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LORAN STATION GUAM ISLAND
13 13 42.1 N 144 38 40.5 E (COCOS ISLAND)
13 13 42N – 144 38 40E (Dec 1948 OP DATA Report)
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 14^th 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:	CG Unit 336 Navy Unit 926
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:	17 NOV 1949 – Typhoon destroyed station – station off-air MAR 1950 – Station rebuilt at previous Nov 1949 location 1954 – Typhoon – Off air for 40 minutes while the antenna was replaced 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 1978 – Typhoon Pamala – 4 days of storm – station on-air entire time
Commanding Officers / Officers in Charge	COCOS 1st CO: ENS David B McCoy 1944 - 1945 Temp OINC: RM3c Daniel P Sanderson ? – 25 OCT 1946 OINC: ETC (Z) David A Webb 25 OCT 1946 - OINC: ETC (Z) William H Hudson 1948 OINC: ETC (Z) Fidilla Henderson ? – 5 SEP 1949 OINC: ETC (Z) James L Glass 5 SEP 1949 - ? OINC: BMC Taplin 1960 - 1961 OROTE Point OINC: ETC Gale ? – NOV 1968 OINC: ETC Pat Corley NOV 1968 – JUL 1969 OINC: ETC Charles Ingram JUL 1969 - 1970

Documents:

28 OCT 1946 - CoC Ltr - pdf
16 APR 1948 - CGC KUKUI C & R Inspection Report - pdf
13 MAY 1948 - Approval relocation of station msg - pdf
10 DEC 1948 - Operational Data Report - pdf
05 SEP 1949 - CoC Ltr - pdf
17 NOV 1949 - Typhoon Damage - pdf
30 AUG 1950 - USAF request for Homing Beacon Installation - pdf

Pictures - Click on picture for larger image

Cocos Island

Picture from google earth.

Orote Point

Picture from google earth.

Cocos Lagoon Boundary

The photos below were located at NARA Washington DC
(U.S. Coast Guard official photos)

Aerial View - c./1948

CGC KUKUI 3 -4 miles from station 25 APR 1950

c./ 1950 Reconstruction material for station after Nov 1949 Typhoon

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

Timer room

AN/FPN-30 Timers

Transmitter Alley

Cliffs of Orote Point, rear of antenna field

ET3 Dave Cerulli adjusting Rec Ant Coupler

ET3 Dave Cerulli on duty

ET3 George McEwan on duty

ET3 George McKwan on the phone

ETC Charlie Ingram

ETC Charlie Ingram relaxing after a very intense workday

Guamanian Rail

Guamanian sunset with Orote Pt tower looking out over Orote Point

Radiation Power lights fluorescent tube

Thanks Jack!

The below photo was contributed by Mike Blaschum

Attachment is a picture of Cocos Island Loran. Taken from a Navy helo that came over once a month to pay us in two dollar bills.
The boat in the foreground ia a Japanese fishing vessel long since grounded. We used it for target practice with our M-1s every two weeks or so.

Thanks Mike!