meters MHz feet meters MHz feet 160 1.8 546 20 14.0 70 80 3.6 273 17 18.1 54 75 3.9 252 15 21.0 47 60 5.37 183 12 24.95 39.5 40 7.0 140.5 10 28 35 30 10.1 97.5 Table 1 serves as a reminder of how long a wavelength is on each of the HF amateur bands. AEcreative 10-160 Meter Amateur ham HF Band Radio Wire Loop Antenna Balun Unun DIY kit T200-2 Type 2 Iron Powder ferrite toroid core 16AWG Enameled Magnet Winding Wire 3.9 out of … The "Best" Random Wire Antenna Lengths Random wire lengths you should and should not use! 160 meters band antenna category is a curation of 143 web resources on , 160m Vertical, The K7TJR Array 160m antenna, 160m Kite Vertical Antenna. Its a real peach on 40m. -Do matching AT the antenna -Install the best radial system you can afford -Do the matching at the base of the antenna -For high power & high SWR, may need to use relay switching -Matching on 160/80 meters is difficult -The mismatch may be too great for most manual/auto antenna tuners -VERY high RF voltages & currents . Once again the antenna was shipped and received with in a few days. (2) 2 product ratings - MLA 30 Loop Active Receive Antenna 100kHz ~30MHz For Short Wave Radio 2019 MW Updated 07-08-2013. Full Size Quad Loop 2. It is difficult to get a horizontal antenna (dipole) high enough to be an effective antenna on 160. PDF 16010 end fed ant 160-10 meters Works like a charm and it is only 15 ft off the ground. This is a junk bin special 160 meter antenna that i built just to test the concept last night. These values assume that the antenna tuner is placed at the feed point of the antenna and that a suitable ground is provided. Ib the best m now f HFDX g have found in decades of searching, studying, and testing. I had not had a good 160 meter antenna in decades, so when lightning turned a 120 foot tulip poplar into toothpicks and cleared a long strip in the woods between 100 foot trees, I strung up a 3⁄ 8 λ inverted L, up 90 feet and out 105 feet, over an FCP. You can get in idea from the picture down below showing the house and the antennas. Best to have 2 antennas to compare signals! no single omni will be the best in every location . Note that the SWR values in the above charts are at the antenna. Operating on 160 meters has always been a challenge. The Engineering Mind A 160 Meter Antenna for a ... southwest Australia – practically on the other side of the planet. This means that operation on the CW DX frequencies and DX Phone frequencies is within range of most radio internal tuners - no antenna changes are necessary. Good grounding was a constant problem, so an Inverted-V using both coils was eventually constructed. However, when I operated on the lowest ham band, 160 meters (1.8 to 2.0 MHz,) performance was sub-par, since the dipole was only 25 feet above the ground, and that’s just a fraction of a wavelength on 160 meters. Antennas for 160. This ‘HOA Buster’ antenna defeats the rules imposed upon amateur ham radio operators by using existing metal gutters as an antenna, and enables your tuner to achieve a near perfect match from 6-160 meters. The purpose of this article is to provide appropriate information to address these two challenges, along with general information about other issues necessary to get your feet wet on topband (also known as the Gentleman™s Band). Although it may not seem logical, for 160 through 10-meter operation, a dipole around 220 feet long may actually help antenna tuner and balun performance, especially on lower frequencies. Erecting effective 160m antenna on a small lot is a challenge. Getting back on the air researched several wires which would fit my garden, tried a home-brew Carolina Windom and hey presto its a gem on all bands but Top Band. Below are the reasons why it is top-rated at the moment: It covers 10, 15, 20, 40, and 75/80 meter bands with ease for not just transmitting but also receiving the signal. This 160 meter antenna is a "single band" antenna. Two of the biggest challenges are the physical size of efficient antennas and noise when receiving. Although the antenna is best operated within it s 2.0:1 VSWR bandwidth,it can sustain a 3.0:1 VSWR mismatch at full power for typical operating intervals. Jack, VE3EED - SK. Don’t know the maths or the theory, but this antenna works as well as a G5RV. Im happy period. This is because standing waves on the transmission line transform or change reactance and resistance presented to the balun and antenna tuner. I intended for this to be a 10 meter antenna, but it tunes easily on all bands, and I use it exclusively on 40-75-160, where it seems to do better than the high bands. The most surprising thing is how well this antenna works on 160 meters. That meant most of my signal was going up, not out. Used a G5RV for years then had a break of some 20 years. Because the loop is physically small compared to a full sized 160 meter antenna great care must be taken to decouple the feed-line from the antenna in the balanced versions of these antennas. I have several friends here in NC Kansas, Nebraska, Texas and Oklahoma and I was able to keep in touch with all of them during a recent trip to Springfield, Mo. down in a valley a 1/4 wave could be best since the higher TOA can put more signal/lobe up over the mountain/hill .. or if LOS/ground wave contacts are the priority . It's fed with 300 ohm twin lead from my MFJ-989c tuner. 160m Top Band End Fed Antenna -G3YEU As long as possible Up to a ¼ wave Ferrite Bead Choke Coil 5inch Diam 16SWG wire Wound 3.5 TPI Earth Rods 6'0" RG58 PL259 To Shack AMU and Transceiver G3YEU Installation 22Ft (6.7m) Fibreglass extension 12Ft (3.7m) 6 Ft (1.8m) insulation Radials Graphics by G8ODE 22 Jan 2009 iss 1.3 . And cheap. I put a common-mode choke at each end of the feedline. Shorter verticals are possible, but you have to be creative. He uses this antenna efficiently on several bands from 160 thru 20m, but he has three different matchboxes, one for Top Band, one for 80m and one for 40/30/20m. 160 Meters: 1. Fast & Free shipping on many items! I have two full sized 160 meter wire antennas that fit within a space of about 60 feet by 40 feet (my lot is 70 feet wide by 130 feet long and the front yard is about 30 percent of the 130 feet). It is flexible and serves the purpose perfectly. While it’s desirable for a vertical to be a full 1⁄ 4-wavelength high, on 160 meters that’s ≈130 feet and many times that’s not possible. if you're out in a clear open area or better yet on top of a hill a .825 - .875 WL could easily be the best . However, there are several easy things you can do with your present antenna to initially get on the best amateur radio band… 160. RF Voltage & Current-An electrically short antenna has … antennas. The 160 meter band is not harmonically related to higher HF bands (except perhaps for the 60 meter band). Latin America Probably doesn’t need listening antenna. I chose to use an outboard low-noise 160-meter preamp (KD9SV design, purchased from DX Engineering) that I have, but most modern radios also can provide the needed amplification. For a variety of reasons we may be restricted to much shorter verticals. The Hustler radio base antenna is a high performing antenna that can be mounted on the ground or the roof based on preferences. G3YEU Notes:-The first 6ft (1.8m) of 100ft (30.5m) end-fed is … Operating 160-meter NVIS. It's also able to tune 60 meters, and for the first time, I've made contacts on that band as well. It can be a condo dweller’s only access to the world of ham radio or the best alternative for a backpacking SOTA (Summits on the Air) mountaintop expedition. The lake is just behind the backyard fence and is in the western direction in respect to the house and my HF antennas tower. Some commercial G5RV antenna designs rely on the loss in a long coax feedline to bring their claimed SWR down in lieu of—or in addition to—an antenna tuner. Product Features Go to site; End Fed EFHW-8010P 80M-10M wire antenna: Go to amazon.com: Portable End-Fed 40-6 Meters Poly-Stealth Dipole Antenna : Go to amazon.com: MFJ-1778 G5RV Wire Antenna 80-10 Meters - Authorized Dealer: Go to amazon.com: Inverted L 160/6 Meter Band HF Poly-Stealth Antenna SWL Dipole Marconi: Go to amazon.com: … An early version of this type of HWV antenna for 160 meters was the "rubber duckie" antenna developed by Joe Moraski, KY3F, in the early 1990s.3 This antenna was constructed using two 10 foot sections of 4 inch PVC pipe joined, two lengths of 140 feet of #18 wire, and wound at 1 turn per inch over each 10 foot section and the wires connected at the center joint. 160-meter Loop-on-ground Antenna Results. This preamp was made for 160 meter … Generally the antenna looks capacitive as a common-mode structure, so inductive decoupling (i.e. Serious 160 M ops have a listening antenna focused on Europe: 45-60 Degrees. Great deals on 160 Meter Antenna. The 160-meter coil plus an 80-meter mobile antenna were placed at the far end opposite the feed point. a choke coil of coax) can actually increase the system problem. 500’ roll of wire on ground 3. Earlier experiments with the 160-meter coil consisted of an end-fed 37-foot rain gutter antenna. This is a permanent outdoor system that weathers well. This antenna works quite well no issues. Each matchbox is purpose-designed for use with "this" antenna. 160 Meter Verticals Few amateurs have room for full sized vertical antennas on 160 meters. The antenna is simple to deploy, folds up easily for transport, and weighs under a pound, yet, with the proper length of wire, can work the 80-10 meter bands easily with the built in antenna tuner of most current day transceivers. Resources listed under antenna category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. Listening antennas for Asia and Pacific Needed! Be prepared and able to communicate in case of emergency with the largest selection at eBay.com. The 160 meter band vertical antenna is tunable with an impressive 40 kHz bandwidth. Best end fed hf antenna. The first is a quarter-wave wire (130 feet long) that is fed in parallel with my HyGain HyTower that is located about 40 feet from the back alley. 5 Stars Portable End-Fed 160-10 Meters Dipole Antenna This is the 4th or 5th product that I have purchased 4 or 5 items from ni4l. The antenna described here is used by DF2BC who has limited yard space for antennas. The best results work when you have an antenna with a large vertical component. * Well, it will work on 60 meters, if you use a 76′ length of the 420 ohm window line; SWR is below 1.5:1. Fitting within my 70-ft horizontal and 33-ft height limits, above my very poor ground (σ = 0.0015 S/m, typical of Middlesex County, MA), this antenna kicks the butt of an equally high, full-size, half-wavelength, horizontal, broadside dipole on every band from 160 through 10 meters. Tuning for lowest SWR was accomplished using the cut-n-try method. This multiband vertical design provides 8 band coverage encompassing the 6, 10, 12, 15, 17, 20, 30 and 40 meter bands. If one were to forgo 160 meter (1.8-2 MHz) operation, an antenna with an electrical length of 74 feet should suffice and should be trimmed to give a quarter wave resonance at 3.31 MHz. Working 350 miles on 160 meters is no problem with 100 watts. Devote at least a year to test antenna before giving up on an antenna. The lake can be seen behind the house. If you want to try to use this antenna on other HF bands anyway, you will need to use a wide range antenna tuner to handle the unpredictably high VSWR values. 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