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Aprs internet system (aprs-is) like most other ham radio systems, aprs has been fully integrated with the internet beginning with the efforts of steve dimse and the sproul brothers in 1997. Currently there are many web pages for live viewing of aprs activity such as aprs. Aprs automatic position reporting system aprs is a system developed by bob bruninga, wb4apr, which uses amateur radio to transmit position reports, weather reports, and messages between users. Automatic packet reporting system (aprs) is an amateur radio-based system for real time digital communications of information of immediate value in the local area. Data can include object global positioning system (gps) coordinates, weather station telemetry, text messages, announcements, queries, and other telemetry. the grid locator system is one of the many peculiarities that characterize the amateur radio world, and of which all radio amateurs are or should be aware. Not all radio amateurs, and especially the youngest ones, however, do not know the history of the birth of this clever, although crude, method of calculating position on earth. An amateur radio operator is an individual who typically uses equipment at an amateur radio station to engage in two-way personal communications with other similar individuals, on radio frequencies assigned to the amateur radio service by the federal communications commission (fcc) in the united states and the international telecommunication union worldwide. Amateur radio contests on vhf and uhf are often scored based on the distance of contacts, typically 1 point per kilometre, so there is a need for amateurs to exchange their locations over the air. To facilitate this, following the growth of the sport in the 1950s, the german qra locator system was adopted in 1959. The qra locator system was limited to describing european coordinates. R, part 97 radio service code(s) ha - amateur hv - amateur vanity callout the amateur and amateur-satellite services are for qualified persons of any age who are interested in radio technique solely with a personal aim and without pecuniary interest. Worlds leading amateur radio web site with news, technical articles, discussions, practice exams and more. Tabs about a unique call sign is assigned to each amateur station during the processing of its license applications. Each new call sign is assigned sequentially using the sequential call sign system, which is based on the alphabetized regional-group list for the licensees operator class and mailing address.