The DXZone.com Amateur Radio Internet Guide
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PSK: How to Assure a Clean Signal
Posted:
https://www.dxzone.com/dx34159/psk-h...an-signal.html
Operating Modes/PSK31
Due to the nature of PSK it is imperative that you maintain a very clean
signal. In this page you will find examples of a clean PSK signal and one
with excessive splatter, and a short guide on how to properly adjust your
transmitter to assure a clean trace