Uploaded June 2025 | Updated September 2026, 2 weeks ago

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Just a quick demo of the using the very useful notch filter.

This is one of many amateur/ham radio related videos & shorts on my channel. Please feel free to browse 👀, like 👍🏻 and subscribe (it's free!), remembering to hit the bell 🔔 so you’re notified of new videos as soon as they're published and you don't miss out.

Thanks.

Ian.