W3edp balun. I have tried it both ways and it seems to work either way.
W3edp balun quality bagus. The tuner with balun easily tuned the antenna on all bands tried and QSOs were successfully made on 40m. A dipole is basically a mono-band antenna. shortwave wire antennas, double zepp, doubletThe Random Wire Double Zepp I did place a 1:1 choke balun and a lightning arrestor right before the coax entered the house. In May 13, 2009 · 46ft multi-band antenna for small gardens by g7fek. Balun connection NOTE: For an unbalanced antenna like the W3EDP, you should use a 4:1 current balun to provide the required impedance match as well as avoid ground/counterpoise losses associated with voltage baluns. My questions: Nov 2, 2019 · SHORTENED W3EDP ANTENNA WORKS WELL 80-10 WITH KX2. If I did install the 40m efhw, would 80m be useable with the ext tuner? Should I consider other end fed random wires? Most online info I can find suggests these as good lengths. Here I show finalizing the antenna, getting it in the air, and run Dec 23, 2024 · The W3EDP antennaAnt. , the “little one-arm” antenna). 40m was ok and 10m was super quick with a great match. The feedpoint typically presents a complex impedance of 200–500 Ohms, which the balun brings closer to a manageable level for most internal or external tuners. However, it is 85 Ft. I connected the alligator clips to the feed ends of my W3EDP antenna, and connected the BNC to a 6′ length of RG-8X. Transmatch, Antenna_Analysis, Antenna Receiving, Antennas Shortwave, Antenna Switch, Balun, Calculator Antenna, Duplex Oct 19, 2015 · I use a W3EDP antenna, this is essentially a 26. I understand that 84 feet was the length used by the famous W3EDP HF Tranceiving antenna of the 1930's, which also utilized a 17 foot counterpoise. 536 Mar 1, 2024 · As a novice i'm only allowed on 40-20-10m so 80m is of no interest. H. Oct 29, 2025 · The W3EDP Antenna A wire antenna feeded with an unsymmetrical feed and a 1 4 balun can be The tuner with balun easily tuned the antenna on all bands tried and QSOs were successfully made on 40m. I like this antenna because there are no ground radials needed for set This antenna has evolved from the original W3EDP, itself inspired by the ZEPP, and uses an impedance matching section made of ladder-line and a 4:1 BALUN. End-fed Antenna Challenges A so-called random wire antenna is an end fed antenna. Other pages in this section – Antennas: Antenna Safety Your first antenna – the half-wave dipole Sep 27, 2016 · Any W3EDP-like antenna can be viewed in three different ways: a) as a single wire end fed via a parallel line 1/4th its length, b) as an end-fed wire with a single counterpoise 1/5th its length juxtaposed to its proximal section or c) as a wire antenna fed off-center at 1/6th its length from one of its ends with both arms also juxtaposed. In Oct 23, 2016 · W3EDP Antenna W3EDP antenna for 16 - 160 Meters, works by attaching the antenna to a balun and use coax to connect the antenna to the tuner. At the end of the twinlead-feeder a feedpoint impedance in the range of 200-500 Ohm with some complex part +/-j X Ohm. My questions: Sep 5, 2014 · Perhaps the biggest thing my station is missing is an 80m antenna. The connection between the G5RV and the W3EDP is further exemplified b the fact that in Spanish-speaking countries the W3EDP is know as “l a manquita ” (i. Interesting. #hamradio #hamr Mar 3, 2016 · W3EDP Antenna W3EDP antenna for 16 - 160 Meters, works by attaching the antenna to a balun and use coax to connect the antenna to the tuner. It’s been a while since our families got together, so it was fantastic to hang with them. J. I connected the alligator clips to the feed ends of my W3EDP antenna, and connected the BNC to a 6' length of RG-8X. So, test gear is as follows. It is included here because I worked some DX stations operating from portable sites with very strong signals. The W3EDP End-fed antenna is a classical antenna in our series of HS4 Legendary Multiband Wire Antennas. Frederic Benson (NC4FB) ha condotto numerosi esperimenti con quattro versioni del W3EDP (riferimento 9F). ” Connect with my channel by subscribing and commenting Jan 5, 2022 · This past weekend, my good friend Vlado (N3CZ) and his wife came over to the QTH for the afternoon. It details the characteristics of end-fed antennas, including the use of transformers for impedance matching and the necessity of counterpoise wires for effective operation. w3edp antenna for 16 160 meters works by attaching the antenna to a balun and use coax to connect the antenna to the tuner . However, it seems a lot of people are using an 85 foot wire with a 17 foot counterpoise and a 4:1 balun and this is known as the W3EDP antenna. The other end went to a MFJ-900 antenna tuner 50 ohm output and the input of the antenna tuner went to the K2 through a W2DU balun made of a foot of RG316 (Teflon RG- 174) with 12 FB-43-801 beads around the coax. We would like to show you a description here but the site won’t allow us. Left is a non cunducting rope for mounting, right is the antenna wire. Siegel, W3EDP. I… The W3EDP end-fed antenna is a cheap way of getting multi-band operation, especially if you are a newcomer and restricted to 10W. com, JT65-DX. In this video I go the the Island of St Marguerite by sailboat and test the antenna on the boat as well as on land. 1 Nov 13 2020 (added exploded photo of the jack installation) Version 1. I have tried it both ways and it seems to work either way. It is sometimes used on its 3rd harmonic with coax, or used multiband as a doublet with balun, ladder line and wideband tuner. The antennas are fed with current baluns and are performed with insulated wire for electrical installations with a 1,5 mm2 stranded copper-wire. But the benefit is that the Moonraker version comes with the wires ready terminated, an end insulator, indeed all you need other than supports (fibreglass fishing poles are fine). " I have seen this design before also, but with a 4:1 balun. I’ve tried a few types but haven’t managed to find one that works for me, especially on the lower bands like 40m and 80m. Oct 20, 2018 · My QTH isn’t great for antennas. I’ve read that the W3EDP can work on 80m and I’d really like to have that as an option. Listed under the Antennas/W3EDP category that is about W3EDP Antennas. Siegel, W3EDP . 8Mb). puas hati dan berbaloi. . Aug 28, 2019 · KF4ZGZ Ham Member QRZ Page That's nothing more than a (slight) variation of the W3EDP antenna. Sep 11, 2016 · Most online info I can find suggests these as good lengths. But the main gremlin for SOTA is RF breakthrough or worse common mode RF back up in the Mic, causing havoc. Amateur radio antennas are critical components in any ham radio setup, serving as the interface between the transceiver and the electromagnetic spectrum. I really don’t have room for a full, half-wavelength dipole, so I’m looking for options. See the attached schematic of this famous multi-band antenna. com JT65-HF Japanese Edition, Recent, Sperimental Radio - International DX Group, Ham Call Lookup - Windows Phone Sep 11, 2016 · Most online info I can find suggests these as good lengths. Is a good cheap SDR, which I like it so much I may even keep it - such as the waterfall which really helps on a packed 40m band. The document discusses multi-band end-fed antennas, explaining their design, history, and operational principles. W3EDP End Fed Antenna The W3EDP antenna is a form of end fed wire antenna used for the HF bands that was first described in 1936 by H. terima kasih de 9m2waz 1 mo 3 Axl Mazlan The picture above shows the "new W3EDP antenna" which has an unsymmetrical wireman-feed ("Zepp") and a balun 1:4. The other end went to a MFJ-900 antenna tuner 50 ohm output and the input of the antenna tuner went to the K2 through a W2DU balun made of a foot of RG316 (Teflon RG-174) with 12 FB-43-801 beads around the coax. About 2 years ago I made up a W3EDP antenna using some left over wire and a 4:1 balun. I only used actual counterpoise wires when I installed it as an inverted L with transformer a couple feet off the ground. This so-called the «New Version of the W3EDP Antenna» has an unsymmetrical wireman-feed «Zepp» and a balun 1:4. The insulator at the feeding side of the W3EDP antenna. J. This fitting is inexpensive at R30 from the hardware store down the road. Simple design Inexpensive Easy to deploy Jun 23, 2006 · The W3EDP HF Antenna (G3YCC) QRP-L Archives and Articles. The Frontenac Radio Group located in Ontario Canada uses a modified W3EDP Antenna for their field operations. And does the DL7PE Microvert radiate off its feeder? Download the presentation in PDF format with the notes included (8. In Apr 16, 2024 - This antenna has evolved from the original W3EDP, itself inspired by the ZEPP, and uses an impedance matching section made of ladder-line and a 4:1 BALUN. Please note that I will not be describing the construction of the antenna wire radiator here. An excellent DX performer and is an ideal replacement for your half size G5RV Jan 29, 2024 - This antenna has evolved from the original W3EDP, itself inspired by the ZEPP, and uses an impedance matching section made of ladder-line and a 4:1 BALUN. In this video I go the the Island of St Just to remember the old (but still good) antenna tricks, here is a brief description of the W3EDP antenna. I also use a choke balun (fancy name for a bit of feeder coiled up at the feed point) - lots of web references for that. dh smpi pon petang tadi. I threw down 1/4 wave counterpoise wires for 80m and 40m and did ok. Siegel, they attach the antenna to a balun and use coax to connect the antenna to the tuner. I have tested the antenna from 6 m to 80 m with a coax length Most online info I can find suggests these as good lengths. At the time of the experiment, I only had a 4:1 voltage balun available. I have tested the antenna from 6 m to 80 m with a coax length The picture above shows the "new W3EDP antenna" which has an unsymmetrical wireman-feed ("Zepp") and a balun 1:4. Be sure to hook the antenna leg to the "hot" side of the balun, and the short ladder-line only leg to the ground side. In 1. Maybe I need to make a 49:1 version of the Cyclops Most online info I can find suggests these as good lengths. After another bout of whinging about my RF feedback May 7, 2017 · 1:1 HF Balun, The W3EDP Antenna, 4 to 1 Balun, 4:1 QRO Balun, Small Panel Kits, HamRadioEngineering. My questions: Jan 29, 2024 - This antenna has evolved from the original W3EDP, itself inspired by the ZEPP, and uses an impedance matching section made of ladder-line and a 4:1 BALUN. My questions: Apr 15, 2017 · The W3EDP Antenna A wire antenna feeded with an unsymmetrical feed and a 1:4 balun can be tuned from 6 to 80 meters band but can be noisier than a dipole Mar 6, 2012 · It also asks the question is the G5RV really a good multiband antenna? Why was my W3EDP end fed better to the south-east and south west and rotten to the north. 32-33), is likely the best option for a portable, HF multiband (6m - 160m), tuned antenna not requiring wires on the ground. You will also need a half-wavelength length of wire (14 or 12 gauge typically) in order to construct an antenna radiator for whichever ham band you choose. MyDEL products online from ML&S Martin Lynch & Sons Sep 13, 2010 · You can knock working dipoles together very quickly with a bit of plastic covered wire and a connector block at the end of a piece of coax. The 'cabinet' is waterproof and also has breather holes on the Aug 26, 2019 · Suitable lugs were added to the other end of the window line, which attaches to a 4:1 balun. 7 turns bifilar wound on FT140-43 core, for high power use FT240-43 (Amidon) or Fair-Rite RG43 (part number core. Page down and you’ll find a list of links to messages that have appeared on QRP-L that discuss the W3EDP antenna. There are four specific areas we will dive into, the first is the antenna, the second baluns, the third chokes, and lastly the transmission line. 96 from Ham Radio. I am using a Xeigu x6100 which I have learned the hard way loves to become part of the antenna and doesn’t cope well if it does - always choke it. Oct 2, 2015 · W3EDP antenna for 16 - 160 Meters, works by attaching the antenna to a balun and use coax to connect the antenna to the tuner. The only maintenance thus far was replacement of the 4:1 balun in 2016 Antenna loads well using my Palstar AT2X antenna tuner on 6, 10, 12, 15, 17, 20, 40 & 80 metres – even made a contact on 160 metres! Feb 1, 2009 · Some even say that you should feed it as a balanced antenna through a balun, rather than as an end fed with the counterpoise connected to the earth terminal. My questions: 85ft W3EDP end-fed that went up to the top of a 60ft oak tree in my garden with a 17ft counterpoise – the multi-band dipole beats it hands down on 20m and up and offers much lower noise level. Transmatch, Antenna_Analysis, Antenna Receiving, Antennas Shortwave, Antenna Switch, Balun, Calculator Antenna, Duplex a wire antenna feeded with an unsymmetrical feed and a 1 4 balun can be tuned from 6 to 80 meters band but can be noisier than a dipole and cause rf in the shack. I have tested the antenna from 6 m to 80 m with a coax length Here you can find the tree of our categories with full description and current number of links for each category. Instead of using a tuning capacitor and coils for each band as H. I have also used the W3EDP/Z-11/balun combination in the field. I have tested the antenna from 6 m to 80 m with a coax length При этом, вместо дефицитного UnUn 64:1 можно использовать либо популярный BalUn напряжения 4:1, либо согласующее устройство (тюнер), ручной или автоматический, т. This is a followup video to #344 where I assembled the 49:1 UNUN kit from HF-Kits / ARRL. In Mar 18, 2024 · At some point before I acquire a KX2, i was going to do a write up of the Xeigu x6100 if anyone cares. If one can come up with a satisfactory solution to RF grounding, I think this is a most useful antenna in difficult situations or for temporary/portable operation. 2 Nov 20 2020 (added 200 pf input capacitor to reduce SWR) Buy W3EDP ANTENNA MULTIBAND HF ANTENNA 80m-10m MyDEL Wire Antennas online at £49. Listed under the Antennas/End-Fed category that is about End-Fed Antenna. I chose the W3EDP because of its simplicity to build, no radials (space), but if you have an alternative for 40-20-10m which also meets these criteria i'd like to hear it. kemas. The Wikipedia Electrical Length page has this very nice animation of a center fed dipole. The W3EDP is a non-resonant end-fed antenna that relies on an impedance matching transformer (a 4:1 balun) and a counterpoise for efficiency. Background: I plan to activate Utah summits on significant hikes over four days in July. One end goes straight into the rig, often with no feedline, and the other end in the air attached to something as high as you can find, as described on the ARRL random wire page. Ha usato 450 ohm twin-lead e una tensione 4: 1 BALUN (anche se lui raccomanda un BALUN corrente). The W3EDP is a good multi-band antenna that gets a bad rap from some sources, but it doesn’t deserve it at all. Overall length is only 67', so it can be accommodated in the smaller garden, and great for portable operations. W3EDP End fed (10-40m) In 1936, Yardley Beers, W3AWH, described an empirically-derived antenna "designed by the writer's friend, Mr. It covers 7 bands, 10-12-15 Jul 20, 2009 · The tuner with balun easily tuned the antenna on all bands tried and QSOs were successfully made on 40m. Most online info I can find suggests these as good lengths. 200 Ом - более удобное Dec 4, 2024 · The W3EDP HF AntennaAnt. That article seems to be one of the more popular ones I have posted according to the stats for this blog. " It consisted of an 84 foot radiator and a 17 foot "counterpoise. But I wasn’t happy with the tuning and SWR on 20m. While Googling for information on the W3EDP, I also found a great article on building a current-type 4:1 balun on the N0SS website. So, I started to search what is the W3EDP and found this description: In 1936, Yardley Beers, W3AWH Jan 7, 2024 · After a couple of fails I managed to get try a Random Wire working yesterday - tried it on 40,20 and 10. Simple design Inexpensive Easy to deploy Dec 10, 2020 · The Moonraker W3EDP antenna is certainly not unique to them – anyone can build one of these, albeit with the purchase of a suitable balun/unun. Oct 15, 2012 · The balun should come during the week, and hopefully I will get to do some antenna installing next weekend. Apr 2, 2015 · A few years ago I wrote a blog entry on the W3EDP Antenna (HERE). AH-4 and W3EDP Antenna1 - 5 of 5 1 Jun 18, 2023 · This antenna has evolved from the original W3EDP, itself inspired by the ZEPP, and uses an impedance matching section made of ladder-line and a 4:1 BALUN. Per la maggior parte delle configurazioni, è richiesto un sintonizzatore con capacità di adattamento di impedenza ad ampio raggio. " The design has lasted through the years. The construction of the 1:4-balun. 5 metre long wire with a variable counterpoise, fed via a parallel tuned tuner. I have an LDG pro 100plus external tuner. hints for building a w3edp antenna includes the construction of the 1 4 balun by dk7zb. Figure-3. W3EDP mini Antenna Multiband 40-10m VA3PCJ, Antennas for Amateur Radio, Ham Radio. Just to remember the old (but still good) antenna tricks, here is a brief description of the W3EDP antenna. So what about it’s mini (1/4 size) version? A real “slap it up and get on the air antenna. I included the tools I W3EDP apparently devised this antenna sometime during the 1930's, so it is likely the original configuration worked just fine with vacuum tube finals and link coupling. Aug 15, 2016 · The "senior" (full-length) W3EDP, as originally described (QST March 1936, pp. My questions: Most online info I can find suggests these as good lengths. My questions: Apr 15, 2017 · The W3EDP Antenna A wire antenna feeded with an unsymmetrical feed and a 1:4 balun can be tuned from 6 to 80 meters band but can be noisier than a dipole My shack is only a few feet from where the balun would be, so maybe 10 feet of coax max. I will be using my lightweight setup with a lower mast (~16’) and a new Par end fed 40/20/10 to upgrade from a mono band 20 meter Dec 4, 2024 · The W3EDP HF AntennaAnt. I built the 40 m coupler into an exterior light fitting. It was noisy and worse than […] May 22, 2016 · It requires a 4:1 balun or unun (to further reduce the impedance of the parallel line) and a tuner. The article was written by W1CG. See more here! This so-called the «New Version of the W3EDP Antenna» has an unsymmetrical wireman-feed «Zepp» and a balun 1:4. Transmatch, Antenna_Analysis, Antenna Receiving, Antennas Shortwave, Antenna Switch, Balun, Calculator Antenna, Duplex Mazlan's post Axl Mazlan Sep 11 ~ W3EDP Antenna ~ ~ 4:1 BALUN ~ ~ 30W ~ " Versi Xiegu G90" 🌍 De 9W2AXL Dunia Zumal and 36 others 37 12 Iruan Jaafar Dh order yg 100w punya. Optimal are the combinations 10-15-20m for the classic bands and 12-17-30m for the WARC-bands. Feb 14, 2022 · The following is a list of materials required to make a 49:1 unun impedance transformer for an end-fed half wave antenna. All of these items are necessary in virtually every antenna installation regardless if it’s a simple vertical, dipole The picture above shows the "new W3EDP antenna" which has an unsymmetrical wireman-feed ("Zepp") and a balun 1:4. So, I started to search what is the W3EDP and found this description: In 1936, Yardley Beers, W3AWH A good idea to try my own extra’s. I asked “what antenna are you using” and they replied “a W3EDP”. Yes, with the recent surge in popularity of the end-fed half-wave antenna, the 49:1 balun has also become the defacto ratio for use with them. Same price. The picture above shows the "new W3EDP antenna" which has an unsymmetrical wireman-feed ("Zepp") and a balun 1:4. I took down that antenna when the tree supporting it had to be cut down This antenna has evolved from the original W3EDP, itself inspired by the ZEPP, and uses an impedance matching section made of ladder-line and a 4:1 BALUN. Works well on 80m. The most common half-wave antenna is the center-fed dipole, whose impedance is approximately 72 ohms. A 4:1 balun would probably work much better. Kind of a "W3EDP Jr. This has the advantage that band changing is done at the operating point with no need to move around changing links. Specifications: Works well on 80m and 40m Length: 67' Maximum Power: 400 watts Requires ATU Packag Peter G3OJV, injects a bit of humour into the EFHW Antenna topic. The whole thing is not similar to a zepp it is a short zepp. Masts and Mounts, Ant. So my setup is: Xeigu x6100 on 10w Dec 4, 2013 · A version of the ancient W3EDP antenna was published in the South African QRP handbook. My question is: Does my receive-only antenna need this counterpoise? Sep 22, 2013 · Figure-3 shows the balun connection. Antenna connected to homemade 4:1 balun with some mini 8 coax (about 7m) hanging outside a downstairs window. . Antennas for Ham Radio, Antennas for Amateur Radio. ) Tags: 4:1-Balun , Balun , Coax , Horizontal , Inverted , Ladder , Long Wire , Slop , Tuner , Vertical , W3EDP , Wire Antennas for Ham Radio, Ham Radio Antennas for Amateur Radio, Dimensions of the antennas presented below are either in: feet ('), inch ("), meters (m), or centimeters (cm). In need of a quality antenna? W3EDP Multiband HF Antenna is 67 inches long and incorporates the counterpoise in the 300 ohm ribbon cable. For a while, I used a W3EDP antenna, but to be honest, results were mediocre at best, and since the tuner I used was in the shack, there was always RF in the shack. The W3EDP design is a well regarded antenna. Various configurations and tuning methods are presented, along with historical references to notable designs This happens with the bands 10-12-15m or 15-17-20m. The antenna is fed with a Transmatch-Tuner and Baluns 1:1 or 1:4 for the bands 40m and up Construction Details 49:1 Un-Un For End-Fed Resonant HalfWave Antenna by Gordon Gibby Version 1. My end fed antenna experience is limited. long, often too long for vertical deployment with telescopic poles and not too practical in highly constrained… Aug 14, 2024 · Built the W3EDP antenna using 300 Ohm window-line, 22 gauge wire for the 67’ element and a small 4:1 balun purchased on Amazon. The choke helped reduce noise on the bands some. My questions: Jun 6, 2021 · Looking for advice on how those of you with more experience with end feds configure the antenna and perhaps the pole as well. (I'm using this LDG voltage balun, though this similar current balun is probably a marginally better choice. In the end, this W3EDP will be configured as a horizontal “L” as you can see from the diagram. e. In this article I will cover several topics given that the subject is about building an Antenna System and not just the antenna. #hamradio #hamr Based on the well known W3EDP design, this version incorporates the counterpoise in the 300 ohm ribbon cable. Antenna raised in a V shape with the balun box at ground level and the antenna supported about 1/3 of the way down on an aluminum mast approximately 8m off the ground. I had 2 hours spared in the countryside in between the family trips, so I took this opportunity to test my experimental shortened W3EDP antenna in This antenna has evolved from the original W3EDP, itself inspired by the ZEPP, and uses an impedance matching section made of ladder-line and a 4:1 BALUN. к. At the end of the twin lead-feeder a feed point impedance in the range of 200 – 500 Ohm with some complex part +/-j X Ohm. The Balun 1:4 gives impedances, which can be matched by the built-in ATUs of the most transceivers. 73 PS: I've seen them build with a 4:1 balun and a 4:1 unun, balun or unun doesn't matter? My W3EDP / VA3QV antenna was put up in 2009 with the help of Ken, VE3XBL. rnpkrzfhbfjmjcpvdflyubvlbxldiuenswyfsoechrubirrzgpismvpirwoufjxnfokiqxtiu