78 - Fan Dipole Antenna for 80m to 6m. I wanted to work the Stew Perry 160m CW contest last weekend, so I reinstalled a 160 meter inverted-L. Beware of this approach to an antenna ground. It seemed like I was getting some RF into the shack, and PC acted a little strangely at one time. Wound at 3.5 TPI ( 3.5 turn per 25mm) Number of turns depends on the length of the antenna. Due to the short length, this will probably continue as my only 160 meter antenna at this QTH. I tried a dipole, but it was just too much trouble. His material is always worth reading and digesting, and he is a recognized expert on EMI/RFI in the Ham Radio world. 80 - Inverted Delta Loop Antenna for 160m. The 160 meter band is not harmonically related to higher HF bands (except perhaps for the 60 meter band). I have about 30 feet of coax, and have a few ferrite beads on about 5 turns of the DXE-400MAX coax, just before it enters the house. 160 Meter Inverted “L” Antenna – Updated 12/30/2020, Loop-on-Ground, the simplest Receive-Antenna you will ever Build, and it Works. The other side of the antenna goes down from the feed point for about 8 meters. Share. 83 - Tri-Band Beam for 20m, 15m, 10m. Double Extended Zepp Antenna. Random Length Radiator Wire Antenna. Random Wire Antenna Lengths. Einfache Antennen für das 160-m-Band Rudolf Klos – DK7PE Das 160-m-Band stellt mit seinen physikalischen Besonderheiten und den Anforderungen an die Betriebstechnik des Operators wohl die größte Herausforderung unter den Kurzwellenbändern dar. Thanks for stopping by, please leave comments or questions if you have time. So this will be staying in my antenna collection. Off-Center-Fed Full-Wave Doublet Antenna. 79 - Wire Ground Plane Antenna. Follow edited Nov 25 '19 at 19:16. ZS6BKW (aka G0GSF), similar to the G5RV, but it actually resonates on 6 bands, and doesn’t rely on a.. £90.00 But it worked surprisingly well. Shorter than my 80 meter … HF 160 to 6 meter band with SO239 Connector9:1 Unbalanced to unbalanced current transformer ena.. £38.00 A … I also have a Loop-on-ground that I can use for Receive, with reduced noise levels. 1.9 MHz Full-Wave Loop Antenna. They can come close to half wave antennas in efficiency, although efficiency decreases as they are made very long or installed closer to earth. It worked well in it’s only test, and will be reconstructed. His material is always worth reading and digesting, and he is a recognized expert on EMI/RFI in the Ham Radio world. Feedpoint of Sloping Vertical. EZwire Multi-band Antenna. 77. 77 - Capacitance Loaded Vertical Antenna for 160m. 160M Loading Coil 7 µH. After a couple cuts, and measurements, I got the length down to about 127 feet total length. I only added two radials, and they are both very short, probably about 66 feet long. An end-fed 1/2-wave reflects its termination impedance back to its feedpoint. Watch later. 81 - Inverted-L for 160m. Long wire or random wire antennas are very simple antennas. rhombic or some other configuration. I had to bend the ends all around to fit my small lot. All you need for a random wire antenna is some wire… by TopbandHams.com. Improve this question. In … 160m Top Band End Fed Antenna -G3YEU Coil Details:- 5” (127mm) diameter using 16 SWG bare copper wire. It is found that for a quarter wavelength end fed wire, the maximum radiation is at right angles to the wire. Resources listed under Wire Antennas category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. Here is an SWR plot of the first attempt, with total length of 135 feet: As you can see, the SWR min is too low in frequency, which is to be expected, given the length. ZS6BKW (aka G0GSF), similar to the G5RV, but it actually resonates on 6 bands, and doesn’t rely on a.. £90.00 Ex Tax: £90.00 there are certain general principles that apply and some performance features that are common to all types. 1.9 MHz Full-Wave Loop Antenna. I keep hearing that an Inverted L is a decent antenna, but have never been fond of laying radial systems. It is important to use a counterpoise. 61 6 6 bronze badges $\endgroup$ 2 $\begingroup$ If you ask ten hams your question, … Half Delta Loop Antenna. The most straightforward way to install a dipole is as a horizontal antenna, although this is by no means the only way. I will try to add a few better radials, maybe.. Half Delta Loop Antenna. If the rods are at least 8 feet long … About 160 meters long wire antenna The resource is currently listed in dxzone.com in 2 categories. This gives a low impedance feed impedance and this matches nicely to 50 Ω feeder. This is a presentation by Jim Brown K9YC. It is also possible to have longer lengths - antennas with lengths that are odd multiple of half wavelengths long also provide a low impedan… End Fed HF Antenna Multiband Wire Installation / Setup - 10-160M. So far received 3 votes … When I started this project, I was still thinking about a “long antenna.” It turns out that this is now the shortest wire antenna (horizontally) that I have. 82 - 300ohm-Ribbon Dual Band Dipole. Like every antenna that exists, random or long wires … 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. Multi-wavelength long wire: A true long wire antenna is multiple wavelengths long. 40m - 80m - 160m … 22 Different Wire Antennas for 160m compilation by TopbandHams 22 Different Wire Antennas. I need to improve my EMI filtering on some of the lines entering the shack, to make sure I am choking common-mode RF in the 160 meter Band. This is made rfom 127ft of vertical wire, 6 127ft... 1000ft of 14ga AWG wire (7-strand) and some rope make one of the best performing antennas I've played with. We use cookie to improve your experience on our site. . Good Inductors Are Easy. Also the most common format is for a half wave dipole. Terminated Sloper Antenna. I have a need to get on 160m occasionally for a contest, but have limited space. for the 160 Meter Band. I may do some more pruning, but for now, this will work. If playback doesn't begin shortly, try … Change ), You are commenting using your Facebook account. Covers all bands, 160-10 Meters with antenna tuner. Double Extended Zepp Antenna. As the wire is lengthened, it is found that the radiation pattern becomes more complicated, but the maximum radiation, and hence also the pickup, aligns progressively with the line of the antenna. Random Length Radiator Wire Antenna. This was good enough for me to use it in the NAQP CW contest this weekend (which started 30 minutes before I completed this antenna), with my Antenna Tuner. Off-Center-Fed Full-Wave Doublet Antenna. 1.2 Required Space The space required for this antenna is 35m by 35m, or 1225 sq. An impedance transformer (64:1) to feed a high impedance, end fed (unbalanced) random&nbs.. £68.00 Here is the resulting SWR curve: I can definitely live with this for now. Delta Loop Antenna. Change ). Während Antennen für das 10-, 15- oder 20-m-Band noch ganz „handliche“ Ausmaße haben, kommen wir beim 160-m-Band in … The original (135-foot long) antenna worked quite well in the contest. This is a presentation by Jim Brown K9YC. 85 - Backpack J-Pole Antenna for 10m, 6m, 2m In this sloper, the shorter and more nearly vertical triangular fans of wire carry more current and radiate more on the higher frequency bands, 20 through 10 m. The longer fans carry more current and radiate more on the lower frequency bands, 40 through 160 m. However, it is important to understand that this antenna is a low-Q structure. The longer it becomes the more directive it becomes in the line of the antenna wire. ( Log Out /  I did tune it to cover more of the Band with low SWR. EZ-wire it´s a antenna with 16 meters* long. As typically installed, it is a compromise antenna but great for portable use because it is easy to pack and easy to install. Technically a true "longwire" needs to be at least one wavelength long, but Hams commonly call any end-fed wire a longwire or random wire antenna. Ex Tax: £68.00. 40m - 80m - 160m Short Dipole Antenna. Ex Tax: £39.00. This link is listed in our web site directory since Sunday Mar 22 2009, and till today "160 meters long wire antenna" has been followed for a total of 5023 times.. I used 3.5 TPI to make tapping easier and to keep the losses down, 11 … Delta Loop Antenna. Info. asked Nov 24 '19 at 21:06. 160 meter full wave loop antenna The antenna is a 10 - 160 meter horizontal loop fed with 450 ohm ladder line all the way into the ham shack to an Palstar AT1500BAL balanced line antenna tuner Trapped dipole for 40-80-160 meters Build a space efficient trapped dipole antenna for 40-80-160 meter bands using RG-58 and PVC pipe by W8NX HF 160 to 6 meter band with N Female Connector9:1 Unbalanced to unbalanced current transformer .. £39.00 In fact, all ¼-λ antennas fed against ground require a radial system if losses are to be kept low. Top Band Hams - 22 Different Wire Antennas for the 160 Meter Band. Tap to unmute. Ex Tax: £90.00. This 160 meter antenna is a "single band" antenna. Whether the long wire antenna is a single wire running in one direction or is formed into a 'v'. I have the vertical section about 40 feet long, and it is not exactly vertical but slopes from a tree to my balun about 3 feet above the ground. Ex Tax: £38.00. The formulas say to use a horizontal section of around 80-90 feet. Since the feed point is at the ground, it is simple to add or remove a little wire to get a good SWR curve. If you want the design details, just Search on it, or go to the ARRL Antenna Book or any of the many great reference Sites and books out there. for the 160 Meter Band. Usually ships within 6 to 10 days. A popular and effective antenna for 160 meters is the inverted L. It works well for local and DX communications if a ground-radial system is used with it. •Use NEC to model antenna and predict inductance required to resonate the the antenna – or: Use Vector Analyzer to measure feedpoint Z of an existing antenna that’s too short, export data to SimSmith and predict inductance. 84 - Mini-Horse Yagi Antenna. Only used 4 40′ radials, so I could have done better there. Half way in the air is an 80 meter trap. Here is one link, if you really want to dig into 160 meter antennas of all kinds. Pwr 600W, Max SWR 1:3 Ground Terminal Isolation paste Included EZwire works well on several configurations : Horizontal, Vertical, Sloper, L and Zig-Zag. End-Fed Wire Antenna 9:1 Non Resonant (5), 64:1 impedance transformer 1 Kw PEP with by pass, Traps for 80 / 160 meter band Dipole or inverted V tuned as a pair. Is there considered an ideal / optimum length for a doublet for use on 160-10 meters when fed with open-wire feedline and a balanced tuner in the shack? Change ), You are commenting using your Google account. I got the flat part up at about 40 feet. I did have one minor issue. If you have the room, I always hear that a full-wave loop is a great antenna for 160 meters. 10m -160m … Shorter than my 80 meter Broadband dipole, shorter than my ZS6BKW. Enter your email address to follow this blog and receive notifications of new posts by email. W4QA. Two days after I posted this, my 160 meter inverted “L” antenna was taken out in a storm. ( Log Out /  80/160 instructions followHam Radio Pair of Antenna Traps 80/160m Low Swr. Copy link. Shopping. In most contests, the activity seems to be in the lower portion of the Band. A couple of metal rods driven into the soil will not take the place of a radial system. performance that is very close to that of a full size vertical antenna on 160m – provided you have adequate space for proper installation of the top-hat wires and radial network. Share. I always start long with wire antennas, so I get to cut when tuning, and do not have to worry about adding wire. Roeam SWR Antenna Analyzer, AW07A HF/VHF/UHF 160M Impedance SWR Antenna Analyzer Meter for Ham Radio Hobbyists DIY. Here is one link, if you really want to dig into 160 meter antennas of all kinds. 2. The vertical antenna I have has less than 8 radials – that is just the way it is going to be. I began with a total length of 135 feet, with about 90 feet on the horizontal leg. One end goes straight into the rig, often with no feedline, and the other end in the air attached to something as high as you can find. 160 Meter Antennas 1/2 wave dipole(255 ‘@ 1.8 MHZ) 1/4 wave vertical(127.5’@ 1.8 mhz) 1/4 wave inverted "L"(50’ H x 74’ L @ 1.9 mhz) Helically wound vertical Loaded vertical or dipoles Capacitive end loading Inductive series loading Use a shortened monopole or dipole and have a heavy duty transmatch (tuner). That is just not going to happen on 160 at this location. 102 feet long, shorter than 80 Meter dipole. Optional radials / ground connections. 3.8 out of 5 stars. I will surely be using it again in the CQ 160 meter contest in January. Use on 160 Meters as Marconi with tuner and ground. After the contest, I will trim it, to get a larger portion of the Band within the 3:1 SWR range, as needed by most rig-internal tuners. When I started this project, I was still thinking about a “long antenna.” It turns out that this is now the shortest wire antenna (horizontally) that I have. With a wire hanging in the air, that impedance is "infinity." W4QA W4QA. After the trap there is about 10 meters of wire making one side of the antenna 30 meters long. Ex Tax: £42.00, © Copyright All Rights Reserved Wire Antennas UK ____Part of IWD & I.T.Services. A so-called random wire antenna is an end fed antenna. I mainly use it to work fellow PVRC Club members, late in HF Contests. $221. ft.). I won’t bother posting a graphic of this antenna, they are everywhere. ( Log Out /  Terminated Sloper Antenna. $221.77. The first of these is that the power gain of a long wire antenna as compared to a half wave dipole is not considerable until the antenna is really long … Full coverage of all HF bands from 160m to 10m. One side of the antenna (wire) goes up the 11 meter fiberglass pole and from the top towards the house. antenna-system antenna-tuner. The main category is Antenna for 160 meters band that is about 160 meters band antenna. Hope to see you there. Long Wire and Dipole Antenans for ham radio category is a curation of 179 web resources on , K0RWU Multiband dipole 6-17 meters, NorCal Doublet Antenna, High Performance Wire Antennas. Use as inverted vee or sloper to be more compact. You can find more about that antenna in other Posts on this Blog.

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