http://www.webclass.org/k5ijb/antennas/Radial-systems-for-vertical-antennas.pdf http://vtenn.com/Blog/wp-content/uploads/2016/12/N6LF-vert_w_elev_radials-1-qex-mar-apr-2012.pdf

HF Vertical Antenna, No Radials, Stealth 160-6M VDA …

WebThis should bring the SWR down to a low value. Small adjustments of both taps should provide an SWR close to 1. If not, try adding C1 and repeat the adjustment procedure, … WebA 32-radial version of the same antenna would simply be much longer, with 33 wires total (and 33 corresponding LD entries). Interestingly, the gain of the 4-radial antenna is -1.57 dBi with a take-off angle of 64 degrees (zenith, or 26 degrees elevation), and the source impedance is 49 + j 52 Ohms. china science publishing \\u0026 media ltd

Radials and their far field effects - hamradio.me

WebBy following a few simple guidelines, you can obtain excellent performance from vertical antennas mounted on the ground or elevated above the ground. There are a number of verticals available that say “no radials required”, but they do have “radials”, in the form of a shortened, tuned counterpoise system. As you might WebIn this video, we make up the radials AND show you the math that I use to calculate the minimum number of radials that I recommend. This is based on personal... WebTo conclude therefore, once you install 15 or so radials, you’re not going to achieve any noticeable difference by increasing the radial bed. In my case, I run 30 “half” sized … china science and technology network