Lecture And Lab April 2026

Interior view of a black electronic enclosure containing wiring, a transformer with colored wires, and connectors.

Come join the DARC for the April 2026 Lecture and Lab – In this lecture and lab you will build multi-band 6-40 meter end fed antenna that is fast and easy to setup and deploy and will support 100W. The build will take place at the Dallas Medical Center on the 3rd floor. Plan on attending in-person April 25, 2026 start time is 10am central time. More details below.

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Lecture And Lab February 2026

A portable black power box with a digital display showing voltage, current, and power usage, featuring multiple buttons and indicators.

Come join the DARC for the February 2026 Lecture and Lab – In this lecture and lab you will build a 12volt 34Ah LiFePo4 battery box complete with a 10amp charger, volt/amp meter, LED lights, 65W PD power/USB-C (this is enough to charge/power a MacBook Pro and more). The build will take place at the Dallas Medical Center on the 3rd floor. Plan on attending in-person Feb 28, 2026 start time is 10am central time. More details below.

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Rescheduled! DARC Lecture and Lab for October 2025

A 435-MHz yagi antenna, made from aluminum wire and pvc pipe, sits on a dark red backbround.

The DARC Lecture and Lab for September 2025 has been RESCHEDULED! The event will take place on October 25th, 2025.

You can download the lab notes here and the original “cheap yagi” paper here.

Please join us for the October, 2025 Lecture and Lab. Tony Mendina, NT5TM, will introduce the famous “cheap yagi” series of antennas, and participants will built a 435-MHz yagi antenna suitable for AMSAT or fox-hunting use. Thanks to donations of valuable materials by Virginia, NV5F, and Rollin, WA5RFG, the kit cost will be only $10.00. Remember that you don’t need to be a DARC member to attend our event. We’ll meet up at our usual meeting location at 10:00 AM on Saturday, October 25th. Please watch this post for more updates about tools and instructions.

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Lecture And Lab Oct 2023

Come join the DARC for the October 28, 2023 Lecture and Lab. This lab will be a Radio In the Park Day shine only event at a nearby POTA Park (Parks On the Air) in the Garland area just off the Geo Bush highway. Join the DARC on site at Spring Creek Forest Preserve Oct 28, 2023 start time is 10am more details below. THIS EVENT IS CANCELED DUE TO WEATHER!

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Lecture And Lab August 2023

Come join the DARC for the August 2023 Lecture and Lab – In this lecture and lab you will solder/build a 12volt 14Ah LiFePo4 battery box complete with BMS, charger, volt/amp meter, LED lights and more. The build will take place at the Dallas Medical Center on the 3rd floor. Plan on attending in-person Aug 26, 2023 start time is 10am central time. More details below.

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