Richardson Texas – Club Call K5RWK
By John Slaughter WB5HSI An opto-isolator is a light emitting diode and a phototransistor in the same package. The LED is completely isolated electrically from the phototransistor. Most devices have 1000 volts or more of isolation. The capacitive coupling between…
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By Chip Coker KD4C Those who know me and my ham radio experience know that I love 10 Meters. Early in my ham career (and in the peak days of solar cycle 21), I would come home from school and…
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From the ARRL Letter ARISS, Amateur Radio on the International Space Station, announced that simultaneous operations of the ARISS voice repeater and digital APRS (Automatic Packet Reporting System) communications on the Space Station are now a reality. Current ARISS operations…
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Here’s The Chawed Rag for July 2022. We’ve got a fun Parks on the Air outing, record Field Day submissions, how to use Ham Club Online, more on the Nano-VNA from KG5P, and so much more. Hope you enjoy! – KD4C
By Mike Jahrig KG5P (Part 4 of a series) Last month we discussed four types of filters and investigated their behavior using the NanoVNA. This month we will use the Nano to identify the values of some junk box inductors…
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By Michael Masterson WT9V HamClubOnline (HCOL) is the system that we use to manage club membership, including new applications for club membership and when everyone’s memberships are up for renewal. HCOL also handles other important things like sending out reminders…
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By Chip Coker KD4C Our Groups.io list is a great resource for the RWK! It’s a great way to learn new things and connect with other members, and even get some free stuff! However, as with any communication tool, it…
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Here’s The Chawed Rag for June 2022. We’ve got Field Day 2022 Wrap-up, a really inspirational piece from Brian WB8QZM on how ham radio is helping him to live his best life, Ed Terry W8QH does Belize, 13 Colonies, News…
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By Chip Coker KD4C Field Day 2022 is a wrap! RWK had a great event this year. Almost 60 members and guests came to the Richardson EOC to help set up, raise the tower, operate, log, eat really good pizza,…
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by Brian Murphy WB8QZM On a typical hot August day in 2020, I found my path back to ham radio. I was used to cycling 20 miles a day but for the last two, had experienced unusual shortness of breath. …
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