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Developed beginning in the 1830s, a telegraph line was a person-to-person text message system consisting of multiple telegraph offices linked by an overhead wire supported on telegraph poles. To send a message, an operator at one office would tap on a switch called a telegraph key , creating pulses of electric current which spelled out a ...
English: These Regulations introduce new provisions and consolidate existing legislation which exempts the establishment, installation and use of certain radio equipment which comply with certain terms, provisions and limitations, from the requirement to be licensed under section 8(1) of the Wireless Telegraphy Act 2006 (c. 36).
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Some systems are designed for point-to-point line-of-sight communications, once two such nodes get too far apart they can no longer communicate. Other systems are designed to form a wireless mesh network using one of a variety of routing protocols. In a mesh network, when nodes get too far apart to communicate directly, they can still ...
In a punched-tape system, the message is first typed onto punched tape using the code of the telegraph system—Morse code for instance. It is then, either immediately or at some later time, run through a transmission machine which sends the message to the telegraph network. Multiple messages can be sequentially recorded on the same run of tape.
Use of the Eiffel Tower as a listening station to intercept wireless telegraphy (French: télégraphie sans fil T.S.F.) 1914 British radio listening station from the Second World War, equipped with the National HRO shortwave radio receivers The radomes of listening station RAF Menwith Hill, England, often referred to as "golf balls", protect the parabolic antennas from the weather.
A telegraph system consisted of two or more geographically separated stations linked by wire supported on telegraph poles. A message was sent by an operator in one station tapping on a telegraph key, which sent pulses of current from a battery or generator down the wire to the receiving station, spelling out the text message in Morse code.
Wireless Telegraphy Act is (with its variations) a stock short title used for legislation in the Republic of Ireland, South Africa and the United Kingdom relating to wireless telegraphy. The Wireless Telegraphy Acts are laws regulating radio communications in the United Kingdom .