160 Meter Random Wire Antenna

How to Build Several Easy Antennas for Amateur Radio. Lead the antenna wire through window and solder it to the center of plug. This is Hi-Power QRO 9:1 Balun / Unun. A Broadband 80/160 Meter Dipole An easy to build single wire antenna for 160 and 80 meters with a better than 2 to 1 swr across the 80 meter band. 160M Folded Counterpoise After I had established my antennas for many of the HF bands; dipole for 80-40M and Hex beam for 20-10M, I turned my attention to 160 meters. Windom Antenna 6 7. I use my random wire on 160, 80, 60, 40, and 30M where the built in KX3 tuner matches it very well. At least three “experts” tried computer modeling the antenna. See text for details. Most hams don't do this when they put up end-fed wires, so their antennas are more aptly named random-wire, end fed antennas. I use it on 40m as well. The W1SFR End Fed 35’ Random Wire Antenna with 9:1 UnUn What is a random wire antenna and how does it work? The term “random” infers that you can use any length of wire you want as an antenna, while that basic fact is true, there are some practical considerations. I then visited most of the big antenna internet sites that had modelled small loops. 3mm Enameled Magnet Winding Wire: Radio Antennas - Amazon. This calculator was adapted from the Coil-Shortened Dipole Antenna Calculator. This was another simple low-band DXpedition by George (AA7JV) and Tomi (HA7RY). The privacy fence also acts as an anchor for one of the legs of the Stealthy Delta. Acquired in 2014 by Alpha Antenna, the S9 Antennas have been completely improved and resigned. Connect any earth or counterpoise connection to the earth terminal using the wing nut. So having radials is not such a great idea. An L-network random wire tuner is probably the simplest matching network in existence, yet it does a good job as long as the antenna is at least a quarter wavelength at the lowest operating frequency. It is a homebrew skyloop HF ham radio 2. These are the materials we use for our 5/8 wave vertical antennas: 12. The left side red circle is drawn around the tower that holds my Sommer Yagi antenna, and also an 80 meter invered vee. a jumper wire must be installed between one of the balanced feed terminals and the single wire terminal. The random wire antenna is probably one of the least expensive, easiest and cheapest HF antennas to use if you have a tuner and you want to get the "most" out of a length of "random" wire without having to pull out that calculator, doing the math, getting the center insulator built or bought, running the feedline, and all the rest that goes with putting up a more elaborate antenna. I've actually used this kind of antenna. The privacy fence also acts as an anchor for one of the legs of the Stealthy Delta. My goal was to see if I could improve reception on the lower frequency amateur radio bands such as on 160 meters (1. Wire Antennas. This is the AM Station of N2AWA / January 14, 2008. Despite all the words and diagrams in handbooks over the years, newcomers still send me questions about the antenna. They are affected by height above the ground and surrounding objects. Add you loop wire of choice and your coax cable for rig connection, and enjoy DXIt consists of: Custom designed Air core transformer using 12g stranded wire. The Marconi radiator is resonant to any odd multiple of a quarter-wave length. As an example, a 28-31 foot wire will typically allow 40 thru 10 meter coverage and a 43-50 foot wire will provide access to 80 thru 10 meters. Swr on my meter is less then significant even with no tuner. Wrong Sprint but got a good signal report from him, so thought new antenna would play well on 160. While dipoles are very efficient antennas, they are not the only way to go. I have tried a lot of different antennas. Does anyone have a link to a website or an excellent design for a "random wire" that. Output from a BOG antenna is lower, so using a receive preamp with it is necessary. CONS: That much wire can be heavy, causing it to droop. Jerry Sevick and are hand wound with best available components to provide highest possible efficiency. by Gene Preston, K5GP I read Rick Littlefield's article in the June 2008 issue of QST on off center fed dipoles and was intrigued by the idea that the antenna could be extended to cover 80 meters. Antennas for 160 meters on a standard half acre (~100 x 200 ft) suburban house lot pose quite a problem. Flipping the Inverted "L" Antenna 'Back-to-Front' = Better Performance. Four variation of a random wire antenna with a length of 18. above head height). Conne ctors are SO-239. There are two popular ways of producing a multiband EFHW antenna. Half Delta Loop Antenna. Breaking strength is 200# and, unlike the vinyl jacket found on the vast majority of antenna wire, the polyethylene jacket is 100% UV stable, very tough and slippery – almost like Teflon ®. Building an amateur radio antenna for 160 meters is a challenge. This antenna should be considered experimental. Then realized his number ended with a "T". A commentary on switching from a jumble of random raised radials to K2AV's Folded CounterPoise(FCP). DX Engineering is your #1 source for wire antennas. 22 Different Wire Antennas. A Short vertical are possible but without a substantial tower it didn't seem to be an option for me. Long wire or random wire antennas are very simple antennas. 12 meters long and mounted 8-feet/2. Match dipoles, verticals, inverted vees, random wires, beams, mobile whips, SWL receiving antennas -- nearly any antenna. I will run the coax out the side of the house and burry it for about 20 feet. Ni4L Antennas & Electronics, Ham Radio Antenna, Amateur Radio Antennas, Shop with confidence, Amateur Radio, Homebrew Antennas, Inverted L 160/6 meter band HF. I have an AM 1 Mhz transmitter that I built. The skywire loop is an excellent antenna - they can be a bit of work to get up in the air if you have a lot of obstacles (trees, xyl, etc. The first wire I put up was probably about 60 or 62 feet long and my plan was to trim it incrementally in order to optimize SWR. I am just getting into radio, so bear with me. 5 TPI to make tapping easier and to keep the losses down, 11 turns were sufficient. These values assume that the antenna tuner is placed at the feed point of the antenna and that a suitable ground is provided. only weighs 6 oz. I just wished that an addition of a 160 meter element with some way of widening the 80 meter bands was possible as well as adding a 6 meter element. Buy an Icom AH-4 end fed tuner (auto coupler), attach your wire antenna wire to the hot end and run a short wire from ground side to a ground rod or counterpoise wire and enjoy. Inverted-Vee Antenna 10 15. I decided to make a trapped 80-160 meter vertical dipole with the feed point at 11 meters. Ni4L Antennas & Electronics, Ham Radio Antenna, Amateur Radio Antennas, Shop with confidence, Amateur Radio, Homebrew Antennas, Inverted L 160/6 meter band HF. Viewer Request - My home HF antenna solution, 160-10 on a small. We've never burned one up! You can select two coax antennas (directly or through tuner), balanced line/ random wire, or built-in dummy load. These antennas can be set up as a straight suspended wire or erected in inverted V format. Random Wire Antenna Lengths. An antenna tuner with a built in balun matches the feed-line impedance to the 50-Ω coax to your radio. ter than most hams have on 160 meters. It will match almost any random length of wire to any transmitter from 160 through 10 meters. The impedance of a long wire antenna varies as the frequency is changed, but the normally accepted values are from a few hundred to a few thousand ohms depending on length, height, ground conditions and. These are the materials we use for our 5/8 wave vertical antennas: 12. Erect the antenna in the desired configuration. Wire Antennas For Limited Space Jim Brown K9YC - 160 ft on 160M Feed A Random Wire From the End. Two Antenna Connectors (HF/50 MHz, 144/430 MHz) Optional FC-40 Automatic Antenna Tuner (for long wire antenna) is connectable; Optional ATAS-120A Active Tuning Antenna is connectable * Data FR mode (high speed data communication mode) is not supported, and transmission and reception of image data by C4FM digital is not possible. Place a 1:1 Balun on the Antenna end of the Feedline. At least three "experts" tried computer modeling the antenna. I've actually used this kind of antenna. Here are some answers. See the link below. I'm always fascinated by the "magic" 9/1 un-un for longwire antennas, also called "Magnetic Longwire Balun". The only (wire) antennas left are probably (trapped) dipoles and loop antennas. They should provide acceptable ground wave and sky wave propagation. Low Band DX Antennas •On 80 and 160M, it gets much tougher, but the Inverted L is a very good antenna and can even be used on 160 -30M with a tuner •Its easy to use a 43' vertical and use a couple wires to make it resonate on 80M •160M is the biggest challenge -on a small lot, its hardly ever "easy". But! Don’t forget the counterpoise! So it will be about 31,5 meter or 60-65 meter long. Tunes 160-10 more or less but not sure it’s doing much. random wire antenna tuner. Adding the 160 meter antenna proved to be a bit more difficult. As typically installed, it is a compromise antenna but great for portable use because it is easy to pack and easy to install. Lets get started! The G7FEK 10-80m Garden Antenna. Those who have used the antenna on 160 say the “GI Mystery” antenna is a quieter receiving aerial compared to other 160-meter antennas. I just helped a friend set an old hustler vertical 10-160 meter 28 foot vertical. To my surprise, it also works well on 160. I often wonder why anyone would buy such an antenna. 20 meters swr 1. I thought the 57 foot wire was my best option based on the space I had available. The following ramble is from someone who doesn't care about SWR or resonance when it comes down to full wave, multi band large loops. T2FD -- The Forgotten Antenna. It utilizes a 9:1 UNUN transformer in order to bring the impedance of the antenna to more manageable values for your antenna tuner. You can mount the wire at any height, but consider eight feet for safety. This line can. There are 72 ground radial and 8 elevated radials that can be seen. I also don't have a large area for a radial field. Always keep the non-resonant. Long wire antennas are typically horizontal antennas, fed at one end, and well over 1/2-wavelength long at the lowest operating frequency. Random-length loop antenna for 160-40? The plan would be to use it mostly for NVIS work on 160 through 40 meters, open wire line works great. The MW550P is an active preselector and antenna matching unit for AM broadcast and 160 m reception. The wire is 18 gauge speaker wire that I have cut to what I thought was the right length for 1/4 wave operation (246 feet). However, you can do much better. ANTENNA COUPLER The FC-107 antenna coupler is designed for low and medium power applications in the HF amateur bands from 160 through 10 meters. If you use a wire antenna and you do have a relatively poor RF counterpoise or ground system, you might look into at "artificial ground". I wrote an article on my 160 meter sloper trials and tribulations for the March/April 1995 issue of DX magazine if anyone wishes to see the frustrations I went through trying to get 160 meter slopers to work on 60-80' towers. 160 meters band antenna is a curation of 141 resources about , 160m Vertical, Vertical antenna for 160 meter, 160m DX Mobile Aerial, Hex-Shaped 160 Meter Receiving Loop, The K7TJR Array 160m antenna. Hopefully, this antenna can get you on 160 meters. Over the last 28 years I have tried many different 160 meter antennas. I used copper enamalled wire to bind the cable to the spacers. A single turn of insulated wire (wire size is not critical) is placed inside the hula hoop and this is resonated with C1 , a 365 pF broadcast variable capacitor for operation on 80 and 75 meters. 8 to 30 MHz, it will match virtually any transmitter to almost any mobile whip antenna. We will order it for you. Ground system consists of miles of barbed wire fence line plus a few perpendicular random length ground wires. I was thinking of trying a random wire antenna fed with a 9:1 unun. Here is how I managed to get pretty decent results with a homemade antenna. These values assume that the antenna tuner is placed at the feed point of the antenna and that a suitable ground is provided. My Inverted L is fed at the base with an legal limit autotuner coax with ferrite running to my transceiver and even there ferrite on the coax. 3mm Enameled Magnet Winding Wire: Radio Antennas - Amazon. All-Band Doublet L. I also enjoy the fact that uning the 40 meter wire to the desired frequency range a good thing too. They should provide acceptable ground wave and sky wave propagation. Metra Bt-hd01 2006-2013 Harley Davidson Add Bluetooth To Factory Radio Kit - $178. ) Note: RadioShack sells this antenna as a kit, catalog # 278-758, $9. No cheating over here, respect lads, respect! 160 meters - DXing on the Edge. If you have a well balanced antenna/feed line system, you're probably okay. 40-80-160 Multiband Short Dipole Antenna. The field strength on 7. They advised that other compact aerials - even mobile aerials - were a better choice if space stopped me from putting up a "bit of wire" in the sky. The antenna is based on work done by Guy (K2AV) and built by Steve Ellington. Let's see why and examine some advantages and pitfalls. 8 MHz, this would be ~1,093 feet. The elevated folded counterpoise is 66-feet/20. It ended up to be 86 feet because that was how far an available tree is from the house. If one were to forgo 160 meter (1. A so-called random wire antenna is an end fed antenna. My log books show the results!. Then make up as neat as you can 5x IN4148 diodes in series. The angle of the slope is usually between 45°–60° and the lower end of the wire is at least 1 ⁄ 6 wavelength above the electrical ground. My property lot does not allow for putting up a dipole for 160, so any antenna I try is going to be a compromise. Random Wire Antenna Lengths. Wire Antennas For Limited Space Jim Brown K9YC - 160 ft on 160M Feed A Random Wire From the End. KDØCA INVERTED L ANTENNA My low band Inverted "L" wire (a form of bent vertical) has about 12 radials buried under ground, and they are NOT resonant quarter wave radials, but this antenna works very well on 160 through 30 meters. Hopefully, this antenna can get you on 160 meters. The Top 5 Backyard Wire Antennas (in no order) by L. Random wire lengths for antennas. Every horizontal antenna is subject to essentially the same general phenomena that affect horizontal dipoles in terms of their height above ground. The Joystick antenna was used many years ago as an all band vertical HF antenna under restricted space situations that would cover from 80 meters thru 10 meters with a tuner and was a great commercial success! Some hams even had success with it on 160 meters. negative lead is grounded inside the tuner. 9 MHz Full-Wave Loop Antenna. The “Joystick Antenna” This antenna should be considered experimental. Efficiency is highest on 40, 20 and 10 meters where it operates as a Zepp, but all states have been worked on 80 meters, using less than 100 watts. The random length all band dipole represents some clear advantages in cost and operational flexibility within the limitations of the average Australian suburban block. All-Band Doublet L. Creating stealthy antennas that work on multiple bands is more difficult. A 9:1 Balun For Your End Fed Antenna End-Fed antennas do have their place in radio and other communications work. The W1SFR End Fed 35’ Random Wire Antenna with 9:1 UnUn What is a random wire antenna and how does it work? The term “random” infers that you can use any length of wire you want as an antenna, while that basic fact is true, there are some practical considerations. Palomar Engineers employs a dual core matching system that offers wide bandwidth (1-61 MHz), 500 watt PEP rating, and a connection for a counterpoise or ground if desired. Random-length loop antenna for 160-40? The plan would be to use it mostly for NVIS work on 160 through 40 meters, open wire line works great. Over the last 28 years I have used or have seen used every kind of wire used to make an antenna. Bob Holowenko and a pile of random wire, including a fence, make for a fun little antenna. Magnetic Loop Antennas for The Radio Operator with Limited Space pt. Years of perfecting the manufacturing process, length, and color has enabled Alpha Antenna to offer a spun fiberglass antenna mast that is so resilient & stealthy that it can be used as a 6-160 meter base. However if like me you’re faced with a small lot or perhaps in need of a stealth multi-band antenna or just want to get on 80 or 160 meters with something that works!. Write a Review. To do this, strap your feedline connections together and run as a single wire to the end-fed wire post on your tuner. In addition it is practical unusable for 160 m. 6-meter antenna connectors and the TUNER button activates either the built-in auto-matic antenna tuner or an optional random wire external tuner. 6-160 Meter J-Pole Jr 34 foot End Fed antenna A combination of antenna designs, namely the J‐Pole and Zepp along with Alpha Antenna's matching network technologies, are utilized to achieve a fairly Ham Radio Antenna Portable Battery Wire Headphones Cable Tape Measure Body Parts Ham Radio Cabo. Question is 'it' a Longwire {Random Wire} Antenna -or- Inverted "L" Antenna ? 11. However, you can do much better. A 39 foot insulated Poly-Stealth 18 gauge stranded wire antenna and #10 solder lug is included. I have looked through many resources and calculators to find out how long my AM radio receiver antenna wire needs to be and I am confused at the conflicting information I am getting. So a symmetrical antenna has to be the choice (so no verticals needing radials). Random Length Radiator Wire Antenna. Rubbing the wire between 2 sheets of 400 grit sandpaper before launching roughs up the teflon surface, stopping sun glint. Have you any further information about how layout a 160 meter two turn antenna which will be \”out doors\” and externally elevated?. I would like it to handle up to 75 watts (currently I use a Yaesu FT-817 at 5 watts). For me, it is all about making antennas. Amateur Wire Antennas : Hy Power Off Center Fed. It also requires maintenance since lots of things can happen to a stretch of wire that long (a 160 meter full-wavelength loop is almost 560 feet long!). 160 Meters each leg 126 ft. This calculator was adapted from the Coil-Shortened Dipole Antenna Calculator. The VE2DPE 160 Special!. Inverted “L” / Sloping Wire Configurations. 8 m) long for the 80-40m bands. DX Engineering is your #1 source for wire antennas. Portable End-Fed 160-10 Meters Dipole Antenna. EFLW-1K End Fed Long Wire Antenna. The Villages Amateur Radio Club 2015 Antenna Guide for The Villages February 19, 2015. Find many great new & used options and get the best deals for MFJ-16010 Random Wire Antenna Tuner, 200 Watts, 160 - 10 Meters at the best online prices at eBay! Free shipping for many products!. 0 MHz) and 40 meters (7. Typical antenna lengths for the amateur bands from 160 - 10m, both when using insulators or nylon rope, are shown in Table 3. This is Hi-Power QRO 9:1 Balun / Unun. This can successfully resonate a random length ground wire and make the station "see" an effective counterpoise. Good Vertical Antennas • A straight quarter-wave (Best) -λ/4 ~ 125 ft at 1830 kHz with THHN • Inverted L (Good) -Go straight up as high as you can with a wire, then bend the remaining wire to run horizontal to resonate it • Tee vertical (A bit better than L) -Like an inverted L, but the top is extended in opposite directions. In part one of this series, I covered the use of one brand of commercially available, small transmitting loop antennas, also known as ‘magnetic loops’. A Broadband Butterfly Terminated Dipole Antenna BBTD Inverted V optimized for the 1. I decided to build a 80 meter, half wave wire antenna that takes full advantage of the phone portion of the band known as 75 meters, also this antenna will not need a tuner. Swallow-Tail Antenna 5 5. 160-6m LONG WIRE AUTOMATIC ANTENNA TUNER. Random Length Radiator Wire Antenna 6 6. Not sure what it all is, but there are some very large capacitors in the box. The Balun on the end matches the 450 Ohm Open Wire Line into a 50 Ohm Coax Cable. There for if you can have only one HF antenna the random length all band dipole would be a pretty good choice. The problem occurs when the wire ends up being a half wave multiple on one of the bands you would like to operate on. Personally, I use a slightly different antenna system for shortwave listening, where the antenna is placed much further away from the house. A water table close to the surface, especially sea water is a very good ground base. Bob Holowenko and a pile of random wire, including a fence, make for a fun little antenna. Get 160-6 Meters Coverage and 1500 Watt Operation with a single antenna! This MFJ-2990 is a 43-foot self-supporting vertical antenna that covers 160 through 6 Meters with the use of an antenna tuner. Depending on the quality of the balun and the length of coax used, the G5RV could suffer significant losses on 75 meters (160 meters, forget it). For example:. I ran the antenna from a corner of the house to a friendly palm tree and I was on the air the internal tuner in my Yaesu 450D tuned 40 through 6 meters just fine, 1. ) but it is worth it. The formulas above are for typical wire dimensions. The feedline is made from the same 17 gauge aluminum electric fence wire as is the antenna. Yes, I understand that many people use this antenna and do just fine. To do this, strap your feedline connections together and run as a single wire to the end-fed wire post on your tuner. Conne ctors are SO-239. Despite all the words and diagrams in handbooks over the years, newcomers still send me questions about the antenna. Amateur Wire Antennas : Hy Power Off Center Fed. You can use coax cable, random wire or balanced lines. Years of perfecting the manufacturing process, length, and color has enabled Alpha Antenna to offer a spun fiberglass antenna mast that is so resilient & stealthy that it can be used as a 6-160 meter base. The AM-7152 also does some DC power conditioning. Inverted-Vee Antenna 10 15. Right from the first time I lit it up it work far better then I ever expected. The graph in Figure 7 has been produced with data generated from 4NEC2 antenna modelling software for an antenna wire of 18. I would like it to handle up to 75 watts (currently I use a Yaesu FT-817 at 5 watts). Common Mode Noise Filter) at the receiver end of the coax. R`s it is fed with 85 or so feet of LMR-400 coax. Multiband Wire HF antennas - Thoughts on the G5RV and similar designs. Random Length Radiator Wire Antenna 6 6. Someone else who built one and found it works gave it the name "non-resonant twin wire". Wound at 3. We offer a variety of multi-band and all-band dipoles that provide great receiving performance with low SWR. On 160 metres space limitations mean my antenna simply isn't high enough to have a reasonable pattern to work DX but that's not of concern to a tuner. Buy an Icom AH-4 end fed tuner (auto coupler), attach your wire antenna wire to the hot end and run a short wire from ground side to a ground rod or counterpoise wire and enjoy. The following tables show the recommended lengths to use for antenna wire based on the bands you wish to cover. Dimension "B" is the length of antenna wire called the base (width) of the antenna. The “Joystick Antenna” This antenna should be considered experimental. This line can. Our priorities were 160, 80 and 40 meters, in that order. 5m of wire for these tests) The 40 m-short 80m antenna was tested as a fairly low sloping inverted “L” as shown on the first page. EWE Antenna 9 12. A 9:1 Balun For Your End Fed Antenna End-Fed antennas do have their place in radio and other communications work. The tuning of this antenna was very straightforward; I simply tuned the main element for the center of the 40 meter band and then adjusted the 20 meter stub for the center of the 20 meter band. The wire antenna is connected to a 9:1 transformer that is grounded to a 2,5 meter (8 feet) long copper tube, driven into the ground. A 39 foot insulated Poly-Stealth 18 gauge stranded wire antenna and #10 solder lug is included. could have operated the antenna on 160 meters as well. The left side red circle is drawn around the tower that holds my Sommer Yagi antenna, and also an 80 meter invered vee. The VE2DPE 160 Special!. Like everything else, antennas come in many forms and flavors. I often wonder why anyone would buy such an antenna. Random Wire Antenna Lengths. Many people use what is referred to as a "random length" wire antenna for HF, quite effectively. about this long wire antenna, here are some good sites: VKYSF. The simplest multiband antenna is a random length of #12 or #14 wire. The antenna I am using is just a random wire antenna end fed. This was another simple low-band DXpedition by George (AA7JV) and Tomi (HA7RY). It is a #18 gauge stranded copperweld with a tough polyethylene jacket. 5 turn per 25mm) Number of turns depends on the length of the antenna. Breaking strength is 200# and, unlike the vinyl jacket found on the vast majority of antenna wire, the polyethylene jacket is 100% UV stable, very tough and slippery – almost like Teflon ®. Hello everyone. 2 = 33 feet. The antenna as fed, matches reasonably well into a 50 Ohm Coax Cable Feedline. This is an End Fed Long Wire wire antenna that will cover all bands from 160 to 6 meters, including the WARC Bands, as well as 60 meters and MARS frequencies. This is a special order item. Low Band DX Antennas •On 80 and 160M, it gets much tougher, but the Inverted L is a very good antenna and can even be used on 160 -30M with a tuner •Its easy to use a 43' vertical and use a couple wires to make it resonate on 80M •160M is the biggest challenge -on a small lot, its hardly ever "easy". Non-resonant antennas tuned using an ATU in the shack ideally need to be fed using open wire, which again is hard to conceal. The MFJ-934 combines a versatile antenna tuner with an artificial ground. We've never burned one up! You can select two coax antennas (directly or through tuner), balanced line/ random wire, or built-in dummy load. caution: remove for other fre- quencies on single wire. Homebrew 9:1 Unun for random length wire antennas. All of our products are made of top quality materials, and constructed to last in harsh environments. Random Length Radiator Wire Antenna. It tunes all bands (160 through 10 meters) with a SWR less than 1. The FC-40 is a microprocessor-controlled antenna impedance matching network designed to provide all-amateur-band transmitting capability with the FT-897/857 Series of transceivers, when used with an end-fed random wire or long whip. A picture of the whole tuner box (below) shows two antenna wires coming to the insulators on the tuning box, the one on the top is the tower shunt feed and the one on the bottom is the 65 foot random wire running across the yard at 15 foot height for 80 meter short skip within southern Calif. jpg Description: This is the antenna tuner box for a 160 meter wire vertical supported by the 105 foot 222 MHz tower. For best results, triangular loops should be supported apex-down. The tuning of this antenna was very straightforward; I simply tuned the main element for the center of the 40 meter band and then adjusted the 20 meter stub for the center of the 20 meter band. Tunes 160-10 more or less but not sure it’s doing much. See more ideas about Ham radio antenna, Ham radio and Ham. When I first considered the idea of converting this old ATV Coaxial Collinear to 1090 MHz, and saw how long the FG Radome was, I wondered if it was a bit too long. Puente † Technology and Intellectual Property Rights Department Fractus Barcelona, Spain A. Despite all the words and diagrams in handbooks over the years, newcomers still send me questions about the antenna. The antenna wire will be thin stranded copper 260 feet long. The transmitter may have an output RF power up to 200 watts. A commentary on switching from a jumble of random raised radials to K2AV's Folded CounterPoise(FCP). Plus, CQMaps is back in business. 5 TPI to make tapping easier and to keep the losses down, 11 turns were sufficient. It needs a ground plane with very good conductivity. A Short vertical are possible but without a substantial tower it didn't seem to be an option for me. DX Engineering is your #1 source for wire antennas. STAINLESS/ 80-6 METERS 150W PEP. Always keep the non-resonant. It needs no tuner on 40m, 20m and 10m. There's a hidden factor at work here too. Usually any wire length that is non resonant on the band or bands desired will work with the 4:1 ratio. My property lot does not allow for putting up a dipole for 160, so any antenna I try is going to be a compromise. I have an AM 1 Mhz transmitter that I built. Cut your half-wavelength antenna wire(s). It will match almost any random length of wire to any transmitter from 160 thru 10 meters. The elevated folded counterpoise is 66-feet/20. We will order it for you. Super Antenna Switch. So go for a 21 meter long antenna or if you have the space, go for a 43 meter long. Many hams still used a tuner with the G5RV. It will match almost any random length of wire to any transmitter from 160 through 10 meters. It will not (in its native form) successfully transfer power to anything else. Then connect one side of the meter to ground and the other side of the meter to a short wire (one or two feet long) that rests near the antenna wire from the transmitter. A signal level meter can be easily made from a DC microameter and a germanium diode. The antenna wire will be thin stranded copper 260 feet long. A so-called random wire antenna is an end fed antenna. Always keep the non-resonant. GENERAL INFORMATION The MFJ-16010 is a variable L-network designed to match the low output impedance of your transmitter to the high impedance of a random wire (or vice versa). A picture of the whole tuner box (below) shows two antenna wires coming to the insulators on the tuning box, the one on the top is the tower shunt feed and the one on the bottom is the 65 foot random wire running across the yard at 15 foot height for 80 meter short skip within southern Calif.