I was searching for Direction Finding loop antennas for my EComms class I’m teaching next month and was not happy about the prices of these antennas. So then I did the next best thing and started searching for plans for building the DF antenna. I found 1 video on making one using coax cable but I don’t have the tools to put coax connectors onto the cable so that plan went out the window.
I went to Arrow antenna website looking at their DF loop antenna to see if I could gather any info I could use to make my own. On their site they say the circumference of their VHF antenna is 18 inches. It looks like there is a simple connector that connects it to the radio and insulator on top of the antenna. After looking it over I figured I could make that easy.
I started off…
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Alpha Charlie Concepts 