For temporary, or hidden, hf wire antennas i prefer thin, insulated wire. Amazingly strong for its size, very abrasion resistant and you have to go looking for it. Whether youre seeking a better solution to protect a substation, to wire new construction, or to design a subassembly, we will work with you to find the answer. As to tuning the electric fence wire, you could probably work something out, but the tuner is going to have to be right at the fence end to do any good, with a good 6 ground rod right at the end of the works. Sold by super antenna and ships from amazon fulfillment. Strong enough to guy the bigger towers, this copperweld cable can be used for an antenna, guywire or both. Any physicschemistry book and any engineering book on semiconductors will explain why. Flexweave our flexweave product family is a truly unique antenna wire for those applications requiring the utmost in flexibility.
High strength and conductivity make copperweld wire and strand a good choice for this application. It is strong and flexible enough to reel out of the plane at 600 mph and not break, even with s of pounds of its own weight tugging. Ho7 vk 4 is the european harmonisation code for this wire. Pn naf10864 copperweld antenna wire this antenna wire is steel core with 30% copper rolled on the exterior. When copperclad steel wire is used in place of copper, the grounding conductor is far less likely to be stolen.
Copperclad steel wire is an excellent solution for areas with high rates of copper theft as the amount of copper used in the bonding process is minimal6% to 10% depending on the conductivity. Your area may be different, but here, stranded wire is much more common than solid wire. The last solid wire i used was some electric fence wire. Wun twa this is the most incredible copperweld antenna wire weve ever seen. Long wires work much better for receiving signals than for transmitting. A few years in ne acid rain and it rots and unravels. Standard wire sizes are available here on our site. Super antenna ms5 superwire stealth bulk 5 feet wire. The results are interesting and give insight into appropriate conductor selection. Copperclad overhead ground wire strand offers strength of.
Should dipoles made with insulated wire be made shorter. Polystealth 18 awg antenna wire 75 ft polystealth 18 awg antenna wire 100 ft polystealth 18 awg antenna wire 125 ft polystealth 18 awg antenna wire 250 ft. Using copper wire as antenna during 40 50 years without any problems, is not giving a true answer of the problem, because you are. I am erecting my corner supports for a 160 meter full wave hohp loop. This pvcinsulated 14 awg stranded copper wire is comprised of 19 strands of 27 awg solid copper. The wire resistance was double the expected value, but the reason for that was a surprise. Solid core or stranded wire for dipole construction. As the frequency increases, the length of the antenna decreases and vice versa. Not easy to work with, loved to kink, and i finally gave most of the spool away. Ver2calwireantenna actuallyaver2callyorientated resonate12wavedipolewith theearthbeingthe return half duetopoorground conduc2vitya. Also available as a special order in sizes from 0 to 24 awg.
It turns out my intuition was right, the conductor loss was high. Copperclad wire and strand has been utilized and relied upon for years as a strong, nonrusting, efficient grounding conductor. Antenna support rope, 316 500, black, round, 100% dacron. Copperweld wire generally has a mind of its own, tangles easily, and can readily kink, which is why most amateurs use stranded copper wire. Copperweld copperclad steel wire and to model the effects of wire losses on antenna performance. This link is listed in our web site directory since sunday oct 29 2000, and till today wire antenna has been followed for a total of 82728 times. This is the most incredible copperweld antenna wire weve ever seen. The worst stuff ive used for antenna wire is stranded copperweld. Dont go with that bushwa that you have to use copperweld wire for the antenna wire and copper ground rod. Davis rf cw10 copper weldtm 10 gauge antenna wire features.
But if youve never done it, you probably have a few questions. I need a place to buy 18gauge copperweld antenna wire. This copperweld tm wire is the real thing, not a poorly plated imitation. Dx engineering copperweld antenna wire dxeantcw18100. Hence, the frequency and length are inversely proportional to each other. Also available as a special order in sizes from 0 to 24 awg call or email with your requirements. Strongest wire of the group, break strength 370 lbs. Copperweld this category is solid bare copperweld wires for long wire applications where the customer would like an economical solution but where strength is an important requirement of the design. The antenna that we loosely call the dipole is actually a 12wavelength centerfed resonant or nearly resonant dipole. A long wire is a good addition if a three or four position antenna switch is available. There are some people selling steel wire plated with copper for making wire antennas perhaps the most wellknown brand of this product, copperweld, makes at least two kinds of copperclad wire, copperclad steel ccs, and copperclad aluminum cca. Dx engineering premium antenna wire helps you achieve top performance and long, troublefree operation at a very reasonable cost. A new ham on the hamradiohelpgroup mailing list recently asked about what type of wire to use for building dipoles.
Dx engineering copperweld antenna wire stands the test of time. Strong and resilient, this wire is the experimenter and operators choice when the antenna will be subjected to the tugofwar between branches of trees and high wind and iceloading environments. Copperweld wire combines the strength of steel with the conductivity and corrosion resistance of copper. I dont use copper wire coated or otherwise it changes with temperature. Combining the strength of steel with the conductivity and corrosion resistance of copper, copperclad wire and strand provides a longlasting, low impedance path to the earth. Sorry to be so much trouble here but after calling aes and all my sources they just ask what is copperweld wire for antenns. It is composed of coppercladding that is permanently bonded to the central steel core of each wire.
Generally speaking, metal oxide is not a good conductor. By the way, never install a wire antenna with a kink or sharp bend in the wire because it will most likely eventually break at that point. The main category is wire antenans and dipoles, long wires that is about long wire and dipole antenans for ham radio. Genuine copperweld brand products are manufactured solely by copperweld bimetallics. These properties are achieved by permanently welding a thick copper covering to a steel core making copperweld wire. Davis rf cw12 copper weldtm 12 gauge antenna wire features.
Antenna tension spring adf antenna supplies, antenna wire. The hams use me included 14 gauge copperweld, stranded, uninsulated wire. Is copperclad steel a good material for wire antennas. Wire antenna software free antenna modeling software. Originally used on an aircraft as a trailing antenna, it came on a spool with over 28,000 feet, weighing in at over a ton. Building and construction data acquisition and signal conditioning electrical and electronics flow control and fluid transfer fluid power imaging and video equipment industrial and engineering software industrial computers and embedded systems lab equipment and scientific instruments manufacturing and process equipment material handling and. Seven strands of 12 awg copper plated steel, 38 diameter.
About wire antenna the resource is currently listed in in 2 categories. The wireman antenna wire the certified quality product is engineered as 14 awg antenna wire with 7 strands of copperclad steel 40m of polys18 copperclad steel antenna wire antenna wire. It works fine for tunerfed balanced or endfed antennas and will work on plainold dipoles with coax feed. For an antenna, you want the conductor resistance to be sufficiently below the radiation resistance of the.
It is stronger than regular electrical wire and can take more punishment. There was a lot of talk about what the guy should use, including copperweld, flexweave my favorite, and plain, old, 14ga. The best wire to use for an antenna is whatever you happen to have a lot, or enough of. These longwire antennas are the basic elements for the construction of vshaped antennas or the rhombic antennas. Jan 01, 2014 copperweld wire generally has a mind of its own, tangles easily, and can readily kink, which is why most amateurs use stranded copper wire. Personally, i use a slightly different antenna system for shortwave listening, where the antenna is placed much further away from the house. Analysis of thinwire structures in the presence of finite ground.
Vertical antenna for ham radio 40 meter band iw5edi. Antenna tension spring steel spring deflection unit with a deflection of 34 under applied load of 22 pounds. I can get the insulators on ebay but i dont need 10 of them only one. Copperweld 12 awg economical high strength antenna wire. The longer the wire, the better, even if there are several bends in the antenna. Dead soft annealed dsa copperclad steel wire is very flexible for easy preparation and. Will steel wire work as well as copper for antennas. Copperclad steel wire is a strong, nonrusting, efficient grounding conductor.
Wire antennas for the beginner every ham knows how to make and install wire antennas. Like 18 rope, this size easily fits through center and end insulator mounting holes and the break strength is much greater than 14 gage copper wire or 16 gage copper clad steel wire copperweld polyester is the best choice for antenna support rope or any outside application where strength, less stretch, uv and abrasion resistance is important. A hundred watts of rf into a 50 ohm antenna yeah antenna feed point impedance probably isnt exactly 50 ohms translates to approximately 1. Copperclad provides the same conductivity and corrosion resistance as copper while maintaining the high strength of steel. Also available as a special order in sizes from 0 to 24 awg call with your requirements. I need about 60ft or so, plus clear 3 glass antenna insulators. Pn naf297202 adf antenna supplies eyelet used to create a loop for antenna wire connections.
Py1bek vertical antenna for ham radio 40meter ham band 7 mhz this selfsupported vertical antenna was made with aluminum tubes of 3 m in length that have an external diameter of 32 mm and a wall thickness of 1. Galvanized steel wire will have a layer of zinc which may be thick enough to carry your rf current, or maybe not, you would have to know the plating thickness and do the math. Related items 14 awg flexweave bare tinned annealed copper strands ft. Two cinder blocks holds it, but the tension is really serious, im thinking itll just stretch the wire, crack the insulation and break and theres still some significant sag. Often, we mislabel multiband doublets as dipoles because the antenna is about 1 2wavelength at the lowest frequency of operation.
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