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*** Special Notice Regarding LORAN Closure: *** In accordance with the DHS Appropriations Act, the U.S. Coast Guard will terminate the transmission of all U.S. LORAN-C signals effective 2000Z 08 Feb 2010. At that time, the U.S. LORAN-C signal will be unusable and permanently discontinued. This termination does not affect U.S. participation in the Russian American or Canadian LORAN-C chains. U.S. participation in these chains will continue temporarily in accordance with international agreements. You may read more and download pertinent documents via our LORAN-C page.
LORAN C
Primary Mission Areas:
Maritime Information:
LORAN-C SIGNAL SPECIFICATION


The Specification of the Transmitted LORAN-C Signal, 1994 Edition, is intended as a reference document. It consists of definitions, specifications, and explanations for general distribution to designers, manufacturers and users. You may download each section of each chapter individiually or the complete document in self-extracting file (8 Megs).

Chapter 1 Section A, PDF Format 553 KB
Section B, PDF Format 860 KB
Chapter 2 Section A, PDF Format 749 KB
Section B, PDF Format 560 KB
Section C, PDF Format 943 KB
Section D, PDF Format 879 KB
Section E, PDF Format 726 KB
Section F, PDF Format 584 KB
Chapter 3 PDF Format 230 KB
Chapter 4 PDF Format 149 KB
Appendix A PDF Format 398 KB
Appendix B PDF Format 453 KB
Appendix C

Section 1, PDF Format 439 KB
Section 2, PDF Format 567 KB

Appendix D PDF Format 43 KB    
 
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