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Radio Communications Technician Course

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Radio Communications Technician Course

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Radio Communications Technician Course

Name: Radio Communications Technician Course
Price: 60 USD

Master the technical skills that keep radio systems running in the field and in the shop. This course takes you from electromagnetic fundamentals all the way through installation, testing, fault diagnosis, and preventive maintenance. Whether you're entering the field or advancing your career, you'll graduate with the hands-on knowledge employers demand.

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What you will learn:

You'll build a solid foundation in electromagnetic wave theory, RF propagation, and decibel-based power calculations before moving into transmitter and receiver architecture. The course covers analogue and digital modulation schemes, antenna design, transmission line theory, and impedance matching. You'll learn to operate spectrum analysers, SWR meters, and signal generators to verify system performance. Practical chapters walk you through field installation, coaxial cable termination, and site survey planning. Troubleshooting methodology and preventive maintenance programmes round out your training, and supplementary modules cover regulatory compliance, communications security, and IP network integration.

How you study in practice Radio Communications Technician Course

How you practise Radio Communications Technician Course

For companies looking to train their teams

With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.

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Course content

8 Chapters • 40 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Foundations of Radio Communications

Lesson 1 • Radio Frequency Bands and Uses
Introduces the standard RF band designations and their typical applications. Connects band characteristics to equipment selection and operational planning.
Lesson 2 • Signal Propagation Principles
Explains ground wave, sky wave, and line-of-sight propagation modes. Students predict coverage and link reliability based on propagation mode selection.
Lesson 3 • Electromagnetic Wave Fundamentals
Covers wave properties including frequency, wavelength, amplitude, and phase. Establishes the physical basis for all subsequent radio theory in the course.
Lesson 4 • Noise, Interference, and Signal Quality
Defines thermal noise, signal-to-noise ratio, and common interference sources. Prepares students to diagnose degraded links and apply mitigation strategies.
Lesson 5 • Decibels and Power Measurements
Teaches logarithmic power ratios used throughout RF engineering. Provides the mathematical tools needed for link budget and antenna gain calculations.

Chapter 2See details

Radio Equipment Architecture and Components

Lesson 1 • Transmitter Subsystems
Covers oscillator, modulator, amplifier, and filter stages in a transmitter chain. Students trace signal generation from baseband audio to RF output.
Lesson 2 • Frequency Synthesis and Control
Introduces phase-locked loop synthesizers and direct digital synthesis. Students relate synthesiser design to frequency accuracy and switching speed.
Lesson 3 • Receiver Subsystems
Explains superheterodyne architecture including RF front end, mixer, IF stages, and detector. Students identify each stage's role in signal recovery.
Lesson 4 • Power Supply and Thermal Management
Covers regulated DC supplies, battery systems, and heat dissipation in radio equipment. Students assess power requirements and cooling adequacy for field deployments.
Lesson 5 • Transceiver Integration and Duplexing
Addresses how transmit and receive paths share components and antennas. Students explain duplexer, T/R switch, and frequency offset techniques.

Chapter 3See details

Modulation and Waveform Techniques

Lesson 1 • Analog Amplitude Modulation
Covers AM, DSB, SSB, and vestigial sideband modulation principles. Students calculate bandwidth, power efficiency, and sideband structure for each variant.
Lesson 2 • Spread Spectrum Techniques
Covers direct sequence and frequency hopping spread spectrum operation and benefits. Students explain processing gain, jamming resistance, and covert operation advantages.
Lesson 3 • OFDM and Modern Waveforms
Explains orthogonal frequency division multiplexing subcarrier structure and cyclic prefix. Students relate OFDM to multipath resilience and modern broadband radio systems.
Lesson 4 • Digital Modulation Fundamentals
Introduces ASK, FSK, PSK, and QAM constellations and their spectral properties. Students map modulation order to bit rate, bandwidth, and required SNR.
Lesson 5 • Analog Frequency and Phase Modulation
Explains FM and PM deviation, modulation index, and Carson's rule bandwidth. Students compare FM and AM noise performance in practical scenarios.

Chapter 4See details

Antenna Systems and Transmission Lines

Lesson 1 • Transmission Line Theory
Covers characteristic impedance, standing wave ratio, and reflection coefficient for coaxial and parallel lines. Students diagnose mismatch and calculate line losses.
Lesson 2 • Antenna Radiation Fundamentals
Covers radiation resistance, efficiency, directivity, and gain for basic antenna types. Students calculate effective radiated power and interpret radiation patterns.
Lesson 3 • Dipole and Monopole Antennas
Examines half-wave dipole and quarter-wave monopole design, feed impedance, and ground plane effects. Students size antennas for target frequencies.
Lesson 4 • Impedance Matching Techniques
Explains L-network, stub matching, and balun use for antenna feed optimisation. Students apply matching techniques to minimise SWR and maximise power transfer.
Lesson 5 • Directional and Array Antennas
Introduces Yagi-Uda, log-periodic, and phased array designs for high-gain applications. Students select directional antennas based on gain, beamwidth, and deployment constraints.

Chapter 5See details

Radio Installation and Field Deployment

Lesson 1 • Radio Equipment Configuration
Explains frequency programming, power level setting, and squelch adjustment for operational readiness. Students configure a radio set to a given communications plan.
Lesson 2 • Site Survey and Link Planning
Covers terrain analysis, Fresnel zone clearance, and path loss estimation for site selection. Students produce a link budget and site plan for a given scenario.
Lesson 3 • Grounding, Bonding, and EMC Compliance
Covers equipment grounding, bonding straps, and electromagnetic compatibility requirements for installations. Students verify grounding integrity and identify EMC violation risks.
Lesson 4 • Coaxial Cable Routing and Termination
Covers cable selection, weatherproofing, connector installation, and bend radius limits. Students terminate and test coaxial runs to verify low insertion loss.
Lesson 5 • Antenna Mast and Tower Installation
Addresses mast erection, guy wire tensioning, and antenna mounting procedures. Students follow safe rigging practices and verify structural stability before operation.

Chapter 6See details

Test Equipment and Measurement Techniques

Lesson 1 • Spectrum Analyzer Operation
Explains span, resolution bandwidth, reference level, and marker functions on a spectrum analyser. Students identify spurious emissions and measure occupied bandwidth.
Lesson 2 • SWR and Antenna Analyzer Techniques
Introduces antenna analysers and vector network analysers for impedance and SWR measurement. Students tune antennas and transmission lines to target impedance.
Lesson 3 • Power Meter and Wattmeter Use
Covers directional wattmeter, inline power sensor, and peak power measurement techniques. Students measure forward and reflected power to calculate SWR.
Lesson 4 • Multimeter and Oscilloscope Use
Covers DC and AC measurements, waveform capture, and trigger setup on bench instruments. Students measure voltage, current, and signal timing in radio circuits.
Lesson 5 • Signal Generator and BER Testing
Covers signal generator output level, modulation injection, and bit error rate test setup. Students verify receiver sensitivity and demodulation performance to specification.

Chapter 7See details

Fault Diagnosis and Corrective Maintenance

Lesson 1 • Troubleshooting Methodology
Introduces symptom analysis, fault isolation by half-split, and hypothesis testing. Students apply a structured process to reduce diagnostic time and avoid misdiagnosis.
Lesson 2 • Receiver Fault Diagnosis
Addresses desensitisation, poor selectivity, audio distortion, and squelch malfunction in receivers. Students use signal injection to locate the defective stage.
Lesson 3 • Antenna and Feedline Fault Diagnosis
Covers open circuit, short circuit, water ingress, and connector corrosion faults in antenna systems. Students use TDR and SWR measurements to locate feedline faults.
Lesson 4 • Transmitter Fault Diagnosis
Covers no-output, low-power, spurious emission, and frequency error faults in transmitters. Students trace signal flow to isolate the defective stage.
Lesson 5 • Repair Procedures and Parts Management
Explains component replacement, soldering standards, and spare parts inventory management. Students complete a repair to workmanship standards and update maintenance records.

Chapter 8See details

Preventive Maintenance and System Reliability

Lesson 1 • Scheduled Inspection Procedures
Details visual inspection, connector cleaning, torque verification, and firmware update checks. Students execute a complete inspection checklist on a radio system.
Lesson 2 • Alignment and Calibration Procedures
Covers transmitter power, frequency, and modulation alignment using test equipment. Students restore equipment to factory specification through systematic calibration steps.
Lesson 3 • Preventive Maintenance Concepts
Covers reliability theory, mean time between failures, and the cost-benefit basis for scheduled maintenance. Students justify maintenance intervals using reliability data.
Lesson 4 • Maintenance Documentation and Reporting
Explains work order systems, equipment history logs, and reliability trend reporting. Students complete maintenance documentation that supports operational readiness decisions.
Lesson 5 • Environmental Protection Measures
Addresses corrosion prevention, moisture sealing, UV protection, and vibration isolation for field equipment. Students apply protective treatments appropriate to the deployment environment.

Certification

Your valid completion certificate

This course is for you:

Military radio operators ready to move into a technician role.
Amateur radio enthusiasts wanting to deepen their RF engineering knowledge.
IT technicians expanding their skill set into wireless and RF systems.
Recent electronics graduates seeking a specialised communications career path.
Emergency services personnel responsible for maintaining critical radio infrastructure.
Career changers from electrical trades pursuing telecommunications technician positions.

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