Question 9 Statement of Environmental Impact

0713-EX-PL-2013 Text Documents

ELTA North America

2013-11-05ELS_142611

ELTA North America Request for FCC Experimental License Form 442 File Number: 0713-EX-PL_2013 Form 442 Confirmation Number: EL204561 04 November 2013 Question 9: Statement of Environmental Impact ELTA North America (N.A.) will occupy a section of the building located at 11840 West Market Place. Fulton, MD. The building is a new, single-story structure, with multiple bays, and is constructed of concrete block with a web girder and steel pan roof. The surrounding area is a mixed-use development of retail, office, educational, and residential buildings. The adjacent property consists of similar single-story buildings to the north and south of the site, a public school campus to the west, and an open field to the east. Further north is a residential neighborhood and the Johns Hopkins University (JHU) Applied Physics Laboratory (APL) campus. Further east is a small urban development with multistory buildings. The antenna will be mounted on top of a four-to-six foot mast which will be located on the roof. The radar equipment will be remotely controlled from inside the building. It is the policy of ELTA N.A. that company personnel, customers, or members of the public are not subjected to RF power density levels that exceed the Maximum Permissible Exposure (MPE) limits as given in Part 1.1310 of the FCC Rules. Experimental testing will only be conducted with appropriate controls in place, and no personnel will be on the roof during transmissions that will exceed the MPE levels. ELTA will have an RF Safety Plan which describes the procedures and controls necessary to comply with MPE levels during operations and maintenance. ELTA N.A. conducted a worst-case analysis of power density levels in the area surrounding the transmitting antenna based on the FCC's OET Bulletin Number 651. The applicable radar parameters and results are shown in Tables 1 and 2, respectively. With the building height of approximately 19 feet and a width of 86 feet, the line-of-sight distance to a six-foot person standing on the ground is 184 feet. This assumes that the antenna center is 4 feet above the roof. Consequently even under worst-case conditions personnel on the ground will be beyond the distance where the power density exceeds the MPE limit. Table 1. — Power Density Analysis Parameter Value Operational frequency, MHz 10595 Transmitter output power (peak), W 32 Antenna gain (mainbeam), dBi 24 Ground reflection factor 1.5 Table 2 — Power Density Analysis Results Parameter Controlled Uncontrolled Maximum Permissible Exposure, mW/cm' 5.005 1.005 Minimum required distance, meters 5.738 12.8117 Minimum required distance, feet 18.8254 42.0332


Document Created: 2013-11-05 09:58:44
Document Modified: 2013-11-05 09:58:44
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