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.
How does increasing boom length and adding directors affect a Yagi antenna?
What types of messages for a third party in another country may be transmitted by an amateur station?
On which of the following bands is phone operation prohibited?
Which of the following is a reason not to use wire-wound resistors in an RF circuit?
What does the Q signal "QSL" mean?
Which of the following are least reliable for long-distance communications during periods of low solar activity?
What should be the impedance of a low-pass filter as compared to the impedance of the transmission line into which it is inserted?
What is the primary use of a Beverage antenna?
What could be a symptom of a ground loop somewhere in your station?
How many watts of electrical power are used if 400 VDC is supplied to an 800 ohm load?
How does the receiving station respond to an ARQ data mode packet containing errors?
What is a practical way to avoid harmful interference on an apparently clear frequency before calling CQ on CW or phone?
What kind of device is an integrated circuit operational amplifier?
What is Near Vertical Incidence Skywave (NVIS) propagation?
What is a reason why many amateurs keep a station log?
Which of the following is the best instrument to use when checking the keying waveform of a CW transmitter?
What are the typical characteristic impedances of coaxial cables used for antenna feed lines at amateur stations?
What measurement is specified by FCC rules that regulate maximum power output?
Where should the radial wires of a ground-mounted vertical antenna system be placed?
Which of the following describes the function of a two input NOR gate?
When must you add the special identifier "AG" after your call sign if you are a Technician class licensee and have a Certificate of Successful Completion of Examination (CSCE) for General class operator privileges, but the FCC has not yet posted your upgrade on its website?
Why do most amateur stations use lower sideband on the 160-meter, 75-meter, and 40-meter bands?
What does LUF stand for?
What emission is produced by a reactance modulator connected to a transmitter RF amplifier stage?
What is the purpose of a power supply interlock?
Which of the following can be a symptom of transmitted RF being picked up by an audio cable carrying AFSK data signals between a computer and a transceiver?
Which of the following components should be added to a capacitor to increase the capacitance?
How close to the lower edge of the phone segment should your displayed carrier frequency be when using 3 kHz wide LSB?
Which of the following devices can be used for impedance matching at radio frequencies?
What must you do if an evaluation of your station shows RF energy radiated from your station exceeds permissible limits?
Which of the following direct, fused power connections would be the best for a 100 watt HF mobile installation?
What is the power limit for beacon stations?
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 segment of the 20-meter band is most often used for digital transmissions (avoiding the DX propagation beacons)?
What portion of the AC cycle is converted to DC by a full-wave rectifier?