# 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, Division 1: Main characteristics of EGNOS v3 which are maintained or improved from, or added to EGNOS v2

Extent: E+W+S+N.I.

User access for open service and safety of life services limited to visibility area of the geostationary satellites.
Absence of limitation to allow the design of EGNOS v3 to include additional stations in order to extend, in a continuous manner, the EGNOS service area in accordance with Article 2(5) of Regulation (EU) No 1285/2013.
EGNOS v2
EGNOS v3
Receivers modes
Mono-frequency mono-constellation: GPS L1
Mono-frequency mono-constellation: GPS L1
Dual-frequency mono-constellation: GPS L1/L5 or Galileo E1/E5a
Dual-frequency dual-constellation: GPS L1/L5 + Galileo E1/E5a
Specific services for Aviation
En-route/non-precision approach
Approach with vertical guidance APV-I
LPV-200 approach
En-route/non-precision approach
Approach with vertical guidance APV-I
LPV-200 approach
CAT-I precision approach
Specific services for Maritime
n.a.
Oceanic areas
Navigation in harbour entrance, harbour approaches and coastal waters
Capability of the system to be replicated
yes
yes
Compatibility of service performance at user level vs. previous version
n.a.
yes
Limitation of services
Safety of Life area limited to [40W, 40E], [20N, 70N]
Maximum number of stations limited to 60
None

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Source: https://www.legislation.gov.uk/eudn/2015/1183/annex/division/1 (the official version)
Page: https://openlegislation.uk/eu-decision-2015-1183/annex/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.