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<br />U S WEST Communications <br />426 North Fairview Room 101 <br />St. Paul MN 55104 <br /> <br />Wireless <br /> <br />LI~-WES1 <br /> <br />Minnesota DOT gives the traffic volume as approximately 74,000 automobiles per day, <br />on average. With other secondary roads included, the volume is approximately 80,000 <br />automobiles per day, on average. A reasonable estimate of initial customer penetration <br />puts the traffic carrying requirements for a particular US WEST site in this vicinity at <br />approximately 800 mobiles during busy hour which equates to at least one loaded PCS <br />cell site. <br /> <br />Similar arguments relating to capacity and coverage as presented for cell site <br />MIN102 can be applied to our cell site MINI0410cated at 2582 Long Lake Road, <br />Roseville, to show the requirements for a cell site at the proposed location. The <br />attached coverage map will show the necessity of MINI 04 from a coverage perspective. <br />For capacity, we need to look into the traffic carried on 1-35 W flowing into the <br />intersection ofl-35W and Rte. 36. For the intersection around Rte. 36 and 1-35W the <br />Minnesota DOT gives the traffic volume as approximately 90,000 automobiles per day, <br />. on average. With other secondary roads including Rte. 88 and Rte. 23 the volume is <br />approximately 100,000 automobiles per day, on average. A reasonable estimate puts <br />the traffic carrying requirements for a US WEST site in this vicinity at approximately <br />1000 mobiles during busy hour which equates to at least one loaded PCS cell site. <br /> <br />The lattice tower adjacent to the Roseville water tower is midway between our <br />two sites (MIN 1 02, MIN 104). There are two to three different providers already on the <br />tower. The associated antennas belonging to the specific providers are mounted at <br />approximately 120 ft, 130 ft, 150 ft, 160 ft and 180 ft. Also, the water tower itself is <br />approximately 65 ft to the stem and 115 ft to the top. First, since our overall system <br />requirements require us not to be higher than 90 ft on cell sites in the vicinity, it is <br />technically not feasible to locate our antennas at that height on the lattice tower because <br />of associated interference from the nearby water tank. Placement of antennas on the <br />water tower at a similar height is not feasible either because of shadowing effects and <br />interference from the adjacent lattice tower. Moreover, one cell site at this location <br />cannot carry the traffic along Rte. 36 from Lexington Avenue on the East to well West <br />of the intersection of Rte. 36 and 1-35 W, nor can it cover the area which we propose to <br />cover with MIN102 and MINI04. Consequently it will not be technically feasible to <br />locate either MIN102 or MINI 04 on the Roseville water tower (or adjacent lattice <br />tower). <br /> <br />Please do not hesitate to contact me directly at (612)642-6039 should you have <br />any further questions regarding the analysis. <br /> <br />Sincerely, <br /> <br />~~~ <br /> <br />Khursheed Khan <br />RF Design Engineer <br />