Automatic sounding

Automatic sounding

In telecommunication, automatic sounding is the testing of selected channels for quality by providing a very brief identifying transmission that may be used by other stations to evaluate connectivity, and availability, and to identify known working channels for immediate or later use for communications or calling. Often used to maintain connectivity in digital communications high frequency radio networks.

Automatic soundings are primarily intended to increase the efficiency of the automatic link establishment (ALE) function, thereby increasing system throughput.

Sounding information is used for identifying the specific channel to be used for a particular ALE connectivity attempt.


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