Current Ham Radio Test Pools
Select the most correct answer for each question, then submit your practice test to check your score. This practice test randomly pulls one question from each topic in the General pool.
What is the reason for neutralizing the final amplifier stage of a transmitter?
How is a directional antenna pointed when making a "long-path" contact with another station?
What kind of device is an integrated circuit operational amplifier?
What is the interaction between high standing wave ratio (SWR) and transmission line loss?
What is meant by the term "software-defined radio" (SDR)?
What is a use for an antenna analyzer other than measuring the SWR of an antenna system?
Under what circumstances are messages that are sent via digital modes exempt from Part 97 third-party rules that apply to other modes of communication?
What are the restrictions on the use of abbreviations or procedural signals in the Amateur Service?
In what segment of the 20-meter band are most PSK31 operations commonly found?
Which HF antenna would be the best to use for minimizing interference?
What does "time averaging" mean in reference to RF radiation exposure?
What effect can be caused by a resonant ground connection?
Which of the following is a common way to adjust the feed-point impedance of a quarter wave ground-plane vertical antenna to be approximately 50 ohms?
What is the RMS voltage of a sine wave with a value of 17 volts peak?
Which of the following amateur bands is restricted to communication only on specific channels, rather than frequency ranges?
In the PACTOR protocol, what is meant by a NAK response to a transmitted packet?
Which ionospheric layer is closest to the surface of Earth?
What is the significance of the sunspot number with regard to HF propagation?
How long is a Certificate of Successful Completion of Examination (CSCE) valid for exam element credit?
Which of these choices should be observed when climbing a tower using a safety belt or harness?
Generally, who should respond to a station in the contiguous 48 states who calls "CQ DX"?
Which of the following applies when selecting a frequency for lowest attenuation when transmitting on HF?
What type of device is often used to match transmitter output impedance to an impedance not equal to 50 ohms?
Which of the following describes a log periodic antenna?
What is the RMS voltage across a 500-turn secondary winding in a transformer if the 2250-turn primary is connected to 120 VAC?
Which of the following describes one method of impedance matching between two AC circuits?
What type of modulation is used by the FT8 digital mode?
What does the Q signal "QRN" mean?
Why is the polarity of applied voltages important for polarized capacitors?
How close to the lower edge of the phone segment should your displayed carrier frequency be when using 3 kHz wide LSB?
What is the maximum transmitting power an amateur station may use on 10.140 MHz?
What is the stage in a VHF FM transmitter that generates a harmonic of a lower frequency signal to reach the desired operating frequency?
What is the approximate open-circuit voltage from a fully illuminated silicon photovoltaic cell?
What is the voluntary band plan restriction for U.S. stations transmitting within the 48 contiguous states in the 50.1 to 50.125 MHz band segment?
Which symbol in Figure G7-1 represents a tapped inductor?