Everything you need to know about NTS and formatting & sending formal message traffic.
From the document: “The primary objective of the methods and practices guidance is to facilitate transmission of a properly formatted written formal message from point A to point B such that it arrives exactly as written on the original copy, group for group, character for character, space for space.”
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Here is an alternate link to the document in chapter blocks on the ARRL website.
ARRL Radiogram Form (PDF)
Single blank radiogram form
FSD-3 ARRL Numbered Radiograms (PDF)
Includes both relief emergency and routine message radiograms (canned messages for radiograms), in addition to the precedences to use in emergency, priority, welfare and routine situations.
FSD-218 Amateur Message Form (PDF)
How to originate and handle formal radiograms, including precdences, handling instructions, QN signals, Q signals, abbreviations, prosigns and prowords.