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3.7 hazardous materials and hazardous waste - Missile Defense ...

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Chapter 3—Affected EnvironmentElectromagnetic Radiation EnvironmentFor purposes of this study, the electromagnetic environment aroundRemote Sprint Launch Site 4 includes all ground-based systems within a30-kilometer (19-mile) radius for out-of-b<strong>and</strong> systems <strong>and</strong> within a 350-kilometer (217-mile) radius for in-b<strong>and</strong>, adjacent b<strong>and</strong>, <strong>and</strong> harmonicallyrelatedb<strong>and</strong>s. The communications-electronics environment aroundRemote Sprint Launch Site 4 was found to include 132 systems rangingin frequencies from 43 to 24,150 megahertz. The distribution of thesesystems over the electromagnetic spectrum, VHF–K-B<strong>and</strong>, is shown insection 3.8.2.1, figure 3.8-9. These systems were categorized intopotential victims of frequency-related interference or non-frequencyrelated interference.Communications-Electronics Frequency Related Interference. Theexisting ground-based communications-electronics environment aroundRemote Sprint Launch Site 4 includes two in-b<strong>and</strong> systems: a precisionapproach radar in Minot, North Dakota, <strong>and</strong> a weather radar in ParkRapids, Minnesota. The airborne electromagnetic environment includesthree types of in-b<strong>and</strong> systems: fire control, bomb/navigation, <strong>and</strong>weather radars. Weather radars are utilized on both civilian <strong>and</strong> militaryaircraft. Section 3.3.2.1 provides an overview of the airspace <strong>and</strong>airports in the Remote Sprint Launch Site 4 ROI.Communications–Electronics Non-frequency Related Interference. Theout-of-b<strong>and</strong> electromagnetic environment (within 30 kilometers [19miles]) at Remote Sprint Launch Site 4 includes 132 ground-basedsystems. The majority of the systems (112 systems) are l<strong>and</strong>-mobileUHF <strong>and</strong> VHF radios. Also included are one speed gun, twelve satellitecommunications systems, <strong>and</strong> seven pager/cellular phone towers.Although no airborne systems are registered with the NTIA or FCC forthis area, it is anticipated that various avionics equipment (tactical airnavigation, IFF systems, glideslopes, beacons, etc.) will be present asaircraft travel in <strong>and</strong> out of the area.Radiation Hazards. Based upon the absence of high-power emitterswithin a 30-kilometer (19-mile) radius of Remote Sprint Launch Site 4,the existing electromagnetic environment does not present substantiallevels of radiation hazards to personnel, electroexplosive devices, orfuels.NMD Deployment Final EIS 3-257

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