Hal Wolff N5BT – SK
By John Di Filippo, AF5MN The news of Hal’s passing was a shock to most RWK members. The last time you saw Hal, prior to the COVID-19 stay-at-home order, he probably appeared healthy and robust as ever. You might have…
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Author Archive: Chip Coker KD4C
General Meeting – June 2020 – DMR Repeaters
This month’s presentation will cover the basics of DMR – including details on our new DMR repeater – and will be delivered by our very own Andrew Koenig, KE5GDB. Andrew is an active member of the club’s leadership team, is…
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General Meeting – May 2020 – Severe Weather Radar
With social distancing measures still in place for large gatherings, the RWK general meeting for May will take place again via Zoom. This will give us the opportunity to continue to stay connected in spite of the current public health…
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General Meeting – April 2020 – 40M Antenna Array
With social distancing measures in place for the State of Texas, Dallas County and City of Richardson, the RWK general meeting for April will take place via Zoom. This virtual meeting format will give us the opportunity to continue to…
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Beau Williamson N5PY – SK
It is with great sadness that we announce the passing of Beau Williamson, N5PY (SK). Beau had been fighting an aggressive form of brain cancer for the past year and went SK on January 19, 2020. Beau was a dedicated…
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Transmission Lines and Wave Behavior
Here are a couple of informative and entertaining videos on transmission lines and wave behavior. — Courtesy of Michael WT9V
Stealth Vertical Antenna Idea
by Mike Jahrig KG5P – KG5P@arrl.net Hams living in HOAs are always trying to figure out what kind of antenna they should use so they won’t get caught violating the covenant agreements. I hear all kinds of solutions from flagpole…
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Impedance Matching
(Or Stuff that Every Ham Should Know) by Mike Jahrig KG5P – KG5P@arrl.net I had a discussion with a fellow ham recently. He has a nice modern rig but was unclear why the antenna impedance and feedline characteristic impedance must…
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