https://kd3ee.johnflinchbaugh.com/tags/quarterwave/ Recent content in Quarterwave on John Flinchbaugh KD3EE Hugo en Tue, 18 Feb 2025 00:00:00 +0000 https://kd3ee.johnflinchbaugh.com/post/2025-02-18-rebuild-quarter-wave/ Tue, 18 Feb 2025 00:00:00 +0000 https://kd3ee.johnflinchbaugh.com/post/2025-02-18-rebuild-quarter-wave/ <p>The quarter-wave ground plane antenna in the tree disconnected in the wind, so I brought it back down and rebuilt it stronger with radials passing through the holes and woven together. I used randomly shorter radials, but 8 of them this time. I watched the SWR drop with the nanoVNA as I added radials. I resoldered the driven element into the socket and trimmed it to tune it again.</p>