Technician
Technician
General
Amateur Extra
100

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

What is the FCC?

100

What is a transceiver?

What is a device that combines a receiver and transmitter?

100

Which mode of voice communication is most commonly used on the HF amateur bands?

What is SSB? (Single Sideband)

100

What licensing is required when operating an amateur station aboard a US-registered vessel in international waters?

What is Any FCC-issued amateur license?

200

Which term describes the ability of a receiver to detect the presence of a signal?

What is sensitivity?

200

What is the purpose of a fuse in an electrical circuit?

What is to remove power in case of an overload?

200

Which mode is most commonly used for SSB voice communications in the VHF and UHF bands?

What is Upper sideband?

200

What is required in the identification transmissions from a balloon-borne telemetry station?

What is a Call Sign?

400

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

What is horizontal polarization?

400

Which of the following types of antennas offers the greatest gain?

What is a Yagi (Parabolic dish is also acceptable)

400

What is the recommended way to break into a phone contact?

What is saying your call sign once?

400

What is the definition of telemetry?

What is a One-way transmission of measurements at a distance from the measuring instrument?

600

What is a Beam Antenna?

What is an antenna that concentrates signals in one direction?

600

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

What is SSB (Single Side Band)

600

What causes reflected power at an antenna’s feed point?

What is the difference between feed line impedance and antenna feed point impedance?

600

Which of the following geographic descriptions approximately describes "Line A"?

What is A line roughly parallel to and south of the border between the US and Canada?

1000

What is an electronic keyer?

What is something that assists in the sending of Morse code?

1000

What is the approximate bandwidth of AM fast-scan TV transmissions?

What is "About 6 MHz"

1000

What does the K-index measure?

What is the short-term stability of Earth’s geomagnetic field?

1000

Except in some parts of Alaska, what is the maximum power permitted on the 630-meter band?

What is 5 watts EIRP (equivalent isotropic radiated power)