solar cycle Archives

Reading Solar Weather: SFI, K-Index, and A-Index Explained

September 22, 2026

Every propagation report leads with three numbers. Here’s what they mean and how to actually use them.

10 Meters: Amazing When It’s Open, and Why It So Rarely Is

July 6, 2026

10 meters can deliver worldwide DX on a handheld sized antenna and a handful of watts. The catch is that it only works when the ionosphere cooperates, and that is not often.

Is 20 Watts Enough? The G90 in the Current Solar Cycle

April 28, 2026

Part of our The Xiegu G90: The Complete Guide. The most common question I get about the G90 is some version of “isn’t 20 watts too low.” Right now, honestly, no. But the answer depends on timing more than people realize, and it’s worth being straight about that instead of just saying “QRP works great”…

Tag: solar cycle

Reading Solar Weather: SFI, K-Index, and A-Index Explained

10 Meters: Amazing When It’s Open, and Why It So Rarely Is

Is 20 Watts Enough? The G90 in the Current Solar Cycle

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