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Diex Antennas Two-Band Trap Shortened Rigid Rotatable Dipoles
Diex Antennas Two-Band Trap Shortened Rigid Rotatable Dipoles offer high performance multi-band HF operations, and they are an excellent choice where there's not enough space for a full-size dipole or Yagi. Crafted with precision in Brazil using quality materials, these aluminum tubing antennas are designed to withstand tough environments assuring long-lasting, exceptional performance. They are packed partially assembled, saving valuable time and effort. Typically mounted on a rotating mast, these unique multi-band HF antennas provide high-band directionality depending upon installed height above ground. Given the nature of shortened low-band antennas with limited SWR bandwidth, these antennas feature the flexibility of physical adjustment to set the lowest SWR to a specific frequency. DIEX Antennas Two-Band Trap Shortened Rigid Rotatable Dipoles power handling is 1500W PEP SSB, which is further limited if using an antenna tuner. NOTE: Diex Antennas recommends that a directional HF antenna should be mounted on a tower at a minimum height of 33 to 50 ft. (10 - 15 meters) above ground level and must be installed in the clear, away from power lines, trees, buildings or other towers and antennas.
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$295.99
$236.79
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Hi-Z® Antennas Array Phase Combiner Units
Hi-Z® Antennas Array Phase Combiners are the relay unit at the center of a Hi-Z array, also known as a "phase controller." The sophisticated RF phasing and switching electronic devices have connections for the receive short element active vertical feedlines, delay lines, and the main feedline that goes to the station. Control cable connections to the phase combiner powers the array and steers the array pattern, and the station end connects to the directional control console.
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$325.00
$243.75
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EAntenna Single Band Dipole
The EAntenna EA60JR Dipole is designed as a mono-band antenna for 60 meter, which also functions on the 15 meter band. It has an overall length of 16 meters (52.5 ft.) when installed as an Inverted-V; and a bandwidth over 100 kHz of 60 meters and over 500 KHz on 15 meters with a minimum SWR of 1.1:1 at 5330 kHz when installed at 10 meters (33 ft.) above ground. Maximum power is 1.5 kW continuous. Adjust the EAntenna EA60JR Dipole antenna resonance by 50 kHz with a 5 cm (2 in.) cut on each end of the dipole. All our antennas are computer designed and optimized, based on NEC2 and NEC4 engine. Each model is tested for reliability before it is marketed, to ensure optimum antenna performance for each customer installation. Antennas are measured to the millimeter with precision equipment. Baluns are manufactured in aeronautical-grade 6082 T5 aluminum. The Amphenol SO-239 UHF female connector is manufactured with the best materials, including ceramic dielectric for high power handling. The dipole antennas feature the best HF wire available, Flex Weave, 2mm 2 (AWG 14), terminated to a polyamide insulator capable of use within the extreme temperature range (-90 degrees to +70 ° degrees C). EAntenna are hand-made by qualified personnel for a final product of extreme quality. The advantages of EAntenna dipoles are: * Broad bandwidth compared to other brands * Very flexible wire, excellent for permanent and portable operation without deterioration * Non-directional (like an inverted V) * Great for DX! All this makes the installed EAntenna, your final antenna. A description of assembly is available inside the package, and answers to questions are available before the purchase directly from the manufacturer by email (ea7jx@eantenna.es). Excellent after-sales service and timely assistance are offered by email, as well.
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$149.99
$112.49
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Mastrant Antenna Support and Guy Line Ropes
Mastrant Antenna Support and Guy Line Ropes are available in several sizes and strength ratings, perfect for support of wire antennas, vertical antennas and antenna masts, as well as support of Yagi booms and elements. Mastrant ropes are of the highest quality for strength and are UV-protected for extended longevity. MASTRANT-O is a highly reflective rope (bright orange plus braided reflective tape) based on long-term proven Polyester (Dacron) product line. It is designed for maximum visibility in public places such as Field Day and POTA activities. Like all Mastrant ropes, it is UV stable and resistant to all weather conditions. It has low weight, great abrasion resistance, great durability and is nonconductive (no effect whatsoever on your antenna). Moreover, in contrast to ropes made from aramid fibers (Kevlar, Vectran, Technora, Twaron), it has knot strength about 60 %. Mastrant-P and Mastrant-R Ropes are stronger than other synthetic ropes of the same size, made from proven modern polyester. Mastrant-Q is a new rope made from a blend of polyester and polypropylene, designed specifically for guying applications. It offers an excellent performance-to-price ratio and has a knot strength of approximately 60%. It replaces Mastrant-P in diameters of 6 mm (1/4 in.) and larger. Mastrant-S is a similar polyester/polypropylene rope, distinguished by its highly reflective strands for increased visibility. Mastrant-M is their highest strength rope with the Dyneema® DM20 core, a superior synthetic rope offering high performance at an affordable price. Very high strength, negligible elongation, very low weight, and great abrasion resistance are all attributes that make Mastrant-M the best rope for guying. Larger, stronger sizes of Mastrant-M are used in Europe and other parts of the world for tower guying. Durability and safety are of prime concern to ensure that an antenna installation remains fully operational for a long time. Antennas and guy lines are exposed to changing weather conditions, mechanical strain, UV radiation, humidity, and more. These non-conductive synthetic fibers have all the necessary qualities: high strength, negligible stretch but good flexibility, long life, low moisture collection, fast drying, a minimum bending radius adding the ability to tie knots, good UV radiation resistance, weather durability and resistance to acids and alkali. Conversely, steel guying wires are heavy, difficult to work with, and their strength deteriorates with time due to corrosion and general aging. Electrical conductivity of steel guys is an undesirable feature, as they interact with the antennas and adversely modify radiation patterns. Thanks to recent developments in synthetic materials, both amateur and professional users are changing over to non-conductive guys and ropes. Mastrant offers these products for a variety of applications, from thin support lines used for wire antennas and beams, to rope guys for supporting small and portable masts and vertical antennas. When you need quality rope to install, replace, or modify your antenna systems, consider Mastrant Antenna Support and Guy Line Ropes, now available from DX Engineering.
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$298.99
$239.19
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DX Engineering Boom Element Plates
DX Engineering Boom Element Plates are used to build long-boom monoband directional antennas for the standard bands, 20 through 6 meters. They are made from a very strong 3/8 in. thick insulating material, each predrilled for specific DX Engineering saddle clamps and sized dependent upon band and element type, driven or parasitic. They accommodate the mounting of aluminum antenna elements to a 3-inch boom for special beam antenna kits. This series of insulated plates have no hardware; they are component parts used in the DXE-EBB Element to Boom Bracket Kits which include one plate and the appropriate sizes and number of saddle clamps, depending upon band and element type. DX Engineering Antenna Element Tubing Kits, Element to Boom Bracket Kits, and Antenna Boom Tubing Kits are each sold separately.
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$125.99
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$139.99
$100.79
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$111.99
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4O3A A50 Antenna/Load Switches
4O3A A50 Antenna/Load Switches serve as 50-ohm loads for open ports on the HFC4500 combiner or other multiplexer, preventing tuning degradation. Applying 12V power connects the input to the combiner's output, linking it to the corresponding combiner or filter. A typical setup switches a filter or a combiner to a monoband antenna. When the A50 is not powered, the switch defaults to a 50-ohm termination for the input and the antenna output is open. NOTE: The A50 is NOT an A/B switch. The manufacturer's label of "A/B Switch" is a product grouping, NOT an indication of the function of this product. The LOAD resistor is internal, so one of three connectors is unnecessary, which leaves an open hole in the chassis, a "normal feature" of the A50.
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$181.99
$118.29
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Moonraker Whizz Loops
Moonraker Whizz Loops are compact QRP portable loops that are perfect for attaching directly to your ft-817 or other QRP transceiver. These nifty, small magnetic loops were designed to be an easy-to-use, instant portable HF antenna solution for stations not exceeding 10 watts in any mode. They attach to a SO-239 and become part of your transceiver. Loop tuning is easily achieved with their built-in tuning circuit. Available in three versions; order our part number MKR-13-427 to cover 20-6 meters, MKR-13-428 to cover 40 through 10 meters, or the MKR-13-429 to cover 40 through 6 meters. These loops are only 40cm in diameter; that's about 15.75 in. across! If you are seeking the tiniest and lightest QRP magnetic loops available, then take a look at one of these Moonraker Ltd Whizz Loops!
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$297.99
$149.00
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Larsen Mobile Antenna Mounts
Larsen Mobile Antenna Mounts are premium-quality antenna mounts. Larsen also has high performance trunk lip mounts. These mounts are a better solution than drilling holes in your car, especially when your car is leased! Manufactured of quality materials, their trunk lip mounts will last car after car. To assemble your own mount, Larsen offers their TMB Series mounting brackets. These are stainless steel brackets without cable or antenna base. They are perfect for assembling a custom installation. When you need a great antenna mount, trust Larsen Mobile Antenna Mounts from DX Engineering!
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$155.99
$109.19