10 meter vertical antenna plans

10 meter vertical antenna plans

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10 meter vertical antenna plans 10 Meter "Super Scanner" Antenna Project - How to Modify the Original Super Scanner for 10 Meters! ZL1ALZ 40 Meter Vertical Antenna Project KL7JR 2 Band Wire Vertical - HF Wire Vertical Antenna Project 20 and 17 Meters SIMPLE 40-10 METER VERTICAL USING PVC BY HI3/KL7JR. Horizontal vs vertical HF antenna- which is better? The net gain of a vertical Hf antenna will be lower than the horizontal antennas. 6 or 1. With the tuner in my xiegu x5105 I can also use it on 30, 17, 12 and 6 meters. Buddipole. The above design was found to work well on both 20 metres and could be tuned using an antenna matching unit to also presented a low SWR on 40 metres. I plan to raise the antenna by several meters this summer. my vertical was taller though . The antenna This 10 - 160 meter tuned horizontal loop antenna is fed with 450 ohm ladder line all the way into the ham shack to an Palstar AT1500BAL balanced line antenna tuner. Complicating that, commercially made verticals can be expensive. The radiation pattern is also a omni-directional one. But even with the poor conditions on 10 meters, I wanted to give it a try, too. My two three-element 40 meter antennas are within 1/2 dB of a rhombic 200 feet high occupying a 700 ft by 750 ft area. For the most part, this is true. A full sized vertical would be a mechanical monster, and cost a fortune. Max Power: 1500 Watts, Height:13', Recommended My 80 m short vertical antennas with base-loading are described on this page. Feb 12, 2017 - "After several attempts to build a multiband C-Pole I finally ended up with the Multiband H-Pole. The takeoff angle for this antenna should be around 15 degrees for 10 meters and between 25 and 30 degrees at 40 meters. Hustler 6BTV 6-Band HF Vertical Antenna and DXE Installation Guide Packages are trapped-vertical antennas that provide an omni-directional pattern. Potential purchasers should be aware of this fact. Sure, its ugly. Top 10 Best HF Vertical Antenna Buyer’s Guide 01. If you want to use a dipole for a band of frequencies, you cut it to the center frequency on that band, and hope it has a low enough SWR at each end of the band. on 23 cm (1200 MHz), making the antenna an excellent candidate for ATV repeater use. There are also options available for remote tuners allowing operation at 200, 300, 600 or 1500 Watt power levels. Since things seem to be happening on 10 meters, it's time to build a transmitter and get up there. Jul 13, 2020 · This multiband vertical design provides 8 band coverage encompassing the 6, 10, 12, 15, 17, 20, 30 and 40 meter bands. One vertical element (1/4-wave) is fed at the top where it is attached to a SO-239. 95. From David, N5IZU From David, N5IZU Portable All Band Antenna -- "IK-STIC" -- a multi-band vertical dipole antenna which can be used in the field for quick set-up and quick band change. C-Poles for different frequencies on one pole must be May 06, 2018 · 5 dB: Single vertical antenna (short vertical or ¼ wavelength vertical) 6 dB: 225 foot Beverage on Ground (BOG) 6 dB: 250 to 400 foot Beverage about 7 feet high 7 dB: Unidirectional terminated small loop flag, pennant, EWE, VE3DO 8 dB: Close spaced arrays of two small terminated loops K9AY Array Shared Apex Loop Array Sep 03, 2016 · The 43-foot Vertical Antenna Advantages -Still can be self-supporting & moderately unobtrusive -Approximately 3x higher radiation resistance than the typical trap or loaded vertical. Hopefully, what I did will 80-meter dipole and I really enjoy CW on that band. 1025 * 0. The loop is an inverted vertical triangle with the base along the top and what NVIS ANTENNA THEORY AND DESIGN AAR6UK 20 FEB 2017 Requirements A properly designed Near Vertical Incident Skywave (NVIS) antenna will have a directivity pattern that will maximize transmission and reception at high angles while rejecting low angle, long range noise. Over the last 28 years I have tried many different 160 meter antennas. A random length of RG58 coax was run from the antenna to the shack where a dip meter coil was screwed on. With that in mind, recently I set mine up on 30-meters using the coil for extra "L" and the longer stinger Buddistick sells, 3 ground radials which are not raised due to HOA restrictions. . We all know the horizontal dipole is one of the easiest antennas to build and is very common with new and old hams alike. Short 80 Meter Vertical Antenna The last series of compact 160 meter antennas were not that satisfactory. The DX-88 will work against an earth ground and a set of ground You are now the proud owner of a Comtek 20 Meter Vertical Antenna. All you need is one beverage bottle. Combine this with the fact that using low power and simple, small antennas can easily yield QSOs all over the U. As typically installed, it is a compromise antenna but great for portable use because it is easy to pack and easy to install. i tried 22 1/2 ft and 23 ft but i didn't see any difference between 5/8 and . On small vertical antennas, (such as 10 to 30 meter band), you can make insulate the base real easy. Place a 1:1 Balun on the Antenna end of the Feedline. 10 Meter Halo Antenna that covers 28 to 29. Add to cart. Jul 10, 2012 · date: 25. Table 7 reveals what happens when a λ/4 monopole built from aluminum tubing is Table 10 Performance comparison between vertical antenna systems of varying height, when operating on 20 meters at a frequency of 14. 272% or -25. SWR is under 2:1 from 26. The measurements below are for building a simple Dipole Antenna. A tuner will probably be needed for 10, 18 and 24 MHz Band operations. 67 dBi 155 +j354 vs 8. (NOTE: You may deduct 29. The normal quarter wave ground plane antenna consists of a vertical radiator which is insulated and centered between 4 horizontal surrounding radials which extend out from the base of the antenna. 3 cm) spreaders. Each radial is evenly spaced (90 degrees apart from each other) around the vertical element. What I discovered is that it provides a good SWR without a tuner on 40, 20, 15 and 10 meters. Dipole antennas were invented by Generally speaking, radials are a helpful component for a vertical antenna. have an antenna for the 17- and 12-meter bands. Maximum gain is -21dBi, so efficiency will be low. End-Fed (Fuchs) description in Dutch. Quad Antenna Design is one more free antenna design and analysis software for Windows. Also useable on 6 and 2, but high radiation angle will limit performance. bandwidth. I have often used a 10:1 ratio with acceptable results. 6 m); the height difference between its top and bottom is 26. Can be multiband with traps. The half-wave center-fed dipole is one of the most popular antennas in use today. 7 BAND STEALTH VERTICAL – HI3/KL7JR Use landscaping lattice to hide that vertical! N5VEG 5 BAND HF VERTICAL ON THE CHEAP! Invest the price of a hamburger and fries! 10 METER VERTICAL BALCONY STEALTH (Using Wilson Mobile CB Vertical) KL7JR. Radio Shack has the wire and some of the connectors. Below are the reasons why it is top-rated at the moment: It covers 10, 15, 20, 40, and 75/80 meter bands with ease for not just transmitting but also receiving the signal. Apr 25, 2020 · The Hustler radio base antenna is a high performing antenna that can be mounted on the ground or the roof based on preferences. Page update of 7 August 2019 Over several decades, Barry Booth (W9UCW) and a group of fellow hams, have done an incredible amount of well-documented and systematic, repeated tests to assess the performance of various configurations and installations of short , loaded Apr 19, 2018 · Then the antenna mast I installed as a replacement fell down in a snow storm. -No trap or loading coil losses to worry about -Modest compromise SWR from 60-10 meters when fed with a 1:4 unun. This antenna is a full quarter-wavelength on 20-10 meters, and minimizes the coil necessary for 60-, 40- and 30-meters. 27 foot hoa 10-40 meter no radial multiband foldover vertical with unun view details; 33 foot 10-80 meter multiband foldover vertical antenna with unun view details; 43 foot 10-160 meter multiband foldover vertical antenna with unun view details; 20 foot 6-30 meter high performance commercial duty flagpole antenna view details; 24 foot 6-40 Cushcraft AR10 10-Meter Ringo Vertical Antennas are patterned after the original W1BX FM Ringos. In my case I have a Hy-Gain AV-6160 43-foot vertical for 160-20 meters, and a Hy-Gain TH-1 rotatable dipole for 20/15/10/6 meters, as this dipole normally outperforms my vertical on the higher bands. Hi all, I am looking to make a 10 meter antenna. 13-15. Results for a Quarter Wavelength 20 Meter Vertical. Restraints Imposed by Location and Other Factors: I have a rather small suburban back yard, 100 feet wide (N-S) and 55 feet deep (E-W). Dec 28, 2016 · Now connect your transmitter (and SWR meter, if your transceiver doesn’t have one) or antenna analyzer and apply (low) RF power on the desired frequency, in this case 7. 80m Wideband Dipole Antenna Requirements. In fact, radiation efficiency of the antenna excluding feed line and ATU loss is 0. See: Vertical Dipole Arrays 4-SQUARE Vertical Arrays. In free space the center-fed half-wave antenna has an input impedance that is a close match to 50 ohm coax and to most radios that have a 50 ohm output impedance. Trap The Half Square antenna is a wire antenna with two vertical radiators fed in phase. It is located above the “Eggbeater” antenna being tested at an almost vertical angle (87 degrees in the vertical plane) and approximately 20 meters in height. 2 Meter Yagi Antenna w/ Gamma Match Dipole and Inverted V Antenna Basics 10/15/20m Trap Vertical Antenna Dave Tadlock helps you build a home brew trapped vertical Inverted V Calculator thanks to k7mem Martin E. Lets build a vertical antenna for 6 meters today by modifying an old Radio Shack CB antenna. com sells a 9' whip that works perfectly for this design. Power Input – 1000 watts PEP** Wind Load (sq. 42 51 –j86 20 meter 8. 9 m). The 5-BTV is designed as a self-supporting vertical to provide optimum operation in the 10, 15, 20, 40 and 75 or 80 meter bands. New Home of the Force 12 Antennas. Apr 12, 2017 · A dipole design for the 20-meter band is an efficient and inexpensive antenna for the novice and veteran ham enthusiast alike. 890MHz. This article describes a collinear antenna made from very inexpensive RG58/U coaxial cable and encased in PVC pipe. 2 cm), thick wall PVC sewer, or water pipe, and a way to cut it in either 1 ⁄ 4 or 1 ⁄ 2 inch (0. Meserve - Very throrough & accuracte Ham Nation 14: Leo Builds A Dipole Zepp Antenna Theory Windom Antenna Theory 40/80 Meter Inverted The dipole antenna is said by many to be the perfect antenna for a specific frequency. You can further reduce the height of the antenna by placing a capacitance "hat" at the top. These antennas perform well in restricted space areas. Manufacturers of High Quality Amateur Radio / Ham Radio HF Yagi, Transmitting and Receiving Antennas. Keep the lengths of the dipole legs the same as you are adjusting their lengths. This antenna may be built as a 20 meter, 17 meter, 15 meter, 12 meter or 10 meter monoband vertical antenna. 'Stanley. If you use 50-ohm coaxial cable as your feed line, you'll need a matching device at the base of the antenna to make the antenna work correctly. The full study focused on 10 meter models and test antennas, with nearly automatic extensions of the ideas to 20 meters. Separate the speaker wire into two 18-foot lengths. 20 Meter Loop • My next attempt was a 2. The above graphic depicts the overall layout of the loop antenna consisting of 558 ft. 5:1 VSWR over a 0. GROUND RADIALS 234' (7. First of all, I cannot put up a beam without changing everything around, so that's out. May 28, 2016 · Sure enough, many approaches, both old and new, exist to help an 80 or 75m dipole present a decent SWR across the entire 80m band. The cons of vertical antennas. I have an old 11 meter base antenna that has 4 radials and a vertical pice it's a penetrator 500 that is what the C. Most mobile CB antennas these days are quite short with a hefty base loading coil. Those who don’t have enough space for the normal antenna setup prefer using the vertical antenna. The antenna is a Wilson Silverload tunable antenna with the extra ground plane cable at the threaded end of the antenna. The line should run horizontal for 40 feet or more. Aug 24, 2019 · 80 Meter NVIS Antenna – Don’t Get Hung Up on Theory. New 160 Meter Transmitting Antenna. I have Nov 18, 2020 · Making a new design ! For many years now, designing antennas has been a passion for many a ham operator. For there to be gain the length of a single antenna doubles. On 40-20-17-15-12-10 meter models we use a resonance compensator to pick up the 15 meter band not present on many competing OCF antenna products. The vertical antenna operates from 160 meters through 10 meters using a good quality outboard customer supplied tuner. This type used by many, It has deserved a name on the DX-antenna list over the last years. It incorporated a pair of 807's in the final putting out 100 watts. 0m) 52-0HM COAX Joseph Blair, W2Ul, stands beside a top-loaded 40-meter vertical antenna that is the key to regular contacts with stations in Europe. The radiator is about a quarter of a wavelength for the desired center frequency, and can be a wire, set or cage of wires, or a pole, typically made of aluminum. The antenna is simple to deploy, folds up easily for transport, and weighs under a pound, yet, with the proper length of wire, can work the 80-10 meter bands easily with the built in antenna tuner of most current day transceivers. A ground plane antenna is a λ/4 vertical element<br>that works against a ground plane, a large metallic surface, the earth, or, in some cases, an array of conductors called radials. This antenna is a nice 5/8 wave for CB at 27MHz the way it should be. Airband Antenna 3; Antenna Traps 10; Antenna Wire 8; Auto Antenna 1; Bar Aerial 1; Base Loaded 14; BNC Output 1; CB (11m) Vertical 16; CB (11m) Yagi 2; CB Marine Antenna 2; Centre Loaded 2; Coax Cable Assembly 1; Counterpoise Kit 1; Dipole Centre & Insulator 1; Discone 10; Dual Band (2m/70cm) 62; Dual Band (6m/2m) 1; Dual Band (6m/4m) 4; End The current distribution is very important, it questions the explanation that this is a vertical dipole. 5 / frequency in MHz. For peak performance, a field of radial wires should be used Vertical Dipole Arrays. 00. Schematic fig1. The standing wave ratio was 5 to 1 with or without the ground plane cable grounded. What could be more simple and smaller (at least for HF use) than a 10 meter dipole or vertical. 5 meters, or λ/8 in the CW segment of 80 meters. Having some antenna fun at my home location : 28-3-2016. Often it is not conveniently and complicates the design of the antenna. Instructions for Simple Multi-Band Vertical This PDF explains the antenna and has tips for its construction. SKU: AV-12AVQ Hy-Gain. Feb 02, 2016 · N4UJW ANTENNA DESIGN LAB - Ham Radio Antennas - Design 0rBuild Your own Ham Radio Antenna Here is a link to many different type of antenna projects. Have fun making your dipole and enjoy the contacts. eHam Forums > HomeBrew > 10-80 meter ProMaster HF antenna, 160M* optional All Antennas, Dipole Vertical Yagi End-fed, HF Base, Portable. However, almost any combination of ham sticks can be used. 11,66 M OWA Yagi “SUPER BOWL/DX” back online. 2012 nick: consschenso 10 meter whip homebrew The 10-meter band is a favorite ham hangout, commanding a wide range of homemade. The next generation in Design and manufacturing. Resources listed under 10 Meter Antennas category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. One way I saved $ and space was to use vertical wire tails instead of the telescoping ends. So I wanted a self-supporting rotatable dipole for best performance on 12/17 meter as well. One big consideration was weight, 4 cage dipoles for 40/30/20/10 uses almost 1,000 feet of wire. Don't forget to include an additional height above ground for the lowest horizontal element when determining the total vertical dimension, usually six or seven feet for safety reasons Jan 14, 2004 · Conclusion: The 20-meter vertical dipole, center-fed with 450-ohm ladder, will be a good-performing and inexpensive 20- through 10-meter omni-directional antenna, used with a tuner and current balun at the tuner. 20, 17, and 10 meters show the least activity in the vertical end wires. 00 to $500. The next step was to design the wire parasitic elements, including their vertical and T-top lengths. Any small and compact (in terms of a wavelength) antenna will be narrow band and inherently require tuning to the chosen operating frequency within a given HF band. If you are an amateur radio enthusiast with. Conclusion: The 20-meter vertical dipole, center-fed with 450-ohm ladder, will be a good-performing and inexpensive 20- through 10-meter omni-directional antenna, used with a tuner and current balun at the tuner. Aug 07, 2012 · The 20 and 15 meter wires are using the same spreaders. Oct 23, 2019 · Vertical antenna systems, losses, and efficiency. Hence, their patterns have the fewest lobes--commensurate with the length of the antenna in wavelengths--and the deepest nulls in the direction of the plane of the antenna. allows easy, safe tilt action without unsafe removal of mounting hardware. 293) from all vertical lengths if you decide to slope the antenna away from the vertical plane by 45 degrees; see calculator below. Read More No. There was a benefit to the losses of the tree and mast. 20-10-2016. See: G4ATA's 4-SQUARE Horizontal Antennas Comparison. Enter the desired frequency and select the wavelength. An optimized shape real Bi-Square antenna has 2 dBd gain . 6 / 10 Meter Dipole For Vertical or Horizontal Polarization By Glen E. Build an HF Ham Radio Dipole Antenna It is easy to build, construct and erect a dipole antenna for the HF bands: 160, 80, 40, 20, 15, 10 metres, etc using a few simple components at a minimal cost and get great results. "Optimum Ground Systems for Vertical Antennas. Zook, K9STH (copyright 2002, 2009) This antenna can be used either horizontally or vertically polarized. The Cushcraft R-8 Multiband HF Vertical 6-40 Meters HF Multiband Vertical Antenna 6, 10, 12, 15, 17, 20, 30, and 40 Meter, This multiband vertical des £669. • Of all simple vertical antennas over ground, the 5/8 Gizmotchy Power Booster 10/11 Meter Addition of Gizmotchy Power Boosters to your Gizmotchy 10/11 Meter Antenna adds another set of direc. FYI -- This was (many years ago) for a science fair I entered. A close view of the capacity hat for a 40-rneter vertical antenna. The total length of a full wave loop antenna is the same as the driven element for a cubical quad antenna …. It works exceptionally well with the FT 817, Elecraft K2 and KX1, IC 703 and other QRP rigs. • Of all simple vertical antennas over ground, the 5/8 Sep 03, 2016 · The 43-foot Vertical Antenna Advantages -Still can be self-supporting & moderately unobtrusive -Approximately 3x higher radiation resistance than the typical trap or loaded vertical. A so-called random wire antenna is an end fed antenna. gain, self supporting vertical antenna that operates in the Amateur 10, 12, 15, 17, 20, 30, 40, and 80 meter bands. 000-14. See more ideas about antenna, cobweb, ham radio antenna. 4-8-2016. The entire antenna is 12 meters long mechanically, but forms an electic length of 20 meters for the 40 meter band because of the coil. 9-9-2016. and even world wide, and 10 meters is the place to be! I mentioned simple and small antennas. Here we have collected some links to building instructions for 11m antennas on the Internet. Specifications: • Full band coverage on 20 or 17 or 15 or 12 or 10 meters with SWR under 1. You will have to be the arbiter of choices. There are usually four radials, three being a minimum, but you could use up to six. It allows use for the antenna a cheap TV-Coaxial cable. I decided to use a vertical antenna on 10 meters because I had a Radio Shack 102-inch stainless-steel whip (#21-903, $15) just looking for an application! Construction The construction is very simple and took Aug 28, 2013 · You can realize this goal by building and using a 5/8 wavelength vertical antenna on the popular 10 meter amateur radio band. B. This does NOT take into consideration the type or size of horizontal reflectors, of even if there is a need for them. 10 Meter Vertical Dipole I was in need of an antenna for my 10 meter beacon , so I decided to build a design I remembered seeing in an issue of QST several years ago. You should get a very good match. Cubical quad antenna basics Quad beam antenna with reflector & director 2 metre cubical quad design The cubical quad antenna lends itself to use at VHF and UHF, and a 2 metre quad or two meter quad is easy to make using a few items that are easy to obtain or may even be available anyway. 2 ft (8. 1 Sundry parts - wire, terminal lugs 10 Meter Vertical Ground Plane Antenna A Ten Meter Vertical Antenna for All License Classes by Rich KR7W The intent of this article is to show how I built an effective 10 meter vertical antenna. A 160 through 10 meter remotely controlled antenna, will exhibit more coil loss at any frequency, than an 80 through 10 meter antenna. The improved Bamby. Frequency in MHz: Length of the vertical element:-- 10 Through 20 Meter Vertical Dipole (With a novel matching method) By KL7JR John F. CO LINEAR ANTENNA DESIGN While it is not possible to home-brew a commercial quality antenna, it is very feasible to build a collinear antenna for average use. Use of a compound Sometimes there are profitable 160 meter avoidances hard to implement after the fact. assembled vertical. I needed an HF antenna that would be lightweight and durable. 5 SWR, calculations showed this would require a cage of almost 6 inches. 30. The Buddipole™ - HF portable dipole antenna system, Welcome to the home of the Buddipole™, an hf/vhf portable dipole antenna system which is designed to be modular, versatile, and efficient. If you're looking for an antenna that has blend of portable/compact size, low radiational angle and a wide bandwidth, then this is the antenna for you! Oct 07, 2009 · Second, Hy-Gain wanted to have a CB antenna that could also be sold to the hams wanting an antenna for 10 meters that will effortlessly handle full legal power (1500 watts). This will vary based on the construction of your 43-foot vertical, its proximity to other objects, etc. 02. They are less efficient than a dipole, and the do require a very good ground connection. At the band edges on 10 meters, almost half the power is lost in the feedline, best case (with coax and 1:4 Antennas for 17 Meters Antenna: 17 meters, Range: 18. vertical and wire antennas. 02 2268 –j1565 44 33 Angle of radiation remained identical 6 feet ends The Alpha J-Pole Sr Antenna is only 60 feet in length. These are, of course, what took up 90% of the manufacture and assembly time for an otherwise very simple design. For this, Hy-Gain antenna company tapped into the resource of Howell Pabian, who worked for Hy-Gain for many years. 64 wave lengths . For SSB/CW/AM operation at the lower end of the 6-meter band horizontal polarization is normally used. Dean Straw N6BV The ARRL Antenna Compendium Vol. Grounding the ground plane cable made the CB band near perfect for Standing Wave. It’s just one end of my G5RV dipole, or sometimes called a “dummy load”Read More 10-Meter MoxBeam, KG4JJH 1 of 12 10-Meter MoxBeam Build this Moxon antenna using some unique materials & be ready for Solar Cycle 24 was excited to read on the Amateur Radio News1 that “the recent appearance on the sun of two so-called "backward sunspots" may mean solar Cycle 23 is drawing to a This 10 meter dipole project will enable you to start using your new HF privileges as a Technician class operator on 10 meter SSB between 28. com 10-24 lock nut, ss, mcmaster 90715a011 10-24 x 1-1/4", ss, pan head Mar 25, 2014 · If you want a terrifically performing dual band antenna for 2 meters and 70 centimeters, give my Mighty Woof a try! I’ve made contacts up to 30 miles away with a 5 watt HT using it. Jul 24, 2015 · If I get positive results I'll probably upgrade to a better performing antenna but if I don't, I won't loose any sleep over what I spent on this one. It will probably take several trips from your shack out to the antenna and back shortening or lengthening the elements. For this, you will need either 4 or 6 inch (10. As for gain, forget it. 3 Nov 13, 2012 · After a number of successful mono-band EFHWs I decided to try a multi-band trap version to use without a tuner. SADLY DUE TO SERVER ISSUES WE LOST SEVERAL YEARS OF WORK. . DM3SF made simple Vertical Ground Plane Antenna that has rigid design, does not require any tuning and has input impedance close to 75- Ohm. i also used a one piece tuning ring . The MFJ-1890 is a lightweight aluminum antenna designed to operate in the 10 meter band and we had hoped that with a little messing around we could get it to tune to the 11 meter cb band. Apr 24, 2010 · This antenna is very efficient. Jun 08, 2019 · Cut that vertical down to about 13ft and it will match to 50 ohm coax on 17m. 1 Combination coax cable and whip antenna antenna mount Optional coax connection 1 EX-Engineering DXE-8X19-RT 19” Pigtail from elements to PL-259 Optional coax connection. The radials fan out from the antenna’s base. The antenna is designed to be fed with 50 or 75 Ohm Coax Cable of most any length with a Balun. 068 to 18. A single antenna that functions over such a wide band will necessarily be less than ideal. But not so. 95 $ 33. There are two parts of the video, one showing you how to make it and the other Random Wire Antenna Lengths. I’ve made contacts up to 30 miles away with a 5 watt HT using it. The first (and most important) goal was to get the FULL 40 meter band at less than 1. The radiation efficiency should be equal to or slightly better than the typical 1/4 wave vertical antenna with 4 to 8 radials. 73 dBd. As erected in 2007 January, the center is 20 ft (6. I have always enjoyed operating on 160 meters. 7 Mc. $400. The 160 meter band is not harmonically related to higher HF bands (except perhaps for the 60 meter band). The End Wire Size can range from 16 AWG to 12 AWG. Given time, many approaches in the Antenna Book would be well worth a try. drop array down approximately 10 inches from top guy ring to avoid guy line interference. Minor adjustments to the feed point position and the length helped optimize performance, raising the overall height may further enhance antenna efficiency. Often bought by those who have a 1/2 wave vertical but want to put more effort in the antenna system. It works well on any band from 10 Meters through 80 Meters. 380 Kc. I started by building a 40 Meter 1/4 wave vertical using aluminum tubing, then I made a second one to Phase with the first one. If satisfied, solder the wires to all the connectors. But a great antenna company called Solarcon has built a very unique antenna called the I-MAX 2000. Adjust both legs meters and below. Even for NVIS close in work, the ground loss increases as the antenna gets lower to the ground. For comparison, horizontal antennas must be at least 1/4 wavelength high to even begin to be effective for DX, and 1/2 wavelength is the minimum height to be sure they work well for DX. Get it as soon as Thu antenna’s overall width is 68. 4 to 0. 500mhz. 75dBi 704 –j1167 vs 10. it was a very effective antenna . Here is my version of AK0M's 40M tapped coil. SLOWLY IM TRYING TO The limitations of shortened 40-meter Yagis has raised some interest in the possibilities of a 40-meter quad. i had 108 inch sloped ground elements on it . Quad antenna is a type of directional wire radio antenna mainly used on the VHF and UHF bands. Vertical HF antenna FAQ 1. Made out of aluminum tubing Uses PVC as an insulator Is 32 feet high Nov 18, 2020 · Making a new design ! For many years now, designing antennas has been a passion for many a ham operator. However, the alternatives may also be unattractive for the situation. Mr. The 10 and 6 meter spreaders also use the same spreaders. 0 m); and the longest wire is 35. I just passed my General and am about to install a telescopic mast with a multi-band dipole (10-80m) at 50′. Electronics $33. x Alpha Loop is a 10-40 Meter transmit/receive antenna, which handles 100W PEP SSB, 50W CW, or 25W for sporadic use of digital modes (10W for continuous use of digital modes). 6BTVs were designed as self-supporting verticals to provide efficient operation in the 10, 15, 20, 30, 40, and 75 or 80 meter bands. SEVEN BAND SEMI VERTICAL TRAP ANTENNA Apr 10, 2012 · Currently I have 20 feet with the military mast plus 18 feet with the crappie pole for 38 foot at the tip. ten meter band. I just tapped the half wave and the stub starting at the tip of the crappie pole. As most of you know, the key to antenna efficiency is length. ZEROFIVE-ANTENNAS 20 FOOT 6 TO 30 METER FLAGPOLE VERTICAL COMPACTENNA HAMR-7 Cablehelp 160M Reduced Size Sloper MFJ 1836H WiMo GP3 20/15/10m vertical Alpha Antenna 10-40 Meter 100W Base Magnetic Loop + Remote Alpha Antenna HOA Buster for 10-80 meters W6LVP Amplified Receive-Only Magnetic Loop Antenna - 2200 to 10 The v6. Range – 14. The design of this Field Day Antenna is an above ground mounted ground plane vertical. The next one on the list is a cage dipole. Feb 17, 2011 · I have a free standing EMF mast with a vertical dual band for VHF/UHF at approximately 25′. Mar 06, 2016 · A typical full length 1/4 wave antenna for 10 meters is something on the order of 100 inches, give or take a few. Adjustable setting that provide 1. Above is the gain pattern of the antenna excluding feed line and ATU loss. Each antenna is installed and tuned to give a 1. “KT” stands for KILLER TRIBANDER so named by the first few experienced amateurs who Beta tested the design! Designed originally in 1978, while at KLM electronics, this spectacular design holds it own with any of the multibanders on the market today. of #16 "silky" stranded wire cut to one wavelength long on Designed as a multi-band, portable antenna for 40m - 10m, the Buddistick™ is an excellent performer with any rig up to 250 watts. It is flexible and serves the purpose perfectly. 168 MHz you can use a few algebraic formulas to compute antenna sizes. Also, vertical whip antennas radiate towards the horizon at a low angle, helping to make those far off contacts. ANY antenna works better if you raise it higher, up to about half wavelength above ground. 5 dB loss on 80 and 40 meters, worst case). We're all between 30-50 miles apart. The SE-10H Halo Antenna is designed for horizontal polarization for use in the lower CW/SSB portion of the 28 Mc. Jul 24, 2015 · That AlexLoop is really a wonderful antenna for limited space and for an efficient upper band, portable antenna. A 2m/70cm vertical antenna may be placed on top of the three foot aluminum mounting pole along with an additional coaxial cable. But it is paid for. 2-meter vertical dipole array feedpoint details & assemblies rev. Be prepared and able to communicate in case of emergency with the largest selection at eBay. May 23, 2018 · If we add a 1:4 transformer (in this case, lossless) to the coax-only feedline (attached at the loop), the coax-with-transformer combo beats all (although there can be an additional 0. Sep 09, 2015 · Size (H x W x D} – 4″ x 32″ x 30″ Bandwidth – 350 Khz on 20 Meters, 450 Khz on 15 Meters, 1 Mhz on 10 Meters* Impedance – 50-75 ohms Freq. Don't forget to include an additional height above ground for the lowest horizontal element when determining the total vertical dimension, usually six or seven feet for safety reasons THE 5/8 WAVE VERTICAL . 25 dBi 34 –j429 vs 6. •Need lots of room, keep them away from metal objects like heaters and ducts •Wire antennas can be run near the peak of the roof inside the attic, bent in odd shapes to match the space available. 3048 = 0. Enter the desired frequency. The following photos and writeup are the results. If you're looking for a low cost solution for a portable hamstick antenna pole for your ham radio, then check out this video. 3% (0. Even the commercially available top loaded 160 meter vertical is a project to install. The larger the wire, the wider the bandwidth. My goal is to reveal, in some kind of logical way, my thoughts, methodology, and how I came up with the final result in an easy to understand way. On 17 meters I have worked 100 DXCC countries with minimal time and effort. 23 28 –j421 30 meter 7. The half-10 Meter and 6 Meter Rotatable Half-Wave Dipole Antenna. Dipole Antenna Calculator. The antenna will have to be at least big enough for the lowest band, so anything significantly than 259 feet will be quite difficult to get working on 160 meters. A horizontally polarized reference dipole antenna is placed beside the “Eggbeater” antenna and is connected to a signal generator sending an unmodulated carrier of several milliwatts. MFJ Enterprises Inc,Ameritron,Hy-Gain,Hygain,Cushcraft,Vectronics,Mirage,MFJ,MFJ Enterprises,Antenna,Radio,Ham Radio,Amateur Radio,Tuner,Analyzer,Starkville,Amplifier Just keep the vertical radiator in the clear and the wire as high as possible. - (22 ft. 0:1 VSWR mismatch at full power for typical operating intervals. The Hustler 5-BTV is a five-band trap vertical antenna that provides an Omni directional pattern. I also wanted to be able to install it in minutes. Many excellent examples are highlighted in Chapter 9 of the 21st Edition of the ARRL Antenna Book[1]. Total length +/- 10 meters. This vertical antenna may also be tuned to provide outstanding reception in the SWL 11, 13, 16, 19, 22, 25, 31, 41, 49, 74, and 90 meter bands. Although the antenna is best operated within it s 2. Using the Tee Vertical antenna as a multi-band antenna on 80-10 Ive had very good results. Nov 01, 2015 · HF Loop antennas for the 10 through 20 meter bands are small enough that they can be easily suspended vertically with their broadside radiation pattern pointed in a specific direction. 5:1 • No Tuner needed • Bandwidth: Over 750 kHz A 10 meter ground plane antenna that can be mounted on a mast or used as a ground mounted vertical antenna. One would have thought that 20 meters would have tuned/dipped perfectly being a 1/4wavelength vertical. This antenna is optimized for the lower bands. In this setup, the antenna is set up vertically, instead diagonally or horizontally. 400mhz but should cover most of this 200khz spread with low SWR. mcmaster. com. The ham who has an antenna space problem and yet desires efficient operation on the ten-meter band may well want to consider a vertical antenna. 95 View details Here is the pattern and gain of my two-antenna high 40 meter stack of three element Yagi antennas: The gain of this antenna system is 7. This should be low cost, and easy to build. Cushcraft AR10 10 meter Ringo Vertical Antennas are designed after the original W1BX FM Ringos. The Feed and Phasing cables are added. Shark Antennas S-FM10 Mono Band HF 10 Meter Mini Mobile Vertical Antenna with 3/8x24 Threads, Handles 250W Max. For FM operation above 52 MHz vertical polarization is normally used. 71- 92). A friend of mine built one at the time and it worked great. However the antenna reactance will planned are 80 meters, 40 meters, 20 meters, and 10 meters. The Matching Requirement According to my AIM4170C analyzer, my 43-foot vertical antenna has a capacitive reactance of ~580 ohms on 160 meters. com 12 8 www. In all cases, the antenna runs horizontally across the pattern. The radiating element is a quarter wave (λ/4) and the radials are 12% longer. The Wire Size can range from 16 AWG to 12 AWG. 66 in total. Requires ¼ wave radials for each band or many (60+) short radials. 100: 23' 2'' 46' 4'' Antenna length based on the following formulars: 1/2 λ dipole (feet)= 468 / frequency in Mhz. On the bands from 30 meters up to 10, it’s performance is very good AND it can greatly enhance your shortwave listening on any frequency from 7-30 MHz. Well, if you have the space, time and money for that, go for it! Since things seem to be happening on 10 meters, it's time to build a transmitter and get up there. Master machinest Don Nichols, KV4PH talks about how he built a 10 meter J-Pole antenna. Added small 3el V-Yagi FM broadcast wide band. i made mine out of 1 inch x 1/8 inch thick aluminum strip from lowes . (Meters) 30: 10. S. 175 MHz. Greyline 12-foot DX Vertical Antenna, an OCF vertical dipole for all band HF radio operation. 0:1 VSWR bandwidth,it can sustain a 3. 2 or 15. There is also an appendix on Anntenna Matchbox selection and another on Baluns, including how to build your own simple and effective balun for use with an Asymmetrical Matchbox. December, pp. Pick from here or from the drop down menu at the top of the page to visit the individual product pages for specifications, prices, and a link to the assembly manual for your review. Based on the predictions above a 6:1 to 8:1 turns ratio will be close enough. But it is a lossy antenna on 11 and 10 meters. 1/2 wave antenna principle. Initially the 10 and 20 meter radials were bolted to the earth bracket. • 6 meter or 10 meter shared repeater etc. Oct 04, 2014 · The 10 inch diameter sounds about right The commercial half wave version uses the base mounting to provide capacitance across the ring ( radiator is in a insulator inside the base mounting tube ,the length of tube inside the other affects the match , a bit like a gamma match rod) I found the design to be very fussy , the match changed Any antenna tuned for 80 Meters should also work on 20 and 10 meters as well. The bottom section is a guyed mast, which is guyed with four 1/4 wave tuned radials. Reports are excellent. 40 meter 6. , WL = 0. I plan to install the telescopic antenna very near the existing dual band antenna. (UNUNs are designed to work with resistive loads!) 40-10 m OCF antenna layout . Usually, there are roughly 120 radial units on your vertical antenna system. Only the kindness of my next-door neighbors (who let me use one of their trees for the antenna) kept me on the air. net Abstract A coaxial-cable trap dipole antenna installed in the attic provides a surprisingly effective solution to HF operation on the 10, 15, 20, 30, 40, and 80 meter amateur bands at a QTH with restrictive covenants that prohibit outside antennas. 102" whip for rooftop 10 Meter vertical. telescopic + 5 ft. Base Antenna HF (20,15,10 Meters) Tri-Band Base Vertical Antenna. 10 and 20 meter band. The vertical dipole, also easy to build, is not real popular with hams. 0312 Meter . 1 Mhz. The longer the antenna, the greater the radiation resistance and therefore the less impact on efficiency from ground and coil losses. 53 dBi 63 –j74 vs 7. This type of antenna is quite similar to Yagi-Uda antenna but instead of using a straight element, this antenna uses a square , round, or some other shaped closed Jul 13, 2019 - Explore Chris Ferguson's board "Cobweb antenna plans and parts", followed by 103 people on Pinterest. If an antenna works on 40 it should work on 15 as well. It is good for strong signal reception and tranmission. MFJ-1890 10 Meter Moxon Antenna (Tested on 10 meters & 11 meters/CB Band) Recently I got my hands on MFJ’s new 10 meter Moxon antenna. Attic antennas •Many types of antenna can be mounted in the attic IF you don’t have Radiant Barrier (Tech Shield). A dirt common 102" whip should work okay, just need to trim it a little. A Ground Plane antenna project for 10 meters band by N4ZAW. The unique design characteristics of this 10-160 Meter HF JPole antenna enables it to approach resonance on the major HF bands (10/12/15/17/20/40/80 Meters), all of which presents an SWR that is low enough for external tuners to achieve a near perfect match, including 160 meters. A suitable vertical antenna can be made self-supporting, and is non directional. Petlowany Three-Band Burner Antenna -- Trapless short vertical antenna - Resonant on 20, 15 and 10 meters, without traps, 12 and 17M with a tuner. 960MHz to 29. This means it creates a half wave length for the 40 meter band. Use the formula below to determine the turn ratio. The decision to use four radials is to simplify the raising of the antenna rather than for performance. 300mhz and 28. Use of a compound You can also use these traps to design HF vertical multiband antennas using either wire or aluminum tubing. It started with fairly crude traps to cover 10-15-20-40m in a 30′ long vertical wire for 10-15-20m and a horizontal or sloped extension for 40m It is easily supported with a 31′ telescoping fiberglass pole. ), LOWER the antenna under 10 feet; you will get a bit weaker signal, but much lower noise floor, 40 Meters Design. The Hy-Gain 14AVQ of my youth sells new for about $230. feet) – 2. Oct 25, 2015 · If you didn’t have enough space for the 80m antenna, you could consider stopping at the 180° point on the chart, where again there is another convergence of zero amplitudes for the 40, 20, 15, and 10 meter bands; or maybe you could stop at 250° and attempt to capture the 60, 15, 30, and 12 meter bands. No Radials for Higher Performance, Lower Angles, Lower Noise and Lower Loss, for DX 80-6M. I folded over the wire at the tip to shorten it up. The following notes are extrapolations from studies published in Communications Quarterly, Summer, 1997 (pp. As you see, the antenna is a sloping, center-fed, doublet. ' QST. HF Antennas for HF beginners – 30 Meters and Below 5 Take the time to get the resonance exactly right. A 10 meter ground plane antenna that can be mounted on a mast or used as a ground This 160 meter antenna is a "single band" antenna. However, my Alpha antenna requires an antenna tuner because the SWR is over 2:1 on all bands 6-80 meters except on 10 meters where the SWR is an average of 1. Now comes the time to connect the antenna wire/counterpoise. $89. Ber. Basic Design - Chosen length: 27 ft. My neighbor's tree is much higher and so my vertical went from 22' to over 40' tall. How to Make a Homebrew Mobile VHF Antenna. on the 70 cm (440 MHz) band and 25 MHz. pipe) - Similar to the antenna used for DXpedition (reference 1) “Antennas Here are Some Verticals on the Beach”… R. The disadvantage of working with a shorter antenna is that you will have a limited bandwith. 2. Further, this antenna must be tunable over at least Transmitting Antennas The 125 foot vertical: the 160 meter gold standard at least 30-60 shallow buried 120 foot radials 4-square arrays of phased 125 foot verticals very high performance for both transmitting and receiving at least 30-60 shallow buried 120 foot radials for each vertical Tall towers and antennas will significantly degrade the SWR-related losses of the original antenna from 60-10 meters. ) If you would rather calculate the length of a full-size vertical antenna, see The Quarter-Wave Vertical Antenna Calculator. (UNUNs are designed to work with resistive loads!) 2019-07-21 After putting up my 40 meter end fed half wave antenna discussed below and reading comments on Facebook about EFHW antennas I decided to do some testing. Pay no attention to the wire going-off horizontally from the base. Fast & Free shipping on many items! Oct 03, 2013 · Prototype #2 was a "4 Band" ( 40 - 30 - 20 - 10 meters) antenna. For fixed-station-to-mobile operation, the vertical antenna gives consistently better results than a horizontal antenna. The coil diameter will be ≈3 inches, wound with #10 silver-plated wire, at 6 tpi, wound on a form with a dielectric constant no higher than 3, and mounted about the half way point or The measurements below are for building a Double Bazooka Near Vertical Incident Skywave (NVIS) Antenna. I built my first homebrew 160 meter transmitter in 1959 with parts from a discarded TV set. With a length of 11 meters or more additional guy wire could be used. An update - first off, its an HF vertical ground plane antenna, other than a lower takeoff angle compared to a dipole, there's nothing special about verticals. Many improvements have been made since my original article "Omni-Gain Collinear for 70 cm and 23 cm" was first published in the May 1982 issue of 73 magazine. Sometimes, the roof-top is not accessible for a simple monopole with radials. It’s also a great antenna for emergency communication and can be fabricated and launched in a matter of minutes. After watching the video, please read the field test stories below the video as this design flies in the face of a theoretical 80-meter NVIS antenna design. 64 wave on the 10 meter amateur band. As an alternative, you can make your own switched shunt inductor. Cebik, W4RNL (SK) Many 10-10 operators live in restricted spaces calling for a vertical antenna. 1/2 λ dipole (meters) = 142 Quater-wavelength in meters: 71. Parts are available at most do-it-yourself stores. This enables the Alpha Loop to be heard and be more Effective than any other manufactured loop , as other loops just can’t take the power that is often needed to Each pattern uses the TO angle. If you want to try to use this antenna on other HF bands anyway, you will need to use a wide range antenna tuner to handle the unpredictably high VSWR values. Good Vertical Antennas • A straight quarter-wave (Best) –λ/4 ~ 125 ft at 1830 kHz with THHN • Inverted L (Good) –Go straight up as high as you can with a wire, then bend the remaining wire to run horizontal to resonate it • Tee vertical (A bit better than L) –Like an inverted L, but the top is extended in opposite directions Great deals on 10 Meter Antenna. A much better type of antenna then a simple quatre wave and that has more gain is the 1/2 wavelength vertical. You can make a transformer that will handle up to about 400w SSB for about $10, let me know if you need the plans. Luckily, there is an easy, relatively compact and better performance 160 meter antenna design available, created by Rudy Severns N6LF ("Another Way to Look at Vertical Antennas), described in practical notes on John Tait's Antennae for the Low Bands page. 5:1 over the entire band. 37 Wind Rating – 85 Pattern – Omni Please see individual antenna Building and experimenting with antennas can be an interesting part of the radio hobby. 7 ft (20. There are two parts of the video, one showing you how to make it and the other Today, I’m going to show you how you can easily build a homebrew 2 Meter ¼ Wave vertical antenna for under $10. We have assembled the best team, suppliers and parts manufacturing to provide our clients with HF antennas that will be considered a work of art. To use the calculator, enter the desired operating frequency in megahertz to get a starting length in both feet and meters for building a quarter-wave vertical antenna . 99 The half-10 Meter and 6 Meter Rotatable Half-Wave Dipole Antenna. Spacing to the driven element in all cases is 10. Measure 206 11/16 inches from the end of each wire, and cut the wires to this length. With that said, go look up the cost of one that is being sold in the magazines and on the web. This antenna is perfect for HAMS that need a quick reliable solution for local 2 meter communication. This gives rise to needing an antenna. 00! Wow! These guys are making some good markup! Features of the K0WA 40 meter verticle. 0 design: kg4jjh 11/15/05 tested: kg4jjh kg4jjh scale: noted sheet 2 of 4 13 16 www. This calculator is designed to give the vertical length (height) of a particular antenna, for the frequency and wavelength chosen. And Vertical antennas suffer from ground obstruction and other noise. In the tutorial, you'll find out how to make this temporary mount that can be used when going out into the wild or just hanging around your home. It is strongly recommended that a high voltage handling parallel network matching device be used to load up the linear loaded voltage fed Tee Vertical antenna. 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. Noisier than horizontal antennas Easier to hide in antenna restricted areas (can be VHF 1/2wave vertical antenna for the 6-meterband (50 Mhz) RE-A50V12 By Guy, de ON6MU. 10 meter was terrible though. Or make or buy a matching transformer for an end fed half wave and you can use as is and get rid of the ground radials. (*) I've been using a 10 meter dipole but my local ham club is starting up an HF net and almost everyone is getting better results with a vertical. I used a 50pf vacuum variable. 1:1 SWR at the antenna connector of each Vertical. The other side of the SO-239 is attached to a horizontal half-wave phasing line and then connected to another vertical element (1/4-wave) aiming down to the ground. 65dB. Frequently Asked Questions Pixel buds 2 battery drain,. When you design a coupler for this antenna it helps to know what turns ratio you should use. We have complete OCF antennas and also the impedance transformers and chokes as separate products (see below for various options with and without vertical radiators). Apr 10, 2012 · Currently I have 20 feet with the military mast plus 18 feet with the crappie pole for 38 foot at the tip. The SWR showed a nice resonance point but it was below ten meters more like eleven meters. Assuming we're using an 80 through 10 meter screwdriver antenna, and you jump through all of the optimal Q mathematical hoops, this is what you'll discover. It is a half wave dipole designed for the center frequency of 28. Example antenna for 20-17-15-12-10 meter (High HF + WARC) Ideas (cheap) for Vertical Antenna Insulators. Nov 13, 2012 · After a number of successful mono-band EFHWs I decided to try a multi-band trap version to use without a tuner. Aug 12, 2012 · i home-brewed a GP using a maco type tuning ring . 0 m) above ground. Yes it says ham but the same principals apply to CB as to ham, it is all radio. 168 MHz Good 17 meters antennas are easy to build with nothing more than readily available materials. 2%. 41: A 10-Meter J-Pole L. Watch the following video to see how to build and erect a basic 80-meter NVIS antenna. 19-8-2016. Users of magnetic loops must be content with bandwidths of say 10 or 20 kHz at 7 MHz or a little more than 0. These encourage the high-frequency capacity of the unit. Bandwidth is normally 10 MHz. Reisenauer, Jr. 6-160M HOA Buster antenna defeats I'll have more to say later about the radial system and its effect on the antenna. My 40 meter vertical cost me $13. Personally I prefer the Coke bottles for 10 to 17 meter antennas, and thicker wine bottles for 20 and 30 meters. If you want a combination of compact size, wide bandwidth, and a low radiation angle, then these economical antennas are for you Find Cushcraft AR10 10 Meter Ringo Vertical Antennas AR10 and get Free Standard Shipping on orders over $99 at DX Engineering! This calculator can be used to design a Quarter Wave Ground Plane antenna, with radials. See why the Greyline DX Vertical Antenna is called a high-performance antenna system. However, if you are using the lower end of the HF spectrum, the vertical antenna is the clear winner with a height An Attic Coaxial-Cable Trap Dipole for 10, 15, 20, 30, 40, and 80 Meters John DeGood, NU3E nu3e@arrl. Compromises must be made to achieve such wideband performance. On the negative side, vertical antennas are harder to home-build and tune compared to wire antennas. 8 ft (10. antenna projects for 10 meters band category is a curation of 78 web resources on , DIY 4 Element Yagi, A 10 metre EH Antenna, The 10 Meter Loop Antenna. 300 Ohm Twin Lead with the ends shorted is an option for even greater bandwidth. One of the simplest antennas to have, and to model, is the quarter-wave vertical. This antenna performs well in restricted space areas. Reading end-of-August 160 meter plans and antenna speculations, it's interesting that one reflector's most popular thread concerns 160m four squares. 86` diameter (9`circumfrence) loop for 20 meters with spiral wrapped 3" diameter pool noodles. 6, page 216 - Radials above earth for best efficiency 5 Vertical antennas are radiate in all directions around the antenna, unlike dipoles which are a bit directional. HF Antenna: 200W SSB: UHF: 9: 21' 80: CP725H: 40m/15m/10m/6m Trap vertical with radials : UHF: 6. This calculator was adapted from the Coil-Shortened Dipole Antenna Calculator. Portable DS1 Vertical Antenna 40m-10m Portable UnUnTenna 40m-10m Portable UnUnTenna Plus 40m-10m Portable Tri-Band Vertical Antenna 40/30/20m Portable No … Vertical Antennas Mono band ¼ wavelength with ¼ wave counter poise or radials or Vertical Dipole that does not require radials. 21-10-2016. MY BIG VERTICAL ANTENNA PROJECT This memorandum describes my Fall antenna project, specifically a DX-Engineering, Model DXE-MBVE-1, 43 foot mono pole vertical antenna. 48 118 + j316 12 meter 10. 6: 11' 8" 100: CP5H: 40m/20m/15m/10m/6m 6 meter 2 element: 6. 350 Mhz, Entire 15 Meter Band, 28-30 Mhz. 's call it it is all aluminum. Traps for different bands can be combined onto one dipole to create a single antenna tuned for maximum gain on all your favorite bands, from 160 to 10. But the special thing about this is, the I-MAX 2000 measures out to a sweet . HF MULTIBAND ANTENNAS The Heart of these products is the ”KT” series. Since 17 meters covers the frequency range of 18. These will also work, but will require playing with the inductor a bit to get the antenna to “tune” on 6 meters, and radiate instead of being a dummy load. For even better performance on the bottom bands only, special VERTICAL RADIATORS , optimized for 80 or 40 meters, are available. Theory said this should work 10-20 meters. Don Murray W9VE Building a Dual-Band Antenna Mentorfest 10/23/04 15 If some is good, is more better? • The standard J-pole extends ½ wave above the top of the matching stub, with maximum current in the middle of the ½ wave element. Oct 10, 2020 · The vertical antenna is the style of antenna setup. 10 meter vertical antenna plans

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