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The call signs are used to legally identify the station or operator, with some countries requiring the station call sign to always be used and others allowing the operator call sign instead. [ 1 ] The International Telecommunication Union (ITU) allocates call sign prefixes for radio and television stations of all types.
Conventional radio and television stations almost exclusively use "C" call signs; with the exception of a few commercial radio stations in St. John's, Newfoundland and Labrador which existed prior to the admission of Newfoundland as a province in 1949, the "V" calls are restricted to specialized uses such as amateur radio.
The project received a grant from the Amateur Radio Digital Communications in 2021 [7] and 2022. [8] The protocol has been integrated into several hardware and software projects. [ citation needed ] In 2021, Kaczmarski received the ARRL Technical Innovation Award for developing an open-source digital radio communication protocol, leading to ...
Amateur radio or ham radio call signs are unique identifiers for the 24,000 licensed operators. Russia uses the following 1-letter and 2-letter prefixes in amateur radio call signs for normal operation: R, RA, RK, RN, RU, RV, RW, RX, RZ, and UA. Any of these prefixes can be used in any of Russia's federal subjects. The other prefixes are ...
Standard broadcasters may use these call signs with a suffix; what is now WVBX operated as WWVB-FM from 2008 through 2009. NOAA Weather Radio stations operating between 162.4 and 162.55 MHz have call signs consisting of a "K" or "W" followed by two letters, and two digits. The "K" and "W" prefixes are used on both sides of the Mississippi River ...
HamSphere is a subscription-based internet service that simulates amateur radio communication using VoIP connections over the Internet. The simulator allows licensed radio amateurs and unlicensed enthusiasts to communicate with one another using a simulated ionosphere. It was designed by Kelly Lindman, a radio amateur with call sign 5B4AIT. [1]
Broadcast call signs are call signs assigned as unique identifiers to radio stations and television stations. While broadcast radio stations will often brand themselves with plain-text names, identities such as " cool FM ", " rock 105" or "the ABC network" are not globally unique.
Russian nuclear icebreaker Arktika with call sign UKTY. Merchant and naval vessels are assigned call signs by their national licensing authorities. In the case of states such as Liberia or Panama, which are flags of convenience for ship registration, call signs for larger vessels consist of the national prefix plus three letters (for example, 3LXY, and sometimes followed by a number, e.g. 3LXY2).