Yagi, verticals, discone, jpole skyhoppers and parabolic antennas. Antenna calculator and design software electroschematics. Calculate the required dimensions for a j pole antenna construction for any given frequency. Post frame estimating software for contractors, lumber yards, draftsmen, material suppliers. I found that the dimensions may vary from supplier to supplier by as much as 18 of an inch. The northern virginia team of ham radio operators and companion hikers manned hawksbill mountain for the 2011 appalachian trail golden packet event. Buy products related to j pole products and see what customers say about j pole products on free delivery possible on eligible purchases. Rf toolbox dipole, yagi, vertical, cubic quad, log periodic, jpole. Rf toolbox is available for both macintosh and windows systems. An old 1938 us army mil specs recommends choking the coax to prevent.
Use these antenna design software to design and analyze antennas of various types like yagi, jpole, parabolic, quagi, super scanner, etc. Jpole is a free and portable antenna design software for windows. After you receive your jpole antenna, the first question you probably have is how are you going to mount it. Its basically an endfed omnidirectional halfwave antenna, matched to the feedline by a quarter wave transmission line stub. The super jpole antennacollinear design below is a javascript for calculating the lengths of tubing to be used for the construction of a super jpole. Some swear by it but i am sorry, i have never heard one that worked that well. If the antenna is to be placed outside, do not use brass. Listed under the software legacy systemsms dos category that is about ms dos amateur radio programs. This calculator can be used to design a slim jim or a j pole antenna. Buy your copy online, and get your registration code in minutes.
Online calculator jpole antenna designer changpuak. Gear included a kenwood d710 with green light lab gps, 2m collinear j pole and a 70cm collinear j pole. The slim jim, designed by the late fred judd, g2bcx, can be a great portable roll up. Well, the antennas themselves are pretty simple and reliable and can be installed in a. News i have been informed by a local ham that the problem with bad j poles is the fault of the builder. Jpole is a small software application whose purpose is to help you design j pole antennas using a set of straightforward actions. This page is broken ive assigned my best minions to fix it up kb3kai. Below is a javascript for calculating the lengths of tubing to be used for the construction of a super jpole. It is used to design jpole antennas for the desired frequency. Pole barn design software that features costing, material lists, and svg construction drawings for pole buildings. Free online engineering calculator to quickly estimate the geometric size of a jpole antenna. Magnetic loop designer magnetic loop antenna design software by dk1nb. The jpole antenna is a quick and easy plumbers delight. The j pole antenna is a popular antenna design among amateur radio operators because it is effective and easy to build.
Online physics calculator that calculates the long, short section, feed point, spacing dimensions values for current frequency. J pole antenna design calculator by k4abt ham universe. Msdos antenna maker it allows to quickly calculate dimensions for quads antennas, yagi antenna, inverted vees antennas as well as jpoles and traps to. This folding j pole antenna is the original design of mike heiler ka0zlg and was featured on the front cover of the march 2005 qst magazine. Jpole is a small software application whose purpose is to help you design jpole antennas using a set of straightforward actions.
504 1451 774 890 1470 1090 1284 622 1448 758 1146 848 457 77 632 620 1457 1411 1230 596 624 469 613 1361 607 290 635 1478 537 1329 1053 191 601