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paths, less prone to interference,
comparison with conventional ILS
4) Explain the disadvantages of MLS 2 Low equipage, complexity, cost
5) Describe the current situation 2 Multi mode receivers, ground and
a/c equipment
2. Ground Station 1) Draw and describe all 1/2 Locations of the sub-systems
Architecture components of MLS
2) Draw and explain the block 1/2 Electronic cabinet, antennas,
diagram of azimuth, elevation and power supply, remote controls
back azimuth station and monitoring
3. Transmitter Sub 1) Design main signal parameters for 4 Carrier frequency, output power,
System azimuth, elevation and back
azimuth station
signals generated, timing
2) Draw and describe the block 1/2 Synthesizer, modulator, power
diagram of the transmitter amplifier, control coupler, RFchange
over, BITE
Advance first edition (unedited) version – 30 August 2009
76
Topic Intermediate Objectives
The students should be able to:
Level Content
4. Antenna Sub 1) Describe and explain antenna 2 Types, position, dimensions,
System parameters polarisation, pattern, coverage,
distribution circuits, radiated
power, scan speed
5. Monitoring Sub 1) Describe and explain the 2 RF-level, beam width, scan speed
System parameters for the monitoring
according to ICAO Annex 10
2) Describe and explain the
additional monitoring parameters
2 External and internal monitoring
3) Draw and explain the block
diagram
1/2 Monitor signal processor
6. Implementation 1) Verify the impact of the 3 Approach and airport
requirements on the location and
the type of the ground station
requirements and procedures
2) Check the conformity of the
system to ITU
3 ITU regulation, ICAO Annex 10
3) Check the conformity to national
regulations
3 National regulations
7. On board 1) Describe the on board equipment 2 Antennas, receiver, cross pointer,
Equipment FMS, MMR
2) Describe how the MLS information 2 Approach procedures, ILS-like
is used on board display
8. Compliance with 1) Define the global performances 2 Coverage, accuracy, availability of
Standards for MLS the system, integrity, continuity,
category and level
2) Perform the typical measurements 3 Output power, spectrum analysis,
data link modulation, ID code
3) Calibrate 5 Flight inspection
4) Troubleshoot 5 Lack of power, carrier frequency
deviation, harmonic ratio
6.8 Satellite-Based Navigation Systems - GNSS1
1. General View 1) Explain civil aviation requirements
for navigation
2 GNSS panel
2) Define all the components of the
GNSS 1
1 GPS, GLONASS, augmentation
3) Draw a diagram illustrating the
architecture of GNSS 1 and the
interdependencies
1
4) Explain how GNSS1 fulfils the
civil aviation requirements
2
2. GPS 1) Describe the architecture of the 2 Space segment, control segment,
system user segment, current situation of
the constellation
2) Recognize the institutional issues 1 Ownership, control, users,
related to GPS security
Advance first edition (unedited) version – 30 August 2009
77
Topic Intermediate Objectives
The students should be able to:
Level Content
3) Describe and calculate the main
performance criteria for the GPS
system
4) Monitors how GPS performance
criteria compares to civil aviation
requirements and demonstrate the
limited use of GPS
5) Given an aircraft route, estimate
using a software package or/and
GPS receiver, the availability of
the constellation
2/3
3
3
Link budget, receiver
performance, coverage, integrity,
availability, time to fix, Selective
Availability (SA)
Ref: software, GPS, receiver
3. GLONASS 1) Describe the architecture of the
system
2) Recognize the institutional issues
related to GLONASS
3) Describe and compute the main
performance criteria of the
GLONASS system
4) Compare GLONASS performance
criteria to civil aviation
requirements and demonstrate the
limited use of GLONASS
2
1
2/3
3
Space segment, control segment,
user segment, current situation of
the constellation
Ownership, investment, security,
continuity
Link budget, receiver
performance, coverage, integrity,
availability, time to fix
Number of satellites, coverage,
investment, continuity
6.9 Satellite-Based Navigation Systems - GBAS
1. General 1) Describe the improvements using
GBAS concept
2) Monitor how GBAS performance
criteria compares to civil aviation
　
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