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
5.8 Ratios, Logarithms and Decibels
Practice
B-005-08-01
A two-times increase in power results in a change of how many dB?
6 dB higher
3 dB higher
12 dB higher
1 dB higher
B-005-08-02
How can you decrease your transmitter's power by 3 dB?
Divide the original power by 1.5
Divide the original power by 3
Divide the original power by 4
Divide the original power by 2
B-005-08-03
How can you increase your transmitter's power by 6 dB?
Multiply the original power by 3
Multiply the original power by 2
Multiply the original power by 4
Multiply the original power by 1.5
B-005-08-04
If a signal-strength report is "10 dB over S9", what should the report be if the transmitter power is reduced from 1500 watts to 150 watts?
S9 plus 3 dB
S9 minus 10 dB
S9 plus 5 dB
S9
B-005-08-05
If a signal-strength report is "20 dB over S9", what should the report be if the transmitter power is reduced from 1500 watts to 150 watts?
S9 plus 10 dB
S9 plus 5 dB
S9 plus 3 dB
S9
B-005-08-06
The unit "decibel" is used to indicate:
an oscilloscope wave form
a mathematical ratio
certain radio waves
a single side band signal
B-005-08-07
The power output from a transmitter increases from 1 watt to 2 watts. This is a db increase of:
30
6
3
1
B-005-08-08
The power of a transmitter is increased from 5 watts to 50 watts by a linear amplifier. The power gain, expressed in dB, is:
30 dB
10 dB
40 dB
20 dB
B-005-08-09
You add a 9 dB gain amplifier to your 2 watt handheld. What is the power output of the combination?
11 watts
16 watts
20 watts
18 watts
B-005-08-10
The power of a transmitter is increased from 2 watts to 8 watts. This is a power gain of _______ dB.
6 dB
3 dB
8 dB
9 dB
B-005-08-11
A local amateur reports your 100W 2M simplex VHF transmission as 30 dB over S9. To reduce your signal to S9, you would reduce your power to _______ watts.
1 W
10 W
33.3 W
100 mW