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15 Results Found For "in-line"
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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$13.99
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$1,187.99
SOTAbeams Open Wire Line Spacers
SOTAbeams Open Wire Line Spacers are light and strong, heavy duty insulators made with modern materials that make it easy to build your own very low-loss ladder line! Features of these Open Wire Spacers: • Made from a specially selected mix of ABS and PVC to give great strength coupled with good UV resistance and tolerance to a wide temperature range, -58 to +194 degrees F (-50C to +90C) • Unlike heavy ceramic insulators which tend to slip with time on vertical ladder lines, these spacers are lightweight, just 0.2 oz. (5.5g) • Wire clips in easily and spacers stay in place • Suitable for insulated or uninsulated wire 12 to 18 AWG (2.5mm-1.0mm diameter) • Line spacing 4.4 in. (110mm) Spacer length 4.6 in. (120mm) • Spaced to create a feedline with a nominal impedance of 600 ohms • Recommended distance between spreaders is 27 in. (70 cm) • Hole in the center for attachment to wall stand-off or building cage dipoles • Spacers can be used to build special folded dipoles Sold in packs of five (5), it is easy to order SOTAbeams Open Wire Line Spacers in North America from DX Engineering.
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$10.99
Mastrant Clamcleat® Guy Line Tensioning Reels
Mastrant Clamcleat® Guy Line Tensioning Reels are designed for quick and easy tensioning and releasing of guy lines on portable antennas and masts. These Tensioning Reels, featuring Clamcleat® technology are designed for 1/4 in. (6mm) diameter rope, and ensure your ropes are secure and stored.
Not Yet Reviewed
$29.99
Synthetic Textile Industries Antenna Support Rope
Synthetic Textile Industries Antenna Support Rope is the premium double-braided Dacron/polyester rope that Amateurs and SWLs have been using for years! Available in several sizes and spool lengths, these superior antenna support ropes are not weakened by decay or mildew and provide excellent resistance to abrasion. The color sealed black polyester yarn used in the braided jacket also protects the cord from damage due to ultra-violet light. Order some Antenna Support Rope today, so you will have it on hand for your next antenna project! This rope is perfect for supporting your wire and vertical antennas, but support rope should NOT be used for tower guying. For your tower guying needs, check out our Tower Guy Lines in the Tower Department here at www.DXEngineering.com
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$13.59
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$279.99
Alpha Delta Antenna Hardware Kits
Alpha Delta Antenna Hardware Kits contain one DELTA-C Center Insulator, antenna connection hardware, one model SEP arc-plug static electricity protector that is installed on the back of the DELTA-C, and two model DELTA-CIN End Insulators. These kits are a great way to build wire antennas! The antenna hardware is constructed using Alpha Delta's exclusive Model Delta-C Center Insulators and model CIN End Insulators. They're molded from Deltalloy, an extremely tough and durable plastic specifically blended to withstand sunlight and extreme weather conditions. An SO-239 connector is provided for a direct connection to the PL-259 on your coaxial cable. Or, a ladder-line balanced feedline may be connected directly to the dipole wire ends. If a balanced feedline is used with an antenna tuner in non-resonant applications, the SEP arc-plug must be removed to prevent the "false triggering" of the gas tube. The ALP-SEP arc-plug static electricity protector is a special gas tube component designed to bleed off slow-rising static electricity buildup generated by thunderstorms, high-wind driven snow, sand, or even a harmless looking cloudy day. These static charges have been measured to several thousand volts and can damage or destroy sensitive components in receivers' or transceivers' front-end circuitry. Note: When the "Documentation" tab is available, please look at the associated files for additional product information. For wire antenna kits with a little something extra, order Alpha Delta Antenna Hardware Kits from DX Engineering!
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$42.99
ICOM AH-710 Folded Dipole Antennas
ICOM AH-710 Folded Dipole Antennas get you on the air--fast! You can cover all amateur bands and operate with up to 150 watts with these ICOM pre-assembled, multi-band folded dipole antennas. Designed to work with any ICOM amateur HF transceivers, including their marine transceivers, the AH-710 antennas can be installed in flat top or inverted V configurations. The specs for ICOM AH-710 folded dipole antennas are: * Frequency range: 1.9 to 30 MHz * Power rating: 150 W * Input impedance: 50-ohm connection * VSWR: Less than 2:1 (1.9 to 18 MHz) Less than 2.5:1 (18 to 30 MHz) * Length: 24.5 m (80.4 ft.) * Coaxial feed line: 30 m (98.4 ft.) with PL-259s * Support Rope: 10 m (32.8 ft.) white Nylon * Auto-bonding Tape: 30 cm ( 1 ft.)
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$429.99
DX Engineering EZ-BUILD® UWA Center-T and End Insulator Kits
DX Engineering EZ-BUILD® UWA Center-T and End Insulator Kits are designed for building wire antennas for high-power operations. This model will mount to any DX Engineering Balun for a balanced and isolated wire antenna, or this insulator kit may be used directly with DX Engineering 300 Ohm Ladder Line for a non-resonant multi-band dipole. All EZ-BUILD® kits include our lightweight, high strength, UV-protected center-T and end insulators. They feature an exclusive serpentine wire grip for insulated DX Engineering antenna wire and our high strength, high power 300 ohm ladder (window) line. Threading the wire or window line through the center and end insulator openings in a serpentine manner creates a grip that is so strong, the wire ends do not need to be looped, wrapped, or soldered. EZ-BUILD® kits allow for fast and easy field adjustments! The DX Engineering EZ-BUILD® Center-T includes a centered top 3/8 in. hole for the attachment of an antenna support rope, and the End Insulators accept up to 5/16 in. antenna support rope. Our EZ-BUILD® kits simplify the construction of your wire antenna, with wire crimp terminals and stainless steel hardware. For a wire antenna, built with a DX Engineering Balun at the feed-point, the coax feedline may be secured with the optional DX Engineering Coax Strain Relief which features an aluminum bracket, neoprene-cushioned P-clamps, and stainless steel hardware. This method supports the feedline without subjecting the balun connector to the strain of the coaxial cable's weight or movement. DX Engineering EZ-BUILD® UWA Center-T and End Insulator Kits let you create any type of wire antennas, including single-band, multi-band, multi-frequency, folded dipole, doublet and inverted-V, off-center fed, Windom, Zepp, long wires, rhombic, V-beam, or loop antennas. EZ-BUILD® UWA Center-T may be used as a strain relief for our 300-ohm ladder line at the ground end or house end of the run, or as the strain relief on the feed end of a vertical wire or long wire antenna. Since soldering is not necessary when building an antenna with this kit, it is perfect for Field Day use, portable operations, or even for the weekend experimenter. However, it is certainly the best choice for your permanent wire antenna system. This UWA-KIT is for building a wire antenna with any DX Engineering Balun or 300 Ohm Ladder Line. Use the EZ-BUILD® UWA213-KIT for the construction of an RG-213 or RG-8U coax fed wire antenna without a balun, that will be operated at high power and high duty cycle modes of operation, such as AM, RTTY, or FM. The UWA8X-KIT will handle low and medium power levels and tolerate low SWR levels. DX Engineering EZ-BUILD® UWA Center-T and End Insulator Kits include: -- One center-T insulator featuring an exclusive no-loop, no-solder wire, multiple wire, or 300 ohm ladder line serpentine grip design, which allow for the rapid field adjustment of wire lengths; the center-T includes a centered top hole for attaching support ropes -- Two end insulators featuring the no-loop, no-solder, serpentine grip design -- Two stainless steel wire connection bolts, nuts, and washers. -- Six crimp ring terminals for antenna and ladder line wire connections -- Additional stainless steel hardware for mounting DX Engineering baluns DX Engineering baluns, antenna wire, 300 ohm ladder line, and support rope are sold separately. Only your imagination is the limit to the practical applications for which this useful insulator system may be used. It is made from a very strong UV resistant poly-resin plastic that can handle the weight of huge wire antennas, and a DX Engineering balun as well as the attached coaxial cables. Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information. So, keeping an inexpensive EZ-BUILD® DXE-UWA-KIT on hand for your next wire antenna project is a great idea!
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$30.49
DX Engineering Multi-Band Dipole Antennas
DX Engineering Multi-Band Dipole Antennas are designs that are rugged, yet lightweight. Using a tuner, they are usable to 30 MHz and come complete with the wire elements, ladder feedline, center T support, and end mount brackets. These antennas are built using the highest quality components. They use 14 AWG stranded-copper, PVC jacketed elements for flexibility and strength and 100 ft. of 18 AWG 300-ohm 0.88 Velocity Factor ladder lines that are UV-resistant. Stainless steel hardware is included. Often, a 4:1 balun is suggested for multi-band dipoles; however, the best balun to use for this application is a 1:1 ratio. The 1:1 baluns provide better balance, have lower loss, and are more tolerant to load impedance and balance variations than other baluns. A tuner balun is not included in the dipole antenna kits and is available separately. The dipole center T support has pre-drilled holes for the attachment of the wire elements, feedline, and support or messenger lines. The center support top hole is used for the attachment of a "messenger line" that can be strung above the antenna wire and is used to provide support for the antenna wire and feedline. The use of the messenger line, which is strongly recommended but not included, will reduce the stress on the element wires and keep the antenna from stretching over time, which will change its resonant frequency. This line can be thin Synthetic Textile rope available from DX Engineering, which has a high breaking strength. Ideally, it should attach to the same structure used for the dipole, only above it, forming at least a 30 degree angle between the dipole and the messenger line. For further information and to decide the amount of rope you will need, please read the included instructions and check your wire antenna area of construction. Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information. When you lack the room for more than one antenna or need a multiband antenna for band agility, consider one of these DX Engineering Multi-Band Dipole Antennas as an elegant and economical solution!
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$93.99
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$125.99
DX Engineering EZ-BUILD® UWA8X Center-T and End Insulator Kits
DX Engineering EZ-BUILD® UWA8X Center-T and End Insulator Kits are designed for building coax fed wire antennas that will be used in medium to low-power operations. These new universal wire antenna building kits include a completely unique coaxial cable connector and feedline strain relief system. All EZ-BUILD® kits also include our lightweight, high strength, UV-protected center-T and end insulators. They feature an exclusive serpentine wire grip for insulated DX Engineering antenna wire and our high strength, high power 300 ohm ladder line. Threading the wire or window line through the center and end insulator openings in a serpentine manner creates a grip that is so strong, the wire ends do not need to be looped, wrapped, or soldered. EZ-BUILD® kits allow for fast and easy field adjustments! The DX Engineering EZ-BUILD® Center-T includes a centered, top, 3/8 in. hole for the attachment of an antenna support rope, and the End Insulators accept up to 5/16 in. antenna support rope. Our EZ-BUILD® kits simplify the construction of your wire antenna, with wire crimp terminals, stainless steel hardware, and a pre-assembled coax pigtail with connector and adapter that accepts your feedline PL-259 (UHF male) connector. The feedline is secured with the exclusive DX Engineering Coax Strain Relief which features an aluminum bracket, neoprene-cushioned P-clamps, and stainless steel hardware. This method supports the feedline without subjecting the connectors to the strain of the coaxial cable's weight or movement. DX Engineering EZ-BUILD® UWA8X Center-T and End Insulator Kits let you create any type of wire antennas, including single-band, multi-band, multi-frequency, folded dipole, doublet and inverted-V, off-center fed, Windom, Zepp, long wires, rhombic, V-beam, or loop antennas. This UWA8X-KIT will handle low and medium power levels and tolerate low SWR levels. The UWA213-KIT is the model to use for the construction of a coax fed wire antenna that will be operated at moderate power and high duty cycle modes of operation, such as AM, RTTY, or FM. Use the EZ-BUILD® UWA-KIT for building a wire antenna with any DX Engineering Balun or 300 Ohm Ladder Line. DX Engineering EZ-BUILD® UWA8X Center-T and End Insulator Kits include: -- One center-T insulator featuring an exclusive no-loop, no-solder wire, multiple wire, or 300 ohm ladder line serpentine grip design, which allow for the rapid field adjustment of wire lengths; the center-T includes a centered top hole for attaching support ropes -- Two end insulators featuring the no-loop, no-solder, serpentine grip design -- Two stainless steel wire connection bolts, nuts, and washers -- Four crimp ring terminals for antenna and ladder line wire connections -- One pre-soldered, weather-sealed and tested coaxial connector and adapter assembly -- One aluminum cable strain relief bracket and mounting hardware -- Two strain relief P-clamps with neoprene cushions sized to grip RG-8X without crushing the coaxial cable -- Additional stainless steel hardware for mounting DX Engineering baluns Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information. DX Engineering baluns, antenna wire, 300 ohm ladder line, and support rope are sold separately.
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$83.99
EAntenna Sloper Antennas
The EAntenna Slopers are shortened with a coil to reduce the antenna length, but behave like quarter-wave sloper antennas. Like any Sloper antenna, it is directional with a low angle for excellent long range DX results. Directivity is away from the supporting metal mast or tower, toward the lower end of the sloper. If a non-metallic vertical support is used for the sloper, an additional vertical wire counterpoise is required. The antenna wire is 2mm (approx. 12 AWG) with UV-resistant insulation for durability. This antenna does not include a balun, but use with a feedline choke, line isolator, or coax bead choke is recommended to achieve the desired results. These antennas are rated for 2 kW CW. The EAntenna EASLP160S achieves a considerable 2:1 SWR bandwidth of 75 kHz. The EAntenna EASLP80S achieves a respectable 2:1 SWR bandwidth of 210 kHz. The assembly and deployment of this antenna is simple. The feedpoint of the antenna is attached to the mast or tower at the minimum height listed below, or higher, if possible, for better results. If supported by a tree, this antenna requires a grounded vertical wire counterpoise, in addition to the coax feedline. With antenna support rope, extend the insulated end to a support a minimum of 10 ft. above the ground. This antenna is preset to the bottom of the band. Adjust to higher frequencies within the band with 5 cm (2 in.) cuts for gradual changes while using an antenna analyzer. In just 5 minutes you can prune the antenna to cover the desired portion of the band. Physical Characteristics of the EAntenna Slopers: * EASLP160 Total Length: 17.7m (58.0 ft.); Minimum Height: 12.7m (41.6 ft.) * EASLP80 Total Length: 11.0m (36.0 ft.); Minimum Height: 8.0m (26.2 ft.)
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$122.99
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$161.99
DX Engineering EZ-BUILD® UWA213 Center-T and End Insulator Kits
DX Engineering EZ-BUILD® UWA213 Center-T and End Insulator Kits are designed for building coax fed wire antennas that will be used in high power operations. These new universal wire antenna kits include a completely unique coaxial cable connector and feedline strain relief system. All EZ-BUILD® kits also include our lightweight, high strength, UV-protected center-T and end insulators. They feature an exclusive serpentine wire grip for insulated DX Engineering antenna wire and our high strength, high power 300 ohm ladder (window) line. Threading the wire or window line through the center and end insulator openings in a serpentine manner creates a grip that is so strong, the wire ends do not need to be looped, wrapped, or soldered. EZ-BUILD® kits allow for fast and easy field adjustments of antenna wire length without soldering! The DX Engineering EZ-BUILD® Center-T includes a centered top 3/8 in. hole for the attachment of an antenna support rope, and the End Insulators accept up to 5/16 in. antenna support rope. Our EZ-BUILD® kits simplify the construction of your wire antenna, with wire crimp terminals, stainless steel hardware, and a pre-assembled coax pigtail with connector and adapter that accepts your feedline PL-259 (UHF male) connector. The feedline is secured with the exclusive DX Engineering Coax Strain Relief which features an aluminum bracket, neoprene-cushioned P-clamps, and stainless steel hardware. This method supports the feedline without subjecting the connectors to the strain of the coaxial cable's weight or movement. DX Engineering EZ-BUILD® UWA213 Center-T and End Insulator Kits let you create any type of wire antennas, including single-band, multi-band, multi-frequency, folded dipole, doublet and inverted-V, off-center fed, Windom, Zepp, long wires, rhombic, V Beam, or loop antennas. This UWA213-KIT is the model to use for the construction of an RG-213 or RG-8U coax fed wire antenna that will be operated at high power and high duty cycle modes of operation, such as AM, RTTY, or FM. The UWA8X-KIT will handle low and medium power levels and tolerate low SWR levels. Use the EZ-BUILD® UWA-KIT for building a wire antenna with any DX Engineering Balun or 300 Ohm Ladder Line. DX Engineering EZ-BUILD™ UWA213 Center-T and End Insulator Kits include: -- One center-T insulator featuring an exclusive no-loop, no-solder wire, multiple wire, or 300 ohm ladder line serpentine grip design, which allow for the rapid field adjustment of wire lengths; the center-T includes a centered top hole for attaching support ropes -- Two end insulators featuring the no-loop, no-solder, serpentine grip design -- Two stainless steel wire connection bolts, nuts, and washers. -- Four crimp ring terminals for antenna and ladder line wire connections -- One pre-soldered, weather-sealed and tested coaxial connector and adapter assembly -- One aluminum cable strain relief bracket and mounting hardware -- Two strain relief P-clamps with neoprene cushions sized to grip RG-213 or RG-8U without crushing the coaxial cable -- Additional stainless steel hardware for mounting DX Engineering baluns Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information. DX Engineering baluns, antenna wire, 300 ohm ladder line, and support rope are all sold separately.
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$85.99
Alpha Delta Parallel SWL Dipole Antennas
Alpha Delta Parallel SWL Dipole Antennas cover AM broadcast through 30 MHz. They provide efficient, low-noise, broadband performance for medium wave, tropical, international SW, military, government, embassy, maritime, aircraft, commercial, and utility frequencies. They feature ISO-RES inductors, parallel wire elements, and the exclusive DELTA-C center insulator with the built-in ARC-PLUG static electricity protector. The antennas utilize stainless steel hardware and 12-gauge solid copper wires. Their overall length is 80 ft. and they may be installed as dipole, inverted-vee, or full sloper antennas. These antennas can also be used with an antenna tuner as transmit antennas. Their connectors will accept either coaxial cable or balanced line and the antennas come fully assembled and ready for installation.
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$209.99
DX Engineering Wire Antenna End Insulators
DX Engineering Wire Antenna End Insulators are so unique that they are patented. They feature a unique serpentine wire grip for DX Engineering's insulated antenna wires and for our high-strength, high-power 300 ohm ladder line when used as a folded dipole. The serpentine wire grip and loop method is strong enough to support the antenna wires with no soldering of the wire required. This allows for fast and easy field adjustments of antenna length! The DXE-UWA-END-KIT includes eight of these unique insulators, which make them ideal add-on package to create multiple wire fan dipoles from a single UWA-KIT. Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information. Many hams enjoy building, testing and experimenting with wire antennas. Make your own experimentation easier with DX Engineering Wire Antenna End Insulators!
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$13.99
DX Engineering Glass Antenna Insulators
Sometimes the oldest stuff turns out to be the best. Our exclusive DX Engineering Glass Antenna Insulators hearken back to the earliest years of "wireless" transmissions. Because Irish ship builders of the day pronounced "double" as "dooble," these insulators were once known as "glass doobies" due to their tempered-glass material and double-ended form. Glass insulators offer the highest of electrical insulation properties, strength and resilience available in any insulator of its size. There will be no signal bleed off with these little glass wonders! DX Engineering's DXE-TGI-2 end insulators are 3.69 in. long with 1.125 in. diameter double ends. Each smoothed and rounded end has a 5/16 in. (0.3125 in.) hole that will accommodate many wire and rope sizes without chafing. Their tensile strength and resistance to arcing will withstand almost any wire-antenna use within the Amateur Radio service, domestic or abroad. Since these are end insulators, they are sold as a pair. These are not toy-like models or replica insulators; these are fully functional, high strength glass insulators with excellent RF properties! But, that is not to say that they aren't gorgeous and worthy of showing off! They certainly are perfect for display as a radio room decoration or as a living area conversation piece. Very smooth and pleasing to the touch, these are attractive glass insulators that make a fantastic gift for the ham who thought he had everything! Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information. In this instance, some interesting information on "Glass Doobies." Bring back a bit of the essence of the Amateur Radio of yesteryear in your wire antenna construction. These glass insulators are actually quite striking in their appearance. Order DX Engineering Glass Antenna Insulators and gain the benefits of using a material that has provided the best wire-antenna insulation for more than a century!
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$15.99
Par EndFedz® Antennas
Par EndFedz® Antennas are End Fed Half Wave (EFHW) antennas with the match box coax connection at the end of the wire, for convenient and quick stealth portable operations. These single-band and multi-band antennas can be mounted horizontally, vertically, or as a sloper. No ground plane or counterpoise is needed so portable operation could not be easier. Simply hang the far end from a tree limb or send the wire out a hotel room window or balcony. You can use a telescoping fiberglass mast to get the antenna really high in the air and the supplied end insulators the installation easy. Stealth operation in CC&R and HOA antenna restricted locations is simplified. Their all-black construction makes them difficult to see. Each Par EndFedz® features a UV-resistant black ABS plastic housing with a support rope attachment hole that encloses a matching network to allow the antenna to be fed with standard 50 ohm coaxial cable with a PL-259 (UHF male). All hardware is stainless steel and the SO-239 (UHF female) connector is silver plated and has a PTFE dielectric. The antenna wires are either 18 or 26 AWG stranded Copperweld® with 200 pound breaking strength and a tough, 100% UV stable black polyethylene jacket. One end of the antenna wire has a #10 solder lug making attachment to the matching network feedpoint simple and easily replaceable, if necessary. Standard single and multi-band versions handle 100 or 200 watts and higher power versions handle 300 watts. Lightweight QRP PolyStealth models handle 25 watts and are ideal for portable operation because they are lightweight; the MKII model weighs only 8 ounces and the Trail Friendly model weighs only 3.5 oz. Par EndFedz® Antennas require no counterpoise or extra conductors. The EF-ALLBAND-KW model, about 133 ft. in length, covers eight bands, 80 through 10 meters. The ALLBANDKWJR is 74 ft. in length and operates on five bands, 80-10 meters. The 64 ft. EF-40-10-KW operates on four bands. All three models handle up to 1000 watts SSB/CW and 250 watts AM/Digital Modes. The need for an external tuner may vary based on the antenna model selected and the desired operating band. The manufacturer refers to these antennas as "End-Fed Dipoles" based upon the assertion that a "half-wave radiator is a dipole." This is a variant of the classic definition of a dipole which is a center-fed antenna with two radiating legs running in opposite directions from the feed point. Additional claims about the EFHW state that end feeding a half-wave "can energize the radiator 'nearly' as well as a center-fed." Recent anecdotal measurements indicate that the EFHW radiates about 70% as well as a traditional center-fed dipole. More information is available at each Par EndFedz® model listed below. Order yours from DX Engineering.
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$189.95