1. Agilent, ADS2005A Manual, Agilent Technologies Inc., Palo Alto/USA, 2005
2. ETSI, EN 301 841-1 (v1.2.1): Electromagnetic compatibility and Radio spectrum Matters (ERM); VHF air-ground Digital Link (VDL) Mode 2; Technical characteristics and methods of measurement for ground-based equipment; Part 1: Physical Layer and MAC Sub-layer, European Telecommunications Standards Institute, Sophia-Antipolis Cedex/France, 2003
3. ETSI, EN 301 842-1 (v1.2.1): Electromagnetic compatibility and Radio spectrum Matters (ERM); VHF air-ground Digital Link (VDL) Mode 4 radio equipment; Technical characteristics and methods of measurement for ground-based equipment; Part 1: EN for ground equipment, European Telecommunications Standards Institute, Sophia-Antipolis Cedex/France, 2005
4. EUROCONTROL, CASCADE Charter (ed. 1.0), European Organization for the Safety of Air Navigation, Brussels/Belgium, 2005
5. EUROCONTROL, LINK2000+ Programme Baseline 1 (version 1.0), European Organization for the Safety of Air Navigation, Brussels/Belgium, 2005