Exam Primer

Overview
1. Regulations and Policies
  • Authority and Regulations
  • Licence
  • License Penalties
  • Certificate
  • Operation, Repair
  • Content Restrictions
  • Operating Restrictions
  • Interference
  • Emergencies
  • Non-remuneration, Privacy
  • Call Signs
  • Other Countries
  • Frequency Bands
  • Power Allowed
  • unmodulated carriers, retransmission
  • amplitude modulation, frequency stability, me
  • International Telecommunication Union (ITU)
  • Exams
  • Antenna Structures
  • RF Field Strength
  • Resolving Complaints
  • 2. Operating and Procedures
  • VHF/UHF Repeaters - Voice
  • Phonetic Alphabet
  • Voice Operating Procedures
  • tuning, testing and dummy loads
  • Morse Code (CW) procedures
  • RST signal reporting, S meter
  • Q Signals
  • Emergency Operating Procedures
  • Record Keeping, Antenna Orientation and Maps
  • 3. Station Assembly, Practice and Safety
  • Layout of HF Stations
  • Layout of FM Transmitters
  • Layout of FM Receivers
  • Layout of CW Transmitters
  • Layout of SSB/CW receivers
  • Layout of SSB Transmitters
  • Layout of Digital Systems
  • Layout of Regulated Power Supplies
  • Layout of Yagi-Uda Antennas
  • Receiver Fundamentals
  • Transmitter, carrier, keying, AM
  • Carrier Suppression, SSB
  • Frequency and Phase Modulation
  • Station Accessories
  • Digital Modes
  • Batteries
  • Power Supplies
  • Electrical Safety
  • Antenna and Tower Safety
  • RF Exposure Safety
  • 4. Circuit Components
  • Amplifier Fundamentals
  • Diodes
  • Bipolar Transistors
  • Field-effect Transistors
  • Tiode Vacuum Tubes
  • Resister Color Codes
  • 5. Basic Electronics and Theory
  • Metric Prefixes
  • Basic Concepts
  • Circuits
  • Ohm's law
  • Series and Parallel Resistors
  • Power law, Resister Power Disipation
  • AC and frequency
  • Ratios, Logarithms and Decibels
  • Inductance and Capacitance
  • Reactance and Impedance
  • Magnetica and Transformers
  • Resonance and Tuned Circuits
  • Meters and Measurements
  • 6. Feedlines and Antenna Systems
  • Impedance and Feedlines
  • Balanced and Unbalanced feedlines
  • Feedlines and Connectors
  • Line Losses
  • Standing Wave Ratio
  • Impedance Matching
  • Isotropic Sources, Polarization
  • Wavelength vs Physical Length
  • Antenna Radiation Patterns
  • Vertical Antennas
  • Yagi Antennas
  • Wire Antennas
  • Quad/loop Antennas
  • 7. Radio Wave Propagation
  • Propogation Types
  • Ionospheric Regions
  • Hops and Skips
  • Ionosphere Issues
  • Solar Activity
  • MF and HF and Skywaves
  • VHF and UHF, Sporadic-E, Aurira, Ducting
  • Scatter - HF, VHF, UHF
  • 8. Interference and Suppression
  • Front-end overload
  • Audio Rectification, Bypass Capacitors, Ferri
  • Intermodulation, Spurious, Key-clicks
  • Harmonics, Splatter, Transmitter Adjustments
  • Filters
  • 3.1 Layout of HF Stations

    HF Station

    Practice


    B-003-01-01
    A low pass filter in an HF station is most effective when connected:
    as close as possible to the transceiver output
    as close as possible to the antenna tuner output
    as close as possible to the antenna midway between the transceiver and antenna
    missing

    B-003-01-02
    A low pass filter in an HF station is most effective when connected:
    as close as possible to the antenna
    as close as possible to the antenna tuner output
    as close as possible to the linear amplifier input
    as close as possible to the linear amplifier output

    B-003-01-03
    In designing an HF station, which component would you use to reduce the effects of harmonic radiation?
    Dummy load
    Low pass filter
    Antenna switch
    SWR bridge

    B-003-01-04
    Which component in an HF station is the most useful for determining the effectiveness of the antenna system?
    SWR bridge
    Antenna switch
    Linear amplifier
    Dummy load

    B-003-01-05
    Of the components in an HF station, which component would normally be connected closest to the antenna, antenna tuner and dummy load?
    Transceiver
    Low pass filter
    Antenna switch
    SWR bridge

    B-003-01-06
    Of the components in an HF station, which component would be used to match impedances between the transceiver and antenna?
    Antenna tuner
    Antenna switch
    Dummy load
    SWR bridge

    B-003-01-07
    In an HF station, which component is temporarily connected in the tuning process?
    SWR bridge
    Low pass filter
    Antenna tuner
    Dummy load

    B-003-01-08
    In an HF station, the antenna tuner is usually used for matching the transceiver with:
    most antennas when operating below 14 MHz
    most antennas when operating above 14 MHz
    mono-band Yagi type antennas
    tri-band Yagi antennas

    B-003-01-09
    In an HF Station, the antenna tuner is commonly used:
    with most antennas when operating above 14 MHz
    to tune into dummy loads
    to tune low pass filters
    with most antennas when operating below 14 MHz