Amateur radio
Amateur radio (also called ham radio) is the use of designated radio frequency spectra for purposes of private recreation, non-commercial exchange of messages, wireless experimentation, self-training,...
Amateur radio - Wikipedia
Surrey Satellite Technology
Surrey Satellite Technology Ltd, or SSTL, is a spin-off company of the University of Surrey, now majority-owned by EADS Astrium, that builds and operates small satellites. Its satellites began as amat...
SumbandilaSat
SumbandilaSat (formerly ZASAT-002, AMSAT designation SO-67), is a South African micro earth observation satellite, launched 2009-09-17 on a Soyuz-2 launch vehicle from the Baikonur Cosmodrome. The fir...
TV-FM DX
TV DX and FM DX is the active search for distant radio or television stations received during unusual atmospheric conditions. The term DX is an old telegraphic term meaning "long distance."VHF/UHF te...
TV-FM DX - Wikipedia
Shortwave listening
Shortwave listening, or SWLing, is the hobby of listening to shortwave radio broadcasts located on frequencies between 1700 kHz and 30 MHz. Listeners range from casual users seeking international news...
Shortwave listening - Wikipedia
CB usage in the United States
In the United States, the Class D Citizens' Radio Service, or Citizens' Band ("CB"), is one of several personal radio services defined by the FCC's Part 95 rules. It is intended to be a two-way voice...
CB usage in the United States - Wikipedia
CB radio in the United Kingdom
Citizens Band radio (often shortened to CB radio) is a system of short-distance radio communications between individuals on a selection of 40 channels within the 27-MHz (11 m) band. In the United King...
LowFER
LowFER (Low-Frequency Experimental Radio) refers to experimental radio communication practiced by hobbyists on frequencies below 300 kHz, a part of the radio spectrum known as low frequency. The...
Citizens Band radio in India
Citizens' Band radio (also known as CB radio) is a system of short-distance radio communications between individuals on a selection of 40 channels within the 27-MHz (11 m) band. Citizens' Band is dist...
Citizens Band radio in India - Wikipedia
DXing
DXing is the hobby of receiving and identifying distant radio or television signals, or making two way radio contact with distant stations in amateur radio, citizens' band radio or other two way radio...
Super low frequency
Super low frequency (SLF) is the ITU designation for electromagnetic waves (radio waves) in the frequency range between 30 hertz and 300 hertz. They have corresponding wavelengths of 10,000 to 1,000 k...
Citizens' band radio
Citizens' Band radio (also known as CB radio) is, in many countries, a system of short-distance radio communications between individuals on a selection of 40 channels within the 27-MHz (11 m) band. Ci...
MW DX
MW DX, short for mediumwave DXing, is the hobby of receiving the reception of distant mediumwave (known as AM in North America) radio stations. MW DX is similar to TV and FM DX in that broadcast band ...
Aircheck
In the radio industry, an aircheck is generally a demonstration recording, often intended to show off the talent of an announcer or programmer to a prospective employer, but mainly intended for legal ...
VMB4
VMB4 is a UHF Citizens' Band Radio (UHF CB) Repeater located one kilometre from Mount Sugarloaf on the Sugarloaf Range in Newcastle, New South Wales, Australia. VMB4 is Newcastle's fourth repeater to ...
VMB4 - Wikipedia
Vehicle audio
Vehicle audio includes mobile audio, car audio, 12-volt (sometimes other voltages such as 6-volts for pre-1950s vintage cars and 24-volt for civilianized military vehicles or heavy-duty commercial civ...
Vehicle audio - Wikipedia
Scanner (radio)
A scanner is a radio receiver that can automatically tune, or scan, two or more discrete frequencies, stopping when it finds a signal on one of them and then continuing to scan other frequencies when ...
Scanner (radio) - Wikipedia
Sporadic E propagation
Sporadic E or Es is an unusual form of radio propagation using characteristics of the Earth's ionosphere. Whereas most forms of skywave propagation use the normal and cyclic ionization properties of t...
List of CB slang
CB slang is the distinctive anti-language, argot or cant which developed amongst users of Citizens Band radio (CB), especially truck drivers in the USA during the 1970s and early-1980s.CB and its dist...
Citizens band radio
Citizens Band radio (also known as CB radio) is, in many countries, a system of short-distance radio communications between individuals on a selection of 40 channels within the 27 MHz (11 m) band. Cit...
Citizens band radio - Wikipedia
Arne Skoog
Arne Skoog was born in 1913 in the northern Swedish province of Jämtland. He died on 7 June, 1999 aged 86.
In 1948, Arne, then a young engineer at Radio Sweden, founded Sweden Calling DXers as a w...
PMR446
PMR446 (Personal Mobile Radio, 446 MHz) is a part of the UHF radio frequency range that is open without licensing for business and personal use in most countries of the European Union. It has rou...
PMR446 - Wikipedia
Family Radio Service
The Family Radio Service (FRS) is an improved walkie talkie radio system authorized in the United States since 1996. This personal radio service uses channelized frequencies around 462 and 467 MHz in ...
Family Radio Service - Wikipedia
TV and FM DX
TV DX and FM DX is the active search for distant radio or television stations received during unusual atmospheric conditions. The term DX is an old telegraphic term meaning "long distance."VHF/UHF te...
Super high frequency
Super high frequency (SHF) is the ITU designation for radio frequencies (RF) in the range between 3 GHz and 30 GHz. This band of frequencies is also known as the centimetre band or centimetr...
Super high frequency - Wikipedia
Digital Radio Mondiale
Digital Radio Mondiale (abbreviated DRM; mondiale being Italian and French for "worldwide") is a set of digital audio broadcasting technologies designed to work over the bands currently used for analo...
Digital Radio Mondiale - Wikipedia
Summits on the Air
Summits On The Air (SOTA) is an amateur radio operating award program. Its aim is to encourage operation from mountainous locations. Licensed amateur radio operators combine mountain climbing with ope...
SUNSAT
The Stellenbosch UNiversity SATellite is the first miniaturized satellite designed and manufactured in South Africa. It was launched aboard a Delta II rocket from the Vandenberg Air Force Base on 23 F...