Fort Walton Beach Council agenda — 09-22-2009 regular — reading text

the MDA or DH, the higher the minimum transmit ( e. g., radar detectors). Certain frequencies within cloud ceiling needs to be and the greater the visibility needs the radio frequency spectrum are of more concern than to be. This increase in required weather minimums reduces others, since the frequencies can interfere with the safety of the availability of the airfield. test missions. If a test item or aircraft is lost due to fre- quency issues, safety can be compromised beyond what is acceptable. Training missions tend to use the very high Section 7 - FORT WALTON BEACH O TETRA TECH 36-  uy -luj EGLIN AIR FORCE BASE JOINT LAND USE STUDY g JUNE 2009 t a i lE t y t v w i M+ wMl W. 1.4 y n f G V rSv 9 on, i. t`\ l § L C G G S, @J u CP o G x Section 7 - FORT WALTON BEACH N TETRA TECH 37- asp EOLIN AIR FORCE BA SE JOINT LAND USE STUDY JUNE 2009 V y D ti y N y C v 0 N C y r bGJ Y! Y y Q v O_ bl Y y ti Fey ti 2 N TETRATECH Section 7 - FORT WALTON BEACH 38-  f Y EGLIN AIR FORCE BASE JOINT LAND USE STUDY JUNE 2009: frequency ( VHF) and ultrahigh frequency ( UHF) band- tential changes to the island or shoreline and surrounding widths, which currently are dedicated military frequencies. area could potentially lead to more increases in civilian and The following are specific frequencies and the devices that commercial boat traffic. As stated in the RAICUZ, these emit the frequencies capable of causing the most serious possible changes, such as construction of a pass through encroachment. the non -federally owned portions of Santa Rosa Island or establishment of artificial reefs, would attract marinas and The bandwidth between 5.2 to 5. 9 GHz contains Eglin' s additional boats to the area. The associated increase in primary frequencies used to track test items using radio boat traffic would complicate access restriction measures location, radar tracking, and beacon /transponder tracking. and potentially cause safety concerns, mission delay, or The radars used to track test items are extremely sensitive cancellation of the mission. and can detect even the smallest emitter, for example a cordless phone being used on the third floor of a condomin- 7. 3 ANALYSIS ium. Devices that interfere with these frequencies include To facilitate the analysis of land use for the issues identified wireless LAN, microwave, and cordless devices. Since en- croachment on these frequencies interferes with the safety in the previous section, the City' s Zoning Map and Future of test missions, protection is a priority and must be proac- Land Use Map are provided in Figures 7 -6 and 7 -7, respec- tive rather than reactive as interferences occur. tively. 7.3. 1 Eglin Perimeter Boundary Development Generally, the interference occurs within a 50 -mile area extending from the Eglin boundary. To protect against this The area of the City within one mile of Eglin' s boundary is interference, a buffer of 50 miles within which all devices or almost at buildout with the exception of a few parcels in the systems operating within the 5.4- to 5. 9 -GHz bandwidth City's Industrial Park and a few platted single -family resi- would be prohibited is recommended ( Giangrosso, 2006). dential lots -. It is uncertain at this time if and when the City will annex additional lands within one mile of the Eglin Recent encroachment within the 5. 4- to 5. 9 -GHz bandwidth boundary since the County has the infrastructure ( water include a developer installing wireless LAN in a high -rise and wastewater) in place or readily available in these areas condominium along the coastline and a local county install- to support development. ing wireless LAN and microwave to communicate between coastal and inland offices. 7. 3. 2 Impulse Noise 7.2.7 Controlled Firing Areas The nature of the impulse noise in the City is in the low to moderate ranges as previously shown in Figure 7 -2. The According to the RAICUZ, there are 20 test sites associated with Santa Rosa Island, 11 of which are actively used in effects in these