'l'HE RADIO OPERATOR TJ[ 11-454 '-7 has been used for many years by schools and units of all anDS and may be considered a standard test. It is designed to det.e.nnine the aptitude of "n individual for learning the International Morse Code phonicaJ.1y by requiring him to indicate whether or not certain tone signals 90und exactJy alike. b. A complete test, consisting of an answer sheet, the test, and a solution sheet, is included in sppendix L The test may be given manually with the use of organizational equipment, but is given preferably by phonographic transcription. Phonographic transcriptions for use with code transmitter and recorder TG 8 A, or disk phonograph records which may be played directJy on any standard phonograph, are available. c. The nature of the test makes it difficuJt for anyone to memorize correct answers.
DesignationTM 11-454
EditionJan 1942
StatusSuperseded
Pages123
FunctionComms Signal
CollectionHistoric
Public domain (U.S. Government work)