My First Feld Hell Contact

This is a digital mode in Amateur radio. It’s different in that it print right on the screen (it used to be paper) like a facsimile machine.

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PSK31 is another digital mode that converts typed on computer keyboard letters to specific sounds and send them by the radiostation. PSK31 is very popular modulation because it needs a narrow band so in small segment of the band can work many stations.
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