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requirements and demonstrate the
possible use of GBAS for
approach and landing
2
3
Accuracy, integrity within a local
coverage
Integrity, accuracy; appropriate
designators
2. Reference GNSS
Ground Station
1) Describe the principles of local
differential augmentation
2) Describe the architecture of a
reference station
3) Consider institutional issues and
service provider responsibilities
2
2
2
Space and time errors correlation
Reference ground station
(redundancy level of receivers
and antennas, monitoring
systems, data link, service
volume, frequencies)
Liability, integrity, monitoring and
test
3. GRAS 1) Demonstrate general awareness
of the GRAS proposal and of its
application to area navigation
0
6.10 Satellite-Based Navigation Systems - SBAS
1. Generalities 1) Describe the architecture of the
SBAS systems
2 Definitions, explain, ICAO
implementation plan
Advance first edition (unedited) version – 30 August 2009
78
Topic Intermediate Objectives
The students should be able to:
Level Content
2) Explain message structure of 2 Messages defined in the MOPS
SBAS systems and MASPS
3) Explain expected performance of 2 Performance defined in the
the SBAS SARPS
4) Explain intended usage of the 2 Phases of flight in which SBAS
SBAS can be used, and types of
operations
5) List strengths and weaknesses of 1 Large area, limited infrastructure
the SBAS but dependency on GPS and
coverage at high latitudes
2. EGNOS 1) State EGNOS history 1 Timeline from inception to now
2) Draw and explain a diagram
illustrating the EGNOS
architecture
1/2 Segments of EGNOS
3) Explain EGNOS current status 2 Validation through ESTB
4) Explain EGNOS operation 2 EGNOS operational concept
concept document
5) Explain EGNOS institutional 2 EOIG, tripartite, agreement
issues (ETG), relation to GALILEO
3. WAAS 1) Demonstrate general awareness
of the existence of WAAS
0
2) List WAAS architecture 1
3) Explain WAAS current status 2 WAAS operational
4) Explain WAAS issues 2 Future
4. MSAS 1) Demonstrate general awareness
of the existence of MSAS
0
2) List MSAS architecture 1
3) Explain MSAS current status 2 MSAS operational
4) Explain MSAS issues 2 Future
5. Interoperability 1) Explain the interoperability needs
of the 3 SBAS
2
2) Describe the GNSS receivers 2
3) Describe the signal in space (SIS)
for the 3 SBAS
6.11 Satellite-Based Navigation Systems - ABAS
1. Generalities 1) State that the improvement of
integrity is the main purpose of
ABAS
1 Definitions
2. Principles 1) Describe and explain the
principles of ABAS
2 RAIM, AAIM
Advance first edition (unedited) version – 30 August 2009
79
Topic Intermediate Objectives
The students should be able to:
Level Content
3. Impact 1) Demonstrate how the principles of
ABAS impact on the navigation
performance criteria
2 Integrity, continuity and
availability, Baro VNAV
6.12 Satellite-Based Navigation Systems - Modernized GPS
1. Improvement of
GPS
1) List the improvements of GPS
between now and 2015
2) Describe the signal structure of L2
and L5
3) Describe the impact of L2 and L5
on the receiver
4) List the modernization schedule
5) List the future accuracy of the
GPS system
6) List the limitations of the future
GPS system (no integrity, single
nation, military control)
1
2
2
1
1
1
L2 and L5
6.13 Satellite-Based Navigation Systems - GALILEO
1. GALILEO 1) Describe the European satellite
navigation policy
2) List the sequence of events that
lead to the development of
GALILEO
3) List the GALILEO schedule
4) Describe the GALILEO costs and
benefits analysis (CBA)
5) Define the current GALILEO
architecture
6) Discuss the distribution of integrity
information through GALILEO
7) Define the GALILEO services
8) Define the performance criteria of
GALILEO
9) Discuss the aviation views of
GALILEO
10) Discuss the US views of GALILEO
11) Discuss the interoperability of
GALILEO and GPS
12) Discuss the integration of EGNOS
in GALILEO
2
1
1
2
1
5
1
1
5
2
2
2
EU documents
EU decisions
The plan
Costs, jobs, market, revenues
Galileo documents, ground
　
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