4 Element Yagi 10m



Specifications • Forward gain in free space 17/15m (dBi): 6. If we check the 10 meter performance of these antennas, we have a basis for com-parison. A Contester's View. Find many great new & used options and get the best deals for CB Radio Antenna Base Sirio 4 Element Beam 10m Yagi 27mhz 28mhz at the best online prices at eBay! Free delivery for many products!. This antenna has great front-to-back ratio and is optimized for wide range of frequency, a bargain for its compact design (about 76 centimeter long). While I was longhauling, I bought an Icom IC-R70 and separated the twin CB whips on the truck so I could hold. Choose Cushcraft TEN3 10M Monoband Yagi Antennas. This calculator is designed to give the critical information of a particular beam antenna, in this case a three element Yagi, for the frequency chosen. WSPR using a Yaesu FT817ND & a small magnetic loop - YouTube. 3dBd) ( see 4Nec2 sim 141 - 149Mhz). A Yagi is a Directional antenna made of up elements. This tower carries a stack of six 4-element 15M Yagis, fixed towards Europe, and a stack of eight 4-element 10M Yagis, also fixed towards Europe. Give your signal extra punch on amateur radio's "magic band" with this compact three-element beam for 6 meters. Go back What are the differences? 4 Element yagi has less gain (~8 dBi) but a wider beamwidth for a wider pattern 6 Element yagi has more gain (~11 dBi) but is. The closest I could find is a 3 element for 10m (built with 1. Installing the 10m Yagi on top of the tower. We are assuming we can accomplish this by using different gauge wires, a home thermomete. This design is a valuable alternative for a 4 element monoband yagi, taking into account. Tube, Length is 115 inches (2 piece) In Line (Direct Feed) Gamma Match with SO239 Connector. The DL6WU yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. 10 under Wine, to produce dimensions for a DL6WU style long Yagi antenna. 20 Ct Solitaire Princess Cut Pink Sapphire Engagement Ring,D'Orlan Gold Plated Bracelet with Swarovski Crystals - 7 3/4. Boom is 1" sq. Took me a long time to get this far. About 29% of these are tv antenna, 9% are repeater. The antenna is a work of art,and is THE highest quality of any antenna I have ever owned. Precisely tuned high-power traps, carefully selected element lengths, and proper spacing combine to make the A-4S Tri-Band Beams the preferred antennas. The 3 Major parts which make a yagi are the driven element, reflector and director. A too narrow beamwidth is thus not necessary to work DX stations. This antenna did work, although it got some problems. All information, images, and documents on this website are the sole property of Hygain Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from Hygain. Go to the remaining wire on the 58-inch element; its opposite end at-. The 10m trap allows the element to operate on 15M as if the 10m trap was not there. What are the reasons for stacking anyway? 2. This is a high-gain, wideband LFA (Loop Fed Array) Yagi which covers 28 - 28. Directional antenna - Wikipedia A high-gain antenna (HGA) is a directional antenna with a focused, narrow radiowave beam width. 2 X 13 Element 2M Yagi Antenna(144-148MHZ) WITH Stacking Frame And Harness Learn More. Make up insulators to hold the 2" and 4" separation distances constant. 5-Inch-Diameter Elements Driver Length 314. The write-ups on eHam looked good so I started accumulating used aluminium tubing for the project. 79 4el 10m on 4. 2 X 13 Element 2M Yagi Antenna(144-148MHZ) WITH Stacking Frame And Harness Learn More. The Yagi is optimized for the CW/SSB-parts of the bands, but usuable for the full bands. It is a DK7ZB 28Ω feed-point 4 element Yagi, with a forward gain of ~6. The antenna is a work of art,and is THE highest quality of any antenna I have ever owned. However, it is possible to combine several 2-element Yagis on the same boom, e. This is a high-gain, wideband LFA (Loop Fed Array) Yagi which covers 28 - 28. This sketch shows a semi-exploded view of the antenna. Portable UHF 4 elements Yagi Antenna by YO4HHP Although I’m not a big fan of V/UHF, going over DK7ZB’s website I was impressed by his numerous Yagi antenna design and their good efficiency, and also, myself, eager to do some mechanical construction, I decided to try building this four elements Yagi for 430-440Mhz, to use it this summer in. The total length would be 76cm, and the widest element was 1030mm, which was roughly in the ball park of what I wanted (longest dimension 1m). Instructions show how to adjust for a center frequency from 50 MHz. 2 el Yagi at 70 ft, S. Lots of abuse on that radio to get this far. 6m - M2 6M7 @ 77′ 10m - 4 Full Size Elements GXP Yagi @ 73′ 12m - 4 Full Size Elements GXP Yagi @ 73′. That's the 2-element yagi. , for the 20-17-15-12-10 meter band (ref. NEW COMPACT 6-40 METERS YAGI Today UltraBeam presents its latest UB -50. It is a fullsize 3-band yagi, consisting of 3 interlaced monobanders, in a lightweight and durable construction made of fiberglass and wire. conventional Yagi but you get the same gain and caracteristics. HF Electronics bvba is specialist in de verkoop en verhuur van radio apparatuur voor professioneel en amateur gebruik. 75” long, 15m DE, 271. 3m long: when tied to the backpack, it kept on tangling to the lower branches. 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. The Sirio SY 27-4 is a very strong but lightweight, high gain quality, Yagi antenna that won't break the bank. RM Italy KL 7505V 10 meter Linear Amplifier With Fans. For the complete 2m-data see the 5-Element-ultralight-Yagi. i have a 4 ele yagi made by sirio designed for 27mhz, however i want it for 10m and need abit of help with the dimensions. Attach feedline to driven element 7. All are designed with one goal in the mind, to maintain a solid gain and F/B and SWR ratio over the band. Our new property has a smaller footprint which limited the size of the antennas. ( HF 4-Elements 20m Yagi Antenna ) FEATURES The 20M4DX is the first in a NEW SERIES of mid-sized, UPS shippable HF antennas for all bands from 20 meters to 10 meters. Yagi antenna theory - the basics. A computer optimized UHF 70 cm Yagi antenna for radioamateurs, transmitting and receiving on 420 Mc - 430 Mc - 440 Mhz to 450 Mc with this beam in high gain Db's! ON6MU: UHF 4/6/10 Element Yagi Antenna for 70-cm. 6m – M2 6M7 @ 77′ 10m – 4 Full Size Elements GXP Yagi @ 73′ 12m – 4 Full Size Elements GXP Yagi @ 73′. 8 GHz WLAN WiFi Antenna FM - TV Antenna Amplifiers Diplexers Ham Radio. This design is a trade off between reasonable Gain and F. SWR high more than 2. Printing time for this project is quite extensive but you will not regret either the filament used or the time spent printing for one moment. Looking for 10 element yagi. 1 DBD GAIN, YAGI, UHF, communication antenna. 5 to 30 MHz. 6mm sections and the screws tightened against the 12mm tube. A 4 element 70MHz High Gain Yagi – The unique LFA-R from InnovAntennas! The LFA-R from InnovAntennas does away with the traditional reflector element for more gain per metre of boom! See a review of this antenna HERE! If it is GAIN you want from a small boom, this is the antenna for you! Wow, Super compact boom!!. ( HF 4-Elements 20m Yagi Antenna ) FEATURES The 20M4DX is the first in a NEW SERIES of mid-sized, UPS shippable HF antennas for all bands from 20 meters to 10 meters. 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. Make up insulators to hold the 2" and 4" separation distances constant. Btw,I tuned it using my MFJ analyzer while the beam. 00: A27010S - 5 element 2m yagi and 5 element 70cm dual-band yagi. We have begun the assembly of the first of our two SteppIR DB36 Yagis. The formula and basics of Yagi Antenna Calculator are also explained with example. 5 to 30 MHz CB/10M Yagi Beam Antenna w/ 100Ft Coax. Yagi antenna theory - the basics. NL 4-Element Yagi for 10m, 15m and 20m. It is a DK7ZB 28Ω feed-point 4 element Yagi, with a forward gain of ~6. The Beam is a coax-fed version of the ZL-Special. I can do little better than recommend the designs by Dean Straw, N6BV, that appear in the K6STI, Brian Beezley, program, YA, which has been distributed with The ARRL Antenna Book. 4 element yagi design for 10 meters. Construction Refer to Figs 2-4. Compared to the Yagi, the quad has the same gain, less average F/B, and a narrower bandwidth. • 868MHz GSM yagi antenna • U bolt fixing • 10m RG58 cable to SMA male connector on one end and FME female connector on other end. 4 element yagi for 10 meters. Model # Frequency 4. 3 Element - 11m Yagi. The ease of obtaining parts has made this a popular choice for thousands of hams. It is well constructed and gives great performance on 26. 1 is a four elements Long Yagi, installed since last year at 12 meters above the ground. A Short Boom, Wideband 3 Element Yagi for 6 Meters L. Peridot Flower Earrings in Sterling Silver 663481058009,14K White Gold Over 1. 5 oiqwas3737-fast shipping to you - www. Excellent mechanical properties. In this case, the Customer Care team will remove your account from auto-renewal to ensure you are not charged for an additional year and you can continue to use the subscription until the end of your subscription term. You are purchasing (1) New Cushcraft A-4S Four Element HF Yagi Antenna - 10/15/20 Meters Cushcraft A-4S Tri-Band Beam Antennas are true high performance beams for 20, 15 and 10 meter operations. 5 to 30 MHz CB/10M Yagi Beam Antenna This is the lightest 4 element beam, One of the best quality you can find! The Sirio SY 27-4 is a very good light weight, high gain quality, Yagi antenna that won't break the bank. Sirio SY27-4 4 Element Beam Is simple to put together with only the gamma bar to measure. This 4 element 20m Yagi on a 22ft boom gives you tremendous performance with very high gain and F/R, all while maintaining a flat SWR across the band. Based on the very popular 3 element, this enhanced 4 element version is also manufactured from lightweight but extremely strong construction grade 6082-T6 Aluminium stock. 2m/70cm 4+5 El. 144 MHz Driven Element: All versions Ref 3 Element Length 41. 15 Element Yagi TV Aerial. 8 ohms ---> This means a gamma match can be used to tune the antenna. 0" and H = 1/2" Elements are 1/8" diameter. The LFA Yagi is a major step forward in the development of the Yagi Antenna, it provides a low-noise front-end for your radio so you hear more weak signals. If we were working with a 40 meter Yagi, the third ele-ment would add a considerable load on the mast and rotator. A few of us decided to have a go in the RSGB 21/28MHz contest on Sunday. Yagi 4el 10m O vorba de-a radioamatorilor spune ca antenele bune se construiesc si instaleaza iarna, asa ca m-am conformat si la iesirea din iarna, profitand de temperaturii de cateva grade cu plus, m-am apucat de construit un yagi cu 4 elemete pentru banda de 28Mhz. Wideband VHF 4 element Yagi for the frequency range 155-175 MHz precision workmanship and high quality Made in Europe. 2 ele 40m yagi, 6 ele 20m yagi, 4 ele 20m yagi fixed on South america. All parts, which are not made of aluminum were manufactured from stainless steel, such as the mast clamp. Attach the base plate to the boom 5. This link is listed in our web site directory since Friday Mar 9 2018, and till today "DIY 4 Element Yagi" has been followed for a. The driven elements use # 8 wires to improve BW and keep losses down. 14 June 2013. TEN-3 10 Meter Yagi Looking for a lightweight, economical alternative to the 10 meter big boys? Choose the TEN-3. Spacing and Element order for 6 element 10 meter yagi. WC7I provides a calculator for a 3 element yagi design. I brought my 3 element 28MHz Yagi, Dave M0TAZ brought the two masts and his 21MHz 4 element Yagi, while George and his dad brought the Icom IC-7700 and generator. The Sirio SY 27-4 is a very strong but lightweight, high gain quality, Yagi antenna that won't break the bank. 0 are the highest gain antennas amongst all non-stacked antennas. The ease of obtaining parts has made this a popular choice for thousands of hams. If we check the 10 meter performance of these antennas, we have a basis for com-parison. 10 m 2 element horizontal beam adding an additional element to the basic 10 m 2 element horizontal beam buddipole half wave dipole provides this high gain 2 element yagi. 3 Element 2 Meter Yagi; 4 Element 2 Meter Yagi Antenna; 4 Element 70cm Yagi; How To Protect The Ends Of A Tape Measure Antenna; How To Make A Dipole Antenna; Full Wave Antenna; J-Pole SWR Cap; Everything Baofeng. 2 X 13 Element 2M Yagi Antenna(144-148MHZ) WITH Stacking Frame And Harness Learn More. 4 element yagi antenna design for 10 meters. 00: A27010S - 5 element 2m yagi and 5 element 70cm dual-band yagi. 10dBi – 6 Element OWA Yagi Antenna for 2 Meter band plan Here is a 6 element yagi my friend and I have built for experimenting with directional antenna. They are set up with the parasitic element as a reflector. Each further element will give much more mechanical problems and the increase in gain is only 1-2dB for the same bandwidth. Built boom, element and coil. Never give up. Price tag : only 34,50 EURO's, a real bargain ! The antenna kit arrived within 3 days after making the payment. Check out my Gamma Match page on how to build one. 5 cm shorter than a. This page covers 3 element Yagi Antenna calculator. Innovantennas LFA2 3 element yagi for 10m During the christmas break I ordered the above antenna. 3 Element 2 Meter Yagi; 4 Element 2 Meter Yagi Antenna; 4 Element 70cm Yagi; How To Protect The Ends Of A Tape Measure Antenna; How To Make A Dipole Antenna; Full Wave Antenna; J-Pole SWR Cap; Everything Baofeng. 2 X 13 Element 2M Yagi Antenna(144-148MHZ) WITH Stacking Frame And Harness Learn More. setelah cemerlang dengan projek 2 element untuk 10 meter band dan 20 meter band baru2 ini. Version 2: With 8- and 10-mm-Elements (see down), built by SQ9VPA. HB9CV - 2 Element Yagi for the 11 meter band. : SY 27-4: 5725 mm. JavaScript seems to be disabled in your browser. This is about 2 wavelengths above ground, and also the approximate middle point for the eventual stack of 4 Yagi's. point impedance drops to 50 at 28. PAT The antenna shown in Fig. 5Mhz, as well as being. 2: Optimisation of six element Yagi-Uda array (perturbation of ele-ment lengths) Gain h 1/λ h 2/λ h 3/λ h 4/λ h 5/λ h 6/λ (dBd). Changed Antenna temperature tool nomenclature to be as per Rainer Bertelsmeier's Effective Noise Temperatures of 4-Yagi-Arrays for 432 MHz EME in DUBUS 4/87. All are designed with one goal in the mind, to maintain a solid gain and F/B and SWR ratio over the band. Go back What are the differences? 4 Element yagi has less gain (~8 dBi) but a wider beamwidth for a wider pattern 6 Element yagi has more gain (~11 dBi) but is. This 4 element 20m Yagi on a 22ft boom gives you tremendous performance with very high gain and F/R, all while maintaining a flat SWR across the band. The elements are tapered with 3 different sizes of tubing and the boom is 40mm square and 5m long. 0 dBi free-space gain across the band with only 10 to 12 dB front-to-back ratio (F/B). Typically a reflector is the first element added in any Yagi design as this gives the most additional gain, often around 4 to 5 dB. 15 dB isotropic + about 5 dB ground reflection). Like a Yagi–Uda antenna ("Yagi"), a quad consists of a driven element and one or more parasitic elements; however in a quad, each of these elements is a loop antenna, which may be square, round, or some other shape. 4 Element Yagi debut at Hamvention 2003 – we used a scissor-lift for our tower!. With a 32 foot boom and weighing in at reasonable 99 lb, this antenna is ideal for DXers that want to maximize performance on 20m-6m and still have a dipole on 40 and 30 meters. Split dipole feed with an 8 turn choke balun. 5, I don't know whats wrong, something wrong with boom, element or coil. I brought my 3 element 28MHz Yagi, Dave M0TAZ brought the two masts and his 21MHz 4 element Yagi, while George and his dad brought the Icom IC-7700 and generator. The H W-40 Micro Beam A Helically Wound Two-Element 40-Meter Yagi BY ROBERT WIFBY AND DOUG DE WICER tion of the two traveling waves which are directed oppositely. Click Votes Antenna 10 mt * 4 elements Yagi 10 meter band, 9W2DAL: 2-Element parasitic Yagis 10m-30m, DK7ZB. Sirio Antenna : - CB & 10M VHF (30-300mhz) UHF (0. I decided to build a copy of a very successful commercial antenna which utilized 2 elements each on the 10M, 15M and 20M bands. The HB9CV antenna is smaler than a 3el. Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from MFJ Enterprises, Inc. Re: 2 element 10m yagi, which should be the parasitic elemen Post by VK3AIF » Mon Apr 28, 2014 10:02 am A hb9cv or a zl special will not give you as deep a null as what I proposed but it is on the right track. The lowest S meter reading with W3TO's four-element Yagi being rotated and the delta was S3. I used galvanised, probably should use stainless though. I decided on a 3 element YAGI built for GMRS that is directly fed with 50ohm coax. 32 m) boom gives you excellent performance with very high gain and F/R, all while maintaining an almost flat and low SWR across the band. SWR high more than 2. 00 shipping. This shows that the delta has an S7 gain and an S3 gain over the Yagi for DX purposes on fadeout conditions, that is caused by polarity change. It is well constructed and gives great performance on 26. Zipped file with all figures and photos. Total build time less than 4 hours. 45 MHz Dave Jordan, K1NQ, 4/2004 Rev1 Description: This is an interlaced 10 and 15m mono-band yagi on a 26 foot 2” boom with separate feeds for both bands. 5 ] Easy wire antenna for 40-20-10 meters - PE3HMP project of a triband wire antenna for 40 20 10 meters band, made using home made coils. NL 4-Element Yagi for 10m, 15m and 20m. Spacing and Element order for 6 element 10 meter yagi. The Spiderbeam is a FULL SIZE lightweight multi-band Yagi. However, it is possible to combine several 2-element Yagis on the same boom, e. 1 is a four elements Long Yagi, installed since last year at 12 meters above the ground. Physically, a quad beam--when compared to a Yagi--trades volume for horizontal area. 10 Meter Antennas T wo element 10-Meter beam-- From The ARRL 10M Yagis a Bunch-- From The Antenna Elmer 10M Yagi Optimized Wideband Antenna Verticals HF TRI-BANDERS & MULTIBANDERS No-Tuner, All-HF-Band, Horizontal, Center-Fed Antenna -- From W5DXP 5 Band Log Periodic Dipole Array -- From VE7CA. By Dan Levin, K6IF and Marty Levin, W6BDN – April 12, 2004. A 4 element 28. I've been using it for five years at field day and it's hotter than a fire cracker. 6m Antennas 4m 6m Dual Band Antennas 4m Antennas 2m Antennas Dual Band Antennas 2m 70cm 70cm Antennas 23cm Antennas 13cm Antennas Commercial Antennas Band Pass Filters EME2 - EME3 BPF LNA T/R Relay Low Noise Amplifiers Power Splitter Divider Combiner HF Antennas 2. At the back of the antenna ,is a length of PVC pipe placed there to keep the antenna from spinning. 4 element yagi design for 10 meters. That is quite easy to realize. Without having a junk box of aluminum tubing it can be built for about $60. A Yagi is a Directional antenna made of up elements. 4 element yagi antenna design for 10 meters. HF Yagi, HEXX Beam and Rotatable Antennas Choose from top-brand HF Yagi, HEXX beam, and other rotatable antennas to meet your high-frequency needs. sorting out the wrinkles in a spotting programme. Average height at 70' per element - a good 1/2 wavelength above ground for best sweet spot pattern and best high angle suppression. local communication is not a concern, i have a. The comparison array is the 2x2 vertical array. SteppIR manufactures freely tuneable multiband beams with 2, 3 or 4 elements for 40 to 6m or 20 to 6m. This Duoband-Yagi has a boom of 3,60 m and 3 elements for 10 m, 4 elements for 6 m and one feedpoint with 50 Ω. 6MHz LFA Yagi The G0KSC LFA Yagi represents a major step forward in the development of the Yagi Antenna, it provides a low-noise front-end for your radio so you hear more weak signals while at the same time maximising all round performance. 00 In stock! Confirmed price. K8AZ 2013 10m Yagi's Update 1 7 August 8, 2013 10M4DX View 4L Optimized View Since we have hit 16 dBi of gain with 4 elements and a 25. The Antenna. MPV5 (Modified PV) Yagi antenna is based on original PV4, W2PV 4 element Yagi antenna design as described in 15th editionof ARRL antenna handbook and in October 1986 QST by Bill Myers, K1GQ. Open sleeve insulators. Do not use any frequency above 440 MHz as it will bork the calculations. The idea is to get an small antenna, this is a great solution. [Towertalk] 40M 4 Sq vs. The Sirio SY27-3 3 Element Yaga Beam CB/10M Radio Antenna is a high quality, lightweight but strong antenna, that is great value for money and comes complete with UHF female connector. 2 el Yagi at 70 ft, Guy Olinger, K2AV [Towertalk] 40M 4 Sq vs. Check out my Gamma Match page on how to build one. W2/Summit, NY – Contest QTH. The 15/10M tower is Rohn 45, 60 meters high. Typically a reflector is the first element added in any Yagi design as this gives the most additional gain, often around 4 to 5 dB. Figure 1 - Yagi Orientation and Variables The Z axis is the height above ground, which I set at 70' for single 10m Yagi modeling. This tower carries a stack of six 4-element 15M Yagis, fixed towards Europe, and a stack of eight 4-element 10M Yagis, also fixed towards Europe. 90 meters long and the feeding system is a common Gamma Match. Our results are optimised for gain, but others may be optimised for bandwidth, However, if the parasitics differ much from 0. Here we have collected some links to building instructions of 11m antennas on the WWW. The parasitic elements of the Yagi antenna operate by re-radiating their signals in a slightly different phase to that of the driven element. You can see that the 10m horizontal Yagi still does not cover the very low angles, and there is a null where there are still many signals arriving. Long yagis are commonly used from the 144MHz amateur band to the 2. LFA Yagi Antenna. HF Yagi, HEXX Beam and Rotatable Antennas. Because the OWA yagi uses a. If there can be something more, we also offer a 4-element Yagi by Cushcraft for 20,15 and 10m. If you're "Type A", you can add as many as you like to the first one later on. It was YC0LOU from Indonesia and I could only pick up parts of his call. Good stuff! Thanks! Gary, N7BRJ. The 20M driven element is fed and the 10M and 15M elements are closely sleeve coupled to the 20M element which meant that only one feedline is used. The closest I could find is a 3 element for 10m (built with 1. This antenna is advertised to have 15/22 db F/B so the results are about what you would expect. 700-740 MHz Dual Pol TV White Space Yagi Antenna, with 2 N-female jack. e Feather-\rxeigl~t is an ultra-light VHF Yagi that goes where heavier. My son is doing a science experiment on how varying temperature and diameter of wire impacts the resistance. OBLY11-4 11 Element Log Yagi 17-15-12-10m * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd. It is a commercial version of the Bird Yagi. Yagi antennas operating in the 6-20 mtr range use 60x60x3 mm booms. 4 Element Yagi debut at Hamvention 2003 - we used a scissor-lift for our tower!. A local ham, Manfred, DK9TG recently found a very attractive ad of a 3ele Yagi-Uda beam antenna originally produced for CB use. A Yagi is a Directional antenna made of up elements. Antennas are 4 element Yagi's, home made, designed by me using EZNEC modeling software. Excellent mechanical properties. Still on grounded, not yet installed : 10m band, 3 pieces antenna, 6 element fixed to JA/NA, EU/AS, AF/SA 15m band, 2 pieces antenna, 7 element and 9 element 20m band, 2 pieces antenna, 4 element and 5 element 40m band, 2 pieces antenna, 2 element and 4 element. 4 element 10 meter Yagi for 9W2ODY There is an another guy I want to thank ,and he is the new owner of the 3 elements 10m yagi ant, He is 9w2ZIN, and thanks for. Attach feedline to driven element 7. Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. com 4 elements Yagi-Uda antenna. Lots of abuse on that radio to get this far. Attach wires to the elements 6. For reference, you will also see a lighter shaded pattern of a half wavelength dipole installed at the same location. The 15 reflector is positioned ahead of the 20 meter reflector so that the 20 reflector does not interfere with the 15 reflector operation. 00: A27010S - 5 element 2m yagi and 5 element 70cm dual-band yagi. I needed 35 feet of tubing (plus some to fit inside each telescoping joint for support). A Moxon beam has a smaller footprint than some other beam designs, while providing nearly the same gain and front-to-back ratio, as a typical two-element Yagi beam. If you build this about 30 feet off the ground, according to MMANA, (depending on wire used), you should end up with a dipole with legs of around 10m long and build the smaller dipole with legs of around 9. This is thousands of dollars of the very latest antenna design software available and the results are highly accurate. 00 In stock!Shipment arrived! A627013S - 3 element 6m / 5 element 2m / 5 element 70cm tri-band yagi. Ideal for point to point, short or long link applications. (A fourth director element at the same spacing and the same length as the present director provides good 4- element Yagi performance. I decided to build a copy of a very successful commercial antenna which utilized 2 elements each on the 10M, 15M and 20M bands. Attach the boom to a support mast Stage 1 Build the driven and reflector elements 1. 0 are the highest gain antennas amongst all non-stacked antennas. A full-size ( = ½λ) dipole antenna for the 20 mtr band spans about 10 meters (33 ft). However, the 2-element quad does not have as much gain as a fully optimized long-boom 3-element Yagi. This Duoband-Yagi has a boom of 3,60 m and 3 elements for 10 m, 4 elements for 6 m and one feedpoint with 50 Ω. 90 meters long and the feeding system is a common Gamma Match. You cannot receive a refund if you have placed a ShippingPass-eligible order. Bidirectional switchable 40m wire yagi. 5 to 30 MHz CB/10M Yagi Beam Antenna - 13. All parts, which are not made of aluminum were manufactured from stainless steel, such as the mast clamp. If you decide you really need a yagi with more elements, here are the lengths of them. I can pretty much tell where the elements go based on the marks on the mast but it isn't at all obvious which elements go where. The main category is Antennas for 10 meters band that is about antenna projects for 10 meters band. The Cushcraft A-4S is a 4-Element Beam for 10m, 15m und 20m. This is a very nice 4 element Yagi that only took a little over an hour to assemble. SteppIR manufactures freely tuneable multiband beams with 2, 3 or 4 elements for 40 to 6m or 20 to 6m. Bidirectional switchable 40m wire yagi I switched on the other evening and heard a very quiet DX caller on 7. The Quagi Antenna Turns 40 Wayne N6NB invented the Quagi, an easy to build cross between a Yagi and a Quad. 5 cm shorter than a. TEN-3 10 Meter Yagi Looking for a lightweight, economical alternative to the 10 meter big boys? Choose the TEN-3. The boom is 5. A new informative website made and supported by HPSD :. A Yagi-Uda (Yagi) antenna is a directional antenna which is made up of of a dipole element with a reflector and one or more director elements. All the other elements are already pre-set, So nothing to measure there. Excellent mechanical properties. If you decide you really need a yagi with more elements, here are the lengths of them. With a 32 foot boom and weighing in at reasonable 99 lb, this antenna is ideal for DXers that want to maximize performance on 20m-6m and still have a dipole on 40 and 30 meters. JK404C - 4 element 40m Yagi. This calculator is designed to give the critical information of a particular beam antenna, in this case a three element Yagi, for the frequency chosen. 4 element yagi antenna design for 10 meters. Model # Frequency 4. ) The third design is a short boom Yagi, also by K6STI, that requires a 7. If you build this about 30 feet off the ground, according to MMANA, (depending on wire used), you should end up with a dipole with legs of around 10m long and build the smaller dipole with legs of around 9. Photos from Sept 14, 2001 One of the 6 element 44' boom 20m yagis now at 90' with a 2 ele 40 above it. Wideband VHF 4 element Yagi for the frequency range 155-175 MHz precision workmanship and high quality Made in Europe. The 7el Yagi has an input impedance of about 25-30 ohms, so will need a match of some kind. The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. 4 element yagi design for 10 meters. element to the boom and discard the ele- ment. NL 4-Element Yagi for 10m, 15m and 20m. JavaScript seems to be disabled in your browser. Tuned for 28. A few of us decided to have a go in the RSGB 21/28MHz contest on Sunday. It has excellent gain and front-to-back ratio. It is well constructed and gives great performance on 26. The K9EUV design uses a 9. As shown in Figure 1, the present antenna is designed for broadband 6 meter service using vertically. A Yagi is a Directional antenna made of up elements. Bidirectional switchable 40m wire yagi I switched on the other evening and heard a very quiet DX caller on 7. Version 2: With 8- and 10-mm-Elements (see down), built by SQ9VPA. To construct a pair of compact, band-specific 6 and 10 meter dipole antennas resembling the active element of a yagi beam antenna, constructed of durable weather worthy components. All parts are made from high quality materials resistant to weather, UV rays and corrosion. This is a direct scale of our 4 Element 2 meter Yagi. 3-3 GHz) Dual-Band Wide-Band Cellular (Mono/Multiband) DECT Wireless WLAN System WiMax System Aircraft Band (118-136mhz) Marine Band New Products News Custom Antenna Design sirio antenna, High end HF VHF UHF antenna, CB Antenna, 10 Meter Antenna, dual band antenna, wide band antenna, wireless product, cellular multiband antenna, dect system. I read much about yagi in DXZone. The Cushcraft A-4S is a 4-Element Beam for 10m, 15m und 20m. A Yagi-Uda antenna. Looking for 10 element yagi. 4 element yagi for 10 meters. The mast to boom plate is made of solid pre-drilled 6 mm inox steel. OB4030 4 Element Yagi 40/30m. The instructions are very straight forward and the elements are well machined. The DL6WU yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. The driven element is small enough to allow 0. 0 dBi free-space gain across the band with only 10 to 12 dB front-to-back ratio (F/B). A Simple Seven Element Yagi Antenna Below is a JavaScript that I wrote in order for you to quickly calculate the dimensions for a seven element Yagi-Uda Antenna. 5 to 30 MHz.