Interference From NonAeronautical Systems

1
Interference From Non-Aeronautical Systems
European Views
Presented by John Mettrop UK CAA/FMG Chairman
2
Power Line Communication / Power Line
Telecommunications

• Purpose
• Provision of signalling, High speed internet
• Potentially Affect Services
• NDB, HF Communications
• Documented Cases of Interference
• 1960 Aircraft accident in Switzerland
• Interference to ARINC HF in San Francisco
• Solution
• Avoidance of frequencies
• Studies
• ECC Report 24
• May 2003
• http//www.ero.dk/documentation/docs/docfiles.asp?
  docid1941wdN

3
Faulty Baby Alarms

• Purpose
• Monitoring baby activity during sleep
• Potentially Affect Services
• VHF Communications
• Documented Cases of Interference
• Numerous in the UK
• Solution
• Supply replacement unit
• Studies
• None

4
Industrial/Scientific/Medical 5th Harmonic of 27
MHz

• Purpose
• Various including RF drying ovens for biscuits
  etc
• Potentially Affect Services
• VHF Communications
• Documented Cases of Interference
• Numerous within the UK
• Solution
• Retune centre frequency of the RF unit
• Better RF Shielding
• Studies
• None

5
Cable TV

• Purpose
• Provision of television and internet services
• Potentially Affect Services
• ILS, VOR, VHF Communications
• Documented Cases of Interference
• Numerous in Germany and Belgium
• Initial Problems in the UK
• Solution
• Improved termination of cables
• Frequency avoidance
• Studies
• ECC Report 24
• May 2003
• http//www.ero.dk/documentation/docs/docfiles.asp?
  docid1941wdN

6
Wireless Cameras

• Purpose
• Wireless CCTV cameras
• Potentially Affect Services
• DME, SSR, GNSS
• Documented Cases of Interference
• See WG F Working Paper 9
• Solution
• Confiscation
• Prosecution
• Studies
• None

7
GSM On-board Aircraft

• Purpose
• Provide mobile phone communications in flight
• Potential Impact
• Interference to Aircraft Systems
• Passenger Behaviour (Air Rage)
• Interference to Ground Non-Aeronautical Services
• Studies
• RTCA 202 (on-going)
• Eurocae WG58 (on-going)
• CEPT SE 7 Technical Report (on-going)

8
Windfarms 1

• Purpose
• Renewable Energy Provision
• Potentially Affect Services
• Radar
• (ILS, MLS, VHF Communications)
• Documented Cases of Interference
• See next slide
• Solution
• Objection to Development
• Studies
• None published
• Work on-going

9
Windfarms 2
10

• Questions