News
The CaHR $1000 Station Challenge

By Don Weeks N5SKT Recently the guys at Coffee and Ham Radios (CaHR) put together a little challenge to come up with a ham shack for less than $1000 and create a video around it. I had an idea to…
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UTD/TAGER Repeater Improvements

By Chip Coker KD4C On Tuesday September 6, Andrew KE5GDB, Bryan N5HL and myself took a trip to the UTD Repeater site to do some long-awaited repairs to our equipment there. The trip was successful and everything at the UTD/TAGER…
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The Chawed Rag – August 2022
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…
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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…
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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…
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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…
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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…
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