Uploaded August 2025 | Updated September 2026, 2 weeks ago

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There is no perfect antenna for 40m because dipoles and verticals are best at different times of the day. This is all to do with something called the D-Layer. But don't be confused with techno-baloney... let's take the hatches off for a few minutes and work it out... See what you think.
00:00 Intro
00:20 Dipole vs Vertical
02:00 The Ionosphere