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APT <br /> • AMERICAN PORTABLE TELECOM <br /> A TDS COMPANY <br /> 1701 E.79th Street <br /> Suite 19 <br /> Minneapolis,MN 55425 <br /> 612-858-0000 <br /> Fax 612-851-9103 � <br /> Date: 11/18/96 <br /> To: Chairperson,City of Elk River <br /> From: Steve Ramberg,RF Engineer-American Portable Telecoh-,( <br /> RE: Analysis of antenna sites within the city of Elk River <br /> As the Radio Frequency engineer assigned to design and analyze a tower site for Elk River,I have performed <br /> evaluations on several possible locations. The following is a list of those locations and subsequent analysis. Factors <br /> weighed into each analysis include tower height,terrain,foliage and building density. Our objective is to provide <br /> coverage within the City of Elk River and link with additional sites along Highway 10 and Highway 169 with a <br /> • minimum number of towers. The frequency band which we have been granted license by the FCC limits our tower <br /> height to 165' maximum and more towers than current cellular providers.With a tower under construction in the <br /> town of Dayton tower placement in Elk River becpmes critical to insure contiguous coverage between cell sites. <br /> Sufficient coverage can be defined as enough transmitted signal from a tower to initiate,sustain or receive a call to or <br /> from a mobile telephone. Coverage holes can be defined as absence of transmitted signal within a given area,which <br /> results in dropped calls or failure to initiate or receive a call from a mobile telephone. <br /> 1. AT&T Tower-Use of this tower will provide sufficient coverage along Highway 10 between Elk River and <br /> Dayton,however analysis determined poor coverage in the city of Elk River and coverage holes on Highway 169 <br /> between Elk River and Zimmerman on account of terrain problems north of Elk River.Additional towers in Elk <br /> River and along Highways 10 and 169 would be required to fill in coverage holes. <br /> 2. Elk River Water Towers-tower height is the primary difficulty. In order to minimize the number of towers 165 <br /> feet is required. Due to insufficient height on the water towers we are unable to overcome terrain height to the <br /> north or link with our tower in Dayton. Additional towers in Elk River and along Highways 10 and 169 would <br /> be required to fill in coverage holes. <br /> The location we selected enables APT to provide high quality coverage in the city of Elk River,overcome terrain <br /> issues north along Highway 169 and link with our tower in Dayton. Our expansion plan for the city of Elk River <br /> involves addition of antennas on the existing tower. No plans exist to add additional towers. <br /> 410 <br />