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and the antenna system
Describe the tools used for testing
equipment
2
1
2
2
2
2
2
2
Block diagram of the complete
path, location of equipment,
remote station, TX/RX separation
Microphone, headphone,
switching panel, redundancy,
interface with technical room….
Functionality, redundancy, basic
operation of routing and
switching, sectorization,
frequency coupling, short
recording and instant replay
possibility, RX/TX function,
flexibility, sector….
Telephone line, optical fibre,
network, analogue interface,
digital interface, multiplexing
techniques, sharing transport with
other data….
Location, frequency used,
parabolic antenna, interface, link
redundancy
Functionality….
TX location, RX, location, antenna
switching and filtering, number of
RX per antenna, number of TX
per antenna, polarisation….
Environment
Power meter , TOS
measurement, spectrum
Analyzer, …….
3. Emergency
System
1)
2)
Describe how continuity and
security of service is achieved
Describe the emergency system
in use
2
2
Redundancy, back up system,
bypass
Block diagram, location of TX and
RX….
4. Perturbations and
How to Cope with
Them
1)
2)
State the problems we can have
with VHF communication and the
problems caused by frequency
congestion
Explain the purpose and principle
of 8.33 channel spacing
1
2
Reflection, earth spherical form,
absorption, refraction, diffraction,
mountains, frequency congestion,
not enough frequencies….
8,33 and 25 Khz, 8,33 bands,
8.33 terminology (channels,
frequencies)
Advance first edition (unedited) version – 30 August 2009
38
Topic Intermediate Objectives
The students should be able to
Level Content
3)
4)
Explain the purpose and principle
of the CLIMAX frequency system
Explain the criteria required to
safely use the same frequency at
different ATM units
2
2
Transmitter frequency, frequency
shift, receiver, filter, operational
use….
Operational range, minimum
distance between two TX on the
same frequency
5. Aircraft
Equipment, On
Board Systems
1)
2)
3)
List the voice communication
systems used on board
Explain the functionality of the
different parts found in a cockpit,
with the help of an example
Describe the antenna systems of
a aircraft, with the help of a picture
1
2
2
VHF/UHF transmission, HF
transmission
Block diagram for an aircraft (for
example B-737, airbus….)
Give examples of VHF/UHF
communication system on board,
(for example, picture of B-737 and
other aircraft….), give example for
an HF system
Give examples of a typical
airborne transceiver
Examples, BOEING, AIRBUS,
P8….
6. Future 1) List the future developments and 1 Frequency congestion, the need
Development techniques in ATM voice for data link, VHF data link
communication
7. ATIS 1) Describe the system in use to 2 Block diagram of your system,
transmit ATIS, VOLMET
messages
location, data link….
8. National Systems, 1) Describe the complete voice 2 Name of systems, path from
Systems in Your communication system used in controller position to antennas
Country your country, with the help of a
drawing
2) Visit sites 1 Visit station
3.3.3 Ground – Ground
1. Requirement 1) State the requirement for secure
ground - ground voice
communications and AFTN
1 Rules, needs, purpose
2) Describe the national and 2 Map of the different location,
international need for telephone national network, international
and AFTN connections connection
2. Equipment 1) Describe the function and the 2 Block diagram, purpose of
basic operation of the ground -
ground communications system
operational, function
2) Describe the routing and switching 2 Functionality, telephone
equipment switching, interphone switching,
hotline switching
3) Describe the HMI of current
system in use
2 See function of HMI, visit
Advance first edition (unedited) version – 30 August 2009
39
Topic Intermediate Objectives
The students should be able to
Level Content
3. Interface 1)
2)
Describe how ground – ground
　
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