The DXZone.com Amateur Radio Internet Guide

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Preventing CW key clicks

Posted:
https://www.dxzone.com/dx34160/preve...ey-clicks.html

Technical Reference/Key Clicks
Key clicks are generally undesired clicks or thumps generated by a CW
transmitter as the key is put down or let up. How much does the rise time
or bandwidth of a CW signal need to be limited to prevent other QSOs on
adjacent frequencies from being annoyed by key clicks?