The Richardson Wireless Klub > Articles by: Chip Coker KD4C
Author Archive: Chip Coker KD4C
Chip Coker KD4C
March 23, 2025
One of the recurring payloads on the Richardson-area balloon flights is a DMR single-frequency repeater (SFR). This payload is very effective as a voice repeater, and very simple to access if you have a DMR radio. In various forms, we…
Read more
Chip Coker KD4C
March 16, 2025
For the RWK March 2025 General Meeting, we had Craig KM6LYW on to show off his DigiPi software, which combines most Ham Radio digital modes into a single, compact, easy-to-use, Raspberry Pi-based solution. For QRV Tech this month, we thought…
Read more
Chip Coker KD4C
March 10, 2025
By Chip Coker KD4C After the success of last fall’s RWK High Altitude Balloon Launch, we’re planning to do it again this May 2025! Why May? We have to wait for favorable air currents (so that the balloon doesn’t end…
Read more
Chip Coker KD4C
March 8, 2025
Please join RWK on Monday Mar 10th for our General Meeting. We all know that digital operating modes have really transformed ham radio in the last few years, and now represent the majority of QSOs on the HF bands. But…
Read more
Chip Coker KD4C
February 18, 2025
It’s an unseen but critical component in every ham’s station – coax. But do you know how to select and handle coax, and why it matters? And how do you install and maintain coax? We won’t go into excessive detail…
Read more
Chip Coker KD4C
February 10, 2025
UPDATE: Cancelled! Well, we had hoped that the weather gods would be smiling on us when we planned the RWK POTA outing for tomorrow, but it doesn’t seem to be the case. There’s the possibility of overnight rain to add…
Read more
Chip Coker KD4C
February 5, 2025
Please join RWK on Monday Feb 10th for our General Meeting. If you haven’t been under a rock, you should know that we are approaching (or have just passed) the maximum of the current solar cycle (Cycle 25). Our old…
Read more
Chip Coker KD4C
January 20, 2025
If there’s any subject that confuses hams, it’s likely to be grounding. It’s often discussed and often confusing. That’s because there are really at least three different types of grounding, and they are all different and require different solutions. A…
Read more
Chip Coker KD4C
January 11, 2025
Please join RWK on Monday Jan 13th for our General Meeting. It’s January and we will start out the new year with a bit of Radio History. Bill Ruck, of the Maritime Radio Historical Society and Maritime Radio Station KPH,…
Read more
Chip Coker KD4C
December 16, 2024
If you’ve ever wanted to dabble in modeling antennas (but were afraid to try), then don’t miss tomorrow night’s QRV. I’ll be talking about MMANA (Macoto Mori’s ANtenna Analyzer) which is a free, easy-to-use-once-you-understand-it software…and my goal for tomorrow night…
Read more