![PSK31 Digital Mode [ Video Tutorial ] – QRP School](https://qrznow.com/wp-content/uploads/2016/06/0115.jpg)
Photo: W7RN
This is a comprehensive intro to the PSK31 digital mode. It’s all of the major concepts and some demonstration crammed into a 30 minute class.
Tad Cook, K7RA, Seattle, reports: It’s exciting to observe increasing sunspot activity. Recently Solar Cycle 25 produced new sunspots frequently, and I watch them pop up every day on Spaceweather.com. New sunspots emerged on July 14, 16, 17... Read more
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