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via Hackaday: An Introduction to Analog Filtering

This Week in Amateur Radio

4 January 2026 at 11:45

One of the major difficulties in studying electricity, especially when compared to many other physical...

via Hackaday: The Cutting Truth about Variable Capacitors

This Week in Amateur Radio

4 January 2026 at 09:45

If you’ve seen a big air-variable capacitor, you may have noticed that some of the...

via the ARRL: 2026 is ARRL’s Year of the Club — A Celebration of Amateur Radio Clubs

This Week in Amateur Radio

3 January 2026 at 23:21

Read more at ARRL.org

via the ARRL: The ARRL Solar Update

This Week in Amateur Radio

3 January 2026 at 23:06

Read more at ARRL.org