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 meant by the terms dBi and dBd when referring to antenna gain?
What is QRP operation?
What is the standard sideband used to generate a JT65, JT9, or FT8 digital signal when using AFSK in any amateur band?
What is the purpose of an electronic keyer?
What are the stable operating points for a bipolar transistor used as a switch in a logic circuit?
What is the frequency deviation for a 12.21 MHz reactance modulated oscillator in a 5 kHz deviation, 146.52 MHz FM phone transmitter?
What might cause reflected power at the point where a feed line connects to an antenna?
What is a practical way to avoid harmful interference on an apparently clear frequency before calling CQ on CW or phone?
What is an instance in which the use of an instrument with analog readout may be preferred over an instrument with digital readout?
What is the primary use of a Beverage antenna?
How is the efficiency of an RF power amplifier determined?
Which ionospheric layer is closest to the surface of Earth?
Which of the following describes full break-in telegraphy (QSK)?
What percentage of power loss would result from a transmission line loss of 1 dB?
Why do most amateur stations use lower sideband on the 160-meter, 75-meter, and 40-meter bands?
What measurement is specified by FCC rules that regulate maximum power output?
What type of modulation varies the instantaneous power level of the RF signal?
What useful feature does a power supply bleeder resistor provide?
What are the restrictions on the use of abbreviations or procedural signals in the Amateur Service?
Which of the following is a characteristic of a liquid crystal display?
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?
Which of the following components increases the total resistance of a resistor?
What must you do when powering your house from an emergency generator?
Which digital mode is used as a low-power beacon for assessing HF propagation?
What does LUF stand for?
What is the purpose of a corona ball on an HF mobile antenna?
What is the radiation pattern of a dipole antenna in free space in a plane containing the conductor?
What is the significance of the sunspot number with regard to HF propagation?
Which of the following frequencies is within the General class portion of the 75-meter phone band?
What precaution should be taken when installing a ground-mounted antenna?
Which of the following describes how a speech processor affects a transmitted single sideband phone signal?
What is impedance?
What term specifies a filter's maximum ability to reject signals outside its passband?
Which of the following is a requirement for administering a Technician class license examination?
Which of the following is an advantage of a receiver DSP IF filter as compared to an analog filter?