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ESSP SAS, 18 Avenue Edouard Belin, BPI 602 31401 Toulouse Cedex 9
Monthly Performance Report
March 2014
Reference : ESSP-DRD-11445
Edition Number : 01-00
Edition Date : 03.04.2014
Status : Released
Intended for : General Public
ESSP SAS Doc: ESSP-DRD-11445 Issue: 01-00
EGNOS Monthly Performance Report - March 2014 Date:03.04.2014
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European Satellite Services Provider SAS
18 Avenue Edouard Belin, BPI 602 31401 Toulouse Cedex 9
Société par action simplifiée
R.C.S. Toulouse 508 275 286
SIRET 508 275 286 00013
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TABLE OF CONTENTS EXECUTIVE SUMMARY ....................................................................................................................... 5
1 EGNOS SIS Availability .................................................................................................................. 6
2 Open Service (OS) ............................................................................................................................ 7
2.1 Open Service Horizontal and Vertical Accuracy .............................................................................. 7
2.2 EGNOS Open Service Availability ..................................................................................................... 9
3 Safety-of-Life Service (SoL) .......................................................................................................... 10
3.1 EGNOS Non Precision Approach (NPA) ......................................................................................... 10 3.1.1 EGNOS NPA availability ............................................................................................................................... 10 3.1.2 EGNOS NPA Continuity ................................................................................................................................ 11 3.1.3 EGNOS NPA Integrity Events ........................................................................................................................ 12 3.1.4 EGNOS NPA Accuracy .................................................................................................................................. 13
3.2 EGNOS Approach with Vertical guidance (APV-I) ....................................................................... 15 3.2.1 EGNOS APV-I Availability ........................................................................................................................... 15 3.2.2 EGNOS APV-I Continuity Risk ..................................................................................................................... 16 3.2.3 EGNOS APV-I Integrity ................................................................................................................................. 17 3.2.4 EGNOS APV-I Accuracy ............................................................................................................................... 19
4 APV-I Performance at Airports ..................................................................................................... 21
5 EGNOS Data Access Service (EDAS) ........................................................................................... 25
Appendix A Receiver Monitoring network ........................................................................................ 27
Appendix B Reference Documents .................................................................................................... 29
Appendix C List of acronyms ............................................................................................................. 30
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LIST OF FIGURES Figure 1 – EGNOS SIS & PRN Availability for March 2014. ................................................................. 6
Figure 2 – Trending of EGNOS SIS Availability per GEO. ..................................................................... 6
Figure 3 – EGNOS Open Service HNSE Histogram and Cumulative Probability ................................... 8
Figure 4 – EGNOS Open Service VNSE Histogram and Cumulative Probability ................................... 8
Figure 5 – EGNOS Open Service Availability at reference stations ........................................................ 9
Figure 6 – EGNOS NPA availability ...................................................................................................... 10
Figure 7 – EGNOS NPA Continuity over the last 6 months .................................................................. 11
Figure 8 – EGNOS NPA Horizontal Safety Index of the month ............................................................ 12
Figure 9 – EGNOS NPA HNSE Histogram............................................................................................ 14
Figure 10 – EGNOS NPA HNSE Cumulative Probability ..................................................................... 14
Figure 11 – EGNOS APV-I Availability ................................................................................................ 15
Figure 12 – EGNOS APV-I Continuity .................................................................................................. 16
Figure 13 – EGNOS APV-I Horizontal Safety Index of the month ....................................................... 17
Figure 14 – EGNOS APV-I Vertical Safety Index of the month ............................................................ 18
Figure 15 – EGNOS APV-I HNSE Histogram and Cumulative Probability .......................................... 20
Figure 16 – EGNOS APV-I VNSE Histogram and Cumulative Probability .......................................... 20
Figure 17 – EGNOS RIMS sites used in this report ............................................................................... 27
LIST OF TABLES Table 1 – EGNOS SIS Availability (%) on EGNOS GEO satellites. ....................................................... 6
Table 2 – EGNOS Open Service accuracy (95%) .................................................................................... 7
Table 3 – EGNOS NPA Horizontal Accuracy (95%) and percentage of time in NPA mode ................ 13
Table 4 – EGNOS APV-I Accuracy (95%) and percentage of time in APV-I mode at reference stations
......................................................................................................................................................... 19
Table 5 – Monthly APV-I Availability at airports with published procedures using EGNOS ............... 24
Table 6 –Performance of EDAS Services ............................................................................................... 25
Table 7 - List of sites where performance are reported .......................................................................... 28
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EXECUTIVE SUMMARY
This report presents an overview of the EGNOS services performance during March 2014. The report contains global
results of the reported period, including maps and tables with the performance observed at different locations in
Europe using GEO-combined values for PRN120-PRN126. A list of the stations analyzed in this report, including
their location can be found in Appendix A. Additional and more detailed information about EGNOS performance can
be found at the EGNOS User Support website (http://egnos-user-support.essp-sas.eu/).
The Service Notice #10 explaining the status and the reasons of some degraded areas in Safety of Life and Open
Service was published at the ESSP website (http://www.essp-sas.eu/service_notices) with title “Status EGNOS
performances - North and South West of Service Area” [RD-4].
Safety of Life Service (SoL)
The results corresponding to APV-I Availability and Continuity for this month present some degraded areas, mainly
in the Southwest of the Service Area for APV-I Availability and Continuity. The percentage of SoL SDD service area
[RD-2] covered by APV-I Availability and Continuity (5x10-4
/15s) performance maps is 85.23% and 89.77 %
respectively.
The APV-I performance at airports with EGNOS-based procedures has been good and all airports presented an
availability higher than 99% and a continuity risk lower than 5∙10-4
/15s in most of them.
The APV-I Horizontal and Vertical Safety Indexes were below 0.37 for all the analyzed sites, what represents a good
integrity margin.
NPA Availability (99%) was compliant in the whole service volume (limited by the boundaries defined by MT27).
Open Service
The monitored stations presented an Open Service Availability higher than 99% for this month, with the exception of
two located at Southwest of the Service Area (Madeira and Lisbon), one at South of the Service Area (Djerba) and
four stations located in the northern area (Reykjavik, Jan Mayen, Tromsoe and Kirkenes). Nevertheless, the
horizontal accuracy results for all the stations remained below 2.6 meters (95%) and the vertical accuracy below 3.2
meters (95%), which represents a good level of accuracy.
EDAS Service
In terms of availability, the observed performance for the EDAS services has fulfilled the targets [RD-3].
Regarding the EDAS Services latency, the observed delays (for the real-time services) have been well below the
committed performance.
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1 EGNOS SIS AVAILABILITY
In this document, EGNOS SIS Availability is defined as the percentage of time in the month during which at least one geostationary satellite broadcasts EGNOS messages.
In addition to the SIS availability for PRN120 and PRN126, the following values are also reported:
percentage of time in the month during which at least one geostationary satellite broadcasts EGNOS
messages (PRN120 or PRN126);
percentage of time in the month during which both geostationary satellites broadcast EGNOS messages
(PRN120 and PRN126).
EGNOS SIS monitoring for March 2014, reports the following reception percentage of an SBAS message:
PRN120 Availability: 99.99%
PRN126 Availability: 99.94%
SIS - PRN120 or PRN126: 100%
SIS - PRN120 and PRN126: 99.94%
The following figure presents the availability of the signal in both EGNOS GEO satellites (PRN120 and PRN126).
Red lines correspond to unavailability periods:
Figure 1 – EGNOS SIS & PRN Availability for March 2014.
Figure 2 – Trending of EGNOS SIS Availability per GEO.
Availability (%) 2013-10 2013-11 2013-12 2014-01 2014-02 2014-03
PRN120 99.86 99.85 99.99 99.83 99.97 99.99
PRN126 99.99 99.83 99.99 99.82 100 99.94
At least one EGNOS GEO satellite 100 100 100 100 100 100
Table 1 – EGNOS SIS Availability (%) on EGNOS GEO satellites.
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2 OPEN SERVICE (OS)
2.1 Open Service Horizontal and Vertical Accuracy
Accuracy is a measure of the position error, which is the difference between the estimated navigation position and the
actual position.
EGNOS OS Horizontal (resp. Vertical) Accuracy is reported as the 95th
percentile of the Horizontal (resp. Vertical) Navigation System Error – HNSE (resp. VNSE) over the month, at the monitored sites when applying EGNOS
messages.
The next table provides the values of accuracy (95%) in meters measured for this month. See Appendix A for further
details of the stations where OS Accuracy are reported.
Station HNSE 95%
(meters)
VNSE 95%
(meters)
Aalborg 0.8 1.8
Berlin 0.9 1.5
Catania 1.2 1.6
Cork 1.1 1.7
Warsaw 1.0 1.7
Djerba 1.8 2.0
Egilsstadir 1.4 2.6
Glasgow 1.0 1.8
Lisbon 1.7 2.0
Swanwick 1.4 1.9
Madeira 2.6 2.6
Málaga 1.6 1.6
Kirkenes 1.8 3.2
Palma de Mallorca 1.2 1.6
Reykjavik 1.6 2.7
Roma 1.0 1.4
Lappeenranta 1.0 2.1
S. de Compostela 1.4 1.2
Sofia 1.4 2.3
Gävle 0.9 2.0
Toulouse 1.1 1.2
Trondheim 1.0 2.0
Tromsoe 1.7 3.2
Zürich 1.0 1.3
Jan Mayen 2.0 3.2
Athens 1.2 1.6
Table 2 – EGNOS Open Service accuracy (95%)
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The next figures show the histogram and cumulative distribution function of HNSE (Horizontal Navigation System
Error) and VNSE (Vertical Navigation System Error), which are computed at the previous stations for each second
over the current month, across the range of values.
Figure 3 – EGNOS Open Service HNSE Histogram and Cumulative Probability
Figure 4 – EGNOS Open Service VNSE Histogram and Cumulative Probability
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2.2 EGNOS Open Service Availability
EGNOS OS Availability performance is defined in the present document as the percentage of time when the instantaneous HNSE is lower than 3 meters and the instantaneous VNSE is lower than 4 meters over the total number
of samples with valid PA navigation solution
The following figures present the Open Service Availability measured in the monitoring stations for the reported
month (RIMS sites with OS Availability lower than 99% are shown in red). See Appendix A for further details of the
stations where OS Accuracy are reported.
Figure 5 – EGNOS Open Service Availability at reference stations
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3 SAFETY-OF-LIFE SERVICE (SOL)
3.1 EGNOS Non Precision Approach (NPA)
3.1.1 EGNOS NPA availability
EGNOS NPA Availability is defined as the percentage of samples in which the Horizontal Protection Level is below
Alert Limit for NPA (HPL below 556m) over the total period.
The following figure presents EGNOS NPA Availability over the current month. It must be noted that NPA
Availability considering RAIM is not taken into account in this report.
Figure 6 – EGNOS NPA availability
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3.1.2 EGNOS NPA Continuity
EGNOS NPA Continuity is reported as the result of dividing the total number of single continuity events using a time-sliding window of 1 hour by the number samples with valid and available NPA navigation solution. A single
continuity event occurs if the system is available at the start of the operation and in at least one second inside the
following time-sliding window of 1 hour the system becomes not available.
The following picture presents the EGNOS NPA Continuity Risk measured for the last 6 months (in order to observe
the minimum NPA Continuity performance committed in the SoL SDD (2.5×10-4
/hour), at least 6 months of data
needs to be evaluated due to the discrete nature of discontinuity events). It must be noted that NPA continuity is
computed in this report using only the EGNOS NPA solution and not considering the GPS RAIM solution when the
EGNOS one is not available.
Figure 7 – EGNOS NPA Continuity over the last 6 months
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3.1.3 EGNOS NPA Integrity Events
EGNOS NPA Integrity Event is defined as an event when the Navigation System Error is greater or equal to the
corresponding Protection Level for NPA.
No integrity event was detected.
Safety index is defined as the relation between Navigation System Error and Protection Level (assuming NPA algorithms to compute xNSE and xPL) for each second. Case of ratio xNSE/xPL is over 1, it indicates that a
Misleading Information situation has occurred.
The next histograms show the distribution of HSI (Horizontal Safety Index), which is computed at the different
EGNOS stations for each second over the current month, across the range of values. These histograms take into
account the epochs in which the NPA service is available (Protection Level < NPA Alarm Limit).
Figure 8 – EGNOS NPA Horizontal Safety Index of the month
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3.1.4 EGNOS NPA Accuracy
EGNOS NPA Accuracy is reported as the 95th
percentile of the Horizontal Navigation System Error (HNSE) over
the month, at the monitored sites when the NPA service is available (HPL below 556 m).
This table shows the NPA Accuracy values in meters. See Appendix A for further details of the stations where NPA
accuracy are reported.
Station HNSE 95%
(meters)
% of samples in
NPA mode
Aalborg 0.8 100.00%
Azores 2.9 99.99%
Berlin 0.9 100.00%
Canary Islands 10.1 99.66%
Catania 2.1 100.00%
Cork 1.1 100.00%
Warsaw 1.0 100.00%
Djerba 9.4 100.00%
Egilsstadir 1.4 100.00%
Glasgow 1.0 100.00%
Golbasi 1.6 99.99%
Lisbon 1.8 100.00%
Swanwick 1.4 100.00%
Madeira 4.4 99.86%
Málaga 2.4 100.00%
Kirkenes 1.8 100.00%
Palma de Mallorca 1.4 100.00%
Reykjavik 1.7 100.00%
Roma 1.0 100.00%
Lappeenranta 1.0 100.00%
S. de Compostela 1.4 100.00%
La Palma 10.1 99.59%
Sofia 1.4 100.00%
Gävle 0.9 100.00%
Toulouse 1.1 100.00%
Trondheim 1.0 100.00%
Tromsoe 1.7 100.00%
Zürich 1.0 100.00%
Abu Simbel 10.1 99.99%
Agadir 10.1 99.95%
Athens 1.4 100.00%
Table 3 – EGNOS NPA Horizontal Accuracy (95%) and percentage of time in NPA mode
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The next figures show the histogram and cumulative probability function of HNSE (Horizontal Navigation System
Error), which are computed at RIMS sites for each second over the current month, across the range of values.
Figure 9 – EGNOS NPA HNSE Histogram
Figure 10 – EGNOS NPA HNSE Cumulative Probability
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3.2 EGNOS Approach with Vertical guidance (APV-I)
3.2.1 EGNOS APV-I Availability
EGNOS APV-I Availability is defined as the percentage of epochs in a month in which the Protection Level are
below Alert Limits for this APV-I service (HPL<40m and VPL<50m) over the total period.
The following picture presents the EGNOS APV-I Availability over the current month using GEO-combined maps
for PRN120 and PRN126.
Figure 11 – EGNOS APV-I Availability
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3.2.2 EGNOS APV-I Continuity Risk
EGNOS APV-I Continuity Risk is defined as the result of dividing the total number of single continuity events using a time-sliding window of 15 seconds by the number of samples with valid and available APV-I navigation solution. A
single continuity event occurs if the system is available at the start of the operation and in at least one of the
following 15 seconds the system becomes not available.
The following picture presents the EGNOS APV-I Continuity over the current month using GEO-combined maps for
PRN120 and PRN126.
Figure 12 – EGNOS APV-I Continuity
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3.2.3 EGNOS APV-I Integrity
EGNOS APV-I Integrity Event is defined as an event when the Navigation System Error is greater or equal to the
corresponding Protection Level for APV-I.
No integrity event was detected.
Safety Index is defined as the relation between Navigation System Error versus Protection Level (assuming PA algorithms to compute xNSE and xPL) for each second. In case of ratio xPE/xPL is over 1; it indicates that a
Misleading Information situation has occurred.
The next figures provide the histogram for HSI (Horizontal Safety Index) and VSI (Vertical Safety Index) for each
second when accumulating measurements from the different EGNOS stations over the current month. These
histograms have considered that Protection Level is below APV-I Alarm Limit.
Figure 13 – EGNOS APV-I Horizontal Safety Index of the month
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Figure 14 – EGNOS APV-I Vertical Safety Index of the month
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3.2.4 EGNOS APV-I Accuracy
EGNOS APV-I Accuracy is reported as the 95th
percentile of the Horizontal and Vertical Navigation System Error
over the month, at the monitored sites when the APV-I service is available (HPL<40m and VPL<50m).
The following table shows the monthly APV-I Accuracy values in meters per operational GEO satellite. See
Appendix A for further details of the stations where APV-I Accuracy are reported.
Station HNSE 95%
(meters)
VNSE 95%
(meters)
% of samples with
APV-I service available
Aalborg 0.8 1.8 100.00%
Berlin 0.9 1.5 100.00%
Catania 1.2 1.6 98.52%
Cork 1.1 1.7 100.00%
Warsaw 1.0 1.7 99.99%
Djerba 1.4 1.8 85.88%
Egilsstadir 1.3 2.5 98.39%
Glasgow 1.0 1.8 100.00%
Lisbon 1.7 1.9 98.32%
Swanwick 1.4 1.9 100.00%
Madeira 1.9 1.8 83.72%
Málaga 1.5 1.5 96.92%
Kirkenes 1.7 3.0 96.49%
Palma de Mallorca 1.2 1.5 99.69%
Reykjavik 1.4 2.4 94.93%
Roma 1.0 1.4 99.92%
Lappeenranta 1.0 2.1 99.83%
S. de Compostela 1.4 1.2 99.21%
Sofia 1.4 2.3 99.96%
Gävle 0.9 2.0 99.99%
Toulouse 1.1 1.2 99.94%
Trondheim 1.0 2.0 99.95%
Tromsoe 1.7 3.1 98.86%
Zürich 1.0 1.3 100.00%
Athens 1.2 1.6 99.65%
Table 4 – EGNOS APV-I Accuracy (95%) and percentage of time in APV-I mode at reference stations
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The next figures show the histogram and cumulative distribution function of HNSE (Horizontal Navigation System
Error) and VNSE (Vertical Navigation System Error), which are computed at RIMS sites for each second over the
current month, across the range of values.
Figure 15 – EGNOS APV-I HNSE Histogram and Cumulative Probability
Figure 16 – EGNOS APV-I VNSE Histogram and Cumulative Probability
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4 APV-I PERFORMANCE AT AIRPORTS
During this month, new procedures using EGNOS have been published in:
Norway: Røst -since 6th March-.
France: Agen La Garenne -since 6th March-.
This table reports APV-I Availability and Continuity at airports with published procedures using EGNOS:
Airports Country Status APV-I
Availability
APV-I
Continuity
Risk
Outages1
EDAB / Bautzen Germany Operational 99.96% 1.00E-04 29
EDBH / Barth Germany Operational 99.96% 8.70E-05 28
EDBM / Magdeburg/City Germany Operational 99.97% 8.70E-05 28
EDDB / Berlin/Schönefeld Germany Operational 99.97% 8.18E-05 35
EDDC / Dresden Germany Operational 99.97% 8.14E-05 29
EDDE / Erfurt-Weimar Germany Operational 99.97% 8.14E-05 28
EDDF / Frankfurt Main Germany Operational 99.97% 8.70E-05 28
EDDG / Münster/Osnabrück Germany Operational 99.97% 8.70E-05 28
EDDH / Hamburg Germany Operational 99.97% 8.14E-05 28
EDDK / Köln/Bonn Germany Operational 99.97% 8.74E-05 28
EDDL / Düsseldorf Germany Operational 99.96% 8.70E-05 28
EDDM / München Germany Operational 99.97% 8.96E-05 37
EDDN / Nürnberg Germany Operational 99.97% 1.04E-04 29
EDDP / Leipzig/Halle Germany Operational 99.97% 8.14E-05 30
EDDS / Stuttgart Germany Operational 99.97% 8.14E-05 28
EDDT / Berlin-Tegel Germany Operational 99.97% 1.00E-04 31
EDDV / Hannover Germany Operational 99.97% 8.14E-05 28
EDDW / Bremen Germany Operational 99.97% 8.14E-05 28
EDFQ / Allendorf/Eder Germany Operational 99.97% 8.70E-05 28
EDHI / Hamburg-Finkenwerder Germany Operational 99.97% 8.14E-05 28
EDJA / Memmingen Germany Operational 99.96% 9.82E-05 30
EDLP / Paderborn/Lippstadt Germany Operational 99.97% 9.26E-05 28
EDLW / Dortmund Germany Operational 99.96% 8.70E-05 28
EDMA / Augsburg Germany Operational 99.97% 8.96E-05 37
EDME / Eggenfelden Germany Operational 99.97% 8.70E-05 30
EDMO / Oberpfaffenhofen Germany Operational 99.97% 8.70E-05 46
EDMS / Straubing Germany Operational 99.97% 8.14E-05 29
EDNY / Friedrichshafen Germany Operational 99.96% 8.70E-05 30
1 Outages refer to events when the APV-I service changes its status from Available to Unavailable.
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Airports Country Status APV-I
Availability
APV-I
Continuity
Risk
Outages1
EDPR / Donauwörtht Germany Operational 99.97% 8.14E-05 29
EDQC / Coburg-Brandensteinsebene Germany Operational 99.97% 8.14E-05 30
EDQD / Bayreuth Germany Operational 99.97% 8.14E-05 41
EDQG / Giebelstadt Germany Operational 99.97% 8.14E-05 28
EDTD / Donaueschingen-Villingen Germany Operational 99.97% 8.14E-05 28
EDTM / Mengen-Hohentengen Germany Operational 99.96% 8.70E-05 30
EDTY / Schwäbisch-Hall Germany Operational 99.96% 8.70E-05 30
EDVE / Braunschweig-Wolfsburg Germany Operational 99.97% 8.14E-05 28
EDVK / Kassel-Calden Germany Operational 99.97% 8.70E-05 28
EDWB / Bremerhaven Germany Operational 99.97% 8.74E-05 28
EDWE / Emden Germany Operational 99.95% 9.82E-05 28
EDWI / Wilhelmshaven JadeWeser Germany Operational 99.97% 8.14E-05 28
EFJO / Joensuu Finland Operational 99.51% 3.24E-04 153
EGJA / Alderney Guernsey Operational 99.97% 8.70E-05 28
ENRS / Rost1 Norway Operational 99.69% 2.48E-04 79
LEXJ / Santander Spain Operational 99.63% 3.16E-04 50
LFAC / Calais France Operational 99.97% 8.14E-05 28
LFAQ / Albert Bray France Operational 99.97% 8.14E-05 28
LFAV / Valenciennes Denain France Operational 99.97% 8.14E-05 28
LFAY / Amiens Glisy France Operational 99.97% 8.14E-05 28
LFBA / Agen La Garenne 2 France Operational 99.93% 1.00E-04 37
LFBD / Bourdeaux Mérignac France Operational 99.94% 1.05E-04 44
LFBE / Bergerac France Operational 99.93% 1.09E-04 33
LFBH / La Rochelle France Operational 99.97% 8.70E-05 29
LFBK / Montluçon Gueret France Operational 99.97% 8.14E-05 28
LFBL / Limoges France Operational 99.96% 1.25E-04 57
LFBO / Toulouse Blagnac France Operational 99.91% 9.83E-05 31
LFBP / Pau France Operational 99.90% 9.83E-05 20
LFBZ / Biarritz France Operational 99.92% 1.04E-04 32
LFCK / Castres Mazamet France Operational 99.90% 9.90E-05 33
LFCR / Rodez-Marcillac France Operational 99.92% 1.14E-04 43
LFGA / Colmar Housse France Operational 99.97% 8.14E-05 28
LFGJ / Dole Tavaux France Operational 99.97% 8.14E-05 28
1 Procedure at this airport was published on 06.03.2014.
2 Procedure at this airport was published on 06.03.2014.
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Airports Country Status APV-I
Availability
APV-I
Continuity
Risk
Outages1
LFJL / Metz Nancy Lorraine France Operational 99.97% 8.14E-05 28
LFLC / Clermont Ferrand France Operational 99.96% 8.81E-05 31
LFLL / Lyon St Exupery France Operational 99.96% 9.75E-05 40
LFLP / Annecy Meythet France Operational 99.96% 8.70E-05 29
LFLS / Grenoble Isere France Operational 99.95% 8.70E-05 29
LFLU / Valence France Operational 99.94% 1.08E-04 44
LFLX / Chateauroux Deols France Operational 99.97% 8.14E-05 28
LFMK / Carcassonne Salvaza France Operational 99.90% 1.04E-04 32
LFMU / Beziers Vias France Operational 99.90% 1.04E-04 32
LFNB / Mende France Operational 99.92% 9.83E-05 31
LFOB / Beauvais France Operational 99.97% 8.14E-05 28
LFOZ / Orleans France Operational 99.97% 8.14E-05 28
LFPB / Le Bourget France Operational 99.97% 8.14E-05 28
LFPO / Paris Orly France Operational 99.97% 8.14E-05 28
LFQG / Nevers Fouchambault France Operational 99.97% 8.14E-05 28
LFQT / Merville France Operational 99.97% 8.14E-05 28
LFRB / Brest Bretagne France Operational 99.97% 8.14E-05 28
LFRD / Dinard France Operational 99.97% 8.14E-05 28
LFRI / La Roche Sur Yon France Operational 99.97% 8.14E-05 28
LFRM / Le Mans France Operational 99.97% 8.14E-05 28
LFRN / Rennes France Operational 99.97% 8.14E-05 28
LFRQ / Quimper France Operational 99.97% 8.14E-05 28
LFRS / Nantes France Operational 99.97% 8.14E-05 28
LFRV / Vannes-Meucon France Operational 99.97% 8.14E-05 28
LFSG / Epinal Mirecourt France Operational 99.97% 8.14E-05 28
LFSL / Brive Souillac France Operational 99.92% 9.83E-05 31
LFSN / Nancy Essey France Operational 99.97% 8.14E-05 28
LFTW / Nimes Garons France Operational 99.90% 9.83E-05 31
LIML / Milano/Linate Italy Operational 99.93% 1.15E-04 41
LIPZ / Venezia/Tessera Italy Operational 99.95% 8.70E-05 30
LIRA / Roma/Ciampino Italy Operational 99.88% 1.51E-04 52
LIRF / Roma/Fiumicino Italy Operational 99.90% 1.41E-04 56
LKMT / Ostrava Czech Rep. Operational 99.96% 8.70E-05 29
LKPR / Praha Czech Rep. Operational 99.96% 8.78E-05 30
LKTB / Brno Czech Rep. Operational 99.96% 8.70E-05 29
LOWG / Graz Austria Operational 99.94% 9.27E-05 30
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Airports Country Status APV-I
Availability
APV-I
Continuity
Risk
Outages1
LOWL / Linz Austria Operational 99.96% 9.26E-05 30
LSGC / Les Eplatures Switzerland Operational 99.97% 8.74E-05 30
LSZB / Berne-Belp Switzerland Operational 99.96% 8.70E-05 29
LSZG / Grenchen Switzerland Operational 99.97% 9.45E-05 35
LSZR / St.Gallen-Altenrhein Switzerland Operational 99.96% 8.70E-05 29
Table 5 – Monthly APV-I Availability at airports with published procedures using EGNOS
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5 EGNOS DATA ACCESS SERVICE (EDAS)
EDAS (EGNOS Data Access Service) offers ground-based access to EGNOS data [RD-3]. It is the single point of
access for the data collected and generated by the EGNOS infrastructure composed of ground stations distributed
over Europe and North Africa.
The main data provided by EDAS are:
Raw GPS, GLONASS and EGNOS GEO observations and navigation data collected by the entire network of
Ranging and Integrity Monitoring Stations (RIMS) and Navigation Land Earth Stations (NLES).
EGNOS augmentation messages, as normally received by users via the EGNOS Geostationary satellites.
These data are provided through different EDAS Services in different formats in order to meet different set of
applications and needs. For a description of the EDAS services, please refer to the EDAS SDD [RD-3].
Additional information on the EDAS services is available at the EDAS specific section of the EGNOS User Support
website (http://egnos-user-support.essp-sas.eu/).
Below, the performance of EDAS Services (please refer to the EDAS SDD [RD-3] for a definition of the EDAS
availability and latency) corresponding to March 2014 is presented:
Availability: Percentage of time during which the service provides the data according to the specifications.
Latency: Average of the maximum latencies monitored for every 5 minutes period within the month.
EDAS Service Availability Latency (ms)
Service Level 0 100.00% 667.16
Service Level 1 100.00% 670.39
Service Level 2 100.00% 670.68
Ntrip Service 99.99% 366.42
SISNeT Service
GEO Operational 1 99.45% 226.19
GEO Operational 2 99.38% 219.35
Data Filtering
Service
RIMS A 99.98% 1,097.00
Central 99.97% 996.40
MEDA 99.97% 1,057.13
North-East 99.97% 777.84
North-West 99.97% 1,035.03
South-West 99.97% 1,070.10
FTP Service 99.85% N/A
Table 6 –Performance of EDAS Services
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FOR MORE INFORMATION
To get more information about EGNOS performance, please visit the
EGNOS user Support web site at
http://egnos-user-support.essp-sas.eu/
or
contact the EGNOS helpdesk at
egnos-helpdesk@essp-sas.eu
+34 911 236 555
TO PROVIDE YOUR FEEDBACK
You can provide us with your feedback on the EGNOS SoL use and
service provision by filling the following questionnaire.
A button inside allows returning the questionnaire automatically to
ESSP.
DISCLAIMER
All data and information (hereinafter the “Data”) provided within this document are for informational purposes
only. This document does not provide the ESSP interpretation of the Data.
The European Union, as owner of EGNOS, and ESSP SAS, as EGNOS services provider, disclaim all warranties
of any kind (whether express or implied) to any party and/or for any use of the Data including, but not limited to,
their accuracy, integrity, reliability and fitness for a particular purpose or user requirements.
By using the Data, the user agrees that the European Union and ESSP SAS shall not be held liable for any direct
or indirect or consequential loss or damage (such as loss of profits, business, contracts, anticipated savings,
goodwill or revenue) resulting from the use, misuse or inability to use the Data.
Text and pictures that are part of the Data may be protected by property rights. Any use shall require the prior
written agreement of ESSP SAS.
.
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APPENDIX A RECEIVER MONITORING NETWORK
The receiver network used to report EGNOS performance in this document is based on the EGNOS monitoring
stations (RIMS).
Next map shows the location of this receiver monitoring network, used in this report to present the EGNOS
performance:
Figure 17 – EGNOS RIMS sites used in this report
The stations in green colour are used to report APV-I and Open Service results. Performance corresponding to NPA
includes all the stations in green and red colour. Jan Mayen RIMS site (JME) (blue colour) is used only to report
Open Service results.
Next table shows the name and location of each one:
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Id Location name Country Id Location name Country
ABS RIMS Abu Simbel Egypt LAP RIMS Lappeenranta Finland
ACR RIMS Azores Portugal LPI RIMS La Palma Spain
ALB RIMS Aalborg Denmark LSB RIMS Lisbon Portugal
AGA RIMS Agadir Morocco MAD RIMS Madeira Portugal
ALY RIMS Alexandria Egypt MLG RIMS Málaga Spain
ATH RIMS Athens Greece PDM RIMS Palma de Mallorca Spain
BRN RIMS Berlin Germany RKK RIMS Reykjavik Iceland
CNR RIMS Canary Isl. Spain ROM RIMS Roma Italy
CRK RIMS Cork Ireland SDC RIMS S. de Compostela Spain
CTN RIMS Catania Italy SOF RIMS Sofia Bulgaria
DJA RIMS Djerba Tunisia SWA RIMS Swanwick United Kingdom
EGI RIMS Egilsstadir Iceland TLS RIMS Toulouse France
GLG RIMS Glasgow United Kingdom TRD RIMS Trondheim Norway
GOL RIMS Golbasi Turkey TRO RIMS Tromsoe Norway
GVL RIMS Gävle Sweden WRS RIMS Warsaw Poland
JME RIMS Jan Mayen Norway ZUR RIMS Zürich Switzerland
KIR RIMS Kirkenes Norway
Table 7 - List of sites where performance are reported
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APPENDIX B REFERENCE DOCUMENTS
[RD-1] Open Service Definition Document, EGN-SDD-OS; v.02-00 (available in http://www.essp-
sas.eu/service_definition_documents)
[RD-2] Safety Of Life Definition Document, EGN-SDD-SoL, v.02-00 (available in http://www.essp-
sas.eu/service_definition_documents)
[RD-3] EGNOS Data Access Service (EDAS) Service Definition Document, EGN-SDD EDAS; v.02-00
(available in http://www.essp-sas.eu/service_definition_documents)
[RD-4] Service Notice #10, Status EGNOS performances- North and South West of Service Area, v.01-00
(available in http://www.essp-sas.eu/service_notices )
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APPENDIX C LIST OF ACRONYMS
Acronym Definition APV Approach with Vertical Guidance
ASN Abstract Syntax Notation
ECAC European Civil Aviation Conference
EDAS EGNOS Data Access Service
EGNOS European Geostationary Navigation Overlay Service
ESSP European Satellite Services Provider
FTP File Transfer Protocol
GEO Geostationary Satellite
GNSS Global Navigation Satellite System
GPS Global Positioning System
HAL Horizontal Alarm Limit
HNSE Horizontal Navigation System Error
HPE Horizontal Position Error
HPL Horizontal Protection Level
HSI Horizontal Safety Index
MI Misleading Information
MT27 Message Type 27
NA Not Applicable/ Not Available
NLES Navigation Land Earth Station
NPA Non-Precision Approach
NTRIP Networked Transport of RTCM via Internet Protocol
OP Operation
OPS Operations
OS Open Service
PA Precision Approach
PL Protection Level
PRN Pseudo-Random Number
RAIM Receiver Autonomous Integrity Monitoring
RD Reference Document
RIMS Ranging and Integrity Monitoring Station
RTCM Radio Technical Commission for Maritime Services
SBAS Satellite-Based Augmentation System
SDD Service Definition Document
SIS Signal-In-Space
SL0 Service Level 0
SL1 Service Level 1
SL2 Service Level 2
SoL Safety of Life
VAL Vertical Alarm Limit
VNSE Vertical Navigation System Error
VPE Vertical Position Error
VPL Vertical Protection Level
VSI Vertical Safety Index
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END OF THE DOCUMENT