB 1975
9970, 202300Z FEB 1981 – OFF AIR-TWR MAINTENANCE
9970, 29 SEP 1993 |
|
Monitor Rate: |
|
|
Equipment: |
Loran A:
1963 Site survey recommended replacing the TEE to a ¼ tower
1963 Equipment changed out
AN/FPN-30, T-325, AM-701, AN/FPA2 & AN/FPA-3A
Loran C:
1964 - FPN-45/46, 1350ft Twr,1.8m |
|
Antenna Type: |
LORAN A:
90ft TEE, 1949 – 1964
129ft, AS-1088-TRN, 1964 - 31 DEC 1977
LORAN C:
1350ft, Dresser-Ideco, Model 19194, 1963 – 16 MAR 1964
1350ft, Dresser-Ideco, Model 20132, 1964 |
|
Personnel Allowance: |
|
|
Miscellaneous: |
1964/65 -
CO: LT Jim Woodle
created savings time for USCG portion of island to
frustrate local AF command.
JUL 1978 -
2 crew members lost at sea -
Norm Rockitter & Randy Saul
Loran A:
1st
Station located on KANGOKU IWO 45-49 until moved onto the
main island - KITANO POINT
5 MAY 1945 – Station ready to go on air – construction 50 %
complete.
27JUN50-27JUL54: Koran War Service medal
Loran C:
16 MAR 1964 LORAN C Tower failure - 6 killed
MAR 1964
Chain reconfigured due to Iwo and Yap tower failures
1968 - Clarinet Pilgrim
installed
FEB - MAR 1981 Off Air for Tower maintenance
SEP 1994 -
XFER to JAPAN -
Japanese closed sta – moved Master to NII JIMA |
|
Commanding Officers / Officers in
Charge |
LORAN A:
KANGOKU IWO
1st CO: LTJG Reginald O Falk 1945 - 1946
CO: LT Fagan 1947 - 1948
KITANO POINT
CO: LT Harold Parker 1955
CO: LT Chuck Leddy 1958 - 1959
CO: LT Bruce Beran 1960 - 1961
CO: LT Neil Kendall 1961 - 1962
CO: LT Fritz Melsheimer 1962 – 1963
CO: LT Chuck Kelly 1963 - 1964
LORAN A/C:
CO: LTJG Cecil Gray 1964 – SEP 1964
CO: LT Jim Woodle SEP 1964 – AUG 1965
CO: LTJG Dan White AUG 1965 – 1966
CO: LT Donnie Green 1968 – 1969
CO: ENS Roach 1969 -
CO: LT Stash 1970 – 1OCT 1971
CO: LT Tom Sheehan OCT 1971 – OCT 1972
CO: LT Stan Lehman OCT 1972 – OCT 1973
CO: LT Verne Bennett OCT 1973 – OCT 1974
CO: LT William Pitt OCT 1974 – OCT 1975
CO: LT Mahar OCT 1975
– OCT 1976
CO: LT Alex LeGault OCT 1976 – MAY 1977
CO: LT Edward E Page 1978 - 1979
LORAN C:
CO: LT Gabriel Kinney 1980 - 1981
CO: LT Jon Allen 1984 - 1985
CO: LT LaRochelle 1987 - 1988
CO: LT Douglas Premoe 1988 - 1989
CO: LT Jan Proehl 1991 - 1992
Last CO: LT M.D. Dausses 1993
OTHERS – YEAR UNKNOWN
CO: LT Edward E Page
CO: LT Meyer
|
Pictures
Click
on picture for larger image
Bob Tiffany's 1955-56 tour - pps presentation

Picture from
google earth.

Station Admin & Barracks c./1950



Station c./1971


ET3 Giaotamo Martini (reired as CAPT)

SNEW Odum





The following photos were taken during my tour c./1975

Monument on Mount Suribachi

Monument to the Japanese Soldier

A cave entrance

Prior to the war a sulfur mining operation

Clarinet Pilgrim

Loran A and Engineering Watch
L to R: Tom Alread; ? Hardy; Dave Pierce

Station Entrance Sign

Signal Power and Barracks Buildings

TT3 Bart Cohen on Radio Watch

ETC Jack Morrison c./1970
Photo contributed by Don Floyd
Thanks Don!
The below photos were contributed by Bob Tiffany

Bob Tiffany - sitting at AN/FPN-30 LORAN A Timer

Bob Tiffany - far left with Blue shirt

Bob Tiffany - on left of the Chief


Crew after the rebuilding of the station - Typhoon 1955
THANKS BOB!
Documents
1955 Letter from Iwo Jima to CCGD14 concerning a War Game exercise.
[pdf file] |