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...

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

An amateur radio operator is someone who uses equipment at an amateur radio station to engage in two-way personal communications with other amateur operators...

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

These satellites use amateur radio frequency allocations to facilitate communication between amateur radio stations. Many amateur satellites receive an...

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

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

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

implemented in a computer program, used for weak-signal radio communication between amateur radio operators. The protocol was designed, and a program written...

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

other amateur radio stations. Awards are sponsored by national amateur radio societies, radio enthusiast magazines, or amateur radio clubs, and aim to promote...

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...

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...

reported overhearing an amateur radio transmission which included the comment: "Say, do you know the fellow who is putting up a new station out your way? I think...

non-broadcast uses Radio broadcasting station, an audio station intended for reception by the general public Amateur radio station, a station operating on frequencies...

A pirate radio station is a radio station that broadcasts without a valid license. In some cases, radio stations are considered legal where the signal...

amateur radio use. Every AX.25 packet includes the sender's amateur radio callsign, which satisfies the US FCC requirements for amateur radio station...

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

Amateur Radio on the International Space Station (ARISS) is a program that facilitates radio communications between licensed amateur radio operators and...

Radio Amateurs of Canada (RAC), known in French as Radio Amateurs du Canada, is the national association for Amateur Radio in Canada. It is a not-for-profit...

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

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

radiosport) is a competitive activity pursued by amateur radio operators. In a contest, an amateur radio station, which may be operated by an individual or...

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...

Greece has over 1,000 radio stations operating with a certificate of temporary legality. Most broadcast on the FM band; the AM band has been almost entirely...

Radio broadcasting began in India in 1922. The Government owned radio station All India Radio dominated broadcasting since 1936 but through privatization...

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

This is a list of amateur radio organizations. It includes notable amateur radio international, national, regional, and local organizations. It also includes...

In times of crisis and natural disasters, amateur radio is often used as a means of emergency communication when wireline, cell phones and other conventional...