communication instructions radio telegraph procedure

UNCLASSIFIED ACP124 (D)
UNCLASSIFIED VIII
TABLE OF CONTENTS
Section Paragraph Subject Page Number
326 Verifications ………………………………………………. 3-13
327 Cancellations ……………………………………………… 3-14
328 Rules for Counting Groups 3-14
329 Checking Group Count ……………………………………. 3-15
V BREAKING IN ON TRANSMISSION
VI SPECIAL PROCEDURES
330 Break-in Procedure ……………………………………… 3-17
331
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Emergency Silence – Prosing HM ………………………… 3-19
332 Method of Synchronizing Time …………………………… 3-19
333 Acknowledgements ……………………………………….. 3-20
334 Ending Air-Ground Communications …………………….. 3-22
CHAPTER 4
BROADCAST METHOD
401 Broadcast Method …………………………………………. 4-1
402 Responsibility of Broadcast Stations ……………………… 4-1
403 Responsibility of Receiving Stations ……………………… 4-1
404 Speed of Operation ……………………………………….. 4-1
405 Call Tapes ………………………………………………… 4-1
406 Marking During Idle Periods …………………………….. 4-2
407 Submarine Broadcast Procedure …………………………. 4-2
408 Procedure ………………………………………………… 4-2
409 Display During Broadcast Schedules ……………………. 4-2
CHAPTER 5
INTERCEPT ("I") METHOD
501 Description ………………………………………………… 5-1
502 Procedure Used on "I" Method Schedules ………………… 5-1
503 The Address of "I" Method Transmissions ………………. 5-1
504 Use of Serial Numbers ……………………………………. 5-1