Unbeatable price Fm YAGI ANTENNA & all Cameras, Computers, Audio, Video, Accessories. Shop Now Fm Yagi Antenna 11m / CB Yagis. MOST SHOWN POWER LIMITED ARE A RESULT OF THE CONNECTORS ONLYMOST OF OUR ANTENNAS CAN BE MADE TO HANDLE 20KW++ CALL OR Read more 11m 27MHz CB Yagi antennas 3 el. YAGI S 27 MHz (27Y3S) Small, compact, stinging.The SmarTech 27Y3S is an antenna that has all the advan.. € 139.00 . Here are some photos of a 3 element Yagi Boom length = 10 ft / 7.6 DBI / 25 DB FB.. Impedance = 23.8 ohms ---> This means a gamma match can be used to tune the antenna. Check out my Gamma Match page on how to build one
Antennas 11m 27 MHz : Click ↓ Votes ↓ Flag ↓ 2 or 3 elements yagi 27 mhz: 3 element yagi for 11meter, I1WQR: 2 element quad for 11 mt: A 2 Element Cubical Quad for the 10/11 Meter Ban Wolf radio cb ham pirate antennas antenna mosley electronics munication antennas 5 element yagi 11m hamsphere 4 0 vhf uhf beam antennas 6m s directional antennas pg1n ham radio site. Related. Related Posts. What Is Jim Beam Honey . December 11, 2020. Allowable Deflection In Timber Beams.
3 Element 11m Yagi Building Cb Antennas. Ever wonder if a full size 40m yagi makes difference by aa7xt ken s electronics whole retail electronic parts kalamazoo michigan cb gizmotchy 3 or 4 element base beam antenna page 20m mini yagi beam 11 element 2 meter low noise yagi pa144 6bg 20m moand yagi antenna 3el pa14 3 6 Seven projects. Here seven bullet-proof yagi, from 3 to 8 elements, from 2.5 to 19 meter boom. Bullet-proof, why? Anything is scaled to 11m from the 10-Meter ARRL project. All are designed with one goal in the mind, to maintain a solid gain and F/B and SWR ratio over the band. So who wants to build one, should better buy the ARRL Antenna Book. Yagi 6 element, made by Kevin 172 DA 010, with measurements from this web site, www.DX-antentannas.com Welcome to DX-antennas.com. With this web site, we like to inform you as much as possible (with the knowledge we have) about antennas. You can find information here from vertical antennas to loops and from Moxons/Yagis to Quads..
The Best Yagi Antenna: Wilson Yagi Directional Antenna. Wilson's Yagi antennas are the most versatile yagi antennas for capturing cellular signals. Reliable and simple to install. People have relied on these antennas for solving their cellular problems in-building for years. The only real consideration is which version to get: 50 or 75 Ohm 3 Element Wide Band Yagi ( 27.4 - 28.7 mhz ) Since so much CB Radio Operators are also licensed Amateur Radio Operators , I did a Wideband design of my 3 Element 11m Yagi . Utilizing the same 10 ft boom , I was able to design an antenna that has good SWR ( 1.3 <--> 1.3 ) from 27.300 mhz to 28.700 mhz . However to get such a large bandwidth , I. 466 yagi antenna. £55.00. overseas contact us for shipping costs 5 element high gain antenna designed for446 MHZ highly directional over 10dbd gain. Details Add to Cart. The titan6 is a six element broadband monoband yagi covering 11m 27mhz and 10m 28 mhz bands without the need for a tuner. Details Add to Cart. 6 m dipole
11m 7 el. beam Yagi (27 MHz) DXBeam (DXM11-7) 11 meter 7 element beam Yagi (27 MHz). Boom made from 60 to 50mm tube. Elements made from 22 to 12mm tube Building and experimenting with antennas can be an interesting part of the radio hobby. Here we have collected some links to building instructions for 11m antennas on the www.There is also links to some sites with general info on antennas . 4.8 out of 5 stars 16. $19.99 $ 19. 99. Get it as soon as Thu, Jul 22. FREE Shipping on orders over $25 shipped by Amazon ProSkypper 11 Mod. 29574PRO11 The ProSkypper 11 antenna is dedicated to the 11m band. ProSkypper is the professional evolution of the lightest 3-element yagi antenna model, perfect for portable radio activity thanks to its low weight and extreme ease of transport and assembly The J-Pole antenna is much more popular on VHF.. Because it ends up being a long antenna on HF , it isnt all that popular.. However , on the 11m band , the J-Pole still has a managable length = 27 feet
6 el. YAGI 27 MHz short boom (27Y6S) Optimized Wideband Antenna (OWA), fed directly with a 50 ohm cable. The 27Y6S ha.. € 572.0 . beam Yagi (27 MHz) DXBeam (DXM11-3) 11 meter 3 element beam Yagi (27 MHz). Boom made with 50mm tube. Elements made from 22 to 12mm tube
11 Meter Moxon Antenna Cqdx11 Cb Radio Citizens Band Hf Dx 27mhz. Cb Radio Antennas Hf Wimo. Martin Hedman S Hemsida. 4 El 20 15m Moxon Yagi. Moxon 11m Hamsphere Mobile. Moxon Yagi. Dk7zb Dualband Moxon 10m 6m 28 Mhz 50mhz. Martin Hedman S Hemsida. Building The 6 Meter Moxon Antenna Kb9vbr Antennas Traditional Yagi designs that are worth considering have been around since the 1980s. If we check the 10 meter performance of these antennas, we have a basis for com-parison. A normal wideband two element reflector-driver Yagi is about 5.5 feet long. The beam manages about 6.0 dBi free-space gain across the band with only 10 to 12 dB front-to-bac
5 element 2M yagi. £95.00. Details. 6 meters 50 mhz delta l.. £79.00. Details. 6 Metre dipole Inc Balu.. £70.00. Details. 70cm Slim-Jim Antenna 4.. £41.00. Details. 88-108mhz jpole antenna. £70.00. Details. 9:1 balun 200w. £23.00. Details. delta loop 1. £129.00. Details. FM Broadcast Dipole Ant.. £55.00. Details. slim jim 395 mhz. £50. The simple Yagi Antenna is shown in the figure-1. It consists of three elements viz. director, dipole and reflector. It may have one or multiple directors. Dipole (i.e. Driven Element): It is the feed point where feedline is usually attached from transmitter. This helps in transfer of energy from transmitter module to antenna What ever the name is its principle remains the same. It is a full-size 3 elements Yagi with the Director and Reflector bend towards the radiating element. With this comes a small size Yagi with Gain 7,3 dBI and Front to Back in the order of 30 d Yagi-Uda antenna gain considerations. There are several features of the design of a Yagi antenna that affect its gain: Number of elements in the Yagi: The most obvious factor that affects the Yagi antenna gain is the number of elements in the antenna. Typically a reflector is the first element added in any Yagi design as this gives the most. Download Images Library Photos and Pictures. 3 Element - 11m Yagi - Building CB Antennas 7 element Quad (11m), HamSphere 4.0 Shop 14FDX015 & 14VOG015 Mickael: Plan Fabrication Antenne 11M GB Dipole 11m Band Delta Loop 27 MHz (11m) CUBICAL QUAD 2 él - quad Bamby - Radio CB Forum - Forum 27Mhz • Afficher le sujet 7 element Quad (11m), HamSphere 4.0 Sho
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Feeding the Antenna. One of the important parts of getting a really good, high gain radiation pattern from the antenna, is to feed it correctly. Under the Coax Basics section, I discussed that coax cable is unbalanced, which means that no current flows on the shield of the coax. The quad (and yagi) are balanced feed antennas, meaning that they. HB9CV - 2 Element Yagi for the 11 meter band . The idea is to get an small antenna, this is a great solution. The HB9CV antenna is smaler than a 3el. conventional Yagi but you get the same gain and caracteristics. I had to change The original design because it probably was designed for the 10m Amateure band HF 3-Band antenna 3B-222 for 20m, 15m and 10m that covers also 11m CB through the power of full 3-D optimization! Perfect optimized tri-bander with excellent performance. Covers all three main upper bands. 20m, 15m 10m as well as 11m all channels. Full range. Uses a common feed line All Gizmotchy antennas are made of aircraft alloy 6063-T5 aluminum tubing with .050 wall thickness, additionally elements are made from 6006 an even tougher alloy. element to your antenna. Addition of Gizmotchy® Power Boosters to your Gizmotchy® 10/11 Meter antenna adds another set of director elements plus a 3.75' extension boom 11-meter Yagi 5-element at 80 ft (11m) The 5 element mono-band Yagi antenna series have been designed keeping in mind the requirements of an Item no : ANT06
The antenna shown in Fig. 1 is a four elements Long Yagi, installed since last year at 12 meters above the ground. The boom is 5.90 meters long and the feeding system is a common Gamma Match. After many trials on my computer with Y.O. (Yagi Optimizer), I found that the best compromise between Gain, F/B, Impedance and Efficiency, is a long boom. CB 11m Freeband 2 Element Beam Buddipole. Posted on. June 12, 2017 by ve3ips. One of the Bravo Sector members enjoys operating in the Freeband only because he is enjoys operating in a free society. Several years ago we had a Field Operations Event and i brought along a pop up 2 element beam that with a tuner could cover 27-29 Mhz Attic antennas can work better than you might think, some of mine work as well as their outside counterparts (no I'm not comparing to a 150ft tower & big yagis). The RF losses are fairly low in wood and most roofing at HF & VHF, most of problem comes from interaction with electrical wiring and ductwork ZX-Yagi: supplier of fine shortwave antennas, especially monoband beams, small tribanders like the MINI-2000 or the G4MH beam, and vertical antennas like groundplanes. We also provide the famous MTFT balun. ZXyagi was founded by PA1ZX, Ron Eberson, now belongs to WiMo Antenna Ltd., a big german supplier of antennas and other radio and Amateur. CB (11m) Yagi 2; CB Marine Antenna 2; Centre Loaded 2; Coax Cable Assembly 1; Counterpoise Kit 1; Dipole Centre & Insulator 1; Discone 11; Dual Band (2m/70cm) 65; Dual Band (6m/2m) 1; Dual Band (6m/4m) 4; Dualband antenna 1; End Fed Wire 14; GPS Antenna 1; Handheld Whip 2; HF Band 23; HF Vertical 20; HF Wires 24; HF Yagi 26; I44Mhz (2m) 1.
Multiband antenna. It is easier to build a multiband cubical quad antenna, than a multiband Yagi antenna. Higher gain. The 2-element quad has almost the same gain as a 3-element Yagi: about 7-7.5 dBi. A 3-element cubical quad has more gain than a 3-element Yagi. However, adding quad elements produces diminishing returns th-11dx - hy-gain - 11 element yagi antenna for 10-12-15-17-20 meters. The TH-11DX is designed to give maximum DX performance. 1,490.00 € Tests with 2m Yagi Antennas. After removing my old 11m dish, I had a nice YL1050 PA for 144 MHz and a 3-phase power supply left unused. I tried to sell it, but nobody was interested, probably because most people prefer LDMOS PA. After a while I decided to build a yagi array consisting of four EF0210LT antennas, designed by YU7EF I have started a series of tutorials on how to use EZNEC for basic Yagi Modelling and if successful, will move on to other antenna software packages too. Please follow on YouTube and let me know if there is any particular subject you would like to see. Below is an example video covering establihsing and applying DL6WU stacking formulas Maco V-5000 Base Antenna. Seamless Aircraft grade aluminum, 5db gain, 1.5 maximum SWR, 5000 Watts Height: 16-1/2' t.. Add to Wish List. Add to Compare. $194.99
A 4 element 27.2-27.8MHz LFA Yagi - (can be adjusted From 26.5 - 27.5MHz to suit users preference) 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.Hard to beat with a direct 50 Ohm feed-point and no matching losses and. Antennas are 100% rust proof. Stainless steel hardware, high-impact polystyrene insulators with drawn, seamless, aluminum elements & boom will provide many additional years of trouble-free operation. Low SWR over entire bandwidth. Maximum gain on all bands with an operating capacity well over 1 KW Quality 11m antenna with free worldwide shipping on AliExpres Maco Shooting Star 8 Element Base Station Antenna 10/11 Meter H/V Beam Gain 14dB. $526.99. 56 watching. Wilson 1000 CB & Amateur Antenna 10 & 11 Meter 880-900802B. Damaged box Open Box. $79.99. Free shipping
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. Resources listed under 10 Meter Antennas category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators 2 Element Yagi - 11 metres Antennas ONLY AVAILABLE UK MAINLAND ONLY DUE TO SIZE 2 Element Yagi 11 or 10 metres. (sorry no shipping outside UK )due to costs and losses. Do you want a small yagi? You also want the best gain possible....(Best bang for buck (ARRL)). This is a director-driven (for max gain). Only 28.5inch boom on 10/11 meter band A Mosely CL-33 is a triband HF horizontal Yagi. That's a whole different animal than a 6m and/or 2m VHF vertical. No relationship whatsoever to the OP who is not putting up an HF antenna, nor a yagi, or a horizontal; nothing like a CL-33. Rich, you can disregard the above. He must not have read your OP Delivery from $35 courier Aust. wide. Pickup also available. 27 MHz MOBILE ANTENNAS. We now have a New Line of 27 MHz (11m) Mobile Antennas which are ideal if you looking for a quality Antenna with the DB Gain you need. Please Contact Peter for detailed information. $95.00 Delivery from $20 via courier
The KJ5VW 20 Meter Mini Yagi The KJ5VW 20 Meter Mini Yagi Gary R. Hanson, KJ5VW Austin, Texas Imitation, it is said, is the sincerest form of flattery so let me begin by pointing to the direct source of my inspiration for building this antenna. I first got the idea for a mini antenna from Frank, G3YCC's article in the QRPp quarterly, June, 1996 Material list for building a 4 Elements Yagi 1″ X 0.5″ Rectangular Aluminum tubing for the boom 3/8″ Aluminum tubing for antenna elements 1cm Outside diameter antenna tubing for elements holder 1pc SO239 connector Pop rivets / Rivet tool #12 AWG Copper wire with insulation (12″for Gamma match) Soldering iron 8pcs Stainless steel nuts and Continue reading Build a 4 Elements Yagi Solarcon I-MAX 2000 24 Feet CB Ham Radio Base Station Vertical Antenna. 4.4 out of 5 stars. (89) Total Ratings 89, $159.95 New. K40 Electronics Sf-300w 3 Superflex Whip ANT 1 - 4fiberglass WH. $16.99 New. TRAM Nh-4-hc 4ft Heavy-duty Steel CB Antenna. 4.5 out of 5 stars
The Gizmotchy® high performance horizontal and vertical beam antenna traces its roots back to the early dawn of CB history. The Gizmotchy ® antenna still retains the look of the original Gizmotchy ®, but has been improved with new designs, higher quality workmanship and state of the art materials. Gizmotchy® Antennas and Maco® Antennas are Divisions of Charles Electronics, LLC Comet Antennas. Get big performance from a small space! Comet Antennas is a leading manufacturer of space-friendly antennas designed to make the most of tight spaces. DX Engineering offers a full line of mobile antennas as well as compact Comet HF vertical antennas, HF beam antennas, VHF/UHF base antennas, handheld and scanner antennas, and more
For nearly 48 years Cubex Co. has been designing and building cubical quad antennas for amateur radio operators around the world. Cubex currently offers Cubical Quad antennas for 70 centimeters through 40 meters. All models are built using only the finest materials available, including but not limited to cast aluminum alloy spiders, and only the finest quality fiberglass spreader arms DBJ-1 (commercial) dual band base antenna - (152-157 MHz and 460-470 MHz). Maximum power input 75 watts. - $40 (also available in 250 watt version for $60 - please email me for this special order item.) DBJ-2 (ham) dual band roll up antenna kit - (144-148 MHz and 440-450 MHz) Includes adapters for BNC, SMA and SMA - female. Also includes a 6 ft. Homemade Magnetic Loop antenna for 27 MHz. Else known as Small Transmitting Loop or STL, this isn't a traditional electric antenna, because the near field is almost magnetic. This interesting feature makes the ground plane losses very low and generally this antenna has little dimensions. Besides, STL produces little or no TVI and. 11m 11meter DX DXing freeband cb radio 11m band yaesu transmission foxtrot bravo dx group 27 mhz 27555 freebander amateur radio ham microphone transmit marconi sunspot propagation QSL EQSL Echo Charlie Foxtrot Bravo is a frebanding DX group on the 11 meter band. Full of resources from DX information, EQSL, starter info and QSL email bureau
GB 27MHz Yagi/Quad Antennas. GB 27-2elm Quad Light Model; On sale! GB 27-2elm Quad Light Model. 11 Reviews. GB 27-2elm Quad Light model for 11m and for the 10m band. Fiberglass elements:2 parts Blue 14mm Yellow 12mm. Veel gelezen over Quads en Yagi's, uiteindelijk door het goede advies van GB Antennes gekozen voor de 2 el Cubical Quad.. 20m,15m and 10/11m HF Antenna. Backorder Available 2m Cross Yagi Beam Antennas. In Stoc Sirio claims they optimized the antenna to allow users to adjust for 10 meter coverage. With knowledge of how a yagi works I assume it could always have been done. I have the Sirio 3 element horizontally polarized on my tower now. It is setup for 11 meter. I no longer have interest in 11 meters 11m 11meter DX DXing freeband cb radio 11m band yaesu transmission foxtrot bravo dx group 27 mhz It was the first of `heavy duty` beam antennas and they did make the difference those days. Wimo `bougth` zx/yagi. and since then have heard people complaining about the mechanical construction...it suppose to went down a bit... Antennas 11m 27 MHz : Click ↓ Votes ↓ Flag ↓ 11 Meter long wire27 mhz antenna, NL3ASD: 11 meter Moxon Antenna suitable for 27MHz CB: 11 meter j pole end fed antenna: 27 MHZ 1/2 Wave Dipole: 4 element yagi for 27 MHz: 3 Element Wide Band Yagi 27.4 - 28.7 mhz: An EH Antenna without Coaxial Feeder Cable: Antena plano de tierra: Antenna.
2el Yagi OptiBeam @ 42m (boom lenght 11m) HALF SQUARE W/VE HALF SQUARE JA Dipole Beverages 240m (30,100,180,250,320°) 40m: 4 elements HB9CV@35m (boom lenght 20m), 2 elements HB9CV@30m (boom lenght 5.3m) 20m: 6/6 Yagi @ 30,18m OWA+OWA design (boom 14.5m + 14.5m. TOP rotatable, bottom fixed) 15m The dipole has no gain compared to a yagi (beam) antenna. The dipole is used as a reference antenna for comparison of other types of antennas and is usually referenced as 0db gain or in techincal terms 0dbd. The d at the right side of 0dbd represents the reference (dipole). It is a standard, basic antenna and the most widely used of all.
43 FOOT 10-160 METER MULTIBAND FOLDOVER VERTICAL ANTENNA WITH UNUN. View Details The classic sloper antenna is a top-fed 1/4 wave vertical antenna sloping down and away from a tower. The sloper's feed point is anchored high above ground near the top of the tower on which sits a grounded HF yagi beam antenna. The yagi plays the role of a ground plane, while the tower plays the double role of reflector and grounding rod MFJ Enterprises Inc,Ameritron,Hy-Gain,Hygain,Cushcraft,Vectronics,Mirage,MFJ,MFJ Enterprises,Antenna,Radio,Ham Radio,Amateur Radio,Tuner,Analyzer,Starkville,Amplifier.
A 3 Yagi uses a half wave dipole a using director (front element) and a reflector (rear element) The dipole is the driven element. The driven element is calculated by the follwing formula 468 divided by frequency. (example: 468 divided by 27.195) I use a program called Yagimax 311 to calculate distance of the elements and boom length to get. The antenna is a full size 5/8 wave, 10/12meer vertical antenna type, which was popular back in the 70s. And now Hy-Gain brings it back to you. The model is characterized by a full-size radiator (with a lower radiation angle) that concentrates power closer to the ground, exactly where you want it t *Antenna Wednesday* Lemm 3/8 May 19, 2021 11M 27MHZ AM antennas cb antennas cb funk cb radio cb radio antennas cb radio europe cb radio in europe CB RADIO UK citizen band radio citizens band radio FM Lemm Antenne Italy Lemm AT-2001 Turbo 3/8 multi-EU norms new antenna simonthewizard SSB *Insider News* Another with NRC LFA Yagi Antenna. This post highlights some of the technical and intellectual property points concerning the Loop Fed Array (LFA) high performance Yagi-Uda antenna designs created by Justin Johnson (G0KSC) and his computer technique using NEC and self-refining Particle Swarm Optimization and other Genetic Algorithm techniques.. This is very similar to the technique used by OTA DTV. Antennas work best when they clear any other object by at least a wavelength or two, which in FM is 20 to 24 feet. Leaves, particularly, have a lot of water and a lot of reflective surface, and can significantly throw off the tuning of your antenna. If you use a tree, you will have to make an alternate arrangement for grounding, since the tree.
In the classic directional Yagi design, the Maximum Beams line of base station antennas can be mounted either vertically or horizontally for best base-to-mobile or base-to-base communications. Mosteconomical antenna of its type on the market today, all Maximum Beams feature MACO adjustable gamma match for high performance The spider beam is a full size lightweight tribander yagi for 20-15-10m, made from fiberglass and wire. It has been specially developed as a highly efficient antenna for portable use - a DXpeditioner's dream. Further development yielded a complete 5-band-beam (20-17-15-12-10m), a WARC version (30-17-12m), and several other configurations
The TACTICAL antenna is a dipole folded over a non-inductive load resistor. It is designed to operate from 1 to 30 MHz but especially for an optimal efficiency on low bands, below 10 MHz. It is intended for users who want a fast, operational, broadband and unadjusted antenna : military, professional, SWL, etc. 399,90 € Ultra Beam offers an extensive range of dynamic HF antenna systems manufactured in Germany. The Ultra Beam products are characterized by a very solid and careful construction, both from a mechanical and electrical perspective. All products are made of the highest quality materials sourced from Europe, and they present state of the art technology. The Ultra Beam antennas are electronically.
3-Element Yagi. For people who can get them high enough, and have a method for rotating them, Yagi-Uda antennas are among the best choices for DX work. Their directional selectivity and high gain mean quieter received signals, and stronger transmitted signals, than many other antenna options. PLEASE NOTE: the warnings above are especially true. yagi_uda_antenna_DL6WU.php 14898 Bytes 24-07-2014 07:55:47 Yagi Uda Antenna Calculator . Based on Rothammel / DL6WU You may want to combine it with a folded Dipole. REQUIREMENTS. Freq. [MHz] Boomlength [m] Gain [dBd] (approx.) Elements : Diameter of parasitic Elements [mm] Diameter of Boom [mm].
Some Quad - Yagi Theory. Although this is a practical construction article and not a theoretical treatise on antenna design, it would violate the spirit of amateur radio to merely present the dimensions and send people racing off to build a new type of antenna without any discussion of its theoretical basis.. The Yagi-Uda antenna with its half-wavelength linear elements was very popular. Welcome to the Amateur radio HF Beam antennas page. Here, you'll find links for high gain antennas covering HF Frequencies. In addition, specific models mentioned in the Antennas forum cushcraft antennas, and more are here for future reference. Amateur radio Antenna sold here, we update our stocks to keep in touch with modern improvement's in antenna design Tri-band 6 element HF Upper Bands and CB Radio Yagi Antenna 3B-222HD Full Coverage. Description; HF 3-Band antenna 3B-222HD for 20m, 15m and 10m that covers also 11m CB through the power of full 3-D optimization! Perfect optimized tri-bander with excellent performance. Covers all three main upper bands. 20m, 15m 10m as well as 11m all channels. Most HF antennas like the dipole, OCFD, Long-wire end-fed, Yagi, etc are usually horizontally polarized. On the other hand, most of the QRM is largely vertically polarized. Hence, the horizontally polarized antennas have a native property of rejecting a large portion of the QRM by virtue of polarization mismatch Yagi-Uda antenna is popularly used for TV reception. from Antennas and Wave Propagation by G. S. N. Raju Pearson Education, 2006: A Yagi antenna can be used indoors or outdoors, depending on the manufacturer. from Complete CompTIA A+ Guide to PCs by Cheryl A. Schmidt Pearson, 2013: The use of a stripline antenna offers a very cheap alternative
UB640 - VL1-3 Antenna. Price: TBA. Frequency range : 7 - 50 Mhz (50 Mhz it requires kit optional), 3 elements yagi : 6-10-12-15-17-20 metres, 1 elements dipole folded 30-40 metres. Price includes 30m pre-assembled control cable and the RCU-06 touch screen controller. more details » NEW! CAA-500MarkII Comet has redesigned the CAA-500 to include a full-color TFT LCD display and SWR graphin Full Size 20 meter 3 Element Yagi Antenna: PA14-3-6HD 14 MHz - 14.35 MHz. Up to 10 kW versions available. Strong 60 x 60 mm boom and and 35 mm sturdy initial diameter of elements ensure resistance to high wind and snow
This calculator is designed to give the vertical length (height) of a particular antenna, for the frequency and wavelength chosen. This does NOT take into consideration the type or size of horizontal reflectors, of even if there is a need for them. Enter the desired frequency and select the wavelength. Click on Calculate and the optimum length. This calculator can be used to design a Quarter Wave Ground Plane antenna, with radials. The radiating element is a quarter wave (λ/4) and the radials are 12% longer. There are usually four radials, three being a minimum, but you could use up to six. This is a true unbalanced antenna, with a feed impedance of around 50Ω and therefore a great. Figure 4 shows a theoretical two-element yagi designed for 75m (3.8 MHz). The antenna consists of a half-wave dipole driven element and a passive reflector. The reflecting element is 5% longer than the driven element and is located 0.15 wavelengths behind the driven element. This is a very standard 2-element Yagi design The Navassa-5 is a compact 5 Band Yagi antenna on a 12Ft boom. This page details all the SWR Data and performance. Call us at: +1 475 289 2222. JK Navassa-5 HF Multiband Yagi SWR Measured at 36ft/11m above the ground on a MA-40 tower using RigExpert AA-54 with 100ft of RG213 Coax & feedpoint with 1:1 balun