NSA Documents
Found on the NSA website
Student handout of the Basic Morse Course
Fort Devens, Mass. Circa 1972.
Army Security Agency Recruiting pamphlet
NSA Document – DOCID 4019712
Declassified Documents released by NSA on 10-17-2012
How To Make a Morse Op
This smoking gun article describes exactly when Morse begins to alter the brain. It is when an operator copies code past fifteen Groups Per Minute or seventy-five characters.
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National Security Agency
Fort George G. Meade, Maryland
Cryptolog
4th Issue, 1988
NSA Document – DOCID: 3928820
Approved for release by NSA on 12-01-2011, Transparency Case #63852
The Use of Compressed Speech in Selecting Morse Code Operators
This paper documents an experiment in which the ability to comprehend time-compressed speech was investigated as a possible screening technique for identifying individuals who possess an aptitude for copying morse code signals.
O5H (Morse Intercept Operator)
Lf Performance: An Exploratory Study
U.S. ARMY RESEARCH INSTITUTE
FOR THE BEHAVIORAL AND SOCIAL SCIENCES
Beverly G. Knapp, Frances L. Carter, & Richard A. Hagerdon
Recently unearthed technical report describing the operator population as outgoing practical jokers who appeared crazy.
