i 2 OE/AAA Spectrum Engineering Services Presented to: i 2 OE/AAA Ext. Users Conf. 2007 Southern Pines, NC By: Date: René ( RJ ) Balanga April 25, 2007
Topics of Discussion Background of Me Organization Overview Electromagnetic Compatibility & Radio Frequency Interference Wind Turbine Updates 2
Background of Me FAA Approx. 5 years in HQ Spectrum Office Private Industry Teligent Local Multipoint Distribution Services (LMDS) Point-to-Point Microwave Kurtis and Associates, PC (Telecommunications Law Firm) PowerTel Carolina PCS DiGiPH Mid-Missouri Cellular 3
Organization Overview 4
Director ATC Spectrum Engineering Services (AJW-6) Oscar Alvarez (Acting) Technical Operations Service Area Frequency Management Officers Spectrum Chief Systems Engineer (AJW-61) Oscar Alvarez Spectrum Business Management (AJW-62) Spectrum Assignment and Engineering (AJW-63) Spectrum Planning and International (AJW-64) Spectrum Testing and Engineering Analysis (AJW-65) Douglas Quimby Jerrold Sandors Robert Frazier Paul Dever DoD Military Liaison Lt.Col. John Cabala Western Service Area Central Service Area Eastern Service Area Eastern Service Area Central Service Area Western Service Area Aeronautical Center Oklahoma City, OK Tech Center Atlantic City, NJ 5
FAA Field Re-Alignment (Service Areas) 6
The frequency management office s play an important role in supporting the goal of air safety within our Nation's airspace. We encourage you to contact either them or ATC Spectrum Engineering Services for any radio frequency requirements. They can be reached at the following phone numbers: Headquarters Eastern Service Area Central Service Area Western Service Area Office/Area (Former Regional Location) Main Phone Headquarters (ATC Spectrum Engineering Services) 202.267.9710 Headquarters (Spectrum Assignment & Engineering Service) 202.267.8534 Headquarters (Spectrum Planning & International Service) 202.267.9712 Headquarters (Spectrum Testing and Engineering Analysis Service) 609.485.5866 Eastern Region (AEA-472) 718.977.6511 New England Region (ANE-471) 603.881.1151 Southern Region (ASO-473) 404.305.6672 Central Region (ACE-474) 816.426.5647 Great Lakes Region (AGL-472) 847.294.8472 Southwest Region (ASW-473) 817.222.4761 Alaskan Region (AAL-470) 907.271.5240 Northwest Mountain (ANM-472) 425.227.2328 Western Pacific Region (AWP-475) 310.725.3475 Western Pacific Region (Hawaii-AWP-476) 808.541.1241 7
Physical: My Contact Information FAA Headquarters 800 Independence Ave, SW Rm: 715 Washington, D.C. 20591 Voice: 202.267.3819 Fax: 202.267.5901 E-mail: rene.balanga@faa.gov 8
Information Available On-Line http://www.faa.gov/about/office_org/ headquarters_offices/ato/service_units/ techops/spec_management/ 9
Electromagnetic Compatibility & Radio Frequency Interference 10
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Frequencies Utilized by FAA 190-435 & 510-535 khz Non-directional Beacons 2100-28,000 khz HF Communications 75 MHz NAVAID (Marker Beacons) 108-112 MHz VOR; ILS Localizer 112-118 MHz VOR; SCAT-I Radionavigation data link 118-137 MHz VHF Air / Ground Communications 138-150.8 & 162-174 MHz Fixed, Mobil 225-328.6 & 335.4-400 MHz UHF Air / Ground Communications (U.S. Military) 328.6-335.4 MHz ILS Glide Slope 406.1-420 MHz Fixed, Mobil 932-935 & 941-944 MHz RMM, LLWAS, LDRCL, etc. 960-1215 MHz NAVAID (TACAN / DME, etc.) 1030 & 1090 MHz Air Traffic Control Radar Beacon; Mode S; TCAS 1215-1390 MHz Air Route Surveillance Radar; GPS and GLONASS L1 1545-1559 MHz Satellite-Based Comm (To Aircraft) 1559-1610 MHz Satellite Navigation; GPS and GLONASS L1 1646.5-1660.5 MHz Satellite-Based Comm (From Aircraft) 1710-1850 MHz LDRCL; fixed links 2700-3000 MHz Airport Surveillance and Weather Radar 5000-5250 MHz Microwave Landing System 5600-5650 MHz TDWR 7125-8500 MHz RCL 9000-9200 MHz Military Precision Approach Radar 14.4-15.35 GHz Microwave Link 15.7-16.2 GHz Radar (ASDE-3) 21.2-23.6 GHz Microwave Link 12
NAS RFI Yearly Activity Statistics 1995 Events = 1109 1996 Events = 1248 1997 Events = 1398 1998 Events = 1576 1999 Events = 1596 2000 Events = 1771 2001 Events = 1721 2002 Events = 1659 2003 Events = 1698 2004 Events = 1712 2005 Events = 1642 ** Nearly 1,000 RFI Cases (since Oct. 04) that we could not locate the source. 13
RFI Categories/Sources RFI Categories: Authorized Transmissions Properly Licensed (i.e. FM, AM, TV) Unauthorized Transmissions Wireless Video Cameras High Power Cordless Telephones Unlicensed Pirate FM Stations Spurious Intentional Jamming Phantom Controllers Unintentional Spurious Transmissions 14
RFI Categories/Sources Cont d. RFI Sources: Citizens Band (CB) Radios (5 th harmonic) Paging Systems Stuck Microphone Transmissions Aircraft Part 15 Devices (spurious emissions) Military Electronic Attack (EA) Missions Power line Noise (Broadband Noise) Anomalous Propagation Atmospheric Conditions Amateur HAM Radio Land Mobile/Dispatch 15
Typical RFI Examples Un-licensed RF transmissions RF Harmonics/Spurs Intermodulation Equipment failures (including: radios, grounding, couplers, shielding, etc.) Increase of authorized transmit power (or adding an external amplifier) 16
Wind-Turbine Update (EMI Effects) 17
Wind Turbine Siting Study T Same # of WTs, but methodically sited 18
EMI Eddy Effect of Generators 19
Beacon Reflection Study 20
??? QUESTIONS??? 21
Information Available On-Line http://www.faa.gov/about/office_org/ headquarters_offices/ato/service_units/ techops/spec_management/ 22