Telegraph online dating username examples

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A cablegram was a message sent by a submarine telegraph cable, often shortened to a cable or a wire.

A "telegraph" is a device for transmitting and receiving messages over long distances, i.e., for telegraphy.

The word "telegraph" alone now generally refers to an electrical telegraph.

Wireless telegraphy is also known as "CW", for continuous wave (a carrier modulated by on-off keying), as opposed to the earlier radio technique of using a spark gap.

Contrary to the extensive definition used by Chappe, Morse argued that the term telegraph can strictly be applied only to systems that transmit and record messages at a distance.

This is to be distinguished from semaphore, which merely transmits messages.

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