communication instructions radio telegraph procedure

UNCLASSIFIED ACP124 (D)
standards for character based messaging will be followed, e.g., The United States Message Text Formats
(USMTFS), Allied Data Publication – 3 (ADATP – 3), Australian Defence Formatted Message Standard
(ADFORMS). These standards have adopted a four digit year for date data transmission.
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c. Separations of parts: The prosign BT is to be transmitted immediately following the last
element of the heading and of the text of all messages, except abbreviated service messages in which a
date-time group/time group is not used. NOTE Expression of year in record communications – until 31
December 2005, when record communications containa year in the header, it will be assumed that where
the year is expressed in two digits of 06 – 99 the digits 19 precede, i.e., 1906 – 1999, and where the two
digits 00 – 05 appear it will be assumed that digits 20 precede, i.e. 2000 – 2005. Effective January 2006,
record communications will contain a four digit year in the header, i.e., date time group will be
expressed at 011500z JAN 2006. Within the body of a message, the established standards for character
based messaging will be followed, e.g., The United States Message Text Formats (USMTFS), Allied
Data Publication – 3 (ADATP – 3), Australian Defence Formatted Message Standard (ADFORMS).
These standards have adopted a four digit year for date data transmission.
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313. PAUSE IN TRANSMISSIN (PROSIGN AS)
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a. AS made during a transmission and without an ending sign indicates a short pause.
EXAMPLE:
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DX3/ DE NPQT -R- 102030Z JUL 83 BT UNCLAS. Join convoy at point AS
When ready to resume, NPQT completes the transmission commencing with a
repetition of the last word, group or prosign transmitted.
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b. AS followed by AR means "YOU ARE TO WAIT", or "I AM OBLIGED TO WAIT", as
applicable.
EXAMPLE:
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NPQT DE D3X/ -P- 111732Z JUL 83 BT UNCLAS Rendezvous will
AS AR
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c. A station having received AS shall wait for K before transmitting, unless in the
meantime he has been given a message of higher precedence to transmit or it appears he has been
overlooked.
d. A station resuming transmission of a message after a pause as in b. above will, after the
call, identify the message, transmit the prosign AA, the last word, group or prosign transmitted, the
separate sign, and resume transmission of the original message.
EXAMPLE:
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NPQT DE D3X/ 111732Z JUL 83 – AA will – be arranged BT K
314. TRANSMISSION OF MESSAGES CONTAINING MORE THAN 100 GROUPS –
PROSIGN B
UNCLASSIFIED 3-7