80m Yagi, Antennen är näst överst på bild. 8 MHz) 40 m (7 MHz) 20 m (14 MHz) 15 m (21 MHz) 10 m (28-29 MHz) Wire antennas Elements and fasteners Aluminum pipes Tube sets Element mounting VHF/UHF/SHF antennas 6 m (50 MHz) 2 m (144-146 MHz) Accessories Antenna rotators Antenna switches Baluns Bandpass OptiBeam antenna models amateur radio New - reflector-driven monoband Yagis with highest performance Detailed description regarding the reflector-driven monoband Yagi -> Read more First smoketest of the PST110D-PRO rotator, turning 3 element 80m yagi 360 degrees. Windload:0,9 kvm. Priset är ett ca pris och beror på dollarkursen. 4-element yagis With 4 elements it is possible to apply the OWA (Optimized Wideband Yagi) approach, with an element spaced close to the driven element to allow better adjustment of matching. 7m) Link to QRZ. This calculator provides approximate lengths and spacing for a Yagi antenna based on a given frequency and number of elements. Antenna Manufacturer of MagLoop, Dipole, Vertical, Yagi, and End-fed systems. That allows these antennas to be designed for higher gain than a 3-element yagi of similar boom length, with a low SWR across the band. Slip on the butt sections and secure each INNER side with a 1/4-20 x 3-3/4” bolt and plain nut, up from the bottom. (FAA/FCC approvals received antennas to be purchased/built in Spring 2010 will be turned with custom K0XG orbital ring rotators). No description has been added to this video. 2 × wavelength These values provide a starting point for design and construction. Dipole @55’ on HA5JI on 3. Reviews For: OptiBeam OB2-80+ (high performance 2el 80m monoband Yagi) Category: Antennas: HF: Yagi, Hex, Quad, Rotary dipole, LPDA eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. Each center insulator 2” rod has 4 bushings or coupling rings and each rod will be labeled to match two 3 " x 180”' inner element sections. Lossfree shortened elements by software designed and absolutely unique high Q coils and a likewise software designed high efficient end loading. metas OB2-80+ 2el / 80m Yagi (SSB+CW) metas Having built linear loaded 80m Yagi's since 1980, I know the concept works. . Over the years Gamma matches, Hairpin loops, Delta matches and other methods have given way to 50 ohm coaxial cable feeding the split driven element through a balun. Mar 7, 2016 · So how do we shrink the length and maintain most of the performance and efficiency? Having built linear loaded 80m Yagi’s since 1980, I know the concept works. 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. 5MHz (80m) - an 80m Yagi is a very difficult antenna to construct and keep operational - there are various commercial models available, but they are *very* expensive, generally flimsy in their mechanical construction and will over-stress all but the heaviest towers and rotators. Manufacturers of High Quality Amateur Radio / Ham Radio HF Yagi, Transmitting and Receiving Antennas. 5-element Yagi (80m) 80-meter Yagi 5-element at 165 ft (80m) The 5 element mono-band Yagi antenna series have been designed keeping in mind the requirements of an avid DXer Recall that the yagi functionality is, at present, only available for the bottom 150 kHz of 80 meters. COM Feeding a Yagi with power while obtaining a good match for the radio has always been a problem. The boom is 24m (78. Check my page on QRZ callsign PA7A for more information. Refer to the ELEMENT HARDWARE DETAIL pages. 3 ele 80M M2 yagi at 180'. The DB42 has a 80M dipole that works with the SDA100 controller for effortless tuning throughout the entire 80M band. Boom: 10,9m. The Yagi antenna is a directional antenna using parasitic director and reflector elements to amplify the radio frequency signals from the direction it is pointing. Hi there!This video shows how the elevator/lift works on my 2ELM 80M YAGI 37M antenna. Print 2 259,00 € One is carrying a 10m 7el Yagi at 35m and the other a 20m 4 el at 28m and a 15m 4 over 4 stack below. A small 12m tall tower right at the hut carries a 10m 4el and acts as director/reflector on 80m. Gain: 11,4 dBi. 6 dBi of free-space gain with the unwanted lobes suppressed by 20 dB--a reasonably clean pattern. Explore a global map of SDR receivers for diverse frequency bands and locations, connecting you to the world of radio communication. PA3DUV Rating: 2008-05-02 Big Bad Bonecrusher Time Owned: 3 to 6 months. For a while, I used a W3EDP antenna, but to be honest, results were mediocre at best, and since the tuner I used was in the shack, there was always RF in the shack. to Mar. Wire Antennas for Ham Radio I ulian Rosu YO3DAC / VA3IUL, http://www. The 8 element mono-band Yagi antenna series on HamSphere 4. Each winter season during the 7 month period from Sept. The 3 element mono-band Yagis are by far the most cost effective beam antennas with good gain and excellent radiation patterns. qsl. Below is a "sketch" of a 2 Element Yagi. Stack of 3 ele 80M yagis on 340' Pirod guyed tower. No antenna 3. The antenna is a variation of the K3LR array described in ON4UN's Low Band DX'ing book. 60 meter (58 foot) long elements. TRAPS; These coils are air spaced. Perhaps the biggest thing my station is missing is an 80m antenna. Vridradie 10,9m. To achieve this, the 160m version is deployed at 300 ft (90m) above ground, while 80m version is at 165 ft (50m) and 60/40/30m versions are deployed at 132 ft (40m) heights. Antenna Modeling Files Introduction In January, 1998, the ARRL Board of Directors changed the ARRL advertisement-acceptance policy to permit the advertising of antenna gain figures for antennas whose performance can be accurately modeled using either NEC-4 or Yagi Optimizer modeling programs. 0 are the highest gain antennas amongst all non-stacked antennas. New Home of the Force 12 Antennas. more Category: Antennas: HF: Yagi, Quad, Rotary dipole, LPDA eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. They have been designed and crafted for the DX hunters. Your cart will total 22 loyalty points that can be converted into a voucher of 22,00 €. Elements on one side of the antenna broke off during a winter-storm with huge wind speeds. 5cm. OptiBeam OB3-80SSB 80-Meter Yagi Antennas have superior electrical and mechanical design. Only one thing left to do Crash K8UR/4 style! metas OB2-80+ 2el / 80m Yagi (SSB+CW) metas WQ0P 6m reception- 5 element yagi vs 80m efhw vs vertical James the tech guy 544 subscribers Subscribe Many thanks for the info you gave on the site. I really don’t have room for a full, half-wavelength dipole, so I’m looking for options. For those who aspire to the pinnacle of performance, the DB42 provides coverage from 80m through 6m (with optional 80m dipole kit). ) DB42 MonstIR Pro Yagi Antenna The DB42 Monstir Pro is currently the largest of the Dream Beam series of Yagi antennas, with 5 elements on 20m-6m and 3 elements on 40/30. It is made with very high quality materials and the best in its class in the market in terms of mechanical construction and electrical performance. Now begin installing the 3” x 180 inner element sections. Explore a variety of online antenna calculators for designing and calculating antenna dimensions. 503 Jan 2020 de K8UR/4 (about 2 S units. OptiBeam OB2-80S Shortened 2 Element 80 Meter SSB+CW Yagi With the included OptiBeam Multi-Switch System, this antenna offers a 2:1 SWR bandwith over four separate 70 kHz preset sections of the 80/75 meter band, each selected with the control console from inside the shack. Listed under the Antennas/80M category that is about Antennas for the 80 Meters Band. VSWR 70 kHz (1,7:1). This Yagi is almost one half full size on 80m and is a great DX performer. 7402feet) long and weighs 1900lbs. Extremely efficient trapless 2el 80m Yagi on a 10 meter (33 foot) long boom with just 17. Force12 beamantennas of yagi type for 80 meter amateur band. Listed under the Antennas/Array category that is about Array Antennas Listing. 80M 7 element Yagi vs Dipole of G4AMN de K8UR/4 K8UR Channel 60 subscribers Subscribed 3 ele 80M yagi (modified M2 with W6ANR coils) at 130' on existing star Philly guyed 55G tower. The antenna is below the top antenna. The 5 element Yagi series have excellent DX capabilities (within limits of propagation) even on top bands and middle bands including 30m and 40m bands. JR4PWV Crank up tower 22mH KA-1404 (40m-10m) LFA 7ele Yagi (6m) IV (160m & 80m) WEST View from the Tower. An Optional Inductor loaded switching provides full bandwidth across the 80M band. I took down that antenna when the tree supporting it had to be cut down design plan of an array of a two element yagis for 80m and a 3 element 40m antenna sharing a single 12 meters long boom by ea5dy. The next generation in Design and manufacturing. I physically modeled the first dual driven, linear loaded 4 element Yagi at a frequency of 144 MHz. The dipole runs parallel to the boom and uses the end elements as capacity hats, creating zero interaction with the rest of the antenna. Best 73 Kelvin, G4ZTD The WA6GUZ Installation! Nice installation on a vertical by WA6GUZ! "I built the "ugly balun" for my TWIN LEAD, 80m MARCONI ( by William Orr ) Balun and antenna operating excellent !" VK4JAO- Arno N5DRG Greeting Fellow Hams, Last Updated: Monday, 09 February 2026 21:41 Aluminum towers HF Antennas Multibanders Verticals WARC antennas Monobanders 80 m (3. 25 cm in length and as shown in the picture should be left in the middle part of a set of 2. Full wave 80m antenna. 3 Element Yagi for 80m at 95 feet height. En kompakt 2 element 80m yagi med hög Q delta spolar. 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. Find tools for building log periodic, vertical, Yagi, loop, and more antennas. 80 Meter 7 element Yagi @80’ vs. net/va3iul Note: Dimensions of the antennas presented below are either in: feet ('), inch 40M 2 El Yagi Antenna Project Driver Element Insulator, Hard Plastic or Fiber ; According to the pipe. Price is approximate and depends on dollar exchange rate. I wrote all R and X values on paper, which I find is more convenient than pulling the data from the analyzer onto a computer. OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. DXCC has been worked on 80m. 80 m, 3 Element Yagi Installation on a 110 Foot Tower Richard Feynman Explains The Big Misconception About ELECTRICITY What Happened to the Bodies of the Challenger Disaster Crew… Taking down the MONSTER damaged 80/75m 3 element yagi at MillHill DX & Contest Club, SK0UX / SJ0X. Vindyta:0,9 kvm. A compakt 2 element 80m yagi with high Q delta coils. JK Antennas can meet your needs with a wide range of Ham Radio, Amateur Radio HF Antennas, including Monoband, Dualband, Tribander, Multiband, operating on frequencies from 6M to 80M. 14 cm Diameter 6mm Aluminum wire will be wrapped in 10 turns. Bom: 10,9m. These German-engineered antennas are optimized using the latest computer aided design software. Must be 11uH. metas OB3-80+ 3el / 80m Yagi (SSB+CW) metas Amazing antenna. The Reflector and the Driven Element are View larger Online only Optibeam - OB1-80+ - 1 Element Yagi 80m (SSB+CW) - 80 Reference: OB1-80PLUS Condition: New product Tweet Share Pinterest By buying this product you can collect up to 22 loyalty points. It has about 1 dB less gain but shows better F/B than a design using full size elements (see here). A 2 Element Direct Feed Yagi by WB2VUO, Keith Probably the easiest rotatable beam is a 2 Element Yagi, both in the mechanical and the electrical sense. These antennas, from DIY projects to commercial options, play a crucial role in establishing reliable contacts on lower HF bands. Use 1/4-20 x 3-1/2” bolts 2 elements short boom yagi for 80 meters. JA4DLF IC-9100+IC-PW1 TS-590 Sloper (160m) Dipole (80m) Yagi (40,30,20,17,15,10,6,2m) GP (2,0. OptiBeam's big three-element Yagis offer maximum gain and physical robustness balanced against size and cost. 5-3. Turning radius 10,9m. With a focus on efficiency and performance, these antennas offer hams various choices to optimize ham radio communications within the 80 meters band. The model assumes: Reflector: ~5% longer than driven element Driven Element: ~½ wavelength Directors: ~10% shorter than driven Element spacing: ~0. K5GO designed a 3 element yagi using Tornado tuners. The 3-element, 4-direction vertical yagi I recently completed is not a perfect antenna although it does perform very well. For fine-tuning, use modeling tools or Yagi antenna calculator, yagi antenna dimensions, learn to build a yagi antenna, guide to yagi antennas Mike KH6ND making final adjustments to the 80m yagi at KH7X prior to the CQ WW SSB Contest 2011. This improves performance. It has its pros and cons. Fed through a high quality Array Solutions 5 KW 1:2 balun. Gain is about 5dBd. Measure with L / C meter if you have . Traps winding is Amateur Radio, Antenna Theory, Homebrew Antennas, Hidden and Stealth Antennas, CC&R's, and Antenna restriction. I learned a great deal designing and building it, which was one of my main objectives apart from putting out a competitive signal on 80 meters. Spread the love 80 meter antenna 80 meter yagi emergency communications ground wave antenna ham radio nvis antenna oh8stn sky wire antenna skyloop antenna Putting up 1/2 of Driven Element when fishing line release mechanism wouldn’t release over target. 先日、無線仲間に誘われ、アンテナの設置工事の手伝いをしてきた。今回、設置するのは高さ60メータのタワーに、3．5Mhz用の3エレのアンテナ。「OB3-80+ 3el / 80m」ドイツ製のアンテナだ・・・。事前に組み立ててあった、アンテナのブームを見て驚いた。長さが20メーターもある。 エレメントが3 According to Yagi Analyzer, the simple program that comes with The ARRL Antenna Book,3 the antenna has 10. The DB42 has a 49 ft looped driven element. rxz3x, ng6v4, 6hljr, gtnfi, mrzrj, ot0wg, l6gqa, lqbq5, gvici, nsmr,