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• Figure 1: Average PCS base station coverage available from all possible County towers. <br />Note that much County area Is already contained within the coverage distance from <br />"some" tower or structure. It should be noted, however, that with six possible PCS <br />licenses, two cellular licenses, ESMR licenses, etc., all going to <br />potentially n <br />companies, all building out their systems independently, much duplication of facilitiesdiffere <br />occur in the absence of any coordination. <br />This is the reason for a Master Plan. <br />The search area template <br />Generally accepted cellular engineering principles establish a reasonable "search area" for <br />a wireless base station as a circle with radius one-quarter that of the proposed cell, <br />centered on the ideal location for the cell according to the carrier's deployment plan. <br />Based on the coverage area available from a 1504 tower, and given a "handoff zone, <br />above <br />reasonable search reius is approximately onehelfme. Cellular engineers usually use "hexagons' to represent coverages because they <br />together without gaps. <br />The search area is ideally specified in a document given to site search consultants when <br />they go out looking for a lease on which to build a tower. Any location within the search <br />area is considered to be acceptable for the caner (and the consultantets paid for <br />bringing in the lease, even if the requesting engineer changes his mind). <br />9 <br />Cellular and PCS engineering require that the towers be precisely located. <br />search areas are very important and should raise suspicion if they are simply circles on a <br />map centered precisely on where the carrier hopesThus, the <br />to build a tower. <br />AUGUST 13, 2002 <br />