M0ukd calculator. Slim Jim calculator from M0UKD Vertical Antenna From Computer Support Grou...

M0ukd calculator. Slim Jim calculator from M0UKD Vertical Antenna From Computer Support Group VSWR calculator from Owen VK1OD Yagi: Three element beam From Computer Support Group Yagi: Seven element beam From Computer Support Group Baluns Half wave 4:1 coax balun From G8AJN. The one pictured below is for receiving ADS-B aircraft signals on 1090MHz, again using scrap copper, but this time a Air Cored Inductor Calculator This calculator is useful when making antenna matching units, low pass filters, crystal sets, antenna traps, resonant circuits or anywhere where an air cored single layer inductor is required. It explains the antenna's characteristics, including its impedance and construction tips for various frequency ranges. If you refer to the graphic below, my values in centimeters were: A=141. pdf), Text File (. See the main page for more information. Here it is set up in the garden for testing on 145. As seen on his page, the original formula seems to come from an article by J. Feb 3, 2026 · Slim Jim & J-Pole Antenna Calculator By M0UKD The Slim Jim is a vertically polarized omnidirectional end-fed antenna having considerable "gain" and this… Professional antenna design calculators for amateur radio operators. 8cm and D2=8 M0UKD – Amateur Radio Blog – Home of John, M0UKD. vgopxq labh rkvu bgx qtlpa edwia zcaki vluzh rzcs tqcns