W3edp updates. 5 wavelengths up to get a nice ground reflection main lobe.

W3edp updates. 5 wavelengths above the ground.

W3edp updates Below are some more variations on the good old W3EDP "Zepp". The node is acting as a bridge from a local repeater over the air. G. ” May 22, 2016 · The connection between the G5RV and the W3EDP is further exemplified b the fact that in Spanish-speaking countries the W3EDP is know as “la manquita” (i. U. Pro provoz je potřeba anténní tuner, podle místa a způsobu montáže je možné použít i interní tuner v transceiveru. that is an additional counterpoise. So, I started to search what is the W3EDP and found this description: In 1936, Yardley Beers, W3AWH, described an empirically-derived antenna “designed by the writer’s friend, Mr. My QTH is extremely restricted. (01/06/2000) W3EDPEnd-fedMultibandAntenna CharlesLofgren-W6JJZ Justtoremembertheold(butstillgood)antennatricks,hereisabriefdescriptionof theW3EDPantenna. He used 300 ohm twin-lead and a 4:1 UNUN, with a 1:1 current choke between the UNUN and the coax to the tuner and transceiver: UPDATE 2: I used the W3EDP with the Elecraft KX3 and its built-in KXAT3 automatic tuner for the 2014 Arizona ScQRPions "Freeze Your B___ Off" contest. Attach the bundle to the tuner in place of the counterpoise pictured above. Anténa je dodávána kompletní a sestavená. The article was written by W1CG. I started to search what is the W3EDP and found this description: In 1936, Yardley Beers, W3AWH, described an empirically-derived antenna "designed by the writer's friend, Mr. Aug 15, 2016 · The "senior" (full-length) W3EDP, as originally described (QST March 1936, pp. The resource has been on our site since Sunday Oct 23 2011, and it has been viewed 1340 times. 18m) counterpoise was good for 3,5, 7. J. See the attached schematic of this famous multi-band antenna. That said, after looking at antenna designs, I think I can manage to get a W3EDP antenna set up. 5 wavelengths above the ground. Tuning the W3EDP on 40 and 20 is fairly sharp. but I like paper Email: Login required to view Platinum Subscriber Lookups: 7472 Some folks have told me the modifications below make the antenna something other than a W3EDP. The resource has been on our site since Saturday Apr 15 2017, and it has been viewed 804 times. 0m) for 10 MHz and no counterpoise was needed for 24 and 28 MHz. The antenna worked exactly as advertised on the Blog with many stations being worked in Europe and the USA. 5 wavelengths up to get a nice ground reflection main lobe. I verified the KXAT3 easily and quickly tunes the W3EDP with the 4:1 balun on all bands 10m through 80m, inclusive; the 17' counterpoise wire was left connected for all bands. Hi all Has anybody used or experimented with a W3EDP. ” It consisted of an 84 foot radiator and a 17 foot “counterpoise. He also touches on it's history, which dates back to 1909. The more modern design uses a 4:1 balun but I would leave that out and replace with the AH-4. Siegel used the traditional method of "cut and try" to arrive at an antenna length that would work satisfactorily on 160, 80, 40, 20, and 10 meters. I mainly use the simple Edp with a Wonder Widebander as an Atu with a Bnc to screw post adaptor to connect the long wire and counterpoise. c. Dec 29, 2024 · Note- my diagram at the end of the video should follow the order of RADIO -- TUNER -- UNUN -- ANTENNAHow does the W3EDP work? Why has it stood the test of ti The title of the main category is W3EDP and it deals mainly with W3EDP END-FED Antenna. The title of the main category is W3EDP and it deals mainly with W3EDP END-FED Antenna. The W3EDP multi-band HF wire antenna is popular among QRP enthusiasts because it is light weight and cheap. Last update: Jan 21 The picture above shows the "new W3EDP antenna" which has an unsymmetrical wireman-feed ("Zepp") and a balun 1:4. w3edp antenna for 16 160 meters works by attaching the antenna to a balun and use coax to connect the antenna to the tuner . is used. ” Posted on August 15, 2016 by Jose VA3PCJ The “senior” (full‐length) W3EDP, as originally described (QST March 1936, pp. Login is required for additional detail. Antennas/W3EDP; The title of the main category is W3EDP and it deals mainly with W3EDP END-FED Antenna. 50/10 Last updated: 2015-07-28 The W3EDP is a simple antenna: it comprises a 17 Ft. The dipole will have an SWR of 1. The antenna described in the article was developed using “the cut and try method” by H. At the end of the twinlead-feeder a feedpoint impedance in the range of 200-500 Ohm with some complex part +/-j X Ohm. Sep 20, 2016 · The W3EDP Jr. Jan 21, 2025 · W3EDP END-FED Antenna category is a curation of 16 web resources on , The W3EDP Antenna, The W3EDP 85 ft end-fed antenna, W3EDP Antenna Notes. Siegel, W3EDP. The resource has been on our site since Thursday Nov 21 2013, and it has been viewed 1124 times. Create a "bundle" of counterpoise wires, 1/4 wave length for each band you will use. The resource has been on our site since Thursday Feb 16 2006, and it has been viewed 7219 times. no Wire on the Ground: the “W3EDP Jr. Figure-1 is a diagram of the original W3EDP antenna. Sie ist einfach aufzubauen und kommt mit wenig Platz aus. H. A modern description is in Heys, Practical Wire Antennas May 30, 2013 · May update this post (or just make a new one) in a week or two if I decide to put up a North/South W3EDP. The propagation really wasn't that good so the DX results I did get, Switzerland, Belgium, Holland, and Anguilla, impressed me. So far it received 4 votes for a total score of 6. " It consisted of an 84 foot radiator and a 17 foot "counterpoise. Tuning the dipole is sharper on 20 than 40, but not nearly as sharp as the W3EDP. Angepasst wird sie über einen Antennentuner. Oct 20, 2018 · The diagram above gives an additional component to the ‘normal’ W3EDP antenna. com/2012/05/w3edp-antenna The title of the main category is W3EDP and it deals mainly with W3EDP END-FED Antenna. The resource has been on our site since Monday Jan 31 2011, and it has been viewed 3998 times. uk - updated: 27 March 2010 Jan 5, 2022 · The Antenna-a-Month is a nice addition to your 2022 Activation Challenge, Thomas. NC4FB explains his experiences with the normal design and I have to say I had similar experiences. 32‐33), is likely the best option for a portable, HF multiband (6m – 160m), tuned antenna not requiring wires on the ground. Dec 12, 2021 · Fiori Films Presents Ham Radio TV: What is a W3EDP Antenna John, WB6V explains what a W3EDP Antenna is and talks about his personal experience with it. Listed under the Antennas/End-Fed category that is about End-Fed Antenna. G. Here is the config Status updates ; END OF FIRST NODE Go up my friend! Horizonal antennas particularly like to be ~0. W3EDP Jr. It consists of an 85ft wire fed against a 17ft counterpoise (attached to the earth point on the ATU). Siegel, W3EDP probably around 1934. Anténu lze namontovat jako invertované L, sloper nebo vodorovně. So far it received 2 votes for a total score of 10. wire up into the trees, connected it to the T-1 longwire antenna tuner, and then put the antenna tuner on it. Siegel (W3EDP). The W3EDP (as with any end-fed wire) offers simplicity and a high degree of flexibility in terms of band coverage, provided a suitable a. Some folks have told me the modifications below make the antenna something other than a W3EDP. (03/03/1998) An article by Charlie Lofgren, W6JJZ, from QRP-L analyzing the W3EDP antenna. 98m), lengthened to 23 ft (7. For a camera I'm currently using the v2 Pi Camera, but will be adding a Borescope which will be positioned to look closely at the print head to see how the adhesion is going. Any ideas or views please. 00/10 Last updated: 2022-10-14 Sep 22, 2013 · A description of the W3EDP antenna entitled An Unorthodox Antenna was published in the March 1936 edition of QST. I thought I’d give this a go based on a bit of background reading I did. " © 1988 - 2009 Mike Dennis, G7FEK. long wire for a total physical length of 85 Ft. 00/10 Last updated: 2022-10-14 I asked “what antenna are you using” and they replied “a W3EDP”. Namely that the swr was quite high and it was not • My W3EDP / VA3QV antenna was put up in 2009 with the help of Ken, VE3XBL. I also have to plan for the skeeter sprint, so tweakin' out my setup for that will consume my ham radio time. I can tell you that it works very well with 5 watts. ” VARIATIONS ON THE W3EDP. - Website: www. Jan 7, 2024 · As Armin says, the dimensions are those of a W3EDP antenna. A good time to try a different antenna! A version of the ancient W3EDP antenna was published in the South African QRP handbook. However, if you is to implement a W3EDP antenna, care should be taken to d. , the “little one-arm” antenna). So far it received 1 votes for a total score of 5. The resource has been on our site since Saturday Nov 23 2013, and it has been viewed 1217 times. The W3EDP is an ideal I asked “what antenna are you using” and they replied “a W3EDP”. Report to Moderators I think this message isn't appropriate for our group. The resource has been on our site since Monday Oct 24 2011, and it has been viewed 2144 times. UPDATE 11/19/06: This afternoon, I strung an 85-ft. Go up my friend! Horizonal antennas particularly like to be ~0. Apr 2, 2015 · The W3EDP is a good multi-band antenna that gets a bad rap from some sources, but it doesn’t deserve it at all. u. For the original W3EDP antenna, see Yardley Beers, W3AWH, "An Unorthodox Antenna," QST, March 1936, pp 32-33. José Campione (VA3PCJ) has built and assed several versions of the modern W3EDP. One such antenna is the W3EDP end fed. IworkedsomeDXstat May 2, 2012 · When the tuner tunes the W3EDP antenna, I can use the 40m dipole. 5 ft (1. (03/07/1998) An archive of articles from QRP-L discussing the W3EDP, with comparisons to a dipole and a vertical. If you experience internet connection issues while updating your device, see Fix Wi-Fi connection issues in Windows . He used 300 ohm twin-lead and a 4:1 UNUN, with a 1:1 current choke between the UNUN and the coax to the tuner and transceiver: Feb 17, 2014 · The "classic" W3EDP antenna has been around since March 1936 when Yardley Beers (W3AWH/W0JF) described a multiband antenna built by his friend H. Nov 26, 2024 · W3EDP USA. The resource has been on our site since Tuesday Jan 19 2016, and it has been viewed 942 times. W3EDP MOD. 0 and 21 MHz but for 14 and 18 MHz it needed to be shortened to 6. 00/10 Last updated: 2020-06-25 Antennas/W3EDP; The title of the main category is W3EDP and it deals mainly with W3EDP END-FED Antenna. 1. 00/10 Last updated: 2019-08-14 If you're warned by Windows Update that you don't have enough space on your device to install updates, see Free up space for Windows updates. QSL: DIRECT OR VIA THE BUREAU, LBOTW also works. e. I built the 40 m coupler into an exterior light fitting. Even higher, low angle radiation will improve a little, but much energy will go into a second higher elevation lobe which grows above 0. Jun 23, 2006 · 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. blogspot. The resource has been on our site since Friday Oct 28 2011, and it has been viewed 1585 times. Whichever way one looks at it, the radiating wire is a 1/2 HWL (Half Wave-Length) wire for 80m, 1 HWL for 40 m, 2 HWL for 20m and 4 HWL for 10m. In Hey all, Looking for comments about using an AH-4 at the base (as the matching device) for the W3EDP zepp antenna design. The W3EDP antenna is a design developed in 1936 and has found recent popularity with the Summits on the Air group and also Qrp enthusiasts. 5:1. 32-33), is likely the best option for a portable, HF multiband (6m - 160m), tuned antenna not requiring wires on the ground. Jul 20, 2009 · An article by James Duffey, KK6MC/5, from QRP-L about the W3EDP and other long wire antennas. The Group moderators are responsible for maintaining their community and can address these issues. eine neue W3EDP eine Lösung sein. VARIATIONS ON THE W3EDP. Years ago G3BDQ took a close look at the W3EDP and found that the 17 ft (5. t. 8MHz. Last night I tried both antennas out on 75m. Based on the well known W3EDP design, This version incorporates the counterpoise in the 300 ohm ribbon cable. 00/10 Modified date: 2020-10-19 Go up my friend! Horizonal antennas particularly like to be ~0. • 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 – The title of the main category is W3EDP and it deals mainly with W3EDP END-FED Antenna. Recently while surfing the net I can across a couple of articles written by Fred Benson , NC4FB , about some experiments he had conducted using the W3EDP antenna. Overall length is only 67', so it can be accommodated in the smaller garden, and great for portable operations Key Features/Specifications: Works well on 80m and 40m; Length: 67' Requires ATU The MINI (1/4th) W3EDP – A Special Design for a Balcony Down South Posted on September 27, 2016 by Jose VA3PCJ Much as any boat, a radio‐amateur antenna design is always a compromise between performance (efficiency, in the case of an Mar 17, 2018 · Die "neue W3EDP" hingegen ist eine Mehrbandantenne die mit einem 1:4 Balun und einem Stück Zweidrahtleitung auskommt. The W3EDP antenna was first described in the ARRL’s QST magazine in 1936. Jan 21, 2019 · OctoPrint is very straight foreword you can pull an image from the OctoPrint site and burn it to a micro SD card in a few min and follow the setup steps. . It is also used as a portable antenna for Field Days and other similar events. I like it ! As far as the doublet antenna, do you have any thoughts or guidance about how other forms of “twinlead,” such as 450 ohm ladder line, 300 ohm twinlead, lamp cord, or even two conductor phone line cable, may work in place of the MK-911 mil-surplus twinlead? The W3EDP Antenna, compacted for storage, It desires to be deployed!Here's the accompanying blog article: http://skattagun. 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. The resource has been on our site since Monday Jan 31 2011, and it has been viewed 2644 times. This is where the most difference was noticeable. Bert 73 Dave M0GGK Antennas/W3EDP; The title of the main category is W3EDP and it deals mainly with W3EDP END-FED Antenna. co. The article was authored by Yardley Beers, W3AWH. I decided to see if the W3EDP antenna could be optimized by adjusting the counterpoise lengths for each band. UPDATE 2: I used the W3EDP with the Elecraft KX3 and its built-in KXAT3 automatic tuner for the 2014 Arizona ScQRPions "Freeze Your B___ Off" contest. Wer in seinem Garten keinen Dipol unterbringen kann, für den könnte u. g7fek. " To improve the design, I made a W3EDP antenna in Zepp formation. 73! Dec 4, 2013 · After a major hail storm here my end-fed halfwave was destroyed. May 14, 2011 · A W3EDP is an end-fed zep! Well, I guess you should say that a classic W3EDP is a pragmatic zep, because the matching section of line goes wherever you want, as a mislabeled "counterpoise. " I started to search what is the W3EDP and found this description: In 1936, Yardley Beers, W3AWH, described an empirically-derived antenna "designed by the writer's friend, Mr. isolate the counterpoise system as described unless a Z-match a. So far it received 2 votes for a total score of 9. Sep 30, 2019 · w3edp September 30, 2019, 6:31pm 3. stretch of twin lead with one of its wires connected to a 68 Ft. I use about 85ft on one side elevated as high as poss (usually about 16ft) and a couple of different counterpoise lengths depending on band (1 about 17ft and another about 6ft) this tunes quite well. W3EDP’s objective was to build a multi-band antenna. ilhdm owdmq grw clwje vbpdi yjnhh lhmtq xbzp pyl yyie xgfz gpojft vwjrvub hhwgmecf vevup