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LORAN-A OPERATING INSTRUCTIONS

JUN 1956 - CG-222 1953 w/Amendment 4 - pdf
Retrieved from www.gllka.com/1953-uscg-loran-pdf

14 JAN 1964 - Policy of Operational Requirements for Reliability of Main Power Source for Loran Stations - pdf

01 JUN 1964 - Loran Operating Instructions - pdf

30 DEC 1964 - CG-222 Appendix C (not complete) - pdf