i 2 OE/AAA Spectrum Engineering Presented to: i 2 OE/AAA Ext. Users Conf Federal Aviation Administration Southern Pines, NC By: Date:

Transcription

1 i 2 OE/AAA Spectrum Engineering Services Presented to: i 2 OE/AAA Ext. Users Conf Southern Pines, NC By: Date: René ( RJ ) Balanga April 25, 2007

2 Topics of Discussion Background of Me Organization Overview Electromagnetic Compatibility & Radio Frequency Interference Wind Turbine Updates 2

3 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

4 Organization Overview 4

5 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

6 FAA Field Re-Alignment (Service Areas) 6

7 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) Headquarters (Spectrum Assignment & Engineering Service) Headquarters (Spectrum Planning & International Service) Headquarters (Spectrum Testing and Engineering Analysis Service) Eastern Region (AEA-472) New England Region (ANE-471) Southern Region (ASO-473) Central Region (ACE-474) Great Lakes Region (AGL-472) Southwest Region (ASW-473) Alaskan Region (AAL-470) Northwest Mountain (ANM-472) Western Pacific Region (AWP-475) Western Pacific Region (Hawaii-AWP-476)

8 Physical: My Contact Information FAA Headquarters 800 Independence Ave, SW Rm: 715 Washington, D.C Voice: Fax:

9 Information Available On-Line headquarters_offices/ato/service_units/ techops/spec_management/ 9

10 Electromagnetic Compatibility & Radio Frequency Interference 10

11 11

12 Frequencies Utilized by FAA & khz Non-directional Beacons ,000 khz HF Communications 75 MHz NAVAID (Marker Beacons) MHz VOR; ILS Localizer MHz VOR; SCAT-I Radionavigation data link MHz VHF Air / Ground Communications & MHz Fixed, Mobil & MHz UHF Air / Ground Communications (U.S. Military) MHz ILS Glide Slope MHz Fixed, Mobil & MHz RMM, LLWAS, LDRCL, etc MHz NAVAID (TACAN / DME, etc.) 1030 & 1090 MHz Air Traffic Control Radar Beacon; Mode S; TCAS MHz Air Route Surveillance Radar; GPS and GLONASS L MHz Satellite-Based Comm (To Aircraft) MHz Satellite Navigation; GPS and GLONASS L MHz Satellite-Based Comm (From Aircraft) MHz LDRCL; fixed links MHz Airport Surveillance and Weather Radar MHz Microwave Landing System MHz TDWR MHz RCL MHz Military Precision Approach Radar GHz Microwave Link GHz Radar (ASDE-3) GHz Microwave Link 12

13 NAS RFI Yearly Activity Statistics 1995 Events = Events = Events = Events = Events = Events = Events = Events = Events = Events = Events = 1642 ** Nearly 1,000 RFI Cases (since Oct. 04) that we could not locate the source. 13

14 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

15 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

16 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

17 Wind-Turbine Update (EMI Effects) 17

18 Wind Turbine Siting Study T Same # of WTs, but methodically sited 18

19 EMI Eddy Effect of Generators 19

20 Beacon Reflection Study 20

21 ??? QUESTIONS??? 21

22 Information Available On-Line headquarters_offices/ato/service_units/ techops/spec_management/ 22