Exam (elaborations)
HAM RADIO TECHNICIAN LICENSE 2024
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HAM RADIO TECHNICIAN LICENSE 2024
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HAM RADIO TECHNICIAN LICENSE 2024Ham - Answers- Amateur Radio Operator
Elmer - Answers- Mentor
CQ - Answers- Come in any station, "general call"
QTH - Answers- What is your location?
CW - Answers- Morse Code
When should you use Morse Code - Answers- In the presence of interference or when
signals are weak
SSTV - Answers- Slow Scan Television
Descending Order: Metric Prefixes - Answers- Milli (10^-3), Micro (10^-6), Nano (10^-
9), Pico (10^-12)
Ascending Order: Metric Prefixes - Answers- Kilo (10^3), Mega (10^6), Giga (10^9),
Tera (10^12)
Frequency (Definition, Symbol and Unit) - Answers- Number of cycles per second, f,
hertz
Period (Definition, Symbol and Unit) - Answers- Length of cycle in time, T, seconds
UHF Frequency Range - Answers- 300MHz-3GHz
SHF Frequency Range - Answers- 3 GHz-30GHz
EHF Frequency Range - Answers- 30-300 GHz
Audio Frequency - Answers- Less than 20 kHz
Radio Frequency - Answers- Greater than 20 kHz
AM Broadcast Band - Answers- 535 kHZ to 1700 kHz
FM Broadcast Band - Answers- 88-108 MHz
VLF frequency range - Answers- 3 to 30 KHz
LF Frequency Range - Answers- 30-300kHz
, MF frequency range - Answers- 300-3000 kHz
HF frequency range - Answers- 3 MHz - 30 MHz
VHF frequency range - Answers- 30MHz-300MHz
Microwaves - Answers- Frequencies above 1 GHz
Wavelength (Definition, Symbol and Unit) - Answers- Distance Traveled by Wave in 1
Cycle, Lambda, meters)
At what speed do radio waves travel? - Answers- speed of light, C, 300 million meters
per second
Equation: Wavelength = ? - Answers- Lambda = C / f (Speed of Light / Frequency)
What is a transmitter? - Answers- (XMTR) generates a signal that carries speech,
morse code or data
What is a reciever? - Answers- (RCVR) recovers information from a signal
What is a transceiver? - Answers- (XCVR) combines a transmitter and receiver into one
piece of equipment
What is a repeated? - Answers- A receiver and transmitter that retransmit signals on
another frequency or channel. This is called duplex communication.
Current (Definition, Symbol and Unit) - Answers- Flow of electrons, I, Amps
What is used to measure current? - Answers- Ammeter
Voltage (Definition, Symbol and Unit) - Answers- Electric Potential, V, volts
What is used to measure voltage? - Answers- voltmeter
Electrons flow the same direction constantly in _____________ current, and flow
reverses on a cycle in _____________ current. - Answers- direct; alternating
If the same current flows through all components, the circuit is a _________ circuit. -
Answers- Series
If the same voltage flows through all components, the circuit is a ________ circuit. -
Answers- Parallel
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