Communications Division, Navy Department, to Staff of Vice Admiral William S. Sims, Commander, United States Naval Forces Operating in European Waters
Chronological Copy. File No. <8-5-11>
Cablegram Received <September 25, 1918.> Y-9
Origin Opnav Washington (D.N.C.) Ser. No. 2169
C-1 27 Sept
89 Reference Allied signal conference April 14 Department will revise U.S. War warning list to include 1 radio station in each district broadcasting War warning on 600 meters on schedule corresponding to hour of watch for 1 operator, this necessary on account of method controlling coastwise ships by Commandants districts. 16125 2169.
Sent 4.48 PM Sept 26, 1918.
Rec’d 7.27 PM Sept 26, 1918.
Source Note: Cy, DNA, RG 45, Entry 517B. The handwritten date is confirmed by the time/date notation immediately following the text.