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Orange County NC 9 <br /> Radio Communication Tower and System Infrastructure Upgrade <br /> RF Coverage and Sites/Towers <br /> 2.1.3.1 Site/Tower Details <br /> Address: 4900 NC 54 W, Chapel Hill, NC <br /> Coordinates: 35-56-01.4, 79-12-55.4 <br /> Tower Type: Monopole <br /> Tower Height: 199 ft. <br /> Proposed VIPER antenna heights: <br /> ® 1-800 MHz Tx antenna — DB809 (max 12.2 ft.), 130 ft. centerline <br /> ® 1-800 MHz Tx transmission line — 1 '/ inch <br /> ® 1-800 MHz Rx antenna — DB809 (max 12.2 ft.), 150 ft. centerline <br /> ® 1-800 MHz TTA— 16"H x 12"W x 7.5"D, 39#, 150 ft. or close to bottom of Rx <br /> antenna <br /> 1-800 MHz Rx transmission line —7/8 inch <br /> ® 1-Microwave dish - Comscope WHP6-65-P1A/K, 6 ft., 141 or 138 ft., [Chatham, <br /> Cane] <br /> ® 1-Microwave transmission line — EWP63S jacketed, approx.1" x 2" elliptical <br /> waveguide <br /> Site Contact: SBA, Elaine Tarkington, 919-868-0426, etarkington(aD_sbasite.com <br /> 2.1.4 Southeast— Veilcomm Site (WCHL) <br /> This site could provide 800 MHz VIPER coverage in the southeast portion of the <br /> County. <br /> This site is owned by VilComm Interactive Media and is used by WCHL AM. <br /> Investigations have shown that this is an AM broadcast location, and that the towers <br /> themselves are the antenna. This is referred to as a "hot" tower. There are two towers <br /> at this location, as the WCHL uses two different radiation patterns, one for daylight <br /> hours, and one for nighttime hours. Since the towers are very close to each other, <br /> either tower would provide the coverage desired. <br /> Since these are "hot" towers, isolation equipment is required between the radio <br /> equipment and the transmission lines and antennas that are mounted on the towers. <br /> Detailed engineering will be required to use this site, and will include designing the <br /> insolation equipment based on specific frequencies to be used, as well as ensuring that <br /> the AM broadcast pattern is not affected. <br /> August 30, 2013 Page 8 of 51 <br /> o <br />