Call-sign allocation plan
Encyclopedia
In telecommunication
, call-sign allocation plan is the table of allocation
of international call sign
series contained in the current edition of the International Telecommunication Union
(ITU) Radio Regulations
.
Note: In the table of allocation, the first two characters of each call sign (whether two letters or one number and one letter, in that order) identify the nationality of the station. In certain instances where the complete alphabetical block
is allocated to a single nation, the first letter is sufficient for national identity. Individual assignments are made by appropriate national assignment authorities from the national allocation.
Telecommunication
Telecommunication is the transmission of information over significant distances to communicate. In earlier times, telecommunications involved the use of visual signals, such as beacons, smoke signals, semaphore telegraphs, signal flags, and optical heliographs, or audio messages via coded...
, call-sign allocation plan is the table of allocation
Allocation
Allocation may refer to:* Computers** Delayed allocation** Block allocation map** FAT** IP address allocation** Memory allocation** C++ allocators** No-write allocation ** Register allocation* Economics** Economic system** Asset allocation...
of international call sign
Call sign
In broadcasting and radio communications, a call sign is a unique designation for a transmitting station. In North America they are used as names for broadcasting stations...
series contained in the current edition of the International Telecommunication Union
International Telecommunication Union
The International Telecommunication Union is the specialized agency of the United Nations which is responsible for information and communication technologies...
(ITU) Radio Regulations
Radio Regulations
The Radio Regulations is an intergovernmental treaty text of the International Telecommunication Union , the Geneva-based specialised agency of the United Nations which coordinates and standardises the operation of telecommunication networks and services and advances the development of...
.
Note: In the table of allocation, the first two characters of each call sign (whether two letters or one number and one letter, in that order) identify the nationality of the station. In certain instances where the complete alphabetical block
Block
Block may refer to:-Administrative subdivisions:* A city block, the smallest area that is surrounded by streets* Block , term used in many South Asian countries-Objects:* A large concrete masonry unit...
is allocated to a single nation, the first letter is sufficient for national identity. Individual assignments are made by appropriate national assignment authorities from the national allocation.