transmitting area
81Digital Audio Broadcasting — For other digital audio broadcasting systems, see Digital radio.   Countries with regular services …
82Burglar alarm — Silent alarm redirects here. For the album, see Silent Alarm (album). Burglar (or intrusion), fire and safety alarms are all electronic today. Sensors are connected to a control unit via a low voltage hardwire or narrowband RF signal which is… …
832UUU — Infobox Radio station name = 2UUU city = Nowra, New South Wales, Australia area = Shoalhaven area branding = slogan = The Peoples Radio frequency = 104.5 MHz 92.3 MHz 99.7 MHz repeater = airdate = 1990cite web |url=http://www.acma.gov.au/webwr/… …
84Digital radio in the United Kingdom — A typical DAB digital radio receiver with the Digital Radio Development Bureau DAB digital radio marketing logo In the United Kingdom, the roll out of digital radio is proceeding since test transmissions were started by the BBC in 1990. The UK… …
85Pirate radio — For other uses, see Pirate Radio (disambiguation). Pirate radio is illegal or unregulated radio transmission. The term is most commonly used to describe illegal broadcasting for entertainment or political purposes, but is also sometimes used for… …
86Loop antenna — A shortwave loop antenna A loop antenna is a radio antenna consisting of a loop (or loops) of wire, tubing, or other electrical conductor with its ends connected to a balanced transmission line. Within this physical description there are two very …
87DeviceNet — is a network system used in the automation industry to interconnect control devices for data exchange. It uses Controller Area Network as the backbone technology and defines an application layer to cover a range of device profiles. Typical… …
88Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… …
89telecommunications network — Introduction electronic system of links and switches, and the controls that govern their operation, that allows for data transfer and exchange among multiple users. When several users of telecommunications media wish to communicate with… …
90CULTURAL LIFE — Introduction The movement for the return to Zion which emerged as a force at the end of the 19th century was based on a variety of motivations, including the political – the demand for an independent homeland where the Jews could forge their own… …
