Dipole vs End-Fed Antennas
Dipoles and end-fed antennas are two of the most common HF antenna choices for amateur radio. Here is how they differ, where each one shines, and what new hams should know before building or buying one.
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Amateur Radio Articles & Guides
Practical amateur radio guides, tutorials, experiments, and reference material from the LZ Amateur Radio Club. Whether you just earned your license or have been on the air for decades, there's always something new to learn.
EFHW vs EFRW
End-fed half-wave antennas and end-fed random wire antennas sound similar, but they are different tools. Here is how EFHW and EFRW antennas work, how they are matched, and when each one makes sense.
Read ArticleHow to Find RFI in Your House or Car
Radio frequency interference can make HF, VHF, and UHF operating miserable. Here is a practical way to hunt RFI at home or in a vehicle using simple tools like an AM radio, breakers, fuses, and careful testing.
Read ArticleI Passed My Technician Exam. Now What?
Passing your Technician exam is only the beginning. Here's how to get on the air, find other hams, explore amateur radio, and start putting your new license to use.
Read ArticleSWR Explained for Normal People
SWR is one of the first measurements new hams encounter and one of the most misunderstood. Here's what SWR actually tells you, what it doesn't, and when you should care about it.
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