The Richardson Wireless Klub > Articles by: Chip Coker KD4C
Author Archive: Chip Coker KD4C
Chip Coker KD4C
April 29, 2025
By Chip Coker KD4C Weds Update: The predictions have taken a bit of a turn now that the storm system from earlier has moved through. Currently we’re still slated to launch this Saturday, but there are a few things working…
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Chip Coker KD4C
April 20, 2025
Larry KI5UXC is going to talk about (and possibly demonstrate) the benefits of adding some power to your signal by using a linear amplifier. While there have been some advances in linear amplifiers recently (especially in solid state amplifiers), using…
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Chip Coker KD4C
April 13, 2025
Please join RWK on Monday Apr 14th for our General Meeting. Our April Meeting will have two short topics instead of one big program. Hopefully most of you know that RWK is doing another High-Altitude Balloon Launch sometime soon (hopefully…
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Chip Coker KD4C
April 3, 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! Of high priority is tracking the balloon while it is in flight. Those that participated last…
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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…
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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…
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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…
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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…
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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…
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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…
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