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