Note: The intercharacter interval may be of any duration. The signal sense of the intercharacter interval is always the same as the sense of the stop element, i.e. , "1" or "mark[?]."
Source: from Federal Standard 1037C and from MIL-STD-188
... War II. The 20th ABG was based at Nichols Field, in the Philippines.
Organization of the 20th Air Base Group
27th Material Squadron[?]
28th Material ...
Book Week Costumes
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