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J. Ádám, B. Takács, K. Kratochvilla, P. Zaletnyik, & Sz. Rózsa – BUTE R. Farnworth & S. Soley - Eurocontrol EEC P.B. Ober - Integricom EGNOS data collection.

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Presentation on theme: "J. Ádám, B. Takács, K. Kratochvilla, P. Zaletnyik, & Sz. Rózsa – BUTE R. Farnworth & S. Soley - Eurocontrol EEC P.B. Ober - Integricom EGNOS data collection."— Presentation transcript:

1 J. Ádám, B. Takács, K. Kratochvilla, P. Zaletnyik, & Sz. Rózsa – BUTE R. Farnworth & S. Soley - Eurocontrol EEC P.B. Ober - Integricom EGNOS data collection in Budapest

2 Overview Eurocontrol GNSS-1 Operational Validation The data collection network Overview of data collection ‘products’

3 EUROCONTROL European Organisation for the Safety of Air Navigation 31 members

4 Mission Requirements To Operational Validation ETG ‘Mission’ Validation Civil Aviation (EUROCONTROL, Future Operator) Land/Maritime (CEU) ESA System Validation EGNOS System Design & Development ESA System Requirements Civil Aviation (EUROCONTROL) Land/Maritime (CEU) European Tri-partite Group EGNOS Mission Requirements

5 Eurocontrol Activities EGNOS/ESTB Data Evaluation Tools Integrity Validation Studies Conceptual validation Data validation Flight Trials at various locations Bretigny, Nice, Sion Static Data Collection ESTB/EGNOS Data Collection Network

6 Data Collection Network Prepare for EGNOS Operational Validation Gather experience with ESTB/EGNOS Receivers Tools Results Learn what anomalies can be identified Compare results from different locations Establish regular monitoring tools Validate Pegasus results

7 Nodes of the network Hartebeesthoek Kourou IOR PRN131 Höfn Tromsö Hönefoss Rotterdam Scilly Toulouse Malaga Palma Canaries Fucino Matera Ankara ESTB reference station (RIMS) EURIDIS reference station ESTB processing facilities (CPF, MCC) NLES Barcelona Lisboa ESTB Data Collection NT GOV Working Group

8 Activities Collect ESTB/EGNOS Data and Evaluate them from different sites in Europe Group of experts to support: the development of the tools need in the future EGNOS Operational Validation definition of data collection procedures Baseline for the future static campaign in the GOV Plan – extended with the ANSP participation

9 Activities (2) Data collection at regular intervals - full flexibility Regular performance reports - Web site Recommendations for the tools - PEGASUS Deep analysis on specific subjects/anomalies VPL trend analysis Protection Levels and MT 25 in PEGASUS High fast corrections values, UDREI holes (14/02/03) Ionospheric tests - ESTB corrections monitoring ESTB Performance against losing satellites MIs appearing due to bad ionospheric corrections Multipath analysis…

10 Why BUTE? Extension of network to the east Broad GNSS experience: GPS education since 1988/1995 Operating a permanent station since 2000 especially for surveyors participating in the EUREF IP project http: //stargate.fgt.bme.hu/indexen.html Experience with many different receiver brands Trimble Geotracer Leica Novatel

11 Why Integricom? Teaming with BUTE Participation in GOV activities EGNOS Integrity concept EGNOS data-based validation Specialisation in integrity-related issues Integrity seen as most critical performance parameter Background in use of GNSS for aviation

12 Data collection at BUTE GPS antennas Dept. of Surveying and Geodesy

13 The Novatel antenna

14 Station configuration Novatel Millenium WAAS receiver Novatel Pinwheel G-600 antenna Antenna pole on the chimney Continuous logging

15 Multipath assessment Source of multipath? MP plot (made by Delft)

16 Data collection products (1) ‘First glance’ Check observed perfor- mance against requirement Single site/one day Test fail/pass

17 Data collection products (2a) Anomaly investigation Example: integrity Integrity failures: HPE>HPL

18 Recent results

19 Recent results (2)

20 Data collection products (2b) Pseudorange correction oscillations broadcast in MT02 and MT03 UDREI<12 IODF<3 Pseudorange correction oscillations broadcast in MT02 and MT03 UDREI<12 IODF<3

21 20:40 VPE/VPL Pref-Res PRN11 PRN16 PRN02 Prefit- residuals Large number of MI Data collection products (3a) 19:17

22 STEC (m L1) Data collection products (3b) PRN16: P2-P1 (shifted) PRN16: C1-Rho (shifted) PRN16: L1-L2 (shifted) STEC (m L1) 19:17 20:40 PRN16: STEC +/- UIRE (ESTB) Barcelona, November 20 th, 2003

23 Data collection products (3c) 22:00 18:00 20:00 LOW Medium High Very High Extreme October 29-31th November 20-21th Kp index from Oct. 17th up to Dec. 1 st 2003 Kp index from Oct. 17th up to Dec. 1 st 2003

24 Concluding remarks BUTE and Integricom involved in EGNOS data collection and data analysis Eurocontrol GOV activities Building expertise on EGNOS within a network of 6 European Universities and many ASP-s Ready to take step to Galileo

25 ?? P.B.Ober@Integricom.NL Bence@Agt.Bme.HU

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