Loran Equipment Banner

LORAN STATION MONTAUK POINT
& Research Facility

Station Information

Site Survey:
 
Construction Date: APR 1941: Research/LTS Facility
APR/MAY 1942: LTS
 
Constructed (equipment installation) by:


MIT Division 11 & USCG enlisted personnel
 
Research Facility:
Established:
Commissioned:


APR 1941 - 01 OCT 1942 & fall 1943 - 1946
01 OCT 1942
01 JAN 1943
Decommissioned:
Disestablished:
JUL 1943
22 SEP 1943
 
Operated by:

1941 - 1942 MIT
Spring 1942 - 1943 USCG

Project code name:


 
Unit Identifier:


MIT/U.S. Navy/USCG Unit 02
Mail address:
 
Code name:


MIKE
Personnel Allowance: Spring of 1942 - CG enlisted personnel reported aboard

Station Mascot:

Station events: APR 1941: MIT signed lease for use of an abandon USCG Life Saving Station property with the U.S. Treasury Department.

MAY 1942: With U.S. Navy permission, MIT Mr. Donald Fink traveled to Canada to get an agreement with the Canadian Government to establish two stations in Nova Scotia. Canada agreed to this however U.S. must furnish the technical equipment and training. Canada was to provide for the two Newfoundland stations also however the USCG was tasked to staff the three northern Atlantic station in 1943 as there was a storage of Canadian personnel.

JUN 1942: USCG personnel started to report for assigned duty.

17 JUN- 17 JUL 1942: The Long Range Navigation (LORAN) trials were conducted which the U.S. Navy accepted to continue with the development of the system.

01 JAN 1943: Under direction of U.S. Navy, US Coast Guard assumed the responsibility of installation, staffing and operational control of all Navy loran stations.

01 JUL 1943: Standard loran transmissions relocated to Siasconset, Nantucket, MA. The relocation was necessary in order to maintain sync with rate 1 at night. Montauk Point continue in service as a research facility.

22 SEP 1943: Montauk station transferred to MIT RADLAB. All equipment, property and supplies turnover.

Fall 1943 - DEC 1944: Expermental Synchronization Skywave (SS) transmission tests were conducted by MIT scientists and English technicians.

Station Manager:

OINC
1941 Mr. Lawrence M. Leeds (GE)
1941 Mr. Harry A. Dahl (MIT) (01 SEP - ?)
1942 - 1943: CRE Robert W. Billups (? - JUL)

Station Operations

Test Facility & LORAN-A LTS

41 01 33.98N - 71 57 49.59W
(The position was determined by a visit to the location in 2017)

 

Chain: NORTH ATLANTIC WEST
 
Station Letter designation: "M"
 
Radio Call Sign: N/A
 
Declared Operational date:


16 OCT 1942 - 16 hours per day
Operations terminated: 011800Z JUL 1943 as a LORAN Transmitting station
 
Station Operation: Double MASTER (DM)
 
Station pair:
Loran rate:
Coding delay:
Baseline:

Station pair:
Loran rate:
Coding delay:
Baseline:

MONTAUK (M) - FENWICK (S)
1L0
N/A
Approx. 209 Nautical miles

MONTAUK (M) - BARRACO (S)
1L1
N/A
Approx. 324 Nautical miles

On-air testing date: 1L0: DEC 1941 - OCT 1942
1L1: SEP 1942
 
On-Air: 1L0: MAY 1942 16 hour service/JUN 1943 24 hour service
1L1: 01 OCT 1942 16 hour service/JUN 1943 24 hour service
 
Off-Air: 1L0: 011800Z JUL 1943 service relocated to Siasconset, Nantucket
1L1: 011800Z JUL 1943 service relocated to Siasconset, Nantucket
 
Monitor Rate:
 
Equipment: DEC 1941: Bell Lab Timer
 
Radiator: Long wire
 

Documents:

1941 Station Ground Plot - pdf

28 DEC 1942 CGD3 Standup orders to station - pdf

21 SEP 1943 Authorization to transfer custody of Hilter Plain station to NDRC - pdf

12 FEB 1944 Return custody of Hilter Plain station to Coast Guard - pdf

 

Pictures:

Exterior Research Facility & Loran Transmitting Station photos

img
(courtesy of Google Earth)

Location was identified during a 2017 trip

img

c./1941 GE Transmitter
original transmitter

img
(courtesy USCG c./SEP 1945)

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