I’ve been struggling to get HF working for me. I replaced the Yaesu FT-818nd’s internal battery, and figured out that there is a 11.5V threshold to get the full 6Watts out (more info can be found in my previous blog post: https://m7isy.rootfs.net/2024/12/06/yaesu-ft-818nd-the-11-5-volts-that-nobody-told-you-about/). I attempted to check my propagation by using the reverse beacon network and… Continue reading Building a 1/4 wave ground plane for 20m