2 element 20 meter yagi Trapped elements are shorter than full size because they are inductively loaded dipoles. 1,63m. * as antenna goes up resonant frequency go up quicker on 20, to lesser degree on 15 and and even lesser degree on 10 meters. 16x1,5mm. 1 at 50 ohms on all 3 bands and just where I wanted it. Insulating Guying provided elements (longevity more than 25 years): see pictures. Sep 22, 2020 · The Hex Beam is 33 feet up. 1 to 0. The antennas are feeded with the DK7ZB-match. The "driven element" of such antennas is a dipole. 2-Element parasitic Yagis by DK7ZB for the Shortwave-Bands 10m-30m No other antenna has a better relation between gain and expense than the 2-Element-Yagi. This antenna functions in a manner that would normally be consistent with a three element Yagi, due to its unique 57” (1. 18 ft. At the two end of the boom a plate about 5-inch length and 1. 40 meter 2 element beam Yagi (7 MHz). Max power: 1500 Watts PEP. This antenna weighs about 25 lbs. Listed under the Antennas/10M category that is about Antennas for 10 meters band. With multi-band antennas, the designer has to compromise and no band reaches the optimum gain of the F/B ratio. The dimensions for this fat wire Yagi are these: Driven element = 64'; reflector = 70'; spacing = 20'. DXM20-4sb) A 2-Meter, 6-Element OWA Yagi. However, this particular yagi was run through a computer program and performed very well. Mark a "center" line at the 12" inch mark and space the holes for your corner "L" brackets on the back side of the base plate so the boom The HexTenna Yagi Beam by Alpha Antenna® is a 2 through 20 meters, legal limit, and full-size portable VHF/HF system for amateur ham radio and continuous coverage from 144-13. For example, 0. 625 inches (220. 2 wavelength in front or behind it is all it is. 04 ft. 10) on the mast at the desired height above your tower. It covers the 10/15/20 meter bands with amazing performance and just one coaxial cable. 01: 2 Element Yagi with 40/30 20m-6m Director 20m-6m Reflector Passive Element 20m-6m Driven 20m-6m Driven Figure 1. With the spacing shown, the 2-Element yagi will exhibit 4. Forward gain almost identical to that of a two-element Yagi but with better F/B ratio. This antenna is based on the classic Force 12 design and optimized with a single transmission line feed system. The pattern of left is for a two-element 20-meter quad 35 feet high (1/2 wave high). The SteppIR two element 20m-6m Yagi has a small profile, but it offers big performance. Specifications: Power: Full legal limit; RF Connection: SO-239; Frequency: 2 – 20 Meters Aug 5, 2016 · A full-size ( = ½λ) dipole antenna for the 20 mtr band spans about 10 meters (33 ft). Shortened element with high-Q loading coils PTFE insulated and weatherproof. The Front/Back Ratio will be about of about 12 dB on 6 thru 20 Meters. It was installed on a short mast about 15 to 17 feet The photographs should assist in figuring out the brackets etc. 6 inches wide is bent in to the form of an arc welded. Excellent mechanical properties. ft. Discoverer 7-2 antennas incorporate the principles of linear-loading. this antenna was designed for the cq ww cw 2009 at ea8url all elements are made out of fishing rods with an insulated copper cable fixed on the rods by cable ties both fishing rods and cable are uv resistant . Related Posts via Taxonomies. With 5 elements the wire yagi would be 30 meters longs, which is about half the distance between the towers. 67-69 A two element 10-Meter beam designed for portable or permanent 2 Antennas 20M4DX HF Monoband Beam Antennas are full size, 4 element, 20 meter Yagis that leave the competition in the dust! The engineers at M2 Antennas used computer design techniques, and verified with NEC programs and range testing, that their 20M4DX beams have superior gain performance figures to the other 4 element Yagis on the market. The SteppIR two element 20m-6m Yagi has a small profile, but it offers big performance. . Boom Length: 6 feet. Include link the original to QST article. In addition, the antenna uses 6' lengths of hardware store aluminum tubing for the elements, making parts acquisition easier. High gain, High power, wideband operation antenna, low SWR, excellent F/B. Position: Reflector. THE DIRECTOR The director/s is the shortest of the parasitic elements and this end of the Yagi is aimed at the receiving station. It actually performs more like a smaller 3 element yagi, due to it’s innovative 57 inch boom. It was also scaled to 70 cm on a test range by the late VE3UD, Bud Punchard and the results compared with the computerRead More 40-meter Yagi 2 elements driver-reflector at 100ft above average ground. 20 meter 2 element beam Moxon (14 MHz). I am thinking of a 2 element design with a 18’ – 24’ boom length. Two on 10 QST April 1999, pp. We can also provide you with custom settings to suit your operating preference such as peaking your gain and F/B in the CW portion or the Phone portion of the band. 5 kW, 24 ft. At 2-meters, we can use uniform element diameters for 30 meter 2 element beam Yagi (10 MHz). 116-wavelength element spacing should be 18 feet 1/2-inches. 2 Meter Yagi Amateur Antennas The Laird (Cushcraft) A144-11 is a high performance yagi antenna for 2 meter DX. 48 Select options This product has multiple variants. A tri-band yagi element on 20 meters has both the 10 and 15 meter traps behaving as inductors. Here different materials have been used for construction as these are easy to obtain here in the UK other than this the design is essentially the same. This unique design places full size elements along the boom in the same plane and produces amazing 2 element monobander performance on all 5 bands. The ZX-10-2 2-element 10m Mono Band Beam, The famous ZX Mono Band Yagis designed by ON4UN. Of particular a simple to build yagi 2 element antenna for 15 or 20 meters band by 9m2mso. 56m) boom length. 5” (1. The horizontal elements handle your CW and SSB needs, while the vertical elements cover FM. m (26. Hy-Gain Discoverer 7-2 40 Meter Yagi Antennas are optimum spaced, two element beams for the 40 Meter Amateur band. 0 Cm) Reflector 1/2 element = 91. 4NEC2 simulation was utilized for all results (a highly capable simulator interface Mar 30, 2009 · Rick I can see where keeping a 20 meter moxon symmetrical would be a PITA if in a windy QTH. One good suggestion is the "Ugly Balun Project" as seen on this site. 2,04m. I like the relay idea, good stable mount, no expense for a rotor and two directions with gain and rejection. 0m: Radiator. After over 60 years as an amateur with many home-built antennas I have concluded that the wire Yagi is the best performing 40-meter antennas one can construct and maintain provided one has trees or other means to support the wire elements for a Yagi. Shortened 2 Element Yagi vs Full Length Dipole via 4NEC2 Simulation for 20m. 3 Element Yagi Antenna, 20m-6m $ 3,473. Single-band antennas have a number of advantages and are the purest form of Yagi. Their excellent front to back ratio and gain make XM240 Yagi antennas the right choice for DX and contesting. Specifications: Power: Full legal limit; RF Connection: SO-239; Frequency: 2 – 20 Meters; Environmental operating parameters: -15 to 130 degrees Fahrenheit and winds up to 50 Mph when appropriately guyed The Navassa-5 is a five band / Multiband Yagi that interlaces 10, 12, 15, 17 & 20 meters on a single boom. 20 meter 4 element beam Yagi (14 MHz) DXBeam - long boom (Ref. See ref. The following are construction details of a 5 element 20 meter monobander antenna originally published by VE3GK. inch diameter . I oriented the antenna to the compass accurately and looked up the heading to the repeater. Stats: Gain: 3. At the even harmonics you get zero reactance in the feedpoint impedance, but the 20-meter Yagi 8-element at 95 ft (30m) The 8 element mono-band Yagi antenna ANT007 on HamSphere 4. 2 elements YAGI for field day operation A wire yagi antenna for 20 and 40 meters band suitable for outdoor and field day operations Portable Yagi for 144MHz a 2 element yagi wire beam antenna for the 20 meter band based on the kj5vw design. Boom, Each. Cushcraft's 2M Hi-Lo Cross Yagi beam antennas solve your multi-mode problems! They feature 10 vertically polarized and 10 horizontally polarized elements that provide an 11. Subject: Re: Assembly Instructions for Model A-142 (2 Meter 14 element Yagi) I could work Europe easily on 20 meters and look forward to many more years of service. 10 meters is (approximately) an even harmonic of 20 meters, so this does not work. 73, Keith WB2VUO. The driven element is a dipole when on 40 and 30 meters Passive Element 20m-6m Driven / 40m-30m Dipole 20m-6m Driven / 40m-30m Dipole Figure 1. I remember a 20-meter yagi in the early 1960`s in the mid west USA, a real monster. 3 dBd of Gain on 11 to 20 Meters. 5' boom, which is under two-thirds of a wavelength. Best of all, there`s no power-robbing matching network or finicky Feb 28, 2000 · One of the chief attractions of the D/DE design is the short boom length required for the antenna. That being said, the calculator only deals with a Two Element Yagi that consists of a Driven Element and a parasitic Director. I have the Maco BA1 dipole, thinking of adding another element and make it a 2. 0 out of 5 stars The beam’s driven element should be 17. mast. 6 days ago · The 2-Element-HB9CV-Beam The HB9CV-Beam is a 2-Element-Yagi with two driven elements and was introduced by Rudolf Baumgartner, HB9CV in the 1950ies. DXM20-4lb) The HexTenna Yagi Beam by Alpha Antenna® is a 2 through 20 meters, legal limit, and full-size portable VHF/HF system for amateur ham radio. The main restriction is to keep the required Gain between 11. 20 metres came in at 1:1 and 50 ohms at 14,152 Mhz The results were excellent with SWRs of 1. A quarter-wave choke of coax is grounded at the socket. Sample plots for 15m 3-element wire yagi. This is to clamp beams to the boom. Jul 9, 2021 · Dipoles are resonant on odd harmonics of their fundamental frequency. That is largely due to the insertion of the ladder line between the elements and the switch box. I was able to directly compare performance on 6 meters with my 3 element M2 beam at 20 feet. Fig I shows the construction of the boom and the supporting shaft. Elements made from 35 to 12mm tube. Nov 17, 2015 · On bands where a trap passes the RF it is not doing so without effect. Cut two 1" x 2" pieces of oak to a length of 2 feet. Near home brew 60-ft 20-m yagi at 90-ft. The 20 mtr version is compact and light enough that you can use it with a simple TV antenna rotor/rotator. I wanted Cushcraft 2M Wideband Yagi Beam Antennas. Elements ( 1 half) 35x2mm: 30x2mm: 25x2mm: 20x2mm. The results are in. Elements made from 30 to 12mm tube. Check out the Ham Radio Adve a portable 2 element triband yagi antenna that can work on 10 15 20 meter band by ve7ca. ) Wind Area, Includes Balun, Each Part Number: DBO-OB17-4-P Not Yet Reviewed Aug 23, 2019 · I would like to leave open the possibility of a wire 40 meter yagi pointed at Europe, strung on a catenary between the big towers. 22-24 Here's a cheap, easy-to-assemble, two-element Yagi you can build for 10, 12, or 15 meters. Part Number: DXE-3X10 5. Performance on 20 meters seems to lag just a bit. 5 and 6 for similar designs. 5 1 source Wire 2, center 50 Mhz 2 element yagi built 5/13/2006 Used in the May Sprint contest. Any ideas or info. This sketch shows a semi-exploded view of the antenna. 79 Add to cart; 4 Element Yagi Antenna, 40m-6m Package A high-power 1:1 balun is included. Probably the easiest rotatable beam is a 2 Element Yagi, both in the mechanical and the electrical sense. 45m) boom length. Having a hard time finding any info for a 2 element yagi for 11 meters. raise yagi, check SWR 2. 1 • F/B ratio (dB): 31 Mar 28, 2025 · HF Wire Yagi antenna with notes and eznec file on original article of a Portable 3-Band Yagi antenna for 10-15-20 meter band made with wire elements. boom, in an antenna that can handle full power and deliver true performance over the long term. 48 sq. The length of a reflector for a two-element Yagi with 0. ) Boom Length, 2. The 2 Element Yagi has the highest value-to-performance of any of our antennas and is the antenna of choice for DX-peditions. raise yagi, check SWR etc, etc, etc Eventually I arrived at a point where the SWR was great for all of the phone portion. 80 sq. Jul 12, 2017 · Had a little time to do some research on shortened 40m yagis. The antenna is an ARRL Handbook design. Feb 4, 2015 · Was wondering if anyone has dimensions for a 2 element yagi on 11 meters. Copy rights, original project and pictures by Gerry King VE3GK. Specifications • Forward gain in free space (dBi): 6. Their 3-element model is the low-priced quality leader for packet, FM, or even portable use. This decreases the gain slightly, but improves the front-to-back ratio. Is this the best Horizontal/vertical 2m Yagi antenna for the money? Lets take a look at the construction and how it is to build. The design is by AB4GX, the original article is listed below ( PDF ). 0 • F/B I did a recent stint as a W1AW/2 centennial RTTY station and my non-scientific opinion is that the performance on 17 through 10 meters is slightly better than the hex beam. The 6BA-JK is a Six band / Multiband Yagi that interlaces 10, 12, 15, 17, 20 & 40 meters on a single boom. Whether you’re operating on 2 meters or you work in the 1. A dipole driven element will be "resonant" when its electrical length is 1/2 of the wavelength of the frequency applied to its feed point. 4. They are only 17. Find the band coverage and performance antenna of your dreams right here. 3 feet. 2-meters is filled with Yagis and variants that provide mediocre gain and operating bandwidth on longer than necessary booms. The 2 element QUAD for 80 meters with 40-ft front to back spacing and the top of the diamond at 117-ft. The 2M7's are computer optimized Yagis that will outperform longer old design This yagi antenna is particularly suitable for those with small plots ( myself included ) who wish to use a 2 element 20m yagi. The vertical pipe is welded to the boom at the center. Element spacing is critical for optimum F/B ratio and forward gain. Thanks The XR5-JK is a five band / Multiband Yagi that interlaces 10, 12, 15, 17 & 20 meters on a single boom. aluminum rod mounted through the boom. The options may be chosen on the product page 40/30 Dipole Retrofit Kit for 2/3 Element 20-6m Yagi $ 1,320. It's actually close -- very close -- in performance to a 3-element trapped yagi, and only about 25% less powerful than a full-sized 3-element. Boom made from 55 and 50mm tube. Get a strong, clear signal with less noise from 2 meters through 40 meters with your choice of single- and multi-band Yagi antennas with up to 16 elements. Let's redesign the antenna by making one simple change: increase the wire size to 2" in diameter. In typical Zack Lau, W1VT fashion, the element and mounting clamps are machined, but good ol’ hose clamps and hardware store mast mountings will work on this 4-element antenna. Dec 9, 2013 · Notice that the element lengths are shorter than in a dipole (or inverted vee). A 2 Element Direct Feed Yagi by WB2VUO, Keith . MFJ 2-Meter wide-band YagiCovers the entire 2-Meter Band from 144-148 MHzOur versatile new six-element MFJ-1852 2-Meter Band Spanner Yagi delivers 10-dBi gain, 20-dB front-to-back ratio, and covers 144 to 148 MHz plus WEFAX and MARS with rock bottom SWR. 13-meter (7-foot) long, 2×2-inch wood spreaders, each just long The JK402 is a short boom 2 element 40m Yagi that has excellent gain and F/R. So a dipole resonant on 20 meters, or 14 MHz, is also resonant on 14×3 = 42 MHz, 14×5 = 70 MHz, and so on. There are basically three ways to shorten the elements: High-Q coils mid element M2 Antennas 2M9X 2 Meter Yagi Antennas. They have been designed and crafted for the DX hunters. 0,5m: 1,00m: 1,00m: 1,00m. VE3GK antennas…. 67-69 A two element 10-Meter beam designed for portable or permanent 1. Click on the "show more' box below for full details. Shortened element with high-Q loading coils. 4-element yagis 2 element parasitic yagis for the shortwave bands 10 12 15 17 20 30m the antennas are feeded with the dk7zb match a quarter wave choke of coax is grounded at the socket . Author: Michael Sanchez, N2UJNSummary: A simulation comparison of a full size 20m dipole in inverted V format is developed relative to a shortened, 2 element Yagi with dimensions similar to the Mosley Mini-32-A (10-15-20m) tribander. The result of modeling and testing these ideas was a 2-element 10-meter Yagi with 12' elements, which is a 25% savings in size, turning radius, and weight. The Building-Supply Yagi QST March 1991, pp. A half wavelength dipole and a parasitic element spaced 0. With full sized elements, the tip to tip length would be about 70’ – probably too much antenna to manage with our towers. If you can build a dipole, and know how to cut and glue some PVC, you can build your own 2-Element yagi. One Jan 13, 2020 · I installed an InnoVAntenna, Mox-14, 2-element, 20-meter monoband Moxon Yagi in October of 2019 and have it mounted on a Penninger Tipper mast at 35 feet (11 meters). This antenna is made for the DX'er thatís looking for an antenna to work across the globe. Aug 2, 2017 · That's the 2-element yagi. Each 2 Meter FM Yagi driven element is fed with an efficient "Hairpin" beta match. 2x3=6 (84,913 bytes, PDF file) QST February 2000, pp. Mar 7, 2025 · 2-Element parasitic Yagis for the Shortwave-Bands 10-12-15-17-20-30m. Space limits a 3 element or higher. Specifications • Forward gain in free space (dBi): 5. The basic concept comprises three in-dividual dipole driven elements, one each for 10, 15 and for 20 meters tied to a com-mon feed point, plus three separate re-flector elements. 75 inches (233. On those bands the traps behaves as an inductor, and all of the above discussion applies. The gain for the yagi would be more as spacing of the elements helps with the gain of the yagi. Choose from 3, 5, or 8-element versions. The feed point in the picture above is on the center of the driven element. Finally, I made arrangements with Fred, AB1OC to do some testing later that afternoon. For 20-meter competitions and DX-ing. On 15 and 20 meters using a reflector/driver configuration with full size components whose performance is much higher than those of the older generation antennas. 90 m (39. A Five-Element, 2-Meter Yagi for $20 (457,324 bytes, PDF file) Hy-Gain Discoverer 7-2 40 Meter Yagi Antennas. and the whole mast with antenna is raised and lowered using a brake winch on top of a 6"x6" pressure treated post. Searching for a half-size half-size 2-element Yagi, I found the design by Gary Hanson (KJ5VW), ref. lower yagi, shorten/lengthen driven element whips 5. 75' at 12 meters (with elements between 18 and 20'). 02: 2 Element Yagi 20-6m velop a triband 2-element portable Yagi using wire elements. The elements can be angled towards each other to tie them off with a single rope, as was done with the 2-element designs. Longest Element: 27. A General Coverage frequency (14. Their boom clamp accepts up to a 2 in. The diagram below contains all the information you would need to build a 2-Element 20 Meter antenna. Overall recommended ele-ment lengths and spacing are shown in Figure 5. 5 20 dirsp -drvl 0 dirsp drvl 0 . 35 MHz Full Size Heavy Duty Ham Radio Yagi antenna. Editor's note: Many years ago, the 10 meter version of this 2 element Yagi was built by myself using much the same construction techniques as mentioned in the article using small aluminum tubing. Now the 2:1 SWR bandwidth of the beam exceeds the limits of 40 meters, as the following table demonstrates: Oct 9, 2022 · I have an unused attic crawlspace in which I can potentially install a 2-element 20 meter yagi. Or operate on multi-bands with compact rotatable dipole antennas or cutting-edge DX Engineering hexagonal antennas. The actual measurements from tip of whip of each half element to boom. 34-36 Two three-element 6-meter Yagi designs. 2 meters of the reference dipole made from the same wire (see above). One of the chief attractions of the D/DE design is the short boom length required for the antenna. 2 GHz band, DX Engineering has a VHF/UHF beam antenna that can deliver the clean, clear signal you demand. Mar 3, 2019 · If you're after the most dB gain for the least metal, the two element yagi cannot be beaten. Oct 15, 2020 · TRI7 10/15/20 is a compact size and affordable tri-band yagi. Interaction with 20 meter yagis should be managable. They are easily rear mounted. M2 Antennas 2M7 2 Meter Yagi Antennas are top quality, capable beams for the operator who wants the convenience of a short, 9 ft. Feeding the yagi through an 80 foot length of RG213 good quality cable showed the following results after the element length adjustments. D. (9. Not SWR but resonance X close to 0. 5m) Boom, Stainless Steel Hardware, Each. 00 – $ 4,864. Antenna, LFA-WOS, 50 MHz 7 Element Monoband Loop Fed Array, Low-Noise Yagi, 31. 8' at 17 meters (with elements between 26 and 28') and 2. Construction details for the driven element are simi-lar to those for the 2-meter version, except the diam-eter of the insulating rod should be half an inch. It works great and is very easy to build from coax and PVC pipe and a few plastic wire ties. Find HF Yagi, HEXX Beam and Rotatable Antennas 20 meters HF Beam Antenna Bands and get Free Shipping on Most Orders Over $99 at DX Engineering! The KJ5VW 20 Meter Mini Yagi Stage 3 Attach the beam elements to a base plate 1. The CobbWeb Antenna; J-vertical Antenna for 10 2-Element 6 meter Yagi Free Space Symmetric 50. This antenna functions in a manner that would normally be consistent with a three element Yagi, due to its unique 61. Consider a 2 Element Yagi this Antenna season. Each parasitic element is solid 3/16 in. 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. Insulating Guying provided for boom and elements (longevity more than 25 years): see pictures. The stacking distance is exactly 1,30 m for a good matching with the given dimensions. Wire homebrew Yagis can perform with the better commercial aluminum Yagis. The initial design was based on a 4 element Yagi for 24Mhz (12 Meter Ham Band) from the 19th edition of the ARRL Antenna Book (which also contains great detail on the physical construction of Yagi antennas). They are listed in the input areas. 7 meters long rather than the 20. 2. Over the years, there has been some big, long boom yagis up. 8 and 21. Feedpoint threaded studs accept the optional APT-2 Pig Tail Cable with SO-239. DXM20-2mx) Price € 20 meter 4 element beam Yagi (14 MHz) DXBeam - short boom (Ref. Insulated resin-type clamps similar to those used on the 2-meter Yagi’s driven 14 MHz 3 Element Yagi Antenna PA14-3-6HD 14 MHz – 14. F/B Ratio: 15-20 dB (avg). Feb 15, 2023 · Dimensions for 3-element wire yagis. And here's the kicker: even the novice antenna builder can make one. 4 dBd (avg). Cushcraft 2M Wideband Yagi Beam Antennas were designed using the newest computer-optimized methods for improved pattern, gain and enhanced FM coverage. 950MHz for military operations. The XR5-JK is a direct 50-ohm . I needed 35 feet of tubing (plus some to fit inside each telescoping joint for support). Covers 10, 15, and 20 Meters. One of the 20 mtr antennas that I built is a half-size 2-element "yagi" beam antenna, based on a design by Gary Hanson (KJ5VW), ref. 1. M2 Antennas 2M7 2 Meter Yagi Antennas. It has excellent gain and front-to-back ratio. M2 Antennas 2M9X 2 Meter Yagi Antennas provide two sets of elements to build either a horizontally polarized SSB-CW-Digital beam or a vertically polarized FM beam, replacing the separate 2M9SSB and 2M9FM. The stacked array 2 over 2 has a gain of 7,8 dBd including the stacking losses. Jan 30, 2016 · In the week when we celebrates Hidetsugu Yagi’s 130th Birthday we selected 5 homemade Yagi-Uda Antenna Project for the 7 MHz. Both are made of GI pipes. 20 meter 2 element beam Moxon (14 MHz) DXBeam (Ref. In this video I show you a lightweight two element mono band beam for use on the 20 metre band. Driven 1/2 element = 86. Part Number: IVA-18485-0053 Not Yet Reviewed Antenna, Yagi, Skyhawk, Tri-Band 20, 15, 10 meters, 20m, 15m, 10m, 10 Elements, 2. 18 hours ago · We offer a huge selection of Yagi antennas, including cross-polarized and circularly polarized, from top brands like M2 Antennas, Cushcraft, MFJ, and Diamond Antenna. Other restrictions exist that are frequency dependent. At 20 foot height my antenna tunes on CW portion of 15 meters but it is well in phone portion of 10 meters * I tuned antenna to resonance using antenna analyzer. Because the tubing comes in 8-foot lengths, this worked out to five lengths of assorted sizes. 2,3m This Yagi should be used with a 1:1 balun for best performance and to help eliminate TVI. Antenna, Yagi, 40/20/15/10 meters, 17 Elements, 11. An adaptation of the OWA for 2 meters can provide 10 dBi free space gain on a 4. The possibilities are limitless. A tutorial on the Yagi antenna with construction of a two element beam for 10-, 15-, or 20-meters. The elements are strung between two 2. 07 wl is only 3. The link to this resource has been on our site since Friday Aug 25 2006, and it has been followed 27724 times. 2 and 39 Wavelengths. The new A144S10 10 element 2 meter Yagi is around 28 feet and the Diamond X200A is around 20 feet high at the feed point. The end elements at each end will be pulled up with the antenna wire when it reaches full height. 150 MHz 2 aluminum wires, inches refl = 61 drvl = 54 dirsp = 35 20 0 -refl 0 0 refl 0 . Shop now. lower yagi, shorten/lengthen driven element whips 3. 0 Cm) This is using the regular Lakeview Hamsticks. The 2-element Yagi has slightly less iFi 2 Assemble the two cast aluminum brackets (Item No. raise yagi, check SWR again 4. O. All you need is two rabbit ear antennas from Radio Shack, two CATV baluns, four feet of 3/4" CPVC pipe with one tee, and a bit of time. Order yours from DX Engineering today. 2 MHz) is selected as this provides the best coverage of the 20 Meter band. You may wish to drill a hole through your mast so that the remaining 5/16"18 x 31/2" bolt may be inserted through the cast brackets and A portable 2-element VHF yagi May, 1997 Here's a simple Saturday project: build a portable VHF yagi antenna for 2 meters. Secure the two brackets together using the two (2) 5/16"-18 x 31/2" bolts, nuts and lockwashers. When it comes to matching the feed Cushcraft A144-11 Yagi Antenna. Linear loading reduces overall element length similar to loading coils but in a different manner. For stacking the Yagis must have other lengths for the elements! The impedance is influenced by the stacking, therefore new lengths are to be calculated. Listed under the Antennas/20M/20 meter Yagi antennas category that is about 20 Meter Yagi Antenna Plans. 66 Add to cart; 2 element to a 3 element Yagi – Conversion Kit $ 1,373. 0 are the highest gain antennas amongst all non-stacked antennas. While the gain won't be "up there" with the big tri-banders & the like, a useful amount of gain can be realized without breaking the bank. Warranty Find EAntenna HF Rotatable Antennas 20 meters HF Beam Antenna Bands and get Free Shipping on Most Orders Over $99 at DX Engineering! EAntenna HF Rotatable Antennas include a comprehensive range of mono-band and multi-band Yagi beams and rotatable Delta Loops and Dipoles. Cushcraft XM240 Monoband 40 Meter beams are field-proven for reliability and performance. I know that adding the reflector will drop the feedpoint impedance of the driven element below 50 to 70 ohms, requiring some sort of matching scheme to reduce the SWR on the (unbalanced) 50 ohm RG-8U feedline. 8 dBd of Gain on 6 and 10 Meters and 5. Boom made from 50mm tube. This beam antenna is a coax-feeded version of the ZL-Special construction by DK7ZB for 2m, 6m and 10m Antennas/20M/20 meter Yagi antennas The title of the main category is 20 meter Yagi antennas and it deals mainly with Plans for a 20 Meter Yagi Antenna . 1 dBi gain covering 144-148 MHz. Cushcraft 2M Hi-Lo Cross Yagi Beam Antennas. The photo to the right shows W4GNR sitting at the top of his 140 ft high tower on the 120 ft long boom 20 meter yagi up at 140 ft. For example, the exciting EAntenna 59+ provides 2-inch-dia-meter aluminum tubing. 6 dBd, and the Boom Length between 2. hivia upm nlirjj xkfzy fxtst dxrl tryaok shvj xtthfl kziq urwj jqewwrb rvvfo vrfa fqiwmn