An amateur radio contact, more commonly referred to as simply a "contact", is an exchange of information between two amateur radio stations. The exchange...

"contact", "touching", "sensation", "sense impression", etc. Contact (amateur radio) Contact (law), a concept related to visitation rights Contact (social)...

the amateur radio operator to have contacted other stations in a certain number of countries, Maidenhead grid locators, or counties. Because amateur radio...

Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation...

radiotelegraph communication and later adopted by other radio services, especially amateur radio. To distinguish the use of a Q-code transmitted as a question...

Telecommunication Union (ITU) oversees how much radio spectrum is set aside for amateur radio transmissions. Individual amateur stations are free to use any frequency...

CQ Amateur Radio (also known simply as CQ or CQ magazine, and formerly as CQ: The Radio Amateur's Journal) is a dormant magazine for amateur radio enthusiasts...

pursued by amateur radio operators. In a contest, an amateur radio station, which may be operated by an individual or a team, seeks to contact as many other...

In amateur radio, QRP operation refers to transmitting at reduced power while attempting to maximize one's effective range. QRP operation is a specialized...

OpenBSD. Amateur radio station § Computer-control software List of amateur radio modes Software-defined radio "DX Atlas: Amateur Radio software". www.dxatlas...

skilled amateur radio operators provide the backbone of the MARS program. The main benefit of MARS membership is enjoying the amateur radio hobby through...

The history of amateur radio, dates from the dawn of radio communications, with published instructions for building simple wireless sets appearing at...

annual amateur radio contest, widely sponsored by IARU regions and member organizations, encouraging emergency communications preparedness among amateur radio...

WSJT-X is a computer program used for weak-signal radio communication between amateur radio operators. The program was initially written by Joe Taylor...

In the United States and Canada, the Amateur Radio Emergency Service (ARES) is a corps of trained amateur radio operator volunteers organized to assist...

The American Radio Relay League (ARRL) is the largest membership association of amateur radio enthusiasts in the United States. ARRL is a non-profit organization...

communication, using radio frequencies instead of telephone or cable connections [citation needed]. On November 12, 2000 the first amateur radio contacts were made...

Amateur Radio Union (IARU) is an international confederation of national organisations that allows a forum for common matters of concern to amateur radio...

Amateur radio or ham radio is practised by more than 22,000 licensed users in India. The first amateur radio operator was licensed in 1921, and by the...

Amateur radio call signs are allocated to amateur radio operators around the world. The call signs are used to legally identify the station or operator...

An amateur radio station is a radio station designed to provide radiocommunications in the amateur radio service for an amateur radio operator. Radio amateurs...

The Royal Naval Amateur Radio Society (RNARS) is a specialized group or club for amateur radio operators who have a link with maritime employment, such...

An amateur radio repeater is an electronic device that receives a weak or low-level amateur radio signal and retransmits it at a higher level or higher...

Amateur radio international reciprocal operating agreements permit amateur radio operators (hams) from one country to operate a station whilst traveling...

governing amateur radio in the United States. The concept of a standby "Radio Amateur Civil Emergency Service" to replace the conventional "Amateur Radio Service"...

An amateur radio net, or simply ham net, is an "on-the-air" gathering of amateur radio operators. Most nets convene on a regular schedule and specific...

The International Amateur Radio Club (IARC) maintains and operates the amateur radio station 4U1ITU at the International Telecommunication Union building...

the United States, amateur radio licensing is governed by the Federal Communications Commission (FCC). Licenses to operate amateur stations for personal...

Amateur radio direction finding (ARDF, also known as radio orienteering, radio fox hunting and radiosport) is an amateur racing sport that combines radio...

Vintage amateur radio is a subset of amateur radio hobby where enthusiasts collect, restore, preserve, build, and operate amateur radio equipment from...