Federal Aviation Administration Radio Frequency Radio Frequency Interference Interference Mike Biggs Mike Biggs Senior Engineer Senior Engineer US FAA Spectrum Engineering US FAA Spectrum Engineering Services Services Regional Preparatory Workshop Regional Preparatory Workshop for WRC-15 for WRC-15 Lima, Peru Lima, Peru March 12, 2013 March 12, 2013
Radio Frequency Interference. Regional Preparatory Workshop for WRC-15 Lima, Peru March 12, 2013. Mike Biggs Senior Engineer US FAA Spectrum Engineering Services. - PowerPoint PPT Presentation
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Federal AviationAdministrationRadio Frequency Radio Frequency
InterferenceInterference
Mike BiggsMike Biggs
Senior EngineerSenior Engineer
US FAA Spectrum Engineering US FAA Spectrum Engineering ServicesServices
Regional Preparatory Workshop for Regional Preparatory Workshop for WRC-15 WRC-15
Lima, PeruLima, Peru
March 12, 2013March 12, 2013
2Federal AviationAdministration
What is Radio Frequency Interference (RFI)?
• 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
US RFI Investigation ResourcesFAA Personnel and Organizations:FAA Personnel and Organizations:
ATO Spectrum Engineering ServicesATO Spectrum Engineering ServicesHeadquartersHeadquartersTechnical CenterTechnical CenterCommand CenterCommand Center
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 Regional Preparatory Workshop for WRC-15
March 2013
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 Regional Preparatory Workshop for WRC-15
March 2013
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 Regional Preparatory Workshop for WRC-15
March 2013
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)