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Naval History and Heritage Command

Naval History and Heritage Command

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




21689 Reference Allied signal conference April 141 Department will revise U.S. War warning list to include 1 radio station in each district2 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.

Footnote 1: On the Allied signal conference, see: William S. Benson to Sims, 7 April 1918.

Footnote 2: That is, each naval district.

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