WebThe G0KYA EFHW – an end-fed half wave monoband HF antenna, plus two multiband versions (New!) A practical, cheap monoband or multiband (new!) vertical antenna that is great for DX and very cheap to build. Steve Nichols G0KYA Contents 1. An overview and where it all started 2. Using the EFHW for 20m at GB0CMS 3. WebNov 21, 2024 · Feeding the EFHW wire with a 1:50 - 1:60 impedance transformer (unun) instead of an EFHW tuner incorporating a capacitor makes it far less sensitive to the environment stopping the SWR from varying wildly. ... antenna for 80-10m Steve Nichols G0KYA A shortened multiband antenna, about 23m long, for 80m-10m that offers low …
The G0KYA EFHW – an end-fed half wave monoband HF antenna
http://www.n5dux.com/ham/files/pdf/G0KYA%20EFHW%20Antenna.pdf Web1 A portable multi - band End-Fed half Wave ( efhw) antenna for 40-10mSteve Nichols G0 KYAI ntroductionA few people have asked about the 30mantenna Norfolk Amateur Radio … population of arnprior ontario 2021
G0KYA
WebI tried to build a multiband EFHW antenna as described in articles by PA3HHO, PD7MMA, G0KYA and many others. I decided to start with a short 40/20/(15?)/10 meters version … WebThe M0CVO HW-20HP Off-Centre Fed Dipole, RadCom Review, 01/2012, Steve Nichols G0KYA Multiband antennas can be a bit of a compromise. Long doublets, G5RVs etc can have complex radiation patterns on the higher bands, which can make it a little bit of a lottery as to whether the station you wish to work is on a lobe (good) or in a null (not so … Steve Nichols is an author, freelance journalist, photographer and communicator specialising in aerospace,science and technology. See www.infotechcomms.co.uk for more details. View my complete profile population of arnprior ontario