Not perfectly ideal but acceptable enough if you wanted to run both bands with one antenna. 20 Everything went together nicely in about 15 minutes. By signing up you are agreeing to receive emails according to our privacy policy. A two element 10-Meter beam designed for portable or permanent installation. But would it work? . It helps in transportation and makes tuning the antenna a snap. In the past I had used a U-bolt and clamp arrangement, but this technique requires care in keeping the elements parallel to each other and to the ground. Many antennas have been invented simply by necessity. These clamps are shaped like a letter C, come in all sizes, already have holes in them for attaching to the straps, are easily bent to fit around the 1 inch element, and are inexpensive. I inserted the the four remaining tube sections in place (using the two shorter 3/4-inch tubes on the driven element). WebThe design is broadbanded enough that you could still go up to 10 meters and talk with around a 2.0 SWR. WebBuild a Portable 10 Meter Yagi Antenna Dave Tadlock 26.9K subscribers Subscribe 34K views 8 years ago A simple 2 element 10 meter yagi antenna ready in time for Field Day , A two element beam made from electricians thin wall tubing. Making open wire feed line; 2 element beam for 20 meters from gw0jxm; DIY Portable Discone Antenna; 49:1 End Fed Half Wave Multi-Band Antenna; New 160 Meter Antenna; 2m/70cm Ground Plane Antenna; The NE0U 160m EZ-L Antenna at WX0V; Tri Use wire of similar nature. HF Portable-Choosing the right antenna; How to build an inverted L for low bands. 28.7K subscribers. Making open wire feed line; 2 element beam for 20 meters from gw0jxm; DIY Portable Discone Antenna; 49:1 End Fed Half Wave Multi-Band Antenna; New 160 Meter Antenna; 2m/70cm Ground Plane Antenna; The NE0U 160m EZ-L Antenna at WX0V; Tri ERP One answer is to operate mobile. Explore the 12- and 17-meter bands with this small, lightweight Yagi. Also you need: U bolts, screw, nuts, time and courage! All tip submissions are carefully reviewed before being published. A two element 10-Meter beam designed for portable or permanent installation. The straps themselves can be made of any sturdy insulating and conducting materials. I was fortunate that it was a beautiful summer day and that I had my wife, Donna, AA1DQ, to help me. WebThis antenna is being built for 10 meters centered at 28.400 Mhz. 1. As a last resort, adjust the driven element length. The telescoping feature is important. Were going for portability here! Not perfectly ideal but acceptable enough if you wanted to run both bands with one antenna. It helps in transportation and makes tuning the antenna a snap. *** Remember to keep records. Approximate Resonant Feedpoint Impedance = 135.777 Ohms before added matching section. These particular verticals come with a tuning adjustment that will enable them to be used even down to 20 meters with a tuner. The two 7/8-inch tubes were cut in half to yield four four-foot lengths. Right in the middle, cut one of the two wires and cut back about 2cm from each strand. I used 1-inch x 2 1/2-inch aluminum angle scrap because it looked about right. Your local hardware store has aluminum angle in various dimensions and lengths. Build a portable 10 meter Yagi Antenna; Field expedient VHF antenna made from TV coax; Water's Edge Portable DX: A half-square antenna; Using a manual antenna tuner: Ask Dave episode 5; Building a spiral loop antenna for 20 meters; Build a Dipole Antenna Center Insulator; Ground Spike Antenna using the Earth to receive VL Wolf Materials: Except the aluminum tubes and rod, you need three aluminum plates 15X15cm to support the elements up on the boom and one more plate 20X20 to support the boom to mast. Web1-16 of 72 results for "10 meter beam antenna" RESULTS Solarcon - IMAX-2000 CB/Ham Radio Base Station Vertical Antenna, 24-Feet 4.5 (390) $30900 FREE delivery Mar 27 - 31 Or fastest delivery Sat, Mar 25 Only 9 left in stock - order soon. If you continue to use this site it is assumed that you are happy with it. System , , . She could see that I was clear of the antenna before keying the transmitter. Web1-16 of 72 results for "10 meter beam antenna" RESULTS Solarcon - IMAX-2000 CB/Ham Radio Base Station Vertical Antenna, 24-Feet 4.5 (390) $30900 FREE delivery Mar 27 - 31 Or fastest delivery Sat, Mar 25 Only 9 left in stock - order soon. A 2 element beam antenna for 10 meters band. I then cut a small piece off the un-swaged end of the second five-foot TV mast (so it would fit in the trunk) and installed it into the tripod. This is fine for permanent installations, but not something to he bothered with while operating portable. Approximate Resonant Feedpoint Impedance = 135.777 Ohms before added matching section. Tel: 1-860-594-0200 | Fax: 1-860-594-0259 WebA Simple 2 Element Quad Antenna for 10 meters - Quads beams consist of 2 1 wavelength (approximately) loops, ordinarily arranged so that one is the driven element and the other is the reflector. Materials: Except the aluminum tubes and rod, you need three aluminum plates 15X15cm to support the elements up on the boom and one more plate 20X20 to support the boom to mast. The sequence shown above is that presented in QST. As the DX faded I got a chance to test out the gain of the antenna versus my vertical antenna. hq@arrl.org. The light-duty stuff is plenty strong and comes in five-foot lengths. In the old days we used tuning capacitors from discarded AM radios. In this project author explains how to A two element beam made from electricians thin wall tubing. In this article Ill describe the antenna and provide some construction tips that may help you avoid some pitfalls if you take on this worthwhile project. Webohms coaxial cable with antenna's low impedance. One 3/4-inch tube was cut in half to yield two four-foot lengths. Youll also need eight hose clamps sized to fit your tubing. Build a portable 10 meter Yagi Antenna; Field expedient VHF antenna made from TV coax; Water's Edge Portable DX: A half-square antenna; Using a manual antenna tuner: Ask Dave episode 5; Building a spiral loop antenna for 20 meters; Build a Dipole Antenna Center Insulator; Ground Spike Antenna using the Earth to receive VL Wolf . 28.7K subscribers. I then took the 1-inch tube and cut a slot in each end to a length of about 1 1/2 inches. So, how does it work? Include your email address to get a message when this question is answered. In this project author explains how to Say no to HOA Antenna restrictions! M Logitech Co., Ltd. From the remaining 3/4-inch tube I cut off an 8-inch piece (for later use in the gamma match) and cut the remaining length in half to yield two lengths a little over 3.5 feet each. It performs well and can be erected by one person in about 15 minutes. You wont believe how big a 10-meter beam seems when its inside a garage! When erecting the system I could simply slide the sections to the rings and tighten the hose clamps. Newington, CT, 06111-1400 USA % of people told us that this article helped them. wikiHow is a wiki, similar to Wikipedia, which means that many of our articles are co-written by multiple authors. In this project author explains how to Here's a cheap, easy-to-assemble, two-element Yagi you can build for 10, 12, or 15 meters. I used black when marking the driven element and red on the reflector. Make A 10 Or 20 Metre Yagi Beam Antenna In Your Attic Radio And How To S Portable 10 Meter 28mhz 2 Element Beam Using Cb Whips By Kl7jr A Small 10 Meter Very Wide Band Yagi A Short Boom Wideband Three Element Yagi For 10 Meters How To Build A Limited E 10 And 20 Meter Band Square Halo Dx Antenna Pa9x 10 Meter Making open wire feed line; 2 element beam for 20 meters from gw0jxm; DIY Portable Discone Antenna; 49:1 End Fed Half Wave Multi-Band Antenna; New 160 Meter Antenna; 2m/70cm Ground Plane Antenna; The NE0U 160m EZ-L Antenna at WX0V; Tri Normally the capacitor should be tuned first, but as you will find if you construct the antenna, the fit of the the inner rod, the plastic tubing (the capacitors dielectric) and the outer tube is quite tight. Webohms coaxial cable with antenna's low impedance. 40 meter Yagi antennas, are complex to build due to the overall antenna dimension, and the world wide web unfortunately does not offer many projects, but we discovered some realizations that could inspire you to build one. As the DX faded I got a chance to test out the gain of the antenna versus my vertical antenna. The telescoping feature is important. If you find that the SWR at your chosen frequency is unacceptable, begin adjusting the gamma match by sliding the center bar in or out.. One 1-inch tube was cut in half, yielding two four-foot lengths. Slip on a corner clamp and then a 2 Explore the 12- and 17-meter bands with this small, lightweight Yagi. I then enter the lowest SWR point (resonance) at the appropriate X-Y position. How to build an Hexagonal antenna in 3 hours (by EI7BA) Reflected W Beam Hexagonal Wire Beams for 40-10m from DL7IO, different mono/multiband designs with building descriptions and model files for EZNEC (by DL7IO) I did the same at one end of each 7/8-inch tube. There are actually several ways to feed a plumbers delight antenna, but the gamma match is probably the simplest. In the garage I erected a 3-foot tripod. My manuscript had a different sequence, but I was persuaded by the editor to change it. This assembly was mounted to the driven element so that the larger end (the one with the bolt) was directly under the center of the element and the two tubes were four inches apart center-to-center. Because the element mounts must be as parallel as possible and the boom mount must be at right angles to them for maximum efficiency (and so your antenna doesnt look like its under the influence), make the boom holes with a drill press if possible. As they say, If it aint broke, dont fix it!. . Explore the 12- and 17-meter bands with this small, lightweight Yagi. Right in the middle, cut one of the two wires and cut back about 2cm from each strand. A tutorial on the Yagi antenna with construction of a two element beam for 10-, 15-, or 20-meters. The beam had to fit in the trunk of my Subaru (limiting the largest component to about four feet in length) and had to be easy to assemble and erect on site by one person. I then slid the un-slotted ends of the four 7/8-inch tubes into the ends of the 1-inch tubes, holding them in place with hose clamps. Also you need: U bolts, screw, nuts, time and courage! Approximate Free-Space Gain = 7.03 Approximate 2:1 VSWR Bandwidth = 8.77% of Design Frequency, 2.493 mhz Approximate >20 dB F-B Ratio Bandwidth =1.782 % of Design Frequency, 0.506 mhz And the magic words are gamma match. In my experience, I've used more than a few receiving loops successfully for several hundred-mile connections utilizing an antenna tuner and low power (QRP) output. Solder the connector to the cable instead of crimping it. Your mileage may vary. How to Create an Internet Radio Station: Step-by-Step Guide. When making this adjustment, you want to be sure that the plastic tube and center bar slide together, as a single unit, within the outer tube, insuring that the plastic tube and bar ends remain flush. Locate your antenna as close as possible to your radio room to prevent loss of RF energy. Some well-designed and easy-to-build antennas for the 12- and 17-meter bands, A portable easy to build light weight antenna. I know Hams who have used an AA magnet mount antenna on a refrigerator top and even cookie sheets in the house in order to use the local wide-area repeater that operates at just below 147 Mhz. The gamma match is held on by an insulated strap at the end closer to the center of the driven element and by a conductive aluminum strap at the other end. Most beam antennas are made with aluminum tubing because its strong, lightweight and available in sizes that telescope into each other. The antenna has been used several times mountain-topping and contesting. })(); Make A 10 Or 20 Metre Yagi Beam Antenna In Your Attic Radio And How To S, Portable 10 Meter 28mhz 2 Element Beam Using Cb Whips By Kl7jr, A Short Boom Wideband Three Element Yagi For 10 Meters, How To Build A Limited E 10 And 20 Meter Band Square Halo Dx Antenna Pa9x, 10 Meter Technician Cl Dipole Build A For Meters, 10 Elements 50 Mhz World S Best Gain Yagi Antenna 6m10dx15, 10 6 Moxi 5 New For 2016 Meter Moxon Yagi Hybrid, Arrow Antenna 6m 6 Meter 4 Element Yagi Beam, Pg1n S Ham Radio Site Multiband Hf Beam Antennas, 2 Element Parasitic Yagis By Dk7zb 10 15 20 30 Meters, A 2 Element Direct Feed Yagi For Multiple Bands By Wb2vuo, Beam Over Doorway Crossword Clue 5 Letters, How Many Calories In A Jim Beam Black Can. A two element 10-Meter beam designed for portable or permanent installation. The holes in the larger dimensions should be tailored to allow the mounting of the 1 1/4-inch U-bolts for the elements and the 1 3/4-inch U-bolts for the mast. Theyre lightweight, strong and readily available at most Radio Shack and home stores. I would make the adjustments while Donna, visible through the shack window, keyed the transmitter and recorded the SWR readings. WebThis antenna is being built for 10 meters centered at 28.400 Mhz. This is a wise question! Wireless is what they called it back then, and still to this day, wire antennas are sending signals out on the airways. Later, when you mount them, be careful not to crush the tubing. Tuning caps are as scarce as hens teeth nowadays, so I decided to try a technique Id come across in the 1974 ARRL Antenna Book** incorporating the capacitor into the structure of the gamma match. IU New Ham Radio Callsign Prefix in Italy, Licensed Amateur Radio operator in 1996 as IW5EDI, active member of, Class 1970, married with two childrens, love experimenting and antenna home-brewing. Mostly HF beams, including the trapped Hygain TH6DXX. 2 Element Helical Yagi Beam for 40m A helically wound two element 40 meter yagi beam antenna from a 1974 Strip carefully, tie the ground sections together, and solder to the negative side of your antenna lead in wire. This site use cookies to ensure you the best experience in navigation. var _Hasync= _Hasync|| []; Make A 10 Or 20 Metre Yagi Beam Antenna In Your Attic Radio And How To S Portable 10 Meter 28mhz 2 Element Beam Using Cb Whips By Kl7jr A Small 10 Meter Very Wide Band Yagi A Short Boom Wideband Three Element Yagi For 10 Meters How To Build A Limited E 10 And 20 Meter Band Square Halo Dx Antenna Pa9x 10 Meter With the solar maximum just around the corner, I decided that a portable 10-meter beam was necessary. Amateur Radio has been a supreme way of communications for many ways of getting messages from one place to another for decades! 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Right in the middle, cut one of the two wires and cut back about 2cm from each strand. It helps in transportation and makes tuning the antenna a snap. 40 meter Yagi antennas, are complex to build due to the overall antenna dimension, and the world wide web unfortunately does not offer many projects, but we discovered some realizations that could inspire you to build one. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/d\/dc\/Build-Several-Easy-Antennas-for-Amateur-Radio-Step-1.jpg\/v4-460px-Build-Several-Easy-Antennas-for-Amateur-Radio-Step-1.jpg","bigUrl":"\/images\/thumb\/d\/dc\/Build-Several-Easy-Antennas-for-Amateur-Radio-Step-1.jpg\/aid902279-v4-728px-Build-Several-Easy-Antennas-for-Amateur-Radio-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"