Federal Aviation Administration Radio Frequency Radio Frequency Interference Interference Mike Biggs Mike Biggs Senior Engineer Senior Engineer FAA Spectrum Engineering FAA Spectrum Engineering Services Services Spectrum Management Seminar Spectrum Management Seminar Nairobi, Kenya Nairobi, Kenya September 18, 2007 September 18, 2007
Radio Frequency Interference. Spectrum Management Seminar Nairobi, Kenya September 18, 2007. Mike Biggs Senior Engineer FAA Spectrum Engineering Services. - PowerPoint PPT Presentation
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Federal AviationAdministrationRadio Frequency Radio Frequency
• ITU Definition: The effect of unwanted energy due to one or a combination of emissions, radiations, or inductions upon reception in a radiocommunication system, manifested by any performance degradation, misinterpretation, or loss of information which could be extracted in the absence of such unwanted energy.
• Criteria to mitigate inter-system interference are established as an element of ICAO SARPs. – E.g., 8 dB D/U for co-channel DME assignments
Frequency Management Officers (FMO)Frequency Management Officers (FMO)Technical Operations Service AreasTechnical Operations Service AreasAeronautical CenterAeronautical Center
Technical Support Field Specialists (Technicians)Technical Support Field Specialists (Technicians)
Aviation System Standards (Flight Inspection)Aviation System Standards (Flight Inspection)One International FIOOne International FIOSix National FIOsSix National FIOs
ICAO Spectrum Management Seminar
September 2007
8Federal AviationAdministration
Automated or ManualAutomated or Manual
Full Equipment SuiteFull Equipment Suite
DF Control/MappingDF Control/Mapping
20 - 3000 MHz20 - 3000 MHz
Regional Regional Used mainly by FMOsUsed mainly by FMOsMost Complete Measurement SystemMost Complete Measurement System
RFI Investigation Resources
FAA Assets and Software FAA Assets and Software ToolsTools
Radio Frequency Interference Radio Frequency Interference Monitoring (RFIM) VansMonitoring (RFIM) Vans
ICAO Spectrum Management Seminar
September 2007
9Federal AviationAdministration
29 RFID
Systems
GPS DF Antenna
L1 - 1575.42 MHz
RegionalRegional
Automated Vehicle mounted Automated Vehicle mounted mobile DFmobile DF
Detection Band 20-2000 MHzDetection Band 20-2000 MHz
Portable DF (RFID)
ICAO Spectrum Management Seminar
September 2007
10Federal AviationAdministration
RegionalRegional
Most Cost effective Most Cost effective First choice First choice
instrument for instrument for technicianstechnicians
Approx. 300Approx. 300
K95-100 SystemsK95-100 Systems
GPS DF AntennaGPS DF Antenna
L1,L2,L5L1,L2,L5
VHF Yagi AntennaVHF Yagi Antenna
DirectionalDirectional
Regional System Management Office Regional System Management Office (SMO)(SMO)