Reference Information
General Information
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SI Unit Prefixes
[HTML]
[PDF]
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International Morse Code
[HTML]
[PDF]
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International Radiotelephony Spelling Alphabet
[HTML]
[PDF]
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International Radiotelephony Spelling Alphabet — Numbers (Spoken)
[MP3]
Working Aids & Forms
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Message Origination Log
[PDF]
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Received Message Log
[PDF]
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Station Net Log
[PDF]