Google Links

Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

1. Prepare for work on terrestrial antenna
   • Prepare for installation, applying all relevant legislation, codes, regulations and standards, and identify any safety issues
   • Organise resources to be available on site
   • Contact client to arrange access to site and notify about possible outage
   • 1.4 Organise tools and equipment, and ensure they are in safe working order and adjusted to manufacturer's specifications
2. Assemble and mount antenna and coaxial cable
   • Assemble antenna on site according to plans, specifications and enterprise guidelines using safe industry practice
   • Connect coaxial cable to antenna and install lightning protection devices
   • Mount antenna to structure, and set polarisation and initial antenna azimuth and elevation
3. Test and align antenna system
   • Connect installed antenna system to appropriate test equipment and pan antenna to optimise signal across all specified channel frequencies
   • 3.2 Conduct performance tests according to manufacturer's specifications and enterprise guidelines
   • 3.3 Interpret test results, compare with manufacturer's design specifications and make adjustments
4. Complete administrative duties
   • Record test results and complete appropriate records
   • Secure and clean up site to original condition in environmentally safe manner
   • Notify client of work completion and obtain sign off

Performance Evidence

Evidence of the ability to:

organise the site and obtain relevant resources in preparation for installation

assemble, install, align and test a terrestrial antenna according to plans and specifications, and site specific safety requirements

conduct performance tests according to manufacturer's specifications and enterprise guidelines.

Note: If a specific volume or frequency is not stated, then evidence must be provided at least once.

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Knowledge Evidence

To complete the unit requirements safely and effectively, the individual must:

outline the following features of an antenna:

directivity

front to back ratio

optimum placement

pattern

polarisation

discuss bit error ratio (BER)

summarise coaxial cable types and properties

discuss electromagnetic waves including:

absorption by trees and buildings

awareness of exposure to electromagnetic radiation (EMR)

reflection

outline legislation, codes of practice and other formal agreements that directly impact on antenna installation

explain modulation including:

bandwidth

individual spectrum shape of analog and digital television signals and digital audio broadcasting plus (DAB+) digital radio signals

discuss modulation error ratio (MER)

outline radio frequency (RF) spectrum including:

Australian DAB+ digital radio channel frequencies

Australian television ultra high frequency (UHF) and very high frequency (VHF) channel plan (digital and analog)

terminology related to bands used for broadcasting (Bands I , II, III, IV and V)

explain signal level expressed in dBuV units

discuss specific work health and safety (WHS) requirements that impact on the installation of terrestrial antenna equipment

summarise television antenna product knowledge.

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