Category - cumshot
take your time, do it right the first time, and then, you can rest assured that your antenna will serve your purpose. The capture area of a 6 wire cage dipole has increased 5 times ! An eight wire antenna increases gain of capture by 7 ! Although it is hard to work with, and build this antenna, for amateur radio use, its one of the best. So whats new in 2020, in ham radio antenna designs? In the past several years, especially in the vhf uhf community, a new somewhat confusing method of rating antennas has appeared on amateur radio websites. This is the newest way the cutting edge designers are looking at ham radio antenna design. Antenna maker antenna design program for quads, yagis, inverted vees, j-poles, trap dipoles and more. Antenna solver provides much greater flexibility in the construction, analysis, and interpretation of radiating structures using a rewritten nec module. Ham radio antennas, home made ham radio antenna projects kits and drawings category is a curation of 4916 web resources on. Resources listed under amateur radio antenna projects category belongs to main collection, and get reviewed and rated by amateur radio operators. Antenna design programs--with surface mount technology and microcircuitry, most hams no longer build their own equipment. For the amateur radio astronomer, here is a planetarium chart of the 4c catalog of radio sources. With a tuner covers the amateur radio hf bands from 40 - 10 meters. J-pole is a free and portable antenna design software for windows. It is used to design j-pole antennas for the desired frequency. J-pole antenna is pretty easy to build and usually designed by amateur radio operators. Through this software, you can easily find out four important parameters to build this antenna namely, radiator length, driven stud length, gap space, and feedpoint. The cobwebb design the cobwebb is a full size half wave dipole on each of the 5 amateur bands, 14, 18, 21, 24 and 28 mhz, for maximum performance. There are no lossy traps, stubs or loading coils, so there is no reduction of radiation efficiency on any band. Each dipole is bent round to form a horizontal square, to make the antenna omni. By peter parker vk3ye first appeared in amateur radio, december 19s novice notes looked at compact antennas that amateurs use to operate from confined locations. The smallest antenna described for 80 metres was a magnetic loop. This article provides all the details needed to build your own.