Author Archive: Chip Coker KD4C
A Simple HP Server Power Supply Mod Creates The Perfect Shack Power Supply
by Josh Barfield N4NZ Everyone needs a good power supply for today’s solid state HF and VHF radios. 20 years ago, your only option was a bulky, hot and heavy linear power supply from Astron or similar (which are still…
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General Meeting – July 2023 – A Highly Effective UHF Base Antenna
Our guest speaker for the July meeting will be Ed Fong (WB6IQN). His talk this month will be the DBJ-UHF 5dB gain base antenna (US patent – 2,124,424). This antenna was featured in CQ Magazine in Summer of 2012. The…
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QRV Tech – July 2023 – Getting Started With SDRs
Software Defined Radios have become popular with Hams for a number of reasons. 1) They’re cheap (as low as $25), 2) They’re very flexible (they can receive almost any modulation type), and 3) They’re fun to play with. What can…
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Field Day 2023 Wrap Up
By Chip Coker KD4C Thanks to everyone that came out for RWK’s 2023 Field Day. We had a record crowd (at least in recent years) of 55 members and 15 guests. We had three stations (plus the free VHF station),…
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The Chawed Rag – June 2023
Activating Mother Neff State Park
By John DiFilippo AF5MN I really enjoyed the RWK Parks-On-The-Air (POTA) group activity a couple of months ago when we activated the Spring Creek Forest Preserve in Garland. Seeing everyone’s go-kits and set-ups that day inspired me to try my…
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General Meeting – June 2023 – Contesting Move to the Next Level
Our program this month is Radio Contesting: Move to the Next Level by Gary Sutcliffe W9XT. Gary is an avid contester and writes a column for the ARRL National Contest Journal (NCJ). If you’ve participated in a minor way but…
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How To Sync Your PC Time For POTA Operation of WSJT-X
by Chip Coker KD4C We’ve all seen how easy it is to set up and operate out in the field using the low cost quick deploy portable antenna and using battery power and portable radios. But that only gets you…
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The Chawed Rag – May 2023
Here’s The Chawed Rag for May 2023. We’ve got DFW Ham Expo this Saturday, Field Day 2023, 6 Meter propagation basics, WB8QZM caught foxhunting on video, Contest University 2023 at Dayton, a new approach to a foxhunting attenuator from N5HD, the “Best Coax Connectors” (IMHO), vintage ARRL ham radio promo video, and so much more. Hope you enjoy! – KD4C
