The January Edition of Digital QST – our annual DIY issue – is now available at http://www.nxtbook.com/
In this issue . . .
• Build an inexpensive 1 kHz to 1.7 GHz SDR receiver
• Add power and PTT indicators to your desk microphone
• Print your own straight key for Straight Key Night.
• Modify surplus ARC-5 radios for the ham bands
• Build a tiny back-up power supply
…and much more!
Tad Cook, K7RA, Seattle, reports: Sunspot Cycle 25 is under way. We saw one new spot on July 28 and two new ones on August 2 and 3. The daily sunspot numbers were 22 and 23 on the dates of their appearance, and the total sunspot area grew o... Read more
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