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Exceptionally, may be used by nations or international alliances irrespective of geographical area for specific alternative purposes, such as when the capacity of assigned second letters is insufficient to meet the requirement, or when more than one geographical area is involved as in the case of a
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106:(e) Fifth and Following Letters - These letters and positions, when added to the four letters of a major relay routing indicator, designate the minor relay or tributary stations of that major relay station.
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First Letter - The letter R or the letter āQā appears as the first letter and distinguishes strategic/worldwide routing indicators from call signs, address groups and theater routing indicators.
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network to facilitate routing of traffic. It indicates the status of the station and may indicate its geographical area. The following factors are reflected in routing indicator assignment:
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tributary actively connected to two different major relay stations. In conjunction with the second letter āJā, may be reallocated, on a national basis, to a country not listed.
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Routing indicators consist of not less than four, and not more than seven letters, including suffixes. The intent of allocated letters and of letter position is as follows:
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Second Letter - this letter, in conjunction with the first letter, identifies the nation or international alliance to which allotted.
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Normally identifies the geographical area in which a station is located or from which it is served.
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Identifies the service or other national/international entity, as shown in the delineation table.
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62:(b) The geographical area in which the station is located or area from which it is served.
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65:(c) Network status of the station, i.e., major or minor relay, or tributary stations.
59:(a) National or international affiliation and service (when required) of the station.
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A Routing
Indicator is a group of letters assigned to identify a station within a
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Indicates major relay stations, as generated by assignment requirements.
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Fourth Letter - This letter position serves a dual purpose as follows:
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Third Letter - This letter position serves the following purposes:
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group of characters, that specifies routing instructions for the
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164:Dictionary of Military and Associated Terms
47:of the message to its final destination.
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169:United States Department of Defense
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24:(RI) has the following meanings:
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