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THE COAST GUARD AT WAR: IV
LORAN
VOLUME I


NOTE: Ms. Erma Hill transcribed the following volume from the Coast Guard At War official history series and we thank her for her efforts.  The majority of the images included in the original publication, which were simply mimeographed paper copies, have faded or were of poor quality originally and were not included in this electronic version although each caption is faithfully reproduced -- if the image is available, please click on the hyper-linked "Image Caption" to access the image. 


LORAN
VOLUME I
EARLY ELECTRONIC HISTORY
and the
BRIDGING OF THE NORTH ATLANTIC AND NORTH PACIFIC

DECEMBER 1944

U.S. COAST GUARD HEADQUARTERS
OFFICE OF ENGINEERING
WASHINGTON, D.C.

C-67847-1


MEMORIAL

The following Naval and Coast Guard officers and men made the supreme sacrifice during the war while carrying on official duty directly connected with LORAN.

MISSING

Lt.(jg) George M.L. Costner, USCG
HAGLUND, Floyd, O. (220-806) RM1c
BREIMO, Elmer O. (f38-963), COX (R)
HAGEN, Edward C. (584-147), RM3c
SCHMOLL, Kenneth H. (506-786) RM3c (R)
MACLEAN, Thomas L. (636-878), Sea. 1c (R)

DEAD

Ensign C. E. Johnson, USCG
Lt.(jg) Jack D. Roberts, USNR (Aide to Captain L.M. Harding, USCG, in 1943)
Ensign H. D. Bennett, USCG
BAUGHMAN, William A. (655-6780), Sea. 1c
BULL, Clifton W. (238-209), AMM1c
COLE, James W. (217-001), CRM

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FOREWARD

This history does not purport to be a complete documentation of the history of Loran.*

It has been prepared at the direction of Rear Admiral Harvey F. Johnson, USCG, Engineer-in-Chief, U.S. Coast Guard, in the belief that many important war effort developments are inadequately recorded in the press of wartime activity and that a contemporary record of one such development will be of greater value than a later attempt to reconstruct the story from official documents.  Most of the material herein has been drawn from personal interview and notes of the individuals concerned with the war application of Loran, supported by such official records as are at present available.

The interviewing, perusal of records, and the preparation of narrative were performed by Ensign D'Arcy Grant Parrott, USCGR(W).

*Loran is a word coined by the then Lt. Comdr. L. M. Harding, USCG in early 1942 from the indicated letters of "LOng range RAdio Navigation."

December 1944

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VOLUME I

EARLY HISTORY

SECTION I
EARLY DEVELOPMENT

[To access Section I, click here: Section I contains information on the early developments of LORAN, and includes the following chapters:]

CHAPTER 1

Establishment of OSRD and NDRC - Brief discussion of existing radio aids to navigation - British G-System - C.G. Lifeboat Stations loaned to Radiation Laboratory for experimental purposes.

CHAPTER 2

Short-wave high frequency tests and failures - Navy interest aroused - establishment of Naval Liaison with NDRC on project.

CHAPTER 3

Royal Canadian Navy interest and participation - Naval Blimp and ship tests - site selection of Boccaro and Deming.


SECTION II

THE NORTH ATLANTIC LORAN SYSTEM

[To access Section II, click here: Section II contains information on the development of the LORAN system in the North Atlantic, and includes the following chapters:]

CHAPTER 1

Site survey for Bona Vista and Battle Harbor - Results of USS MANASQUAN tests - Navy proposes seven-unit chain for North Atlantic - Preliminary training program - Boccaro and Deming under construction - Siting of #5, #6, and #7 - Equipment procurement difficulties begin.

CHAPTER 2

Construction at Bona Vista.

CHAPTER 3

Construction at Battle Harbor.

CHAPTER 4

Construction at Greenland.

CHAPTER 5

Alaskan site survey trip - Advancement of training program - Installation of shipboard equipment begun - Development projects - Nantucket projected - Sankaty Head Monitor established - Ship reports - USCG asked to man existing units and future units - Production difficulties - Increasing Navy jurisdiction.

CHAPTER 6

The United Kingdoms Chain

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SECTION III

THE NORTH PACIFIC LORAN SYSTEM

[To access Section III, click here: Section III contains information on the development of the LORAN system in the North Pacific and Alaska area, and includes the following chapters:]

CHAPTER 1

Navy directive for establishment of Alaskan chain -  Transfer of units from Radiation Laboratory to USCG affected - E-layer experiments - Stabilization of training program under Navy.

CHAPTER 2

Construction at Bering Sea Chain

CHAPTER 3

Construction of Western Aleutian Chain.

CHAPTER 4

Nantucket on the air - Chatham replaces Sankaty Head - Construction of Twillingate - Mediterranean survey - Development of Transportable units - Other development projects.

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Last Modified 11/17/2014