Author: Kris – KZ7K
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Fan Dipoles: One Feedline, Multiple Bands
A fan dipole solves the multi-band problem with an approach that’s almost embarrassingly simple: instead of one antenna trying to cover several bands through traps or compromise, you just hang several resonant dipoles off the same feed point. The concept A fan dipole is exactly what it sounds like: multiple individually cut, resonant half-wave dipoles,…
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Waterproofing and Weatherproofing a Go-Bag Radio
Water kills radios faster than almost anything else. Here’s what actually protects one in a go-bag.
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Automatic vs Manual Antenna Tuners: Which Do You Actually Need
An antenna tuner does not actually tune your antenna, it tricks your radio into seeing a happy match. Whether that trick should happen automatically or by hand is a genuinely practical question, not just a budget one.
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Building a 9:1 Unun for a Random Wire HF Antenna
A random wire is the cheapest, most flexible HF antenna there is, as long as you pick the length carefully and match it right. Here’s the 9:1 unun build.
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AnyTone AT-D890UV Review: The Radio That Never Leaves My Belt
Why the AnyTone AT-D890UV is my everyday carry radio, how the BridgeCom Maverick compares, and what I’d want you to know before you buy.
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FT4: FT8’s Faster, Less Popular Cousin
FT8’s faster, less forgiving cousin, and where the extra speed actually pays off.
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Mobile Antenna Mounts, Grounding, and Noise: A General Installation Guide
A mobile antenna is only as good as the mount, ground, and cable routing behind it. Here is what actually matters, regardless of which specific antenna you end up running.