50 free Ham Radio trivia questions with answers — technology quiz, new questions added Aug 2026.
Ham radio started as an insult for telegraphers with clumsy fists and became a worldwide hobby of about two million licensed operators who bounce signals off the Moon, chat with astronauts and keep talking when the phones go down. Its amateurs discovered skywave propagation and helped found the quartz crystal industry. These 50 questions cover the practice and the rules: the ITU and IARU, the three US licence classes, vanity call signs, UK and Canadian prefixes, nets and Elmers, CW and the Q code, SSB versus FM, packet radio and FT8, EchoLink, amateur television, EME and ARISS, power limits from 25 W Foundation licences to 2.25 kW in Canada, and the two countries that still issue no licences at all. Every answer is cited to a page we checked. Play it solo or print it for a club night.
30 of 50 questions with answers and explanations. Play the quiz
Q 01The word 'ham' was originally an insult aimed at whom?
Telegraphers with poor Morse skills
'Ham-fisted' operators were mocked in 19th-century wired telegraphy; radio amateurs later reclaimed the word with pride.
Q 02Which body establishes the amateur radio service through its Radio Regulations?
International Telecommunication Union
National governments then set their own technical rules and issue call signs.
Q 03How often, at minimum, must a call sign be used during a transmission?
Every ten minutes
It must also be given at the end of the conversation.
Q 04What 1927 definition distinguished a radio amateur from commercial operators?
Personal aim, no pecuniary interest
That is, no monetary or similar reward.
Q 05What is the worldwide umbrella body for national ham societies?
IARU
It has three regions: the Americas, Asia-Pacific, and Europe/Middle East/CIS/Africa.
Q 06In 2011, about how many people worldwide were estimated to be active in amateur radio?
2 million
The American Radio Relay League counted about 830,000 stations in the Americas alone.
Q 07Radio amateurs are credited with discovering which propagation phenomenon?
Skywave
Signals bouncing off the ionosphere are what make worldwide shortwave contacts possible.
Q 08How many amateur stations did the 1909 Wireless Blue Book list in the US and Canada?
89
It was the first annual callbook of the Wireless Association of America.
Q 09Amateur experiments from 1924 to about 1934 with what component helped found new industries?
Quartz piezoelectric resonators
Quartz crystals became the timing standard for radios, clocks and computers.
Q 10What are scheduled on-air meetings of operators called?
Nets
A net control station coordinates them; some are emergency drills, others just conversation.
Q 11Which of these is an amateur radio operating award?
Worked All States
Summits on the Air and Jamboree on the Air are others.
Q 12Which voice mode is described as efficient for long-distance use?
Single sideband
FM gives high audio quality; AM survives among vintage-equipment fans.
Q 13Morse code transmission is also known by which two-letter abbreviation?
CW
It stands for continuous wave and still thrives on shortwave because it works under weak-signal conditions.
Q 14Until what year did international rules require Morse proficiency for frequencies below 30 MHz?
Q 21Through which programme do astronauts make amateur contacts from the International Space Station?
ARISS
Some operators reach satellites with nothing more than a hand-held transceiver.
Q 22What must most countries' candidates pass to receive an amateur licence?
An examination
Exams cover electronics, propagation, operating practice and regulations.
Q 23What is the entry-level UK and Australian licence, which includes a practical test, called?
Foundation
It is the first of three licensing stages.
2003
The United States dropped its own Morse requirement in 2007.
Q 15Which internationally understood shorthand system is used in Morse contacts?
Q code
QSL, QTH and QRZ are familiar examples.
Q 16Which digital mode, popular since 2017, allows efficient weak-signal shortwave contacts?
FT8
It came from the WSJT software suite, which also supports meteor scatter and moonbounce.
Q 17Packet radio, developed in the 1970s, uses which protocol?
AX.25
It also uses TCP/IP; radioteletype, once mechanical, is now handled in software.
Q 18EchoLink and the Internet Radio Linking Project are examples of what?
RoIP
They link repeaters and operators worldwide using Internet telephony techniques.
Q 19On which band does fast-scan amateur television typically operate?
70 cm
That is 420-450 MHz; the wide bandwidth limits range to roughly 30-100 km.
Q 20Which natural object do amateurs use as a reflector for 'moonbounce' contacts?
The Moon
The aurora borealis and meteor trails are used the same way.
Q 24Which US agency issues amateur radio licences?
Federal Communications Commission
Its three classes are Technician, General and Amateur Extra.
Q 25What is the highest US ham licence class?
Extra
Higher classes unlock more bands and more transmitter power; Morse is no longer tested.
Q 26How long is a US amateur radio licence valid?
Ten years
The national question pools are published in advance and refreshed every four years.
Q 27Which two countries do not issue amateur radio licences to their citizens?
Yemen and North Korea
Iran licenses amateurs but demands difficult security approval.
Q 28In North America, what are experienced hams who mentor newcomers called?
Elmers
The term was coined by Rodney Newkirk, W9BRD.
Q 29Which is the oldest national amateur radio society, formed in 1910?
Wireless Institute of Australia
The others are among the most prominent national societies today.
Q 30What is a self-chosen call sign called?
Vanity
The FCC dropped its fee for them in 2015, then reinstated it at $35 in 2022.