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Table  4-2.ProwordsContinued - 14243_88
EXECUTIVE METHOD - 14243_90

Signalman 1 & C - Aviation theories and other practices
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Example: M15B transmits: Alfa One Six Two—THIS IS Mike One Five Bravo—OVER Al62 answers: Mike One Five Bravo—THIS IS Alfa One Six Two—OVER M15B having nothing for A162, transmits: Alfa One Six Two—THIS IS Mike One Five Bravo—OUT Establishing a Net Full call signs are used when opening a net, reopening a net, or reporting into a previously established net. Proper control by the NCS and adherence to operating rules by all stations within the net enable the net to begin and maintain an exchange of traffic with minimum delay. The NCS is also responsible for maintaining security on its net. Appropriate security guidance will be furnished by the NCS to all stations prior to establishing a net. Example: When ready to establish a net, the NCS transmits: Yankee One Six Charlie—THIS IS Mike One Five Bravo—OVER Each subordinate station then answers the call in alphabetical order: Mike One Five Bravo—THIS IS Alfa One Six Two—OVER Mike One Five Bravo—THIS IS Bravo One Nine Eight—OVER Mike One Five Bravo—THIS IS Delta Two Three Four—OVER Once the net has been established, it will normally work with abbreviated procedures and call signs. The NCS will, however, order the net to work full or with abbreviated procedures or call signs, as required by the conditions. MESSAGES A l t h o u g h  R / T  u s e s  t h r e e  m e s s a g e forms—plaindress, abbreviated plaindress, and codress—the form most used is the abbreviated plaindress. However, the three parts are still used (heading, text, ending). The procedures for use of the above mentioned messages are the same as for the use of the visual message. Plaindress A plaindress message is one in which the originator and addressee designators are indicated externally of the text. It contains all components of the basic message format (unless the call serves as the address) and must always include the precedence and date-time group. The group count will always be included when the accounting symbol is used. Abbreviated Plaindress Operational requirements for speed and handling may require abbreviations of plaindress headings. In such cases, any or all of the following may be omitted: Precedence Date Date-time group Groupcount Codress A codress message is one in which the entire address is encrypted within the text. The heading contains only information necessary to enable communications personnel to handle it properly. Service Messages Service and abbreviated service messages are messages used between communications personnel and pertain to any phase of traffic handling, communication facilities, or circuit conditions. See chapter 3 for more information concerning service messages. GENERAL OPERATING PROCEDURES The procedures for conducting radio checks, repetitions, cancellations, corrections, and verifications are contained in ACP 125; take time to study these procedures. 4-21







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