Amateur radio contesting
The most common use of the term ''radiosport'' is as a synonym for amateur radio contesting (ham radio contesting). Contesting is an activity where amateur radio stations attempt to make as many two-way contacts with other stations as possible, following certain defined parameters of the competition, to maximize a score. At least two specific contests have used the term ''radiosport'' in their event names; the IARU HF World Championship, a worldwide contest sponsored by the International Amateur Radio Union, was known as the IARU Radiosport Championship from its inception in 1977 until the name of the contest changed in 1986. The term ''radiosport'' also appears in the name of the World Radiosport Team Championship, the radio contest considered by many to be the closest that contesting has to a world championships.Amateur radio direction finding
''Radiosport'' also can refer to the sport of amateur radio direction finding (ARDF). Although they represent a broad range of amateur radio interests in their nations today, several member societies of the International Amateur Radio Union were originally formed for the promotion and organization of the sport of ARDF and continue to use the term ''radiosport'' in their society name. These include the Radio Sport Federation of Armenia, the Belarusian Federation of Radioamateurs and Radiosportsmen, the Chinese Radio Sports Association, the Kazakhstan Federation of Radiosport and Radio Amateur, the Mongolian Radio Sport Federation, All-Russian public radiosport and radioamateur organization «Soyuz Radiolyubiteley Rossii»,Complete name of Russian Amateur Radio Union – SRR, following official charter Ukrainian League of Radio amateurs and the now defunct Radio Sport Federation of the USSR.SOTA (Summits On The Air)
Summits or peaks are allocated unique identifiers if the mountain summit meets certain criteria (i.e. height, distance from other peaks) and is allocated potential points to be scored by ''activating'' it. There are two ways to score SOTA points; a) as an activator, meaning the operator climbs the summit and makes at least 4 contacts from it or b) as a chaser, that is, an operator who makes contact with an operator on a summit. Summit to summit contacts attract bonus points, as does operating certain summits during pre-defined Winter periods. Certificates are issued at point intervals. Other variants of this radio-sport along the same lines exist, for example WWFF (World Wide Flora and Fauna in Amateur Radio) where activators set up a station in a nature area and chasers contact an operator who is in the nature area.RaDAR (Rapid Deployment of Amateur Radio)
Originally called SIAS (Shack in a sack), this radio-sport combines speed, a portable station and efficient communications. The operator picks a four hour time-frame within which to operate and deploy their portable station as quickly as possible. Once deployed, the operator makes a maximum of five contacts, exchanging name, signal report and exact (8 digit or more) maidenhead location digits. Once five contacts have been made, the operator packs up the station and moves it at least 1 km on foot or 6 km by car. Other modes of transport are also used, each with its own minimal distance. The operator then deploys their station at the new location, makes five more contacts, packs up and moves again, until the four hours are up. The operator with the highest contact count at the end of the day, for their chosen four hour period of operation, wins.High Speed Telegraphy
High Speed Telegraphy competitions challenge individuals to correctly receive and copyReferences
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