2 meter vertical antenna homebrew Two Meter Vertical Loop Antenna. 2 (148 MHz) then the antenna is working better at lower frequencies. 000 MHz. Post #1225. I was easily able to build the antenna and get it set up on my balcony in a day, including several coffee breaks as I went. In the true spirit of homebrew simplicity, matching is not called for, Around 1954 to 1956 he was asked to develop a gain vertical antenna by Communications Products Company of New Jersey. Within that gizmo is the 50 ohm to Hi Z matching device. While still using copper pipe, you 160/80/40 Meters - 55-Foot Vertical From K5OE VE3GK's Homebrew Site-- 80M Rotating 2 element Quad 2 Meter Antennas 2M/440 MHz Dual Band Copper J-Pole From N7QVC There is a collinear antenna called the DBJ. If epoxy is used, it would be ad- visable to roughen the inner surfaces of the plastic adapter to provide some "bite. etc, I decided, with the assistance of my son and daughter, to construct a 1/4 wave vertical for 75 meter phone in an excellent area of my property that was really well fertilized as antenna farms go. You can use a piece of 20mm conduit for the former of L2 with a. Fortunately there is an antenna that is inexpensive and simple to build with a minimum amount of parts and tools. 45dBi gain with only three elements. 5 ft. This is what I want to build for my 10 meter half wavelength vertical antenna. lengths. For any vertical collinear array, the only place from which to obtain energy for increased gain at lower elevation angles is from the high-angle energy In this video I show how to make a 2 meter dipole Antenna for use with a HT for a SOTA activation. Works fine for me. Aug 16, 2012 · Today, I’m going to show you how you can easily build a homebrew 2 Meter ¼ Wave vertical antenna for under $10. Ever notice that gizmo at the base of your ½ wave or 5/8 wave two meter mobile antenna? It’s a cylinder about 2 to 3 inches tall and about an inch round. “The ARRL Antenna Book: The Ultimate Reference for Amateur Radio Antennas, Transmission Lines And Propagation. Deam Straw. Antenna Engineer 8/12/2009. One of the most effective HF moxon antennas I've seen was a 20 meter CW constructed by a Southern California radio club for Field Day. The lower cone is a decoupling sleeve for the antenna mast. Reply A 2 element beam antenna for 10 meters band. Dec 13, 2024 · 20 Meter Homebrew Portable Ground Plane Antenna. This was a little more advanced than I thought it would be! 2-Meter Homebrew Mar 19, 2023 · Those work ok on 2 m but on 70 cm the radiation pattern is terrible. I adjusted the half wave and quarter wave sections for Velocity Factor and started cutting and assembling. To secure the antenna I built an "H frame" structure from 2" PVC pipe and used 1" PVC for the riser. Oct 12, 2015 · antenna projects for 10 meters band category is a curation of 88 web resources on , A 10 metre EH Antenna, Dualband-Moxon-Beam for 10 m and 6 m, The flower pot antenna. Actually decided to try my hand at a full wave 2 meter Vertical antenna. In this case there is seven 1/2 half wave elements, plus 1/4 wave ones on the top and bottom. Which makes it more difficult to deploy the radials when in a heavily wooded POTA activation. May 28, 2012 · Remember “Lower, Longer. You'll need to isolate the antenna from ground. It has gone through a few revisions over the years There's always something satisfying about a homebrew antenna that generates memorable QSOs. Do a simple Google search for DBJ Antenna and you'll find his links. Resources listed under 10 Meter Antennas category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. PVC-Yellow striped same O. 2 meters from end to end: check the listings carefully: Note the difference between the "stretch" column and the "specification" column. Boom= PVC "T"s and 1/4 wavelength tubing very simple but effective HWV antenna for 160 meters. 1/2 wave antenna principle. For other bands (i. Mating your coax to ladder line. Sep 22, 2020 · Any antenna project will include more than the price of the antenna but by using some parts I already had on hand and adding an inexpensive TV rotator, I was able to install the antenna at a reasonable cost. The goal here is to put up a cheap, easy, and quick 2-meter antenna that is simple and unobtrusive, but works Project 7. ” American Radio Relay Leauge; 21st edition (May 2007) Peter Knott. Still, if 2 meters is pretty much what you do, and you need to hit West Valley City on simplex from Orem, this might be what you’re looking for. This antenna is similar in construction to the 2-meter OFC sleeve dipole I built over 8 years ago, but it is a simple center-fed dipole. I am an Earchi user here as well, great antenna to experiment with and a super value for a new ham. The YT clowns have probably never heard of antenna modeling. 1 1/4 meters) there will be a few more 1/2 wave elements in the middle. Pay no attention to the wire going-off horizontally from the base. Today we’re going to build a simple ground plane for the VHF 2 meter band. PVC sections bolted together, and ½ wavelength of antenna wire helically wound around the PVC sections. It is a 24. The fabulous homebrew 10 Meter WonderBar Antenna* SWR 1:1 over entire band, great DX, rotateable by hand, 8 ft long - build for about $20! This article taken from the 12 ARLHS NEWSLETTER • VOL. 2m" may not actually be 7. DIY portable HF vertical antenna under $125. by Steve (KM4FLF/VA3FLF) Last spring, I was going through my many boxes of ham “stuff” looking for items to sell at our club tail gate sale. 5 dB increase in gain. A really quick antenna for 2 metres and 70 centimetres, made from just 2 metal coat hangers and a small length of strip connector just add the fun. Resources listed under Antennas for 80 meters band category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. 30 November 2024: new articles, videos; 29 November 2023: RF Exposure evaluation, Ten-Tec AC5 balanced antenna tuner; 5 May 2023 – added Link Dipole article and more alternatives to knots Aug 5, 2012 · J-pole is my favour vertical. On 40 meters, they are approximately 33 feet long. Build a W3DZZ Antenna; A portable 2-element VHF yagi; Assembling GAP Titan DX Antenna; The Galaxy Dipole; Pfeiffer Maltese Quad Antenna System; Magic Anti-Jamming antenna; D3+ High Performance Antennas; EH Antenna for 40 and 20 meters; Homebrew G5RV; 40 meter mini Moxon Antenna; EH Antenna for 10 meter; Quad and ModQuad Antenna; Inverted U Mobile whips for 10 meters can be a good CB antenna shortened for 28 Mhz. 73! 🙂. ATS3B QRP QSO with Indoor Antenna. Post #1 A Ground Plane antenna project for 10 meters band by N4ZAW. 6” dual How I eventually reached success with a 2 Meter 5/8 Wave Antenna. Beginning the Sep 22, 2020 · Any antenna project will include more than the price of the antenna but by using some parts I already had on hand and adding an inexpensive TV rotator, I was able to install the antenna at a reasonable cost. Adobe Reader required. 0-2. If you find one of these at a hamfest for $20, buy it. May 1, 2024 · 20 Meter Half Wave Vertical Antenna; 40 Meter Wide Band 3 Element Quad Designs; 40-Meter Wire Beam; 80 Meter Wire LPDA’s; A 100-1000MHz Utility LPDA; A Double-Knee Tilt-Over Mast; A Giant 40-Meter Wire Beam; A Matching Network for the DDA, CFA and Similar Antennas; A Most Unusual Experiment; A Multifunction Antenna Support; A Point to Ponder Mar 1, 2021 · Here's an interesting antenna design for radio amateurs exploring the 630 meter and 2200 meter amateur radio bands. I made this 2 meter homebrew antenna in May 1982, previously I used a 5/8 l for local communication. Short Vertical for 160 meters by I5CDF; The Lattin 5 band Antenna; 55′ Vertical Antenna For 40/80/160 Meters; DL2HCB Multiband Delta Loop; 80M Vertical Antenna with Capacitance Hat; J-vertical Antenna for 10 meters band; 6m/10m Dual Band mobile whip; 6m 1/2 wave Melrose Vertical; VK5AH – HF 4 Bander Antenna Construction & Adjustment Tips A Quick and Simple 2 Meter Ground Plane Project! If you are just getting experience in building antennas or you are an old pro, here is a simple and fun project! This antenna is perfect for those hams living in the primary coverage area of the repeater for 2 meter use. 1:1 SWR at 146. I rounded up all the supplied I needed to make this antenna, and headed over to the workbench and built and tested my newest antenna for ham radio. The antenna has an SWR of roughly 1. I use one outside for 2m work and another one inside for APRS. Measure and cut top element to 37 1/2 inches length, this element is the only one, with END EFFECT on it. As copper. I was using a 10 Watt FT221 2 meter and Asahi 5/8 vertical antena factory claimed gain ± 3. However, this antenna would also work great in a permanent installation. You’ll get J-pole performance from this base station vertical antenna built with coat hangers and PVC pipe. He could also construct a half wave dipole fairly easily and it would work about as well as the quarter wave vertical if mounted in vertical orientation. A 2 element beam antenna for 10 meters band. Homemade vertical dipole for HAM 2 meter and 7 The W7LPN 2 - 440 Vertical Collinear Antenna Project with a 6 Meter Surprise! by W7LPN ~ Rick Frazier UPDATE! Download the updated and easier to build (12-08) version It is a pdf file and is under 1 meg file size. Add Review Feb 13, 2016 · Build a portable VHF yagi antenna for 2 meters. Sure, its ugly. Apr 28, 2015 · Shop for 2 Meter Antennas here. Bare 3 inches and make a 1/2 inch loop with your #12 stranded wire and solder the loop good, this will have all of the weight of the antenna on it. In fact, I was a bit cynical about ever being able to put up an effective 160 meter antenna from my rather small California city lot. The 3 element 2 meter (designed for 146mhz) quad in this project has a very small footprint (boom length) of about 32 1/4 inches and according to the computer guru's out there, it has about 9. 3 dBd and at 10m height above real ground it's 8. The antenna comes in a small box with many of the parts pre-assembled. How To: Solder a PL259 to Coax. e. Use one with a large, efficient loading coil or use a full quarter-wave. Since an old 5 element version (v1) of my antenna was shown in the July 2011 edition of RadCom, a few people have contacted me asking for some information on how it was constructed. Cebik web site – requires registration (free) Commercial 2M 70cm Slim Jim – N9TAX. Building the 2 Meter Yagi Antenna Antenna Unboxed. It works great, and a lot of people do not know what they are. However, the SWR stays close to 2:1 across the entire 2-meter band. I am not sure where I obtained them, but I decided they were keepers. His version is meant to be a portable antenna that easily slips on a vertical rod’s top. See latest feedback near bottom of article! That's 20, 17, 15, 12 and 10 meters! Jan 21, 2025 · Antenna projects for 80 meters band category is a curation of 184 web resources on , The Hudson antenna, K5LAD 80 meter antenna, Vertical antenna for 40 and 80m. ” If SWR goes continuously higher from 1. I've made J-poles for 2m, 6m and 10m. 2 Meter Slim Jim Antenna using 300 Ohm Twinlead. Note: Just to be clear, most of the images show for the 2-meter band. Jul 14, 2021 · Not so long ago I built my version of The Home-Brew SKYLAB Starduster for 26 - 30MHz, Super simple to build with just 10 metres of wire and a length of coax. Without Radials . The resultant antenna dimensions being a bit too long for the 2m band in this region and being a bit too short, in lengths, for the 70cm band. When you strip down and re-shrink an antenna, be careful because some heat shrink tubes can change the antenna’s resonance, especially with helical windings. Regards, Bart . And here's the guide for you. The average height of the collinear is about 2 meters higher, compared with a single 1/2 wave, so this will also play a part. W7LPN VERTICAL DIPOLE (The simple method. and it was able to tune it pretty much flat on 10,12,15,17 and 40 meters The KJ4IIF 75 METER 1/4 WAVE COW PASTURE VERTICAL "Barn yard 75/80 meter DX fun" Using aluminum tubing scrounged from various and assorted places, friends, broken beams etc. the cow pasture!! Can you use a pipe cutter or a hack saw, can you solder – then here is how to build a SIMPLE ”J” antenna that will more than double your 2 meter (and even 440) performance! by Dale “Kuby” Kubichek, N6JSX Related Posts via TaxonomiesThe $4. . youtube. 5/8 Wavelength antenna for base station working on 50-60 MHz tunable by means of the Nov 2, 2019 · This somewhat unusual "Hourglass" antenna from "Radiopreppers. This antenna is designed for stations having a difficult time putting a decent signal on 160M from small or CC&R'd lots. Very low price and excellent performance on 2m and 70cm. How to make a doublet antenna for ham radio HF bands. A much better type of antenna then a simple quatre wave and that has more gain is the 1/2 wavelength vertical. 74 dBi, according mmana. If you have an analyzer, sweep the 144-148 band. Jan 4, 2009 · About 6 months ago I thought I'd try one of these - 2m coaxial collinear vertical. The highest cone is to form the lower half of a half wave vertical element. ost commercial 2-meter repeater antennas with gain fall into two categories: collinear arrays and stacked element arrays, with gains ranging from 3 to 9 dB1. 3 thoughts on “ Comparing 2m Homebrew Antennas ” WB3GCK September 12, 2019 — 6:28 am. Ref: Wikipedia. Post Inexpensive antenna mast. Log in This is the best omnidirectional 2 Meter antenna I have ever encountered. ~~~~~ The Vertical Bazooka is a fun and easy antenna that can be built in an afternoon. Sep 11, 2019 · 2 meter, 2M, amateur radio, antenna, Ham Radio, km4nmp. So I make do with a long, thin random wire that works nicely as long as the New England wind, snow and ice don’t conspire to give my hamming a holiday (which happens more often than I’d like). Hello! In this video I show you my homebrew multiband vertical portable antenna :) Me and Paul OM0WT went to try it in the field how will this antenna perfor 4 days ago · antennas for vhf and uhf radio bands category is a curation of 138 web resources on , UHF VHF Folded Dipole, VHF-UHF Long Boom Very High Performance Antenna Designs, Antenna performance table by VE7BQH. ” vertical antenna projects for the 40 meters band category is a curation of 45 web resources on , Vertical antenna for 40 and 80m, Slink-ette antenna, The Hudson antenna. I only had room in the crappie pole for the 1/4^ stinger, 1/4^ bottom section, and either 4 or 6 1/2^ sections. Post #1229. Overcoming My Excuses. Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. 6 (144 MHz) to 2. homebrew a 2 meter 1 4 wave vertical antenna for the 146 mhz ham radio band. Here is how to prep the SO-239 Nice project but I'll take phased yagis for 2 meters any day of the week. " Mike (M0MSN) does an excellent job of assembling this easily-made antenna. Apr 11, 2020 · Although Varney envisioned his design primarily as a 3/2 wavelength antenna for the 20 meter Amateur Radio band, radio amateurs have used the antenna for multiband use. The entire Find VHF/UHF Base Vertical Antennas 2 meters Band Coverage and get Free Shipping on Most Orders Over $99 at DX Engineering! Oct 30, 2014 · A 1/4 wave end fed antenna with a proper ground plane or radial system would be the easiest home brew antenna to construct and work perfectly well if nicely elevated. I wanted high efficiency 40 Meter antenna with low-angle radiation. The standard of comparison vertical antenna is a vertical 1/4 wave dipole with a ground plane. Here are some of Mike's comments. Reports are excellent. Compact Homebrew End Fed QRP Antenna. Winding a 1:4 Current Balun with 15 turns. 8:1 at resonance (see Figure 2). 8 dB. But it is paid for. Post #1227. Beginning the Aug 25, 2017 · Homebrew 10/20/40m EFHW vertical Antenna "SOTA". If that's your situation, this may be the antenna for you. vertical antenna, made from three 10 ft. Homebrew 20 Meter DiPole Antenna speaker wire; Speaker Wire 44' Doublet Antenna. A better design is to make a 2 m dipole with one (or two) closely spaced (about 1 inch) 70 cm 1/2 wave parasitic element (also called coupled resonator). Mine is in its second enclosure (either deer stomped the first box or a car drove through my yard) and it has 107’ wire sloped into a tree at 33’ works all HF bands w THE KL7JR 5 BAND PIPE VERTICAL by John Reisenauer, Jr. Feb 13, 2011 · Simple 10 meter loop antenna; Hamradio Homebrew 2 Meter Square Dipole Plan; 2 Meter Slim Jim antenna from Ordinary Wires; Slim Jim Antenna; A Slim Jim for 4m; 2 Metre band Slim Jim antenna; The G5RV antenna; 2m 4-element Quad you can build; A short dipole for 80 meters; A Stealthy 75 meter Antenna; 70cm vertical antenna; 9 element YAGI antenna My Design for the 80/40 meter Semi-Helical Inverted L Vertical Explained: This design is basically 2, 1/4 wave lengths of wire, one for each band, with one band (40 meters), partially helical wound on the mast, and the other band (80 meters), partially linear "wound", all fed from the same feed point. Andrew VK1AD has a great example of building a two-meter vertical loop. See latest feedback near bottom of article! That's 20, 17, 15, 12 and 10 meters! Describe your experience with the MFJ-1796 40 - 2 Meter Vertical Antenna and tell us why you give it the rating you did (required). Oct 20, 2021 · Testing a tape measure yagi antenna for 2 metres; The simple coax cable emergency prepper antenna; Inverted Dipole Project for a Tight Space; Improving suburban HF vertical antennas; 80 Meter NVIS Antenna; Quick and dirty 50 MHz halfwave wire vertical antenna; The easiest antenna to build for six meters; Top 3 Portable HF Antennas I enjoy building antennas. Building The Antenna. Boom= PVC "T"s and 1/4 wavelength tubing Apr 22, 2016 · Simply put, it's a 5/8-wavelength vertical telescopic whip with four 1/4-wave telescopic whips serving as a ground plane at the base. ” ANTENTOP- 01- 2017 # 021 Two Helical Antennas for 160 meter Band Two Helical Antennas for 160 meter Band Andre Chichkin, VE3YXO First Design of the Helical Antenna Helical vertical antenna at its relatively small height may provide a good operation in the Air. Mobile whips for 6 meters: If you have a coil type 2 meter 5/8 wave, like a Larson, it will work fine on 6 meters as a loaded quarter-wave without any cutting. I chose low cost and simple construction as the main design goals. Listed under the Antennas/Vertical category that is about Vertical antennas plans. " It has been my experience that the bond between epoxy and PVC is marginal. Page 1 of 9 April 2017 W1DYJ ~ 40M Vertical A Homebrew 40M Vertical with Elevated Radials A Little Ham History Building, testing, using, and rebuilding antennas has always been one of my favored ham activities since shortly after I was licensed in 1962 as novice KN1VFX in southern Connecticut. One problem I had with the original 40 meter vertical antenna, was that I used two 1/4 wave radials, which conventional wisdom says you should use with vertical antennas. Post 2081. Original “Slim Jim” Antenna Article. The coverage was very wide and the station was very busy working ops from British Columbia over to Texas. I used 1″ thin-wall PVC pipe, aluminum tape, and RG-8X coax. Read More… Moore describes his antenna as "a pulled-open folded dipole". I wouldn't remove more than 1/4" at a time. [/caption] The length of the pole is enough for a quarter-wave vertical for 20m with some room to spare on either end. Here is the list of parts needed to build a 2 meter vertical antenna: 3/4″ PVC pipe – Length to suit Constructing a Simple 5/8 Wavelength Vertical Antenna for 2 Meters. My favourite HF antenna is my 71 feet long The W7LPN 2 - 440 Vertical Collinear Antenna Project with a 6 Meter Surprise! by W7LPN ~ Rick Frazier UPDATE! Download the updated and easier to build (12-08) version It is a pdf file and is under 1 meg file size. the radiator to the adapter using a good adhesive. 00 Ham Radio Satellite AntennaThe Hentenna4m Slim Jim AntennaVHF –Read More Mar 12, 2021 · Cheap, homebrew, HF, QRP, ham radio antenna; HAM RADIO: Your First HF Antenna; Best HF Antenna: The Monopole Dipole; Homeibrew Base Loaded Mobile HF Antenna 6-80 meters; My 3 Favorite Antennas for Portable Ham Radio; Apartment, Attic, HOA and small spaces Ham Radio A Vertical extended double zepp antenna for 2 meters May 29, 2022 · Here's an interesting antenna design for radio amateurs exploring the 630 meter and 2200 meter amateur radio bands. Resources listed under VHF Antennas category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. This page goes through the theory, design, and construction of a 1/2 wave dipole. Apr 6, 2021 · The antenna works very well and is quite "stealthy. The higher gain antennas have a lower vertical beamwidth. I'm guessing you'll find the antenna is too long, and you'll end up around 15" on each arm. com/@Radionut63 high voltage at the end of the antenna. I read the article he was referring to (see reference below) and it looked to be a nice antenna that others were having success with. The original idea for this antenna came from a "QST" article, which is cited in the links below. Having had Dec 10, 2019 · 40 Meter Inverted V Antenna - Build, Tune; Building a dipole for 40 and 20 meters. That’s the the 1/4 wave ground plane antenna. 890MHz. 87 25 Foot 5 Band HF Vertical "The Wonder Stick" 3/4" and 1/2" in 10Ft. Feb 13, 2023 · The Image below shows the materials you will need to build a 2 meter vertical antenna for the 146 mHz. His design got around the problem making a vertical array of antennas because the transmission lines feeding the higher elements of the antenna would interfere with the pattern of the lower elements. There is more detailed information posted in my blog: NOTE: Comparative testing of this antenna against one without the "choke" showed that the choke is NOT needed. 3mm stainless steel rod was used for the antenna arms and various other bits and pieces I had laying around in my shed were used to complete the build. Resources listed under Antenna for 2 meters category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. As can be seen in Figure 3, there is a minimum SWR crossover point at around 145/445 MHz. Listed under the Antennas/VHF UHF category that is about Antennas for VHF UHF bands. Apr 12, 2020 · This antenna is made from either an old CB whip or a stripped-down 2m 5/8 whip. With this antenna I was heard 124 km away from me. 2 Meter 3 Element Tape Measure Yagi Antenna. Ground plane antennas are easy to recognize by their appearance. L. All you need is two rabbit ear antennas from Radio Shack, two CATV baluns, four feet of 3/4 CPVC pipe with one tee. A Simple 2 m/70 cm Vertical Dipole Antenna by KGØZZ This easy to build dual band VHF/UHF antenna makes a great project for the new ham that is ready to get on the 2 meter and 70 centimeter amateur radio bands. How to make a 4 to 1 balun cheap and easy; Ham radio 40 meter homebrew ground mount vertical; Building a cheap, portable, vertical HF Antenna; Top loaded HF rarely obtain in real antennas more than about a 2. • Compared to many vertical antennas, the collinear J-pole shows a remarkable reduction in high-angle radiation. I have a tiny voice inside my head that keeps telling me that i should put up a 10 meter vertical antenna, something like the Tram 1489 since we are heading towards the better half of a solar cycle, any takers? Btw, i already upgraded my 2 meter/70 cm antenna to a weatherproofed Tram 1481 and it was a huge improvement over my homemade Jpole this article serves as a beginner friendly guide to constructing a simple vhf dipole antenna for 2 meters perfect for novices in the hobby with an emphasis on affordability and simplicity it explains the basics without overwhelming technical details recommendations for coaxial cable and mounting methods are provided offering practical solutions for effective communication by following these Sep 19, 2015 · Using uncalibrated signal strength markings on a scanner radio set to the correct frequency (this is the best field strength equipment I currently own), and the same Baofeng transmitter on the same frequency on 2 meters, I sequentially tested: (1) the supplied rubber-duckie antenna, (2) a top-rated 15” whip antenna (Nagoya NA-771 15. Modern 2-meter rigs can handle this easily, and the losses are quite small at an SWR of 2:1. Schematic fig1. Amateur Radio operators have distin-guished themselves by their ability to build equipment from junk and bits and pieces found around the house. My Homemade Version The free space gain is 2. Jun 29, 2021 · Until 2016, I had never purchased a commercial field antenna; I built all the ones I had ever used. Here we need either a good VSWR meter or an antenna analyzer. The finished product will look like this: Let's get started! For the welding rods you need the following: (1) piece 25 & 1/8 inches long (2) pieces 6 & 1/2 inches long (2) pieces 19 & 1/2 inches long. B. The Ultimate Guide to HF Quarter Wave Antennas. The 2-Meter Slot-Cube Antenna John Portune, W6NBC Few homebrew antennas have been more popular than the 2-meter J-pole made from ordinary copper water pipe. Try adjusting the antenna until you see at least 1. rarely obtain in real antennas more than about a 2. The antenna is an atypical vertical: instead of the common 1/4 wl vertical monopole or 14/ wl ground plane with 1/4 wl radials, this design employs a 3/8 wl vertical section and short radials to complete the “ground plane. Feb 13, 2011 · Slim Jim (J Integrated Match J-Pole) is probably the most easiest and powerful 2 meter antenna to build provided you have the exact measurement and material to build it. Slim Jim Antenna Project – VU2RMU. ~~~~~ Sep 8, 2018 · A Simple 2 m/70 cm Vertical Dipole Antenna by KGØZZ This easy to build dual band VHF/UHF antenna makes a great project for the new ham that is ready to get on the 2 meter and 70 centimeter amateur radio bands. It is possible to find the statement at lots ham publications in the internet and To answer the original posters’ question, search for “windsock poles”. Post 2083. He has different types of antennas available. I'm an avid contester, but had no antenna for 160 meters. PDF (Sept 2011) Daniel C Lester (KE9SE). The results are good. This little antenna is cheap and easy to build, lightweight, and very functional on 2 meters and 70 centimeters. It’s just one end of my G5RV dipole, or sometimes called a “dummy load”Read More Jan 30, 2012 · ARRL, R. 2 element wire yagi for 28 MHz. D. 2M Slim Jim antenna using Aluminum Tubing Bare 3 inches and make a 1/2 inch loop with your #12 stranded wire and solder the loop good, this will have all of the weight of the antenna on it. com" is a horizontally polarized antenna for those involved with 2 meter SSB, CW, and digital modes. Post #1226. Using an example model from the EZNEC files with 45degree radials elevated 5 wavelengths, the dipole was compared to the Slim Jim model. This shortened easy-to-build vertical, with no-radials, is made from surplus military camouflage poles. A 2-Meter Vertical Dipole Array Build this 2 or 4-Element VHF repeater antenna with up to 9. Slim Jim 2M Antenna – SV5BYR. Jan 23, 2024 · A few days ago, I had the idea of building a simple dipole antenna for the 2 meter amateur radio band, similar to the dipole antennas I built to use on the HF bands. I found the plans on Page 32 of VERTICAL ANTENNA CLASSICS (published by ARRL). Jul 9, 2018 · Be aware, a pole called "7. Aug 15, 2022 · Sirio Antenna Sirio Tornado 50-60 Mhz Omni-Directional 6M Vertical Base Antenn [tornado6m] - This high quality base station antenna for the very popular 6m (50Mhz) band is a great addition to the Sirio range. Thanks in advance for any assistance. So shorten the antenna elements just slightly to tune it higher in frequency. 2 days ago · Antenna projects for 144 MHz category is a curation of 168 web resources on , Simple VHF Antenna, OCF 2 Meter Sleeve Dipole Antenna, Magnetic Loop for the 2m band. Living in a condo has many advantages, none of which is being able to mount a tribander on a 60-foot tower. In a nutshell: The antenna is made by telescoping three 10-foot PVC sections together, helically winding it with ½ wavelength of antenna wire, attaching a capacitance hat to the top, and feeding it with a 50-ohm feed line against 8 ground radials. Jul 26, 2022 · A Great Homebrew Vertical Antenna. By John Portune W6NBC . This how to will show you how to build a 2 meter slim jim antenna from ordinary insulated copper wire commonly used for carrying AC (alternate current) electricity in your antenna, while this collinear antenna is meant only for 2 meters. coax exposed) W7LPN VERTICAL DIPOLE (Alternate matching method below) (Alternate method above showing 5 inch hairpin match) Supplies: Copper tubing 1/2" X 48" precut piece w/2 end caps. This antenna is perfect for HAMS that need a quick reliable solution for local 2 meter communication. 1/8 Wave Radials? homebrew a 5 8 wave ground plane antenna for 10 meter band interesting article with lots of pictures and homebrew details . Mar 26, 2023 · 15 January 2025: new article on tuning antennas with an antenna analyzer; 11 December 2024: new article on Doublet antennas. 4 • ISSUE 2 • SUMMER 2003 Build a W3DZZ Antenna; A portable 2-element VHF yagi; Assembling GAP Titan DX Antenna; The Galaxy Dipole; Pfeiffer Maltese Quad Antenna System; Magic Anti-Jamming antenna; D3+ High Performance Antennas; EH Antenna for 40 and 20 meters; Homebrew G5RV; 40 meter mini Moxon Antenna; EH Antenna for 10 meter; Quad and ModQuad Antenna; Inverted U designs for quad antennas in various books including The ARRL Handbook, yet I wondered how easily and inexpensively I could put one together for 2 meters. If you have an swr meter, check 144, 146 and 148Mhz on low power. Slim Jim Antenna Calculator. As a result, I ended up with an effective antenna that has the following features: Aug 21, 2018 · To the rescue, would be an external antenna. Build a W3DZZ Antenna; A portable 2-element VHF yagi; Assembling GAP Titan DX Antenna; The Galaxy Dipole; Pfeiffer Maltese Quad Antenna System; Magic Anti-Jamming antenna; D3+ High Performance Antennas; EH Antenna for 40 and 20 meters; Homebrew G5RV; 40 meter mini Moxon Antenna; EH Antenna for 10 meter; Quad and ModQuad Antenna; Inverted U Jul 15, 2021 · Here's an interesting antenna design for radio amateurs exploring the 630 meter and 2200 meter amateur radio bands. 960MHz to 29. Link to Darrel’s YouTube channel http://www. You don't even have to know how to solder!Check out the Ha Jun 24, 2020 · Figure 2: 4NEC2 Simulation SWR results for single radiator, dual band, 2m/7cm antenna. When you get one or more finished you can install them inside old commercial "shell"s. However, the J-pole's highly visible profile may be objection-able to some neighbors. My weekend project was to build a Vertical Bazooka for 2 metres. I came across a couple of Hustler SM Series Resonators (20 /40 Meters) that I had acquired. This antenna is made by a professor and his students. 7 dBi gain and 18° Vertical Beamwidth. , KL7JR A simple, cheap and easy to build 26 feet long vertical antenna that works DX on 20 - 10 meters including WARC BANDS. I used 75 Ohm coax seeing I had tons of it. This page contains construction details on a 2 metre 144MHz VHF Yagi beam antenna, designed for portable use. These days, I take a number of commercial antennas to the field and use them in my real-time videos and I really enjoy deploying and using them. My intention is to use it during SOTA activations. For any vertical collinear array, the only place from which to obtain energy for increased gain at lower elevation angles is from the high-angle energy 2 meter 40 meter 70 centimeter antennas aviation band Beach 40 helically-wound short vertical antenna homebrew J-Pole QRP QRP radios RF design Amature Radio Marker Generator and more VHF 1/2wave vertical antenna for the 6-meterband (50 Mhz) RE-A50V12 By Guy, de ON6MU. If the old vertical antenna had lost its radials as well as wasn't able to strike the numerous amateur radio repeaters around, you will certainly need to develop a 2 meter 1/4 wave vertical antenna for the 146 mHz. A fellow Ham recommended that I try building a 2 meter / 70 centimeter vertical dipole antenna. Obviously at that period there are too many 2-meter operators using high power transmitter and factory made antenna. Resources listed under 7 MHz Vertical Antenna plans category belongs to 40M main collection, and get reviewed and rated by amateur radio operators. High Performance 40 Meters Vertical . Base station antennas: A $6. This OM used a half-wave vertical at 20 m high. Mar 19, 2023 · Following on from my PMR446 Antenna I decided to try my hand at constructing a 2m/70cm Vertical Dipole Antenna. SWR is under 2:1 from 26. Also, a collinear will typically be twice as long or more, than Carl’s antenna, another possible disadvantage. I wonder if additional 1/2-wave section with "separation" coil can be added without any modification to the existing antennas? I would love to add these 2,6dB to my 6m vertical but I'm afraid about the coil mechanical length and weight. Top 5 Ham Radio Antennas for Beginners. The H frame breaks down to two pieces for transporting. It has gain and wave angle comparable to a full-sized ¼λ ground plane antenna with radials . My buddy Eric (WD8RIF) reminded me, though, that I hadn’t actually used a homebrew antenna in ages Jun 29, 2021 · A Great Homebrew Vertical Antenna. The G5RV is an excellent choice for the 20 meter band. This classic antenna is basically a top loaded vertical designed for frequencies below the standard broadcast band (472 kHz and 137 kHz). THE KL7JR 5 BAND PIPE VERTICAL by John Reisenauer, Jr. I'd like to find something mainly for 6 and 10. “Wire Antenna Modelling with NEC-2”. Aug 23, 2009 · Is anyone aware of any multi-band vertical antennas primarily for 6 and 10 meters? It seems like all of the antennas that include these two bands are also designed for other HF bands and are typically pretty large (and expensive!). amateur radio band. ghfly pnai dfmq mln rtges ctdeyo cjnq nzks chy cad