Library Search Library Sort by Most recentA-ZZ-ARelevance Select date Toggle facet Select option Last 6 months (1) Select activity Toggle facet Select option About us (60) Air navigation services performance review (91) Airport integration (23) Airspace design and utilisation (203) Civil-military cooperation in aviation (31) Communications, navigation and surveillance (114) Cross-border air navigation services | Maastricht UAC (26) Cybersecurity (6) Digitalisation and information management (50) Disruption and crisis management (5) Effective cost-recovery system | CRCO (76) Environment (24) Forecasting (187) Innovation, research and deployment (400) Master plan, architecture and monitoring (53) Network operations (148) Network operations planning (6) Network performance (253) Optimised operational performance | Network Manager (560) Procurement (1) Safety (111) Scarce resources management (12) Facet deactivate Simulations and validation (99) Standardisation (118) Training and skills (1) Unmanned aircraft systems (30) Select product Select topic Toggle facet Select option ASTERIX (1) Mode S (9) Reset filtersScarce resources management Facet deactivate Search Library Sort by Most recentA-ZZ-ARelevance 12 results found Secondary Surveillance Radar Code Allocation List for the ICAO EUR Region (CAL) Version 4.7 17 April 2020 Download 8.33kHz Voice Channel Spacing (VCS) implementation handbook Version 1.1 1 July 2017 Download Aircraft identification programme operational concept document Version 1.0 25 October 2011 Download Mode S elementary surveillance (ELS) operations manual Version 1.0 2 January 2011 Download European Mode S station surveillance co-ordination interface control document Version 2.06 9 May 2005 Download European Mode S station coverage map interface control document Version 1.16 9 May 2005 Download European Mode S station functional specification Version 3.11 9 May 2005 Download Mode S transponder in an airport/A-SMGCS environment - Clarification Version 1.1 3 May 2005 Download Principles of Mode S operation and interrogator codes Version 2.3 18 March 2003 Download European Mode S station surveillance output interface control document Version 1.02 19 April 2001 Download European Air Traffic Control Harmonisation and Integration Programme (EATCHIP) Ground Datalink Processor (GDLP) - Local User ICD for POEMS Version 1.7 17 March 1999 Download Mode S concept of operations Version 2.0 28 November 1996 Download Contact us × First name Last name Your Email Message I agree that my data can be processed in accordance with EUROCONTROL's privacy and data protection policy. We take data management seriously. At EUROCONTROL, we manage your data responsibly and do not provide it to third parties. We only use and process your data to answer your question and for quality control purposes. We apply our internal data protection rules, which are aligned with the General Data Protection Regulation, to all of our data-processing. Read our full privacy and data protection policy to learn more.