1. AVIATION FREQUENCY SPECTRUM Judimar Chagas Chief CNS Agenda Item 5

2. CIVIL AVIATION USE Radio Frequency Spectrum Percentage(%) LFMFHFVHFUHFSHFTotal COM-2.26.96.50.6-2.9 NAV7.114.8-4.112.51.06.2 SUR----6.28.63.2 TOTAL7.117.06.910.619.38.6 11.8

3. Aviation Frequency Spectrum Navigation CommunicationSurveillance LFMF HF SHF VHF (GHz) (MHz) (kHz) UHF (MHz) 30

4. Aviation Frequency Spectrum Navigation CommunicationSurveillance LFMF HF SHF VHF (GHz) (MHz) (kHz) UHF NDB AM(R)S ILS Localizer and VOR DME GNSS RADAR / Radio Altimeter ILS- Glide Path MLS (MHz) AMS(R)S

5. ITU The International Telecommunication Union (ITU) is the specialized agency of the United Nations for telecommunications matters where international agreements are made on the use of the radio frequency spectrum

6. ICAO’s ROLE Analyze the agenda of WRC’s (World Radiocommunication Conferences) Develop the ICAO position Work with ITU and Regional Telecommunications Organizations (APT, CEPT, CITEL…) Submit the position(approved by the Council) to States and ITU Participate in WRC’s

7. What is expected from States Assist in the development of the ICAO position Participate with aviation experts in the work of ITU and Regional Telecommunications Organizations Send aviation experts to WRC’s (Assembly Resolution A32-13) Support ICAO position (A32-13) WRC-2003 – Geneva, Switzerland, 9 June to 4 July 2003 : Outcome very favourable for aviation Next WRC - 2007

8. CIVIL AVIATION USE Radio Frequency Spectrum Percentage(%) LFMFHFVHFUHFSHFTotal COM-2.26.96.50.6-2.9 NAV7.114.8-4.112.51.06.2 SUR----6.28.63.2 TOTAL7.117.06.910.619.38.6 11.8