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All About End Fed Antennas, Field Day Educational Activity

All About End Fed Antennas, Field Day Educational Activity

by kb9vbr | Nov 20, 2021 | Antennas

Joe, KD9CJX and Jerry W9GLG give a presentation on end fed antennas at the Wisconsin Valley Radio Association’s 2021 ARRL Field Day. This was the group’s educational activity for Field Day. Become a patron! Unlock exclusive content at:...

Your Questions Answered: Ham Radio Q and A Episode 6

by Michael Martens | Nov 18, 2015 | Ham Radio Q and A

So far the first five episodes of the Ham Radio Q and A show have generated quite a bit of interest and response. They’ve also spurred more than a few questions, so I thought I’d take a moment and follow up on a few of the questions asked. In the episode titled RF...

Baluns and RF Chokes: Ham Radio Q & A Episode 3

by Michael Martens | Jul 23, 2015 | Ham Radio Q and A

You’ve heard a lot of people recommend putting a few loops of coax near the feed point of your antenna to keep the RF energy out. How does this work and why is it needed. Watch this episode for more information on common mode currents, baluns, and RF chokes....

Does my J-Pole antenna need the choke balun?

by Michael Martens | Apr 21, 2012 | Amateur Radio, Antennas, UHF, VHF

Most of the instructions and plans you see online for J-Pole antennas often include the admonition to use a choke balun with the antenna. The purpose of the balun is to limit the amount of RF radiation coming back down the feedline and into the radio. Even though...

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