Latest Posts
Opto-Isolators: A Very Useful Device in the Ham Radio World
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…
Read more
The Super Penetrator – A Beast on 10 Meters
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…
Read more
International Space Station Upgrades Amateur Radio Operations
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…
Read more
The Chawed Rag – July 2022
Using Nano VNAs – Component Measurement
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…
Read more
What Is Ham Club Online (and why should I care)?
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…
Read more
RWK Groups.io Guidelines
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…
Read more
General Meeting – August 2022 – Solar Cycle 25 Update and Propagation
Please join RWK on Monday August 8th for our August General Meeting. Our guest will be Carl Luetzelschwab K9LA presenting on Solar Cycle 25 Update and Propagation. Carl will review all twenty-four previous solar cycles, show predictions for Cycle 25…
Read more
General Meeting – July 2022 – The Magic of Six Meters
Jim Wilson K5ND will be here in person to talk about the “magic band”. You, too, can capture the MAGIC of six meters. It takes some time and skill, but you’ll achieve incredible results from an average station. The presentation covers propagation modes,…
Read more
