COMMISSION IMPLEMENTING DECISION (EU) 2015/1183
of 17 July 2015
setting out the necessary technical and operational specifications for implementing version 3 of the EGNOS system
Article 1
Article 2
ANNEX
TECHNICAL AND OPERATIONAL SPECIFICATIONS
1.
Main characteristics of EGNOS v3 which are maintained or improved from, or added to EGNOS v2
|
EGNOS v2 |
EGNOS v3 |
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Receivers modes |
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Specific services for Aviation |
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|
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Specific services for Maritime |
n.a. |
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Capability of the system to be replicated |
yes |
yes |
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Compatibility of service performance at user level vs. previous version |
n.a. |
yes |
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Limitation of services(1) |
|
None(2) |
2.
Open service technical and operational specifications
|
Open service |
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Lateral accuracy (95 %) |
3 m |
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Vertical accuracy (95 %) |
4 m |
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OS availability |
0,99 |
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Service Area |
EU-MS + Norway and Switzerland |
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Guarantee of service |
No |
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Accessibility |
|
|
Timing service |
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EGNOS Network time to UTC system time accuracy |
20 ns 3sigma |
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EGNOS Network time to GPS system time accuracy |
Maximum 50 ns |
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Availability of timing service |
99 % |
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Guarantee of service |
no |
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Accessibility |
|
3.
EGNOS Data Access service (EDAS) technical and operational specifications
|
EDAS |
|
Service specifications |
Products provided directly by the system |
RIMS raw data |
EGNOS broadcast message data |
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EGNOS health status data |
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Latency(3) |
2 sec |
|
Availability |
0,999 |
|
Accessibility |
Products provided to end users through specific service providers connected to the EGNOS server |
|
Server specifications |
Secured architecture for worldwide access Sufficient bandwidth connectivity |
4.
Safety-of-Life service technical and operational specifications
4.1. Aviation service(4)
|
En-route — Non-Precision Approach |
Approach with Vertical Guidance APV-I (legacy service) |
LPV 200 Approach |
Cat I Precision Approach |
Standards |
Annexe V, point 3(a) of Implementing Regulation (EU) No 1035/2011, as applicable |
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Lateral accuracy |
220 m |
16 m |
16 m |
16 m |
Vertical accuracy |
Not applicable |
20 m |
4 m |
4 m |
VNSE — fault-free conditions |
N/A |
N/A |
10 m with probability of 10–7/150 s |
N/A |
VNSE — system failure conditions |
N/A |
N/A |
15 m with probability of 10–5/150 s |
N/A |
Integrity risk |
1,10–7/hour |
2,10–7/150 s |
2,10–7/150 s |
2,10–7/150 s |
Time To Alarm |
10 s |
10 s |
6 s |
6 s |
HAL |
556 m |
40 m |
40 m |
40 m |
VAL |
Not applicable |
50 m |
35 m |
10 m |
Continuity risk |
1,10–5/hour |
8,10–6/15 s |
8,10–6/15 s |
8,10–6/15 s |
SoL Service(5) availability |
0,999 |
0,99 |
0,99 to 0,999 |
0,99 |
Service area |
Flight information regions (FIRs) of EU-MS + Norway and Switzerland |
Landmasses(6) of EU-MS + Norway and Switzerland |
Landmasses of EU-MS + Norway and Switzerland |
Landmasses of EU-MS + Norway and Switzerland |
Target service area extension |
Article 2(5) of Regulation (EU) No 1285/2013 |
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Performance of reversion modes |
EGNOS V3 shall deliver LPV 200(7) service level over its Service Area with 99 % availability when reverting to the use of the Galileo constellation only. EGNOS V3 shall deliver LPV 200 service level in the land masses of the Service Area with 99 % availability upon complete loss of L5/E5a frequency at user level. |
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Guarantee of service |
Yes |
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Accessibility |
Through SBAS-compatible receivers |
4.2. Maritime service(8)
|
Navigation in harbour entrances, Harbour approaches and coastal waters |
Standards |
IMO Resolution A.915(22) and A.1046(27) |
Lateral accuracy |
10 m |
Vertical accuracy |
Not applicable |
Integrity risk |
1,10–5/3 hours |
Time To Alarm |
10 s |
HAL |
25 m |
VAL |
Not applicable |
Continuity risk |
3,10–4/15 minutes |
SoL Service availability |
0,998 |
Service Area |
National Waters(9) of EU-MS + Norway and Switzerland |
Guarantee of service |
Yes |
Accessibility |
Through SBAS-compatible receivers |