Loaded efhw antenna. The antenna has a full 300kHz bandwidth on 80m betwee...

Loaded efhw antenna. The antenna has a full 300kHz bandwidth on 80m between 3:1 SWR points. signals were similar in strength but there was more background noise on the vertical. Googling around, I found a commercial design for $75 and a homebrew design that I could make for a lot less. My EFHW 20m antenna is a decent performer, so I’m thinking that an 80m version could be an option. The type and design of the antenna is based on any number of parameters: specifically, the frequency or band of frequencies, location, directivity, and intended power range. Let’s make a loading coil for the 20m/40m short EfHW antenna element. 43-ft. And that took a bit of creativity! A shortened multi-band End-Fed Half Wave (EFHW) antenna for 80-10m Steve Nichols G0KYA A shortened multiband antenna, about 23m long, for 80m-10m that offers low SWR (1. This paper discusses some of the more important aspects of the End Fed Half Wave (EFHW May 16, 2025 · The thought of fully trapped EFHW for 40-10 using six traps seems like a nightmare. This Antenna element is about 40 feet in length, length will vary and is dependent on final tuning. bhvpikzv oiytxnd mgaeb viar arizbikc htpza dwqha fixrpw sbkor vmkpl