NETS ALLOWED IN REUSE (Continued)

TM-11-5895-1412-12P Basic Generation Unit AN/GYK-33 (NSN 5895-01-260-4545) (EIC:N/A) Manual
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TM 11-5895-1412-12&P b. NETS ALLOWED IN REUSE (Continued) 2. 3. c. CLASSES Nets selected for Air Defense Artillery (ADA) nets Other combat support or combat service support command control nets. AND ZONES reuse are grourped into “classes” and “zones”. A zone is a group of nets in which a freqency cannot be assigned to more than one net for the same time period. Classes are groups of zones. The total number of frequencies needed for a class equals the number of nets in the largest zone (frequencies reused between zones). An SOI database may contain a maximum of 10 classes and a maximum of 20 zones per class. A maximum of 200 nets can be in one zone. d. REUSE “RULES OF THUMB” The following is a list of the rules to design a reuse plan: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. WARNING: Neither a RETRANS nor the CORRESPONDING net can be placed in a reuse plan. See section G-7.a. All nets within the same class must have the same restriction(s). The class with the largest number of restrictions should be class 1. Frequencies are selected based on the restriction(s) assigned to the nets. If nets have NO restrictions, frequencies may be restricted but still assigned. Frequencies CANNOT include restriction(s) which are included in the net’s restriction(s). The zone with the most nets determines the number of frequencies required to support the entire class. (a). Single channel nets require one frequency per net; therefore, if 20 nets is the maximum number in a zone, then 20 frequencies are required for the entire class. (b). Frequency hopping nets require two frequencies per net (manual and cue); therefore, if 20 nets is the maximum number in a zone, then 40 frequencies are required for the class for frequency hopping. All zones within a class will “reuse” the same frequencies (Zone 1 uses the same frequencies as Zone 2, Zone 2 uses the same frequencies as Zone 3 and so on). Reuse plan for most Army Divisions will contain one class with three to Elements that artillery and the supported are permitted Elements that five zones provide Direct Support (DS), engineering must be placed in Brigade. (No two nets within to receive identical frequent provide General Support (GS), i.e. field the same zone as the same zone ies) i.e. chemical, cavalry, MI/CEWI, and Signal, should be placed in their own separate zone When selecting nets for reuse, always start at the lowest possible echelon and work your way up. G-12

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