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LORAN STATION GUAM ISLAND
13 13 42.1 N 144 38 40.5 E (COCOS ISLAND)
13 26 36.03 N  144 37 22.24 E (OROTE PT)

Pictures

Fact Sheet

Site Survey:

 SEP/OCT 1944

Construction Date

11 NOV 1944 – 27 NOV 1944: COCOS ISLAND
OROTE POINT – 1964

1 MAR 1945 Station commissioned turnover to 14th District

Constructed by:

CONSTRUCTION DET “C” – COCOS ISLAND

Established:

1944

Disestablished:

JAN 1978

Operated by:

USCG

Chain:

The MARIANAS

Station Letter designation:

4H2, 4H3 “V”
2L2, 2L3 “U”

Station code name:

 

Station Unit Number:

336

Radio Call Sign:

NRV1

Station aka:

COCOS, OROTE PT

On-air testing date:

4H2 – 27 DEC 1944 – ULITHI
4H3 – 28 NOV 1944 - SAIPAN

Operational date:

4H2 – 12 JAN 1945
4H3 – 16 DEC 1944

Operations Ceased:

COCOS ISLAND – 1964
OROTE PT – 31 DEC 1977

Station Operation:

Double SLAVE/SECONDARY (DS)

Station pair:

4H2, 2H2, 2L2 – ULITHI
4H3, 2H3, 2L3 – SAIPAN
2L2 - YAP

Loran Rate:

4H2, 4H3, 2H2, 2H3, 2L2, 2L3

On-Air:

4H2, 12 JAN 1945 – ULITHI (POTANGERAS IS.)
4H3, 16 DEC 1944 – SAIPAN
2H2, 1 JUN 1952 - ULITHI (FALALOP IS.)
2H3, 1 JUN 1952 - SAIPAN
2L2, 01 MAY 1953 – ULITHI
2L3, 01 MAY 1953 – SAIPAN
2L2, 01 FEB 1965 - YAP

Off-Air

4H2, 1 JUN 1952 – Change of rate
4H3, 1 JUN 1952 – Change of rate
2H2, 01 MAY 1953 - Change of rate
2H3, 01 MAY 1953 - Change of rate
2L2, 31 JAN 1965 – YAP replaced ULITHI. ULITHI off air.
2L3, 312400Z DEC 1977 – Loran A phased out
2L2, 312400Z DEC 1977 – Loran A phased out

Monitor Rate:

 

Equipment:

 

Personnel Allowance:

Jan 1953 – LTJG, ETC, ET2, 5 ET3, RM2, CS1, HM1, EN1, EN3, BM1, DC2, 2 SN

Miscellaneous:

20 JUN 1962 - Non-restricted
1964 - Moved from COCOS Is to OROTE PT
25 NOV 1965 - 3 WWII Japanese soldiers walked out of the jungle
1967 – Name of station changed to GUAM ISLAND

Commanding Officers / Officers in Charge

1st CO: ENS David B McCoy 1944 - 1945
OINC: BMC Taplin 1960 - 1961
OINC: ETC Gale ? – NOV 1968
OINC: ETC Pat Corley NOV 1968 – JUL 1969
OINC: ETC Charles Ingram JUL 1969 - 1970

Pictures - Click on picture for larger image

Loran Station Guam (Cocos Island)

Cocos Island

Picture from google earth

Loran Station Guam (Orote Point)

Orote Point

Picture from google earth

Cocos Lagoon Boundary

Photos below were contributed by Jack Winslade c./1970


Station building viewed from main road


View of Orote Point (Guam) station building from access road


Station building as viewed from the transmitting tower

 

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