Call signs in the United States are identifiers assigned to radio and television stations, which are issued by the Federal Communications Commission (FCC)...

Aviation call signs or aircraft call signs are communication call signs assigned as unique identifiers referring to an aircraft. Call signs in aviation...

3LXY2). United States merchant vessels are given call signs beginning with the letters "W" or "K" while US naval ships are assigned call signs beginning...

intervals. In peacetime, some military stations will use fixed call signs in the international series. The United States Army uses fixed station call signs which...

and the United States. Many countries have specific conventions for classifying call signs by transmitter characteristics and location. The call sign format...

television stations in the United States by call sign (initial letter K) List of television stations in the United States by call sign (initial letter W)...

television broadcasting stations in the United States that are currently assigned three-letter call signs. In the United States, all radio and television broadcasting...

ITU call sign. Some common conventions are followed around the world. Excluding those used in amateur radio, call signs are traditionally only used in the...

Group C assigns 2-by-3 formats. Call signs begin with the letter K in Regions 1 through 10 (continental United States), and with a W (along with an area...

Spacecraft call signs are radio call signs used for communication in crewed spaceflight. These are not formalized or regulated to the same degree as other...