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InnovAntennas
InnovAntennas is a U.K.-based company that has pioneered new modeling and optimization technology for the development of specialized high performance HF, VHF and UHF...
InnovAntennas is a U.K.-based company that has pioneered new modeling and optimization technology for the development of specialized high performance HF, VHF and UHF Yagi-style antennas for commercial and amateur markets. The company's unrelenting application of the latest 64 bit commercial-grade Numerical Electromagnetic Calculation engines and advanced Particle Swarm Optimizations to their cutting edge, low-noise designs has achieved the production of unparalleled antennas. InnovAntennas let you hear weak signals better than any other antennas of the same boom size. Their antennas are simultaneously engineered for the...
InnovAntennas is a U.K.-based company that has pioneered new modeling and optimization technology for the development of specialized high performance HF, VHF and UHF Yagi-style antennas for commercial and amateur markets. The company's unrelenting application of the latest 64 bit commercial-grade Numerical Electromagnetic Calculation engines and advanced Particle Swarm Optimizations to their cutting edge, low-noise designs has achieved the production of unparalleled antennas. InnovAntennas let you hear weak signals better than any other antennas of the same boom size. Their antennas are simultaneously engineered for the best mechanical and electrical characteristics, so you are assured of long-term performance in all aspects of your installation. Your receiver is only as good as the antennas employed, so look no further than InnovAntennas for the absolute best. DX Engineering is proud to be the exclusive North American distributor of InnovAntennas.
InnovAntennas Ferrite Bead Baluns
InnovAntennas Ferrite Bead Baluns are fully assembled and ready to install, to achieve the absolute best performance from an InnovAntennas Yagi or other balanced terminal antennas. In contrast to wound baluns, ferrite bead choke baluns have the advantage of covering a wide frequency range for multiple bands. As required for most Yagi antennas from InnovAntennas with 50 ohm direct feed, ring terminals are installed on one end for the studded feedpoint connection. The other end is terminated in either Type-N or SO-239/UHF Female for the appropriate band coverage and impedance. Heat shrink filled with a UV-resistant adhesive provides a waterproof cover over the ferrite beads on the cable and the connector. Why do I need a Balun on my Yagi? Ferrite Bead Baluns offered by InnovAntennas provide very important functions of a balun, which is not well understood. For proper antenna performance, a ferrite bead balun inhibits common-mode current two important ways; A) it prevents RF flow on the outside the coax shield cable when transmitting, and B) it prevents stray RF noise picked up by the coax cable shield from entering the antenna system and affecting the receiver. What happens on the antenna without a RF choke balun? Several problems can occur. When an unbalanced feedline is connected directly to a balanced antenna with no BALUN in place, common-mode currents will run on the outside of the coaxial cable shield. The Yagi feedpoint is forced out of balance causing a skew and diminished beam antenna pattern and gain. A loss of Front-to-Back ratio (F/B) can occur, as well as detuning that affects antenna frequency, potentially causing increased SWR. In addition to the pattern distorting performance drop, radiation from the antenna feedline can cause interference to home and business electronics. The other very important benefit of using a wideband ferrite bead balun is to reduce received noise in certain situations. While the noise produced by many household products is normally at very low levels, sensitive ham radio receivers can be affected, which can prevents weak signals being heard. RF noise picked up on the coax cable shield will enter the antenna system feedpoint when no ferrite bead choke balun is installed at the feedpoint.
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$108.99
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$119.99
InnovAntennas LFA3-HG 50 MHz 5-Element Yagi
InnovAntennas 50 MHz LFA3-HG 5-Element Yagi was designed to have the best gain on a relatively short boom. This antenna offers forward gain of 10.7 dBi (16.2 dBi at 10m above ground) and an exceptional 31 dB front-to-back rating with SWR less than 1.4:1 in the 50-50.4 MHz range. The low profile LFA3 dipole achieves a significant reduction of noise, allowing clear reception of much weaker signals, a key component of operational improvements and success. The LFA3-HG has a 12.8 ft. boom and a low 2 sq. ft. wind load, making this beam ideal for typical 6 meter stations as well as for stacking to maximize gain, especially when available space restricts the use of a longer boom Yagi. It features a 1.25 in. (32mm) 16-guage square aluminum tubing boom for rugged reliability and low weight. This antenna is made with single piece 5/8 inch (15.88mm) element centers, 1/2 inch (12.7mm) tips with loop ends made with 3/8 inch (9.525mm). The antenna has fully insulated elements which will ensure continuous, high performance for many years to come. The introduction of the loop-shaped and phase-fed dipole achieves considerably fewer side lobes in the Yagi directional pattern. With less energy absorbed from the sides and from behind, these antennas becomes quieter and they achieve a higher forward gain. The 50 MHz Monoband LFA Yagis from G0KSC represent a significant advancement in the development of Yagi antennas.
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$529.99
InnovAntennas VHF UHF Plus Log Periodic Dipole Array Antennas
InnovAntennas VHF UHF Plus Log Periodic Dipole Array Antennas are specifically designed to serve in a wide range of Amateur, industrial and commercial radio applications. Two frequency coverage models feature: - Broadband frequency coverage with good directionality - Horizontal or Vertical Polarization Mounting - Gain and front-to-back performance for specific purposes as compared to Omni-directional zero-gain Discone - RF Power Handling up to 1000 watts - Boom End Mount max. 2 in. (50 mm) mast - Computer-optimized 50 ohm feedpoint design for direct coaxial cable connection - Robust construction with high-quality materials InnovAntenna Log-Periodic Antennas offer state-of-the-art technology and quality along with impressive versatility and reliability. Achieve performance and efficiency for your specialized radio applications.
Not Yet Reviewed
$466.99
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$579.99
InnovAntennas 50-LFA-4-LN 4-Element 50 MHz Yagi
InnovAntennas 50-LFA-4-LN 4-Element 50 MHz Yagi was specifically designed for city use in noisy environments. This Loop-Fed model is optimized for front-to-back performance on relatively short boom of 11.15 ft. (3.40 meters), to reject as much local noise as possible. This antenna offers very good forward gain of 9.4 dBi (14.9 dBi at 10m above ground), and an exceptional 32 dB front-to-back rating, and SWR less than 1.4:1 across the 50-50.5 MHz range. The low profile LFA dipole achieves a significant reduction of noise, allowing clear reception of much weaker signals, a key component of operational improvements and success. The 50-LFA-4-N includes a center mount boom to mast clamp for up to 2 inch masts (50mm) and is a sleek 1.77 sq. ft. wind load, making this beam ideal for typical 6 meter stations. It is also excellent for stacking to maximize gain, especially when available space restricts the use of a longer boom Yagi. It features a 1.25 in. (32mm) 16-guage square aluminum tubing boom for rugged reliability and low weight. This antenna is made with 1/2 inch (12.7mm) element center sections and 3/8 inch (9.525mm) for the outer elements. The antenna has fully insulated elements which will ensure continuous, high performance for many years to come, regardless of the weather conditions. The introduction of the loop-shaped and phase-fed dipole achieves considerably fewer side lobes in the Yagi directional pattern. With less energy absorbed from the sides and from behind, these antennas are quieter than typical 4 element beams to achieve a higher 6 meter performance level. The 50 MHz Monoband LFA Yagis from G0KSC represent a significant advancement in the development of Yagi antennas. They provide a low-noise front-end for your radio, so you hear more signals. This compact 4-element 50 MHz LFA provides stunning performance across the important section of the 6m band, 50.0 - 50.5 MHz. With a direct 50 Ohm feedpoint, no matching losses and suppression of unwanted noise, InnovAntenna 50-LFA-4-N is hard to beat!
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$489.99
InnovAntennas DXC-140 40 Meter Rotatable Dipole
InnovAntennas DXC-140 40 Meter Rotatable Dipole covers the entire 40-meter band with particularly good efficiency, impressive SWR bandwidth and a very reasonable wingspan, just over 39 ft. (12m). There are several methods to shorten a mast-mounted rotatable dipole, including loading coils and capacity hats. The position of the coils is critical to efficiency--closer to center is mechanically easier, further out is electrically better. The designer has used both methods to build the Delta C-140 antenna robustly and efficiently, limiting the size to a turning radius under 20 ft. (6 m) that many radio amateurs can easily mount on their tower mast and rotate within their property limits. The advantage of this design is a very large usable bandwidth of the antenna--the DXC-140 can be used over the entire internationally approved range from 7.0 to 7.3 MHz without having to use a tuner (SWR 2:1 or better). In the DXing range from 7.0 to 7.2 MHz, the SWR is usually equal to or better than 1.6:1, making the efficiency of the antenna 89 percent! Due to the robust construction of the DXC-140, no guy wires are necessary. Some of the images of this model installed show examples with guy wires, as chosen by individual user dependent upon the location, due to the expectation of snow and ice, for example. However, the mechanical design and construction will handle heavy loads, with the element diameter of 2.17 in. (55mm) in the center with a wall thickness of 0.078 in. (2mm). The element diameter decreases towards the end of the element save weight, but the ends still have a diameter of 0.98 in. (25mm) to easily support the capacity hats. All in all, the DXC-140 antenna combines a carefully calculated design with a very robust construction from an experienced antenna designer. This is also supported by the materials used: UV-resistant insulators, seawater-proof stainless steel hardware, and aircraft-grade aluminum elements. The result is a rotatable dipole with high efficiency, with an overall length of only 39.4 ft. (12 m) and a weight of only 18.7 lbs. (8.5 kg). The InnovAntennas DXC-140 40 Meter Rotatable Dipole is creating enthusiasm for many radio amateurs around the world. Order the DXC-140 for your station from DX Engineering.
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$1,128.99
InnovAntennas OP-DES 50 MHz Yagi Antennas
InnovAntennas OP-DES 50 MHz Yagi Antennas are a relatively new development from InnovAntennas. OP-DES stands for Opposing Phase Driven Element System, in which the ends of the dipole radiator of these antennas is angled backwards towards the reflector, parallel to the boom. This results in opposing phase relationships in the ends of the driven element, providing a very clean directional pattern with few side lobes. The OP-DES Yagi has optimized gain over a wide frequency range, while retaining a good front-to-back ratio. The driven element dipole of an OP-DES antenna has a low impedance of 50 ohms. This eliminates the need for matching elements or a transformer balun. For this reason, the antenna is offered without a balun, but an RF choke balun made of ferrites on coax should be used at the feedpoint terminal studs. With the coaxial cable directly connected to the driven element dipole, well over full legal limit power levels are possible. Like all InnovAntennas Yagis, the OP-DES 50MHz antennas are extremely robustly constructed; the larger model uses truss cables for the boom. All elements of the antenna use high quality aluminum, the clamps and screws are made of stainless steel. The supplied mast clamp is designed for masts up to 2 in. (50mm) diameter. Application Description Monoband Yagis are often used at contest stations, or when you want to use only one band for a certain time, for example to focus on a specific target during sunspot minimum. Another advantage of monoband antennas are the stacking possibilities, i.e. the arrangement of two or more identical antennas properly spaced from each other. InnovAntennas Yagis provide all the necessary technical specifications, so there is no guesswork about the stack spacing. The InnovAntennas OP-DES 50 MHz Yagis are designed through careful numerical optimizations to provide excellent gain with good bandwidth. As a result, a low SWR of 1.1:1 is achieved in the frequency range of 50.0 - 50.6 MHz (6-element) or 50.0 - 51.35 MHz (5-element). The experience of the developer Justin, G0KSC ensure superior operations with these antennas in practice, often supported by a lively exchange between users. TECHNICAL DATA InnovAntennas OP-DES 50 MHz Yagi (Monoband) Antenna Mast Mount: Center Antenna Type Directional Antenna Band 6m Power Handling: 5000 W Polarization: Horizontal Balun Included: No Mast Diameter Max.: 2.00 in. (50mm)
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$389.99
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$529.99
InnovAntennas 50MHz 6-Element LFA3 Low Noise Yagi
InnovAntenna 50MHz 6-Element LFA3 Low-Noise Yagi offers excellent performance across the important 50.0 – 50.5 MHz weak signal section of the 6 meter band. This Loop Fed Array Yagi is a full size beam with a 22.4 ft. boom, and it offers forward gain of near 12dBi and an amazing front-to-back of 29dB. This rugged 6 element LFA3 third generation beam features a bent reflector for more consistent impedance, pattern and performance. The Loop Fed Array has a direct-feed 50-ohm feedpoint with no matching losses. G0KSC LFA Yagis are a major step forward in the development of the Yagi Antenna, providing an ultra low-noise "front-end" for any advanced 50 MHz radio. Their well suppressed side lobes in both H and E planes provide excellent side and rear rejection of unwanted signals and noise, making this model ideal for locations with high levels of RF noise. The InnovAntennas 6-element LFA3 Yagi antenna is made to serve in any conditions, with an strong square aluminum tubing boom that is 1.50 in. (38mm) by 0.078 in. (2mm) wall thickness. Tapered elements consist of 0.50 inch (12.7mm) element centers and 0.375 in. (9.5mm) element end sections. Fully insulated elements ensures continuous, high performance in all weather conditions for many years to come. The boom-to-mast bracket accommodates up to a 2-inch (50mm) mast for this horizontally polarized 6-element LFA3 Low Noise Yagi antenna. For the 6-meter enthusiast who wants to beat the noise, enjoy great gain and front-to-back performance, this 6-element LFA3 is ready to serve you well on 50MHz.
Not Yet Reviewed
$619.99
InnovAntennas 144MHz Current Baluns
InnovAntennas 144MHz Current Baluns help to keep common mode currents off your feedline and they ensure that you get the best performance out of your antennas. These InnovAntenna baluns feature a ferrite core covered in a glue filled UV stable heat-shrink. Ring terminals allow for easy connection to the feed point of your Yagi antenna. Why use a balun? When an unbalanced coaxial feedline connects to a balanced antenna, unwanted currents can flow along the coax, distorting your antenna pattern and reducing its Front-to-Back ratio. These currents can also introduce RF interference in your home and even your neighbors' homes. Additionally, the coax can act as an antenna, picking up noise and degrading weak-signal reception. InnovAntennas 144MHz Current Baluns prevent these issues by properly matching your antenna's balanced feedpoint to your unbalanced coax system.
Not Yet Reviewed
$119.99
InnovAntennas 50MHz 6-Element LFA-MAX Low Noise Yagi
InnovAntenna 50MHz 6-Element LFA-MAX Low-Noise Yagi is about 3 ft. shorter than other 6-element 6 meter beams but has only 0.7dB less forward gain! It offers excellent performance across the important 50.0 – 50.4 MHz weak signal section of the 6m band. Even though this Yagi has boom only 19.16 ft. long, it produces a forward gain of nearly 11.2dBi and an incredible front-to-back of 31.5dB. This Yagi has a Bent Reflector system designed to enhance SWR bandwidth and front-to-back. And it features a direct-feed 50-ohm feedpoint which eliminates matching losses and is ready to weather severe conditions, with an strong square aluminum tubing boom that is 1.57 in. (40mm) by 0.078 in. (2mm) wall thickness. Tapered elements consist of oversized 0.63 inch (16mm) element centers and 0.51-inch (13mm) element end sections, both with 0.078 in. (2mm) wall thickness. Fully insulated elements ensures continuous, high performance in all weather conditions for many years to come. The boom-to-mast bracket accommodates up to a 2-inch (50mm) mast for this horizontally polarized 6-element LFA-MAX Low Noise Yagi antenna. There are a lot of us... aspiring 6-meter hams in the city where noise is a problem, who want a beam with great gain and amazing front-to-back performance. But space and money is tight? The InnovAntennas 6-Element LFA-MAX is ready!
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$699.99
InnovAntennas 50MHz 7-Element LFA-HD Low Noise High Performance Yagi
InnovAntenna 50MHz 7-Element LFA-HD Low Noise Yagi offers amazing performance for its price for the critical 50.0 – 50.4 MHz weak signal section of the 6m band. This "Loop Fed Array" Yagi is a full size beam with a 29.2 ft. boom length and it offers great forward gain of 12.8dB and an incredible front-to-back specification of 43.3dB! This rugged LFA-2 second generation 7 element beam features a direct-feed 50-ohm feedpoint, no matching losses and excellent rejection of unwanted signals and noise. It's well suppressed side lobes in both H and E planes make this model ideal for very noisy city locations. The InnovAntennas 7-element LFA-HD Heavy Duty Yagi antenna is truly made to survive harsh weather conditions, with a rugged square aluminum tubing boom that is 2 in. (50mm) at the center, tapering to 1.77 in. (45mm) and 1.58 in. (40mm) at the ends, with each section a 0.078 in. (2mm) wall thickness. Tapered elements consist of oversized 0.63 inch (16mm) element centers and 0.51-inch (13mm) element end sections, both with 0.078 in. (2mm) wall thickness, the same as the boom. Fully insulated elements ensures continuous, high performance in all weather conditions for many years to come. The boom-to-mast bracket accommodates up to a 2-inch (50mm) mast and a Kevlar single-line truss support system is provided with this horizontal polarized 7-element LFA-HD Yagi antenna. A capable and accurate tower-mounted rotator is required. For the 6-meter enthusiast who wants to beat the noise, enjoy great gain and incredible front-to-back performance, all for a great price, THIS 7-element LFA-HD is one of the most exciting 50MHz Yagis on the market!
Not Yet Reviewed
$715.99
InnovAntennas FM Broadcast 88-108 MHz OP-DES Yagi Antennas
InnovAntennas FM Broadcast 88-108 MHz OP-DES Yagi Antennas are an exciting development for the fascinating hobby of long distance (DX) reception of free, over-the-air broadcast FM radio. The OP-DES Yagi directional antennas are specially designed for better gain, great front-to-back and patterns with fewer side lobes, to dramatically improve your reception experience by helping your tuner or receiver achieve a new level of performance. For FM DX enthusiasts who own great FM Tuners and Receivers, pulling in new distant stations at full quieting is thrilling. Capturing a weak station while rejecting an on-channel stronger station can be especially gratifying. Hearing distant fringe and local stations at full fidelity without noise is the ultimate goal for FM audiophiles as well as FM DXers. Even HD Radio enthusiasts can increase their channel count with full sound quality and fewer dropouts. One of the distinctive design features of the OP-DES Yagi Antennas is a low feedpoint impedance that allows either 50 ohm or 75 ohm coaxial cable to be connected directly to the driven element, eliminating the losses of a transformer balun. With several boom lengths available, for the FM enthusiast on a budget, for the casual listener with a treasured vintage receiver, and for the most discerning FM Tuner audiophile, best-ever reception is possible with an InnovAntenna FM Broadcast OP-DES Yagi. InnovAntennas FM Broadcast 88-108 MHz OP-DES Yagi Antennas are available as: IVA-18484-0108 Compact and Space-Saving 8 element, 6.5 ft. boom, 9 to 10 dBi gain, typ. 24 dB f/b IVA-18484-0145 Cost-Effective Performance 11 element 12 ft. boom, 9.8 to 12.6 dBi gain, typ. 25 dB f/b IVA-18484-0110 High Performance 14 element, 18 ft. trussed boom, 10-13 dBi gain, 20 to 42 dB f/b IVA-18484-0112 Ultimate Performance 18-element, 24 ft. trussed boom, 11-14 dBi gain, 20 to 44 dB f/b Choose the InnovAntennas FM Broadcast 88-108 MHz OP-DES Yagi Antenna that is right for you. Immerse yourself in a world of music, news and entertainment and discover a clarity and fidelity that you never heard before on your FM Tuner or Stereo Receiver.
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$299.99
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$569.99
InnovAntennas DXR Series Multi-Band HF Beams
InnovAntennas DXR Series Multi-Band HF Beams have short booms with full-size elements or capacity-loaded shortened elements, all with excellent performance, making them very popular internationally. The DXR Series interlaced-element antennas, optimized by G0KSC over a long period of time, achieve the best possible balance between compact size and performance. For the DXR Series Multi-band Yagis, equal attention was paid to a very solid construction and sufficiently small component and packaging size, to keep shipping costs within reasonable limits. Click on any model listed for specific details and specifications. InnovAntennas DXR Series Multi-Band HF Beams are available exclusively from DX Engineering in North America. Important features of InnovAntennas DXR Series Multi-Band HF Beams: * No traps, matching links, or hairpins * Only one feed line for all bands * Careful selection of materials without regard to cost * Very robust construction with still manageable package size The DXR Series beams use a 1.97 x 1.97 in. (50 x 50 mm) square boom with 0.078 in. (2 mm) wall thickness. A square boom has the advantage that the elements cannot twist in the plane. On the other hand, it is slightly heavier than a round boom of the same stiffness. The DXR Yagis do not require any bracing of the boom. The longest elements are 1.378 in. (35 mm) diameter in the middle and taper relatively quickly to achieve a good compromise between weight and strength. This construction also helps to avoid constant vibration even in light winds. With these multi-band Yagis, care has been taken to ensure that there are never more than the elements of three bands nested within each other. This is because each additional element for one band can cause interference on another band. This negative effect was avoided by careful manual optimization. The result is the best possible matching over a wider band range than other antenna designs. In most cases, no tuner is necessary; the SWR minimum can be precisely set by adjusting the element lengths. Due to the robust construction and the absence of moving or electrically active components such as coils, traps, hairpins, etc., an InnovAntennas DXR beam is maintenance-free for many years. The insulators are UV-resistant and designed for a wide temperature range. The mounting hardware uses sea-water resistant stainless steel and the aluminum is type T6 6066/6082, which is also used in aviation. It is nice not to have to climb the mast every year to maintain the antenna. The DXR Series Multiband beams are designed to require only one feed line. This makes installation on a mast with a rotor very easy. And the use of modern SDR transceivers, which allow the observation of several bands at the same time, becomes really useful. The one feed line is connected directly to the solid distribution rails of the fed elements. By avoiding baluns, matching elements, traps, or hairpins for tuning, transmit power is only limited by the coaxial cable and connectors. Note: Front-to-back ratio (F/B) and SWR bandwidth data for the DXR Series will be added as it becomes available. Many models of the DXR Series are available as a "super-compact" version, on which the longest elements have been shortened with capacity hats, thus reducing their turning radius considerably. The installation of these impressive antennas is possible even where space is limited.
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$1,439.99
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$2,097.99
InnovAntennas VertiGO HF Vertical Antennas
InnovAntennas VertiGO HF Vertical Antennas cover multiple bands when fed as a non-resonant radiator using a remote antenna tuner mounted at the base. They can also be fed directly as a monoband vertical and are typically and most easily installed as a ground-mounted vertical, depending on the location and the support. To achieve the matching required by modern transceivers and amplifiers, other shortened vertical radiators use traps or coils but, those components contribute to losses; power lost as heat. InnovAntennas VertiGO Antennas radiate on all bands along their entire length. Radials are required for efficient operation of any HF vertical; 16 or more ground radials are better, where their length isn't critical. A remote tuner installed at the base of the antenna provides maximum efficiency and the best performance on the bands indicated. Higher frequencies will tune but higher angle patterns will limit performance. A ferrite bead choke should be used at the remote tuner on the coaxial cable from the station to prevent it from radiating and collecting RF noise. VertiGO Vertical Antennas from InnovAntennas are available in three different height versions, each with rugged aluminum tubing sections, swaged and slit at the top for the element clamps. Brackets and clamps are included for mounting to a user supplied support pipe.
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$399.99
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$619.99
InnovAntennas DXC-240 2 Element Compact 40 Meter Yagi
InnovAntennas DXC-240 2-Element Compact 40 Meter Yagi features very good efficiency, a relatively small footprint and exceptional bandwidth. There are several methods to shorten a dipole or the elements of a beam, including loading coils and capacity hats. However, coils reduce efficiency if they are mounted too close to the middle of the Yagi and capacity hats can reduce the length by only a few percent. Through careful calculation and robust construction, InnovAntennas designer Justin Johnson, G0KSC, has managed to craft this two-element beam for 40 the meter band with a boom that is just under 23 ft. (7m) in length. The elements have a maximum length of 37.73 ft. (11.5m) and this beam achieves a 2:1 SWR bandwidth of 120 kHz without the use of an antenna tuner. The DXC-240 is a rugged, seriously heavy-duty 40 meter Yagi featuring a 2.362 in. (60mm) square boom with a wall thickness of 0.079 (2mm), making it very stable, even without truss ropes. The elements use 1.97 in. (50mm) diameter aluminum tubes in the middle, which quickly taper to 0.98 in (25mm) at the ends. The DXC-240 has a wind area of 13.5 sq. ft. (1.25 sq. m), weighs 110 lbs. (50 kg) and has a turning radius of 22.1 ft. (6.73 m). Solidly constructed, efficient loading coils are at the middle of each half element, exactly where they belong to minimize losses and maximize bandwidth! Additional efficient reduction of length is achieved with capacity hats at the ends of the elements. The result is a compact 2-Element Yagi for 40 m that can achieve gain of about 10.53 dBi at 65.6 ft. (20 m) above ground with a spec of 6.29 dBi free space gain and a typical front to back of 15 dB. Impedance matching with an adjustable hairpin that provides a 50 ohm feedpoint that does not negatively affect the usable bandwidth. Order the InnovAntennas DXC-240 2-Element Compact 40 Meter Yagi from DX Engineering. Enjoy an efficient and heavy-duty 40 meter 2-element beam that is so compact, it can be installed at many radio amateur's stations.
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$2,160.00
InnovAntennas LFA-WOS 6 Meter 7 Element Yagi
InnovAntennas LFA-WOS 6 Meter 7 Element Yagi has a particularly long boom that is designed for excellent front-to-back ratio. The maximum transmit power is 5 kW with SWR less than 1.1:1 in the range 50-50.45 MHz with average gain of 12.9 dBi. This antenna was specially designed for G3WOS, who was looking for a perfect antenna for 6m for his free standing mast. The relatively long boom provides good gain with excellent front/rear ratio, so this antenna is great for EME and "weak signal" DX. This antenna has very highly suppressed lobes in both azimuth and elevation plots and therefore is ideal for very noisy city locations. If you want to beat the noise in a mid-sized 6m antenna, this is the one for you! The G0KSC 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. This 7 element 50 MHz LFA2 is another exciting slant on the LFA design with both the last third of both the reflector and first director elements being bent towards the driver loop in order to enhance performance. Incredible levels of F/B have been achieved providing the ultimate in rear-end suppression. This antenna is made with tapered elements 16mm center and 13mm outer sections. The antenna has fully insulated elements which will ensure continuous, high performance for many years to come. Boom to mast brackets are included with all antennas which accommodate 2 inch (50mm) masts. Boom is 2 inch (50mm) aluminum in the center, tapering to 40mm with a 45mm section, all with 2mm booms. A boom guy system is provided with this antenna. Marine grade Stainless Steel Fittings Original Stauff Insulation clamps Mill finished boom and elements for highest levels of accuracy Note: Much development time has gone into our antennas, not just on basic electromagnetic design, we are able to model the effect of insulators, booms and other objects to ensure the components of our antennas have least effect on performance and pattern degradation. InnovAntennas LFA-WOS 6 Meter 7 Element Yagi Specifications: Avg. Gain: 12.90dBi @ 50.150MHz Avg. Front/Back: 30.74dB @ 50.150MHz Peak Gain: 12.96dBi Peak F/B: 33.75dB Power Rating: 5kw SWR: Below 1.1:1 from 50.00MHz to 50.450MHz Stacking Distance: 5.5 -7.5m (6.8m recommended) 2 Stacked Gain @ 6.8m spacing: 15.75dBi 2 Stacked F/B: 37.83dB 2 Stacked Gain @ 6.8m Spacing 10m above ground: 20.72dBi Boom Length: 9.5m Weight: 15Kg / 33LB Turning Radius: 4.974m / 16.3ft Wind Loading: 0.36 Square Meters / 3.93 Square feet Wind Survival: 176KPH / 110MPH
Not Yet Reviewed
$939.99
InnovAntennas DXE12-6 Heavy Duty HF+6M Yagi
InnovAntennas "DXE Twelve-Six" is a heavy-duty 12 element multi-band HF plus Yagi that covers the 20, 17, 15, 12, 10 and 6 meter bands with a single coax connection to match modern HF+6m transceivers. Excellent performance on each band is achieved by direct feed and no traps, coils or hairpins for class-leading radiating efficiency. This ruggedly built beam antenna is ready for harsh weather environments with aerospace grade T6 6066/6082 aluminum tubing, UV and temperature protected insulators and all stainless steel hardware. The stout, modest length 17.5 ft. (5.33m) boom is made of 2 inch (50mm) square tubing and perfectly interleaved rigid fast-taper elements easily shed the wind. Choose this HF beam for long-term reliability and power handling that exceeds most coax specs. With low SWR across all six bands, 20 through 6 meters, InnovAntennas DXE 12-6 is a great value that packs a punch.
Not Yet Reviewed
$1,860.00
InnovAntennas 144MHz 20 Element X-Pol LFA Low Noise High Performance Yagis
InnovAntennas 144MHz 20 Element X-Pol LFA Low Noise Yagis offer excellent performance in the 143.85 to 145.36 MHz This Loop Fed Array Yagi is a full-size beam with 19.02 foot boom, featuring 14.82 dBi of forward gain and a front to back specification of 39.1 dB. Designed by G0KSC, this LFA Yagi is a step forward in the design of yagi antennas, providing an ultra-low noise "front-end" for today's modern 144MHz radios. This rugged 20 element (10 horizontal and 10 vertical) features a 50-ohm feedpoint so there are no matching losses. The InnovAntennas 20-element X-Pol Yagi is built to withstand harsh weather conditions, with 1.5 x 1.5 in. (40x40mm) square aluminum tubing for the boom and .25 in. (6mm) aluminum tubing for the passive elements; the active elements are .5 in. (13mm) in diameter. Stainless Steel hardware is used throughout the antenna to ensure years of trouble-free service. The boom-to-mast bracket accommodates up to a 2-inch (50mm) mast. Specifications and Performance: Gain: 14.82 dBi Peak Gain: 14.82 dBi @ 144.3MHz F/B: 39.1 dB Peak F/B: 37.43 dB Max Power 10 kW SWR: Below 1.1:1 from 143.85MHz to 145.3MHz Boom Length: 19.02 ft. (5.8m) Turning Radius: 9.84 ft (3m) Wind Survival: 99.5 MPH (160 km/h) Weight: 14.33 lbs. (6.5kg) Wind Loading: 2.41 sq. ft. (0.22sqM) Stacking information: Vertical Stacking Spacing Distance: 3.1m for minimum under-lobes.
Not Yet Reviewed
$679.99
InnovAntennas 10M or 11M LFA-Q Loop-Fed Quad Beams
InnovAntennas 10M or 11M LFA-Q Loop-Fed Quad Beams from G0KSC represents significant development of LFA Yagis with a substantial difference: LFA-Q (Loop Fed Array Quad) Beams use top and bottom booms with through-boom LFA Yagi-style loops arranged vertically for every element. This very rugged design achieves better gain for a given length of boom and much lower noise for better signal quality compared to conventional Yagi antennas. InnovAntenna LFA-Q quad structure provides high directivity, eliminating unwanted spurious radiation. They achieve great side and rear rejection while retaining excellent gain, front-to-back and SWR bandwidth across the band. These are amazingly compact, high gain directional antennas, constructed to withstand serious weather conditions! Antennas of this series can be built and tuned to operate on a 500 kHz section of the 10 meter 28 MHz Amateur Band or on the 11 meter 27 MHz Citizens Band. The desired band is easily selected by changing the length of the outer element sections during construction – exact dimensions are provided in the instructions. The driven loop element feedpoint impedance is 50 ohms which allows a direct feed at high transmitting power. Vertical stacking of two or more antennas can significantly increase directivity, gain and signal quality; an interesting alternative when available space prevents the installation of long boom beam antennas. Just like other HF quads, LFA-Q vertical loop-fed quads are inherently quieter than a Yagi of the same size, making them a perfect choice for use in any location with high ambient noise level, such as a city or densely populated neighborhood. There is a 10M or 11M LFA-Q Loop-Fed Quad Beam version that matches your space, support, and wallet: - The 2-element economy version has loop spacing booms of only 2.3 ft. (70 cm); - The 3-element compact version booms are 10.5 ft. (3.2m) in length: - The 4-element performance model boom lengths are 26.9 ft. (8.2 m). Each LFA-Q is very stable mechanically, with mast clamps on each boom, top and bottom! Thanks to the use of high-quality materials, extensive modeling and testing, the durability and reliable performance of InnovAntennas 10M or 11M Loop-Fed Quad Beams is undeniable.
Not Yet Reviewed
$519.99
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$1,419.99
InnovAntennas 13 Element HF Log Periodic Dipole Arrays
InnovAntennas 13 Element HF Log Periodic Dipole Arrays provide super wideband, high performance from 10 to 54 MHz. InnovAntennas LPDA's are designed using the very latest computer optimization techniques such as Dense Element Log Periodic Dipole Array (DELPA). This type of antenna was designed with specifications for a broadcasting center. Example photos display the DELPA-13 installed at the broadcast center. If you are looking for the best of the best from both a performance and mechanical construction perspective, then look no further than InnovAntennas LPDA! You have come to the right place! The DELPA-13 has 13 elements placed above the 37.73 ft. (11.5 m) by 3 in. (76mm) square boom, from which all elements are insulated. The feed point is 200 ohm and includes a 20 kW 4:1 balun. Feed line between the elements is silver plated hard-drawn copper wire spaced to produce a 300 ohm balanced-line feed. The DELPA-13 provides excellent, consistent results for the frequency range it covers with a relatively limited number of elements. Some of InnovAntennas HF Log Periodic Dipole Array mechanical design benefits include: * Marine grade stainless steel hardware (wherever possible) * Integrated feed line/boom for maximum efficiency, minimum wind-load * Silver plated balanced line feed * Mill finished for highest levels of accuracy and performance Performance specifications of InnovAntennas 13 Element HF Log Periodic Dipole Array DELPA-13: * Typical forward gain: 6dBi * Typical F/B: 15dB * Gain at 33 ft. (10 m) above ground: 10dBi * Power rating: 15 kw+ (further limited by feedline and connectors) * Feed impedance: 50 Ohm * Boom length: 37.73 ft. (11.5 m) * Weight: 165.35 lbs. (75 kg) * Turning radius: 20.67 ft. (6.3 m) * Wind loading: Upon application * Wind survival: 100 mph (160 kph)
Not Yet Reviewed
$4,100.00
InnovAntennas Moxon Directional Antennas
InnovAntennas Moxon Directional Antennas are mono-band, two element directional antennas with the ends bent toward each other. The gap between the elements is bridged by a non-conductive rod to give the antenna stability. The result is a directional antenna that is compact and of a relatively simple design, providing directionality and a very good front-to-back ratio. Available in versions for 10/11 Meters, 12 Meters, 15 Meters, 17 Meters, and 20 Meters, these compact antennas are a solution when you require directionality and don't have a lot of room. The InnovAntennas Moxon antennas are rated for up to 7,000 Watts and range from eleven pounds to twenty-two pounds in weight, meaning a small tower or mast will be sufficient to hold the antenna and not much in the way of a rotator will be needed. The InnovAntennas Moxon Directional Antennas require no balun and present a balanced 50-ohm load to the radio, connection of the coax to the antenna is carried out by way of screw terminals on the antenna. The Antenna is rated to survive in 99 Mph winds.
Not Yet Reviewed
$399.99
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$783.99
InnovAntennas OP-DES Opposing Phase Driven Element System HF Yagis
InnovAntennas OP-DES Opposing Phase Driven Element System HF Yagis are a relatively new development by InnovAntennas. The ends of the driven element of these antennas are angled backwards, parallel to the boom. The opposing phase relationships in them achieves a very clean directional pattern with few side lobes. The resulting performance includes very good gain over a wide frequency range, along with a very good front-to-back ratio. These monoband beams antennas are available in a variety of boom lengths and element counts, to fit in with each operator's needs and their budget. Feature and Benefits of the InnovAntennas Monoband OP-DES Yagis: • Have bent driven elements to dramatically reduce side lobes and to help provide with constant performance characteristics • Super Wide Bandwidth - the broadest SWR, gain and f/b bandwidth of all our antennas, the OP-DES is best suited to HF applications where performance and a wide frequency range of low-SWR are needed in a single package. • High F/B ratio as with the LFA and OWL, the OP-DES Yagi has an exceptional Front to Back ratio for a direct-feed, 50Ω Yagi, which suppresses unwanted signals from behind your antenna! • Constant Impedance & 'All-Weather' Stability – Similar to the LFA and OWL, the OP-DES Yagi is able to maintain impedance in wet weather and therefore will not de-tune like other antennas can • 50-ohm Direct Feed - No Matching Loss - The OP-DES Yagi has been computer optimized with the 'bent' driven element in place to ensure a 50 ohm feed-point with no matching loss and minimal resistive loss • Class-Leading Direct Feed Yagi Performance - For a given boom length, the OP-DES Yagi provides superior all-round performance as compared to any other HF direct feed Yagi • Simple SWR Fine-Tuning Feature - No two locations for an antenna are the same. With this in mind the requirements of the perfectionist as well as the everyday user in our sights, the driven element of the OP-DES has adjustable end sections to allow for very simple SWR fine-tuning The most important part of your receiver - the antenna - has to be the best part. The antenna is considered the most important part of your station. After spending thousands on radio equipment, don't short-change the station by choosing anything less than the InnovAntennas OP-DES HF Yagi.
Not Yet Reviewed
$399.99
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$1,400.00
InnovAntennas 10M and 6M Yagi Antennas
InnovAntennas 10M and 6M Yagi Antennas are a new series of gain-optimized two-band beams designed with the latest software. They feature a single coax feed system, ideal for modern transceivers with HF plus 6 meters. Different versions of these 28 and 50 MHz Yagi beams are available to suit every station and budget, depending upon boom length and element counts. Interlaced elements allow short and medium-length boom versions that are perfect for stations with limited space, simpler supports and smaller rotators, while the long boom versions satisfy the top enthusiasts. Dedicated to the bands where propagation changes quickly, InnovAntennas 10M and 6M Yagi Antennas offer excellent performance and rugged reliability, to take advantage of every opening.
( 1 )
$535.99
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$1,066.00
InnovAntennas 50MHz 8-Element LFA-2 Low Noise High Performance Yagi
InnovAntennas 50MHz 8-Element LFA-2 Low Noise High Performance Yagi offers amazing pattern and performance for its price, for the critical 50.0 – 50.5 MHz weak signal section of the 6m band.. This Loop Fed Array needs extra space, with its very long 38.3 ft. boom, but it rewards the owner with stunning performance with amazingly low-noise, great forward gain and best front-to-back of all long boom 6M beams. The G0KSC LFA Yagi is a major step forward in the development of the Yagi Antenna, providing an ultra-low noise "front-end" for any advanced 50 MHz radio. This rugged 8 element second generation LFA beam is hard to beat with a direct-feed 50-ohm feedpoint, no matching losses and excellent rejection of unwanted signals and noise. It's very well suppressed side lobes in both H and E planes make this model ideal for very noisy city locations. For the 6-meter enthusiast who wants to beat the noise, enjoy great gain, maximum front-to-back performance, all for a great price, THIS is the 50MHz Yagi for you: InnovAntennas 50MHz 8-Element LFA-2 Low Noise High Performance Yagi.
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$865.99
InnovAntennas High HF Band Optimized Log Periodic Arrays
InnovAntennas High HF Band Optimized Log Periodic Arrays (BOLPA) are unique directional antennas that cover the high HF bands. Rather than sizing and distributing all elements to provide uniform performance everywhere, the BOLPA has been optimized to provide the highest performance within the Amateur Radio bands, resulting in exceptional performance across the entire covered bands. With a direct 50-ohm feed point, the overall front-to-back ratio and antenna gain is significantly improved compared to conventional 200-ohm LPDAs. Designer Justin Johnson, G0KSC, describes the BOLPA design in more detail in the "ARRL Antenna Book." If you want a high HF beam antenna that lasts and performs in all weather conditions, without SWR or bandwidth shifting, order one of the BOLPA listed here! BOLPA-4 The BOLPA-4 is brand new and offers the advantages of the BOLPA for those who have less space. The BOLPA-4 has a twin-boom length of 18 ft. (5.5 m) made of 1.25 in. square tubing, with only 4 elements, but fully covers the 15 meter band and the 24.8 – 30 MHz range, including the 12, 11 and 10 meters bands. Like all BOLPAs, the BOLPA-4 has a direct feed point impedance of 50 ohms and is a super heavy duty antenna that will survive wind speeds in excess of 100 mph (160km/h). SWR Sweep is 1.5:1 or under for the entire 9 MHz frequency range - No antenna tuner or matching is needed! BOLPA-3 The BOLPA-3 is manufactured on a much smaller boom and is therefore the logical choice for lightweight masts. The BOLPA-3 has an 11.5 ft. (3.5 m) twin-boom made of square 1.0 in, tubing and covers 24.8 MHz to 30 MHz without gaps, including the 12, 11 and 10 meters bands. So it is an excellent choice for those who want something for the upper HF bands for the current solar peak. SWR Sweep is well below 1.5:1 for the entire 6 MHz frequency range - No tuner or matching is needed! BOLPA-2 The BOLPA-2 is a very compact version of this antenna type with only a 7.9 ft. (2.4 m) boom and 2 elements. The BOLPA-2 covers the 11m and 10m band. Even on 12m the antenna can still be operated with a tuner and still has around 4.5 dBi on this band. If the space on the mast is limited, but 10m is a must, the BOLPA-2 is the right choice. SWR Sweep is 1.5:1 or under for the entire frequency range - No tuner or matching is needed!
Not Yet Reviewed
$489.99
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$1,194.99