The amplitude modulation signalling system (AMSS or the AM signalling system) is a

digital Digital usually refers to something using discrete digits, often binary digits. Technology and computing Hardware *Digital electronics, electronic circuits which operate using digital signals **Digital camera, which captures and stores digital i ...

system for adding low

bit rate In telecommunications and computing, bit rate (bitrate or as a variable ''R'') is the number of bits that are conveyed or processed per unit of time. The bit rate is expressed in the unit bit per second (symbol: bit/s), often in conjunction w ...

information to an analogue

amplitude modulated Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting messages with a radio wave. In amplitude modulation, the amplitude (signal strength) of the wave is varied in proportion to t ...

broadcast Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum ( radio waves), in a one-to-many model. Broadcasting began ...

signal in the same manner as the Radio Data System (RDS) for frequency modulated (FM) broadcast signals. This system has been standardized in March 2006 by

ETSI The European Telecommunications Standards Institute (ETSI) is an independent, not-for-profit, standardization organization in the field of information and communications. ETSI supports the development and testing of global technical standard ...

(TS 102 386) as an extension to the

Digital Radio Mondiale Digital Radio Mondiale (DRM; ''mondiale'' being Italian and French for "worldwide") is a set of digital audio broadcasting technologies designed to work over the bands currently used for analogue radio broadcasting including AM broadcasting—pa ...

(DRM) system.

Broadcasting

AMSS data are broadcast from the following transmitters: * LW ** RTL France: 234 kHz * SW **

BBC World Service The BBC World Service is an international broadcasting, international broadcaster owned and operated by the BBC, with funding from the Government of the United Kingdom, British Government through the Foreign Secretary, Foreign Secretary's o ...

: 15.575 MHz Formerly it was also used by: * MW ** Truckradio 531 kHz **

: 648 kHz ** Deutschlandradio Kultur: 990 kHz

External links

*
ETSI TS 102 386 V1.2.1 (2006-03)
directly from ETSI Publications Download Area (account or free registration required) * * Radio technology Broadcast engineering 2006 introductions 2006 establishments {{Radio-comm-stub