80m End Fed Antenna

In several years or running a short, openwire fed vertical dipole (6m per leg), I have determined that this antenna (in its vertical form) was on par with my full size 80m horizontal dipole at 40 ft. Narooma - End Fed Wire. 89 m N/A 2 5. This antenna is the bees knees in wire antennas all fittings are in stainless steel and the wire is Kevlar wire strong and none stretch. 66) end support. By varying the length of the 450 ohm ladder-line feeding the antenna, we can achieve an SWR of less than 2:1 on all frequencies on all HF bands with the exception of the lowest part of 80m. End Fed 80 - 10 meters HF Multi Band EFHW 100 watts 49:1 transformer. Unlike many END FED antennas on the market, this one does not require the Antenna Tuner to operate. For the 80m-band accordingly at Lambda 1/4 a wire length of 20,8m (68. The design layout shown in this photo shows the tuner components connected to a resistive load and the antenna analyser to give the desired results. The End Fed Half Antenna is the simplest and least expensive antenna to use for a shortwave antenna and will have excellent performance. 2 mm 7 strand stainless steel 20. 800 Mhz (can be scaled for lower frequency) Wire, Length , Included Angle 1 11. The antenna is 130ft long, 39. Wire Antennas are sometimes maligned when it comes to their use for as base or portable. Alpha Antenna 10-80M. Half wave antenna for 160m, VK5ZVS: Inverted-L for 80m & 160m, ON7EQ: Lifted antennas kite for amateur Radio 160 Meters: Link Coupled Tuner 160-20 m, WW8J: Linear Loaded Wire Antennas, W8DCQ: Loop Antenna Info, WH2T: Multibander sloper, W1HIS: Polarized antenna the Linear loaded: The end-fed wire, G4NSJ: COMMERCIAL: Lannabo antennas are. Phase three was putting up a second loop; a dedicated 80m antenna. It might seem that an "end-fed" is a monopole antenna: there is no explicit "counterpoise" in most end-fed designs. FOR SALE! HFedz 10m-80m End Fed Half Wave (49:1 EFHW) HF HAM Radio Antenna. The wire itself consists of 168 strands of #36 gauge woven copper. In this context, we also tend to call any end-fed antenna a Zepp (although there is a center-fed extended double Zepp) and to refer to any off-center-fed antenna as a Windom (although. Traditionally this antenna is fed with a 600 ohm feed. End fed 7 band wire antenna for 80m, 40, (20m, 17m) 15m, 12m, 10m. I will say that 80M and 15M are my worst bands on the ZS6BKW multi band antenna coming in at about 5:1 SWR before using the tuner. Testing the Myantennas. Home / HF Base / 6-80 meter J-Pole Jr 34 foot end fed HF antenna. HF End Fed Antenna 1500W 160-10m /Ham Antenna with 9:1 dual core UNUN / 117 feet. In several years or running a short, openwire fed vertical dipole (6m per leg), I have determined that this antenna (in its vertical form) was on par with my full size 80m horizontal dipole at 40 ft. [ 1 , 2 ] This antenna’s length is selected to work well on one Ham radio band, with an acceptable standing wave ratio (SWR) over about a total bandwidth of about 3% of its center frequency, which is usually enough. This antenna works quite well no issues. The antenna is designed and manufactured in Australia and is intended to offer simple and very efficient operation on the 40 and 80 metre bands. The attic antennas can handle the other bands. For a donation of $56 (Including USPS priority mail shipping) club volunteers will build and deliver a 6-40 matchbox with a 30 foot antenna wire anywhere in the U. Minimum handling and a relatively high efficiency. 6 Meter Squalo Antenna Build #100 Balun PART 1: Broadcast Interference, Common Mode Current and Balun's magic. but not in a. April 26, 2013, 06:35:22 pm #7 I have a 180' long wire in an inverted-L and a tuner that forces it to do 80M pretty well. Attendance: BX2AN, BV2NT, BV2EL, BX2AL, BV2FP, BX3AAK, BM2INK, BM7FVH and BV2DQ IC726, 50A car battery. But as Gamma mentioned, it's not exactly, truly "end-fed", just really close to it, you will have some RF wanting to interact with the "other side" of the antenna. Homebrew multiband hf vertical antenna. Accessories (21) Antennas (21) BALUNs and UNUNs (11) CMC-RF isolators (10). A 4' length of angle stock is mounted to the tower giving a couple of feet stand-off from the tower for the center. So, I decided that for this winter, the vertical would become a dedicated 80m antenna. HORIZON 4080 Centre Fed Two Band antenna: 40 / 80m Thank you for purchasing our Horizon centre fed dipole. , 10-80m, 132 ft. To Tune the antenna Start with the 40m section, then adjust the 80m section, finally tune the 180m. 0 MHz coverage! With the AV-680, you get the same great traditional performance of the AV-640 on 6 through 40 Meters plus top-to-bottom capability on 80 and 75 Meters. The larger the wire, the wider the bandwidth. Collins Multi-band Antenna •1935 Collins Radio had a “very” similar antenna –Multi-band 2, 3 or 4 band depending on config. 54 – All-Bands Dipole Antenna. 24 ft) is recommended. To assess the end fed’s performance I did a side by side comparison with my 80 meter loop skywire. Rhombic antenna can be regarded as two V-shaped antennas connected end-to-end to form obtuse angles. End fed half wave antenna: One method of providing a multi-band antenna for the amateur radio or ham bands is to use an end fed half wave antenna. End-fed wire antennas. It is reasonably priced a. Results are very good with this antenna, Europe on 40m is fine from the The Netherlands. Resonant on specified bands. Full size version with wire length 41m. 95 MBITR Tactical Vest Antenna $124. When an antenna that is one half wave length long has RF energy applied to it at its resonant frequency a standing wave develops on it. This article describes a simple end fed wire for the low HF bands installed at a holiday cottage. Several turns of coax were wound on a large diameter plastic tube creating a RF choke at the feedpoint to help reduce this effect. The antenna is sported by a 22ft (6. , we do not ship. Unlike many END FED antennas on the market, this one does not require the Antenna Tuner to operate. End fed / long wire antenna Multiple wavelength long wire End fed half wave antenna W3EDP antenna The end fed half wave antenna is an attractive option for many radio hams as it is able to provide multiband operation without the use of traps or stubs whilst occupying a minimum amount of space and not presenting a very ugly visual impact. 80m, 67ft on 40m) Fed from one end using a transformer in a box. 80 metre end-fed antenna design. Introducing the new Hy-Gain PATRIOT-PLUS AV-680 with a fully tunable 3. AIR - RADIORAMA: MLA-M Magnetic Loop Antenna - Multiband 3,5 a 28 MHz QRP. This standing wave consists of both current and voltage that are 90 degrees out of phase. WA1ION version of the K9AY loop By Mark Connelly, WA1ION The K9AY loop antenna can provide a cardioid (heart-shaped, single-null) pattern when one end of the antenna is co. If the antenna is going to be mainly used on one band it would be better to connect the feeder at a point one 1/4 wave or one 1/2 wave from one end. An Extended Double Zepp (EDZ) is a 5/4 wavelength center-fed dipole, i. But performance is down about 8-12db on a dipole on 80m. The following tables show the recommended lengths to use for antenna wire based on the bands you wish to cover. It is simply a half wave end-fed on 80m which will resonate on all multiples of that frequency, loaded with a small inductance near the feed end. It is called the EFHW-8010. I will say that 80M and 15M are my worst bands on the ZS6BKW multi band antenna coming in at about 5:1 SWR before using the tuner. ; Fast Setup and takedown. In all other cases I use the EFHW why? The antenna is very light and only requires 1 or 2 metres of RG58AU feed line to the rig. Volunteers of the Honolulu Emergency Amateur Radio Club (EARC) carefully assemble the 6-40 End Fed matchbox antennas for those who prefer not to build one. We adjusted the spacing and increased the impedance to 800 ohms. Resonant on specified bands. It is a resonant Half wave on 80m (3. - Behuizing : Waterbestendig abs IP65 - SO239 Feamale Teflon Connector. LWHF-80 80-6m Multiband End Fed Long Wire Antenna Product Review (submitted on 30 May 2020): Now I have a replacement un-un, this is a fantastic antenna, my noise level has gone down, and RX signals are so much better, reports are good too. Jones Antenna Handbook -- 1937. Home 10-160 meter J-Pole Sr 60 foot end fed HF antenna $ 199. Many years later, W9BRD, Rod Newkirk who for a long time was the DX editor for the ARRL and QST did an article on how he end-fed a W8JK array. It is a resonant Half wave on 80m (3. The length of a half wave antenna is calculated using the following formula: L (ft) = 468 / f (freq in mhz). It is named after L. The simplest form of downlead is a single piece of insulated 16 AWG or 14 AWG wire soldered at one end to one end of the antenna and at the other end is fastened to the antenna input of the receiver. 80 metre end-fed antenna design. Years ago the end fed antenna was the most popular HF antenna type used by radio amateurs. The antenna wire is 1. A Zepp antenna for coverage of the amateur bands is a different proposition. It dog-legs a bit around several trees, but that does not seem to interfere with its operation at all. The SWR was adjusted using the tapping point on the coil near the feeder. The HF-360 is an end fed vertical fibreglass antenna capable of allowing the user to work 80 meters through 10 meters using an ATU, also not requiring any counterpoise. Unfortunately I don't have another 80m antenna to run some A-B checks with but from what I can tell, performance on 80m seems to be good. End-Fed End-Fed Antennas, Ground Systems, Tuning & Matching This program models a wide range of end-fed antennas used with a ground system of radial wires. 53 – All-Bands Antenna. The need for expanding an End-Fed with such a "counterpoise" wire was already recognized well over a century ago!. End fed half wave antenna: One method of providing a multi-band antenna for the amateur radio or ham bands is to use an end fed half wave antenna. Turnstile antennas can be stacked and fed in phase to realize an omnidirectional broadside array or phased for an end-fire array with circular polarization. The feed lines are ¾ wavelengths by necessity due to the ½ wavelength spacing. Yellow is a 40m long doublet fed with 450 ohm ladder line and an auto-atu at the base Blue is the 40m long ladder line fed doublet strapped as a Tee and fed against 16 ground radials using an auto-atu at the base. Some tweaking may be needed, but mine was built within an inch or two of those measurements. 95 Saturn Fan Dipoles $159. 00 Folded Terminated Dipole (FTD) $318. 5MHz) therefore also resonant on second, third and fourth harmonics etc. This type of antenna is similar to the common half-wavelength dipole, but with one significant advantage. Do not ground the counterpoise stud when using a counterpoise(s) or radial field. License History. The antenna has a full 300kHz bandwidth on 80m between 3:1 SWR points. The most common is the quarter wave Inverted-L. 84 m 29º 3 5. ; End-Fed Horizontal Wires (EFHW) cover multiple bands with-out. Most commercially-made G5RV. It is worth investigating since it needs only one high point in the relative clear to be effective (the horizontal far end can be at a lesser elevation, details later). A 4' length of angle stock is mounted to the tower giving a couple of feet stand-off from the tower for the center. The G7FEK design will allow operation on 80m / 40m / 30m / 17m / 15m / 12m with the possibility to add the 20m band. Heavy duty end insulator. End loading of the lower HF bands allows efficient operation with a manageable antenna height. 80m end fed antenna Posted on 11. com 8010P, which should be resonant on the 80/40/30/20/17/15/12/10m bands. Many years later, W9BRD, Rod Newkirk who for a long time was the DX editor for the ARRL and QST did an article on how he end-fed a W8JK array. Absolutely brilliant end-fed antenna, the build quality is superb and customer service is top notch, Ian is an absolute gentleman to deal with. The RadioWavz EFH antennas are a perfect match for SWL listening, and can even be used for transmitting up to 25W AM and 200W PEP/CW for. Priority requirements were a single antenna system that is unobtrusive and: compatible with Icom AH-4 tuner; reasonable performance on 80m, 40m, and 30m; near omni directional directivity, elevation pattern to suit local. Results are very good with this antenna, Europe on 40m is fine from the The Netherlands. A shortened multi-band End-Fed Half Wave (EFHW) antenna for 80-10m Steve Nichols G0KYA A shortened multiband antenna, about 23m long, for 80m-10m that offers low SWR (1. They work best voltage-fed, rather than current-fed. An Extended Zepp (EZ) is an end-fed 5/8 wavelength antenna. Here is a sure fire way to make end fed half wave antennas fed with a 50 ohm coupler work - without long radials, elaborate grounds, chokes, voodoo, etc. - Bevestigingsmaterialen zijn van RVS. Like the 40m End Fed Half Wave, which does not give full performance over the whole 80m band, the 20m EFHW when extended - does not give you all of 40m - but something is a lot better than nothing - and in his article Tim describes how he adjusted his antenna to provide the SSB end of 40m. 0 that is from the Multiband tuner free line of systems, fits in an included 16 inch Field Bag. LWHF-80 80-6m Multiband End Fed Long Wire Antenna 4. I like to use a home made current choke to keep RF from coming back on the feedline. In this context, we also tend to call any end-fed antenna a Zepp (although there is a center-fed extended double Zepp) and to refer to any off-center-fed antenna as a Windom (although. Well Built, Thanks! - Great product fast delivery - Item recieved,works as expected - This antenna is great. This is the 200Ω point, hence the 4:1 balun. It uses 14 gauge copper wire, center insulator is a SO-239 connector enclosed in a custom UV resistanat ABS housing. It is designed as a highly portable wire antenna, easily set up as an inverted V, horizontal, sloper, or in the case of higher frequencies, a vertical radiator. END FED "RANDOM Wire" Hf Dipole 9:1 Antenna. HF END FED Antenna EFHW-8010-1K 1000W 80-10m / NO TUNER NEEDED!! / 130 feet long - £167. The length of a half wave antenna is calculated using the following formula: L (ft) = 468 / f (freq in mhz). As to desired bands, the more the merrier! Certainly from 80m (ideally 160m) to 20m ( though higher frequencies 15,12,10m) would. It is a resonant Half wave on 80m (3. 500khz from 1. Posts: 55 Threads: 35 Joined: Jul 2019 Reputation:. End Fed 80 - 10 meters HF Multi Band Antenna 300 watts unun. I added a 15M double bazooka after seeing the 80M work so well, and it did not disappoint. Double Extended Zepp Antenna. END FED antennaEFHW-8010 Multi-Band End Fed Half Wave Antenna- NO TUNER NEEDED! This is an End-Fed Half-Wave (EFHW*) antenna for 80/40/30/20/17/15/12 and 10m bands. Once again the antenna was shipped and received with in a few days. "I received my third balun from Balun Designs this afternoon. antenna wire. So for 80m and up, you have one leg that is 45 feet long, and another leg that is 90 feet long. Now I have a 20M Double Bazooka up as well. However, I’m running at 151MHz, so I thought I would ask if anything needs to be different. The simplest form of downlead is a single piece of insulated 16 AWG or 14 AWG wire soldered at one end to one end of the antenna and at the other end is fastened to the antenna input of the receiver. Antenna tuner is needed on 20 and 17m and to extent the bandwidth on 10m. HF END FED Antenna 200W 80-10m / Ham Antenna NO TUNER NEEDED!! / 130 feet long - EUR 168,93. > >Start at the top of the tower with one end. I believe it was > >originally written up by K8UR, and is in the ARRL Antenna Handbook > >(mine's about 10 years old, don't know if it's still there) as a 40m > >antenna, using 5 slopers. Double Extended Zepp Antenna. Phase three was putting up a second loop; a dedicated 80m antenna. So, you’ve just got yourself a licence or a nice new HF transceiver and are hoping to be active on the lower frequency bands of 80m (3. I don’t want to bring the radiating element in to the shack which will be on the first floor (second floor if you’re in the US!)) so I’m thinking of using a 9:1 unun with. ; Fast Setup and takedown. Building an End-Fed Half-Wave antenna Posted by Matt under Amateur Radio , Antennas , Uncategorized Leave a Comment It’s fun to take a minimum of equipment out to a high place, lob a half-wave long wire antenna up into a tree, or support it with a fibreglass pole, and off you go – but such a long wire typically has a high (2. Below is one example of how to build an 80 metre band long wire antenna for a house with a smaller garden. In the search for the “Wonder Antenna” that is small, portable and easy to setup, I’ve decided to build an Endfed antenna using a 9:1 match. February 19, 2015 TVARC Antenna Guide for The Villages 7 Read every book on antennas or use Villages Antenna Guide to narrow the list “Villages Antenna Guide” is your shopping list Antenna On Air Stealth Tuner Install Cost 6M 10M 12M 15M 17M 20M 30M 40M 80M 160M Flagpole B A Remote D F C B B B B A A C D D Screwdriver B B None C D B B B B B. 57 - Five-Bands No-Tuner Antenna. Terminated Sloper Antenna. 89 m N/A 2 5. Due to 40m being an end fed 1/2 wave vertical dipole on this system, there is the potential for having RF on the shield of the coaxial feedline and radiating as part of the antenna. Attic antennas •Many types of antenna can be mounted in the attic IF you don’t have Radiant Barrier (Tech Shield). It is reasonably priced a. Narooma - End Fed Wire. 59 - Loop Antenna for 10m. EUR 46,13 Compralo Subito 25d 0h. Our 7-Band antennas are OCF (off-center-fed), with a 45 foot leg and a 90 foot leg, totaling 135 feet. repogitioning the end and re- Don't cut thia off. This is my attempt at explaining what I understood and a step by step instruction on how to build a monoband end fed half wave antenna coupler. So for 80m and up, you have one leg that is 45 feet long, and another leg that is 90 feet long. It is a resonant Half wave on 80m (3. Attic antennas •Many types of antenna can be mounted in the attic IF you don’t have Radiant Barrier (Tech Shield). Any counterpoise should be at least 1 foot above ground running away from or perpendicular to the antenna wire. Tuner design. Here is a sure fire way to make end-fed halfwave antennas fed with a 50 ohm coupler work - without long radials, grounds, chokes, voodoo. The three wires that make up the end fed antenna are initially cut over size by 300mm, and cut to reduce the SWR. I setup the end fed as a sloper with the loaded end supported by a tree about 25 feet in the air and the feedpoint about 3 feet off the ground. I’ve also been wanting to try out an end fed dipole that was so well described in the October 2010 issue of World Radio Magazine Online (download it now before it’s taken offline at the end of the year. This step also applies if you 39 re using an externally mounted antenna e. Some of the articles I found say that for a 1/2 wavelength end-fed I need a "small to no counterpoise" (with a lambda*0. , we do not ship. Power : 400 Watt PEP, SSB. FULL HF Coverage, no tuner needed on most frequencies. Full size version with wire length 41m. The New “End-Fed Wire Up the Maple Tree” Antenna Posted on August 5, 2020 by Jose VA3PCJ Reports sent by VA3PCJ to the participants in the 80m local “Pot Hole Net” on Aug 2 2020 (there was another participant, also an s8, whose location was not known). Traditionally this antenna is fed with a 600 ohm feed. Our 7-Band antennas are OCF (off-center-fed), with a 45 foot leg and a 90 foot leg, totaling 135 feet. 40-20-10 End Fed Antenna Based on the W3DZZ antenna, this Dipole proved to be very efficient without Antenna Tuner on 80m, 40m, 20m, 15m and 10m bands. Chester rationalized that there might be some impedance friendly length of wire usable for an end-fed antenna - near 1/2 wave - that didn't present the tough-to. After all, a half wave dipole is 250 feet long. high Z) Forget miracle antennas – they cannot work at all well – they just don't have the aerial aperture for it! Loading coils and capacitance devices have losses ( capacitance least) but so do ATUs/Couplers. Wegens vakantie gesloten tot 15-9. 95 DX Off Center Fed Windom $69. , 800w 1982MP End Fed, 1/2 Wave, 80-10M, 300W, Wire Antenna End-fed horizontal wire, an EFHW, offers the perfect solution for a wide range of ham activities. An Off Center Fed Dipole is an easy way to use one antenna for multiple bands. The 40 meter 2:1 SWR bandwidth effectively covers the entire band. 4 , 9 MHz, 12. Even tho gh largely neutralized by becoming. 2020 by Brarr One of the most popular antennas today is the end fed antenna due to it ease of installation, portability and stealth in various installations. It is reasonably priced a. Half wave delta loop antenna. See this link for more info. > >Start at the top of the tower with one end. This antenna is a half wavelength at the lowest frequency of operation, and then as the other bands on which t can be used are harmonically related, it provides a multiple number of half wavelengths. Monitor Doublet EARCHI antenna Elecraft KX2 End fed antenna FLDIGI FT8 Heathkit SB-200 Hustler 4BTV IC-7100 ICOM 718 K9AY antenna LDG YT-100 LNR EF-Quad Lymphoma Mirrorless Mobile HF NPOTA Oak Hills Research OHR WM-2 Omni Omni antenna Par Electronics Porta-Paddle Portable operation QRP RigExpert Rockmite RSP1A SDRPlay Signalink Tarheel Antenna. The extra length adds performance to the WARC bands as well. QTH: Shi-Men Dam, Taoyuan, Taiwan. 5, 41, 58, 71 and 84 feet. It uses 14 gauge copper wire, center insulator is a SO-239 connector enclosed in a custom UV resistanat ABS housing. If the ground is not very conductive add supplementary radial insulated wires on the ground to act as a counterpoise. above Sea Level with a clear shot to Europe, South America, and the Caribbean. So, if you want to operate over every kilohertz of the band, use open-wire transmission line and a tuner. 75', 3/16" 100% Dacron Polyester Rope. Any counterpoise should be at least 1 foot above ground running away from or perpendicular to the antenna wire. With a tuner, you are also supposed to be capable of using some of the WARC bands. An End Fed Half Wave Length Antenna is a variation of the much more common half wave length dipole antenna. We’re talking about “reasonable” heights on a given band as discussed in the antenna literature. 3:1) on 80m and 40m, and below 3:1 on 20, 15 and 10m. If the loop is in the shape of square or large rectangle, the SWR can be below 2:1, but will not get much below 1. I had previously used a commercial end-fed, but the toroid in the match box had broken. When an antenna that is one half wave length long has RF energy applied to it at its resonant frequency a standing wave develops on it. 12), just like all antenna radiators. The radiator is 45 feet of genuine #14 black polyethylene coated Flex-Weave wire. lower end of the vertical element touches the surface of the earth (at z = 0), and its total height is exactly 0. Do not ground the counterpoise stud when using a counterpoise(s) or radial field. Add to cart. The following tables show the recommended lengths to use for antenna wire based on the bands you wish to cover. A few months ago my friend 9W2 AYR(Anuar) and I visited my new friend 9M2LR (Mr. Balloon will go at the end of the high point. antenna 6 to 10 feet off the ground will ever work particularly well. Full half wave on 80m band. For short-wave listeners the X65MULTI is an ideal antenna, a simple wire connected to a receiver is very badly matched, resulting in only mediocre efficiency. Only 1 left! See similar items. 3:1) on 80m and 40m, and below 3:1 on 20, 15 and 10m. Antenna projects for 80 meters band category is a curation of 169 web resources on , Phased Delta Loops, The Hudson antenna, Vertical antenna for 40 and 80m. End Fed Antennas One of the most popular antennas today is the end fed antenna due to it ease of installation, portability and stealth in various installations. The antenna is 130ft long, 39. , 800w 1982MP End Fed, 1/2 Wave, 80-10M, 300W, Wire Antenna End-fed horizontal wire, an EFHW, offers the perfect solution for a wide range of ham activities. Radiowavz EFH80 80M End Fed Half Wave Antenna 200w SSB/PEP 25w AM Length 125' 8" £82. Reference Topic Remote HF Antenna Tuner Read 17118 times previous topic next topic. It is designed as a highly portable wire antenna, easily set up as an inverted V, horizontal, sloper, or in the case of higher frequencies, a vertical radiator. It was invented by Louis Varney. The End Wire Size can range from 16 AWG to 12 AWG. In several years or running a short, openwire fed vertical dipole (6m per leg), I have determined that this antenna (in its vertical form) was on par with my full size 80m horizontal dipole at 40 ft. The resistor should be the value that is. This antenna is basically two 5/8 wave antennas end to end. So239 socket. 80m End Fed. Antenna projects for 80 meters band category is a curation of 169 web resources on , Phased Delta Loops, The Hudson antenna, Vertical antenna for 40 and 80m. 80m-mhz Mono-band End-fed antenna with mounting bracket, made to order only. HFedz End Fed 6m-80m HF antenna (100W) Ham Radio Antenna. 23-26 Step-by-step tutorial on constructing dipoles for any one of the HF bands from 1. Part of the design is the 9:1 UNUN (unbalanced to unbalanced) toroid matching transformer. The antenna is rated at 300 watts side band. The 80m dipole is suspended from the 20m tower at about 55'. A shortened multi-band End-Fed Half Wave (EFHW) antenna for 80-10m Steve Nichols G0KYA A shortened multiband antenna, about 23m long, for 80m-10m that offers low SWR (1. Resources listed under Antennas for 80 meters band category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. A special case of this, is the End-Fed Half-Wave (EFHW) antenna. FOR SALE! HFedz 10m-80m End Fed Half Wave (49:1 EFHW) HF HAM Radio Antenna. T W wrote: > > Can anyone tell me what length of end-fed line works best on 80M using a KX1 The expression "end fed line" makes me confused as to what you are actually talking about. Product Compare (0) Sort By: Show: 9:1 unun 300 watts HF 160 to 6 meters This is an End Fed Long Wire wire antenna that will cover all bands from 80 to10 meters, including t. Half wave antenna for 160m, VK5ZVS: Inverted-L for 80m & 160m, ON7EQ: Lifted antennas kite for amateur Radio 160 Meters: Link Coupled Tuner 160-20 m, WW8J: Linear Loaded Wire Antennas, W8DCQ: Loop Antenna Info, WH2T: Multibander sloper, W1HIS: Polarized antenna the Linear loaded: The end-fed wire, G4NSJ: COMMERCIAL: Lannabo antennas are. Low angle is dominant on all bands expect 10 MHz, where the antenna is working as a end fed dipole. Discussion in ' Antennas, Feedlines, Towers & Rotors ' started by PD7MAA , Mar 3, 2015. Of course it is still very much QRP, and currently I am loading up my 40 metre end-fed dipole using 18 turns on an FT120-43 and my end-fed coupler which is just a terrible antenna for 80 metres so the actual radiated power is probably quite small. Traditionally this antenna is fed with a 600 ohm feed. 57 - Five-Bands No-Tuner Antenna. End Fed Half Wave antennas have only one long side wire so the antenna feed point can be closest to the location of the shortwave radio, unlike the dipole antenna that is twice as long and must be fed at the center of the antenna. The design for this project is of a similar nature as used for the previously constructed 160m and 40m tuners. EFHW-8010-1K ™ Multi-Band End Fed Half Wave Antenna. However, I’m running at 151MHz, so I thought I would ask if anything needs to be different. Amateur Wire Antennas : Hy Power Off Center Fed. An Off Center Fed Dipole is an easy way to use one antenna for multiple bands. 5kΩ to 3kΩ. 4 Watts are lost through the toroid. First, setup your end fed half wave tuner (ex. The RadioWavz End Fed Half Wave (EFH) antenna product line was originally designed to provide channelized. Many hams don’t have room to install one. I am fortunate to be at 840 ft. For the radiator I took 10 meter wire, 2. With this length of wire a coil of 11 turns is required, resonating the antenna on 1. Manufacturers of High Quality HF END FED Wire Antennas De trendsetters van de eindgevoede antennes sinds 2006. With ATU I. This standing wave consists of both current and voltage that are 90 degrees out of phase. It's hard to build one at home for the same money. Absolutely brilliant end-fed antenna, the build quality is superb and customer service is top notch, Ian is an absolute gentleman to deal with. I am not a mathematician that calculate ohms, coils etc. The antenna is designed and manufactured in Australia and is intended to offer simple and very efficient operation on the 40 and 80 metre bands. If you are on Facebook, there is a lot of good discussion and information available on the End Fed Half Wave Antennas group. I will drop the vertical idea thanks. 95 MBITR Tactical Vest Antenna $124. In several years or running a short, openwire fed vertical dipole (6m per leg), I have determined that this antenna (in its vertical form) was on par with my full size 80m horizontal dipole at 40 ft. Off-Center-Fed Full-Wave Doublet Antenna. Building an End-Fed Half-Wave antenna Posted by Matt under Amateur Radio , Antennas , Uncategorized Leave a Comment It’s fun to take a minimum of equipment out to a high place, lob a half-wave long wire antenna up into a tree, or support it with a fibreglass pole, and off you go – but such a long wire typically has a high (2. Each handles full legal limit power. Hi folks, Newbie HF Dave here again with an end fed antenna design question. The easiest antenna to make at home is a resonant half-wave center-fed dipole. Due to the high impedance feed point, the antenna. It is a resonant Half wave on 80m (3. It is reasonably priced a. For this trip, I introduced a new end-fed antenna. This antenna is 58 ft tall and is mounted on a hinged base. 95 (fully assembled) (includes RF choke, 50 ft. This antenna is a half wavelength at the lowest frequency of operation, and then as the other bands on which t can be used are harmonically related, it provides a multiple number of half wavelengths. 950MHz with an SWR of 1. A Zepp antenna for coverage of the amateur bands is a different proposition. The design for this project is of a similar nature as used for the previously constructed 160m and 40m tuners. Multiband Dipole Antenna 33 56. 58 - Dualband Full-wave Loop Antenna for 80m-40m. For the 80m-band accordingly at Lambda 1/4 a wire length of 20,8m (68. Due High Impedance feed point, the antenna is less height dependent. 135ft 30-degree inverted-V, 40 meters,55ft above average ground. LWHF-80 80-6m Multiband End Fed Long Wire Antenna 4. Absolutely brilliant end-fed antenna, the build quality is superb and customer service is top notch, Ian is an absolute gentleman to deal with. Due to the high impedance feed point, the antenna. Typical antenna lengths for the amateur bands from 160 - 10m, both when using insulators or nylon rope, are shown in Table 3. HFedz End Fed 6m-80m HF antenna (100W) Ham Radio Antenna. Full size dipole for 75/80 meters @ 138 feet long. HFedz End Fed 6m-80m HF antenna (100W) Ham Radio Antenna. At only 24 metres in length it will easily fit into most installation scenarios. 40m - 80m - 160m Short Dipole Antenna. Introducing the new Hy-Gain PATRIOT-PLUS AV-680 with a fully tunable 3. 80m End Fed. How To Obtain A Ham License. End fed half wave antenna: One method of providing a multi-band antenna for the amateur radio or ham bands is to use an end fed half wave antenna. Antenna projects for 80 meters band category is a curation of 169 web resources on , Phased Delta Loops, The Hudson antenna, Vertical antenna for 40 and 80m. Add to cart. Conditions on 80m alternated good and bad, but when good, VERY good. I think that leaves skyloop, end fed wire, dipole wire or possibly a mag loop (though that might be too obtrusive). Absolutely brilliant end-fed antenna, the build quality is superb and customer service is top notch, Ian is an absolute gentleman to deal with. This antenna build was strongly inspired by the well known PAR end fed antenna. I have an EARCH (Emergency Amateur Radio Club, Hawaii) end fed 6-40 meter multiband HF antenna. Do not ground the counterpoise stud when using a counterpoise(s) or radial field. Tri-band Delta Loop Antenna for 80m - 40m - 30m 36 60. My favorite backpack antenna is a 40 meter center-fed inverted-vee with an open angle of about 100 degrees; fed with 50' of 440 ohm stranded ladderline. VSWR of the six-band CL-OCFD on 80 m and at a height of 16. Free shipping. Double the Extended Zepp. He says that he achieved a 2:1 SWR coverage of the top end. To Tune the antenna Start with the 40m section, then adjust the 80m section, finally tune the 180m. The Hy Power OCF80 80 meter version shows a positive SWR dip on the following bands: 6, 10, 12, 17, 20, 40 and 80 meters. ) Bloody antennas. 5Mhz until the end of the NVIS range at 12Mhz at which point we change to 1Mhz steps and corresponding VSWR readings for this antenna design as detailed and installed at my QTH. ) Bloody antennas. The easiest antenna to make at home is a resonant half-wave center-fed dipole. The solution is quiet obvious: With an end-fed wire antenna from a kite up in the sky led down to the radio on the ground. I then observed the signal strength when listening to the local ACS net on 80 meters. All-Bands Dipole Antenna 32 54. The attic antennas can handle the other bands. This is my attempt at explaining what I understood and a step by step instruction on how to build a monoband end fed half wave antenna coupler. The bands lie in quite good harmonic relation, and so one end-fed Zepp approximately 69 feet long (flat-top only) will operate efficiently on the 40, 20 and 10 meter ham bands. It can be fed at the low impedance point at the centre as a half wave dipole or fed at the high impedance point at either end. 0 that is from the Multiband tuner free line of systems, fits in an included 16 inch Field Bag. An Extended Double Zepp (EDZ) is a 5/4 wavelength center-fed dipole, i. Thanks for looking!!!. This article will introduce the Half-Extended Double Zepp (HEDZ) which has characteristics that a lot of amateur radio operators should find quite interesting. performs well, but is “a cloud burner,” good for local contacts within 500 miles. 00 Folded Terminated Dipole (FTD) $318. Free shipping. This counteracts the tapering off of the current distribution between the feedpoint and the tip of the radiator. I have to, at some stage open it up with a hacksaw and see if I can fix it. High point is about 4m and low point about 2m, Distance is 20-30m Long between them. So this thing is the result: Understanding the end fed half wave. SW HALF SIZE G5RV ANTENNA (10-40M) SUPERIOR POLWEAVE £36. 20 Meter Antennas 20M 3 Element Monobander-- From The ARRL K5OE Antennas-- HF Antennas - 10/15/20 m Dipoles VE3GK's Homebrew Site-- 7Element 20M Yagi 63ft Boom 20M Yagi Optimized Wideband Antenna 20M Delta Loop Moxon Antenna Projects-- 17M and 20M Via KD6WD Verticals 17 Meter. • It was used as a multi-band antenna because when fed with ladder line (not coax!) it is easy to match the on any band from 80m to 10m • A G5RV used as a multi-band antenna should be fed with ladder line. Discussion in ' Antennas, Feedlines, Towers & Rotors ' started by PD7MAA , Mar 3, 2015. Yes folks! It's time to go 80m! [Update: and now, 60m!] I first decided to try 20m of equipment wire (read: much cheaper than 'proper' antenna wire, whatever that is!), at the end of an end-fed matchbox made by the Hawaii Emergency Radio Group. Now I have a 20M Double Bazooka up as well. ; Rugged weather-resistant 50-Ohm matching network. The “HOA Buster” is a 10-80M HF gutter antenna. The gain is about 5db and is bi-directional. That is an end fed quarter wavelength piece of wire run. , makes the antenna a more effective radiator. 00 shipping. I chose 58' for Mid 80 Meter Operation. Several turns of coax were wound on a large diameter plastic tube creating a RF choke at the feedpoint to help reduce this effect. The extra length adds performance to the WARC bands as well. Wire Antennas are sometimes maligned when it comes to their use for as base or portable. Traditionally this antenna is fed with a 600 ohm feed. End Fed HF Antenna Multiband Wire Installation / Setup - 10-160M End Fed HF Antenna Multiband Wire Installation / Setup With an antenna tuner I was able to work - 10M, 12M, 15M, 17M, 20M, 30M, 40M, 80M, 160M I have confirmed QSOs from QTH in SO CAL to Madera Island, Japan and New Zeland. 4, & 27 MHz if fed. Volunteers of the Honolulu Emergency Amateur Radio Club (EARC) carefully assemble the 6-40 End Fed matchbox antennas for those who prefer not to build one. 80m end fed antenna Posted on 11. com 8010P, which should be resonant on the 80/40/30/20/17/15/12/10m bands. The antenna has a full 300kHz bandwidth on 80m between 3:1 SWR points. A feedline can be attached to any point along the dipole. Absolutely brilliant end-fed antenna, the build quality is superb and customer service is top notch, Ian is an absolute gentleman to deal with. End fed 7 band wire antenna for 80m, 40, (20m, 17m) 15m, 12m, 10m. An Extended Double Zepp (EDZ) is a 5/4 wavelength center-fed dipole, i. Email This BlogThis! End Fed Inverted "L" Antenna; SuperLoop 80m Antenna 2011 (5). The antenna is designed and manufactured in Australia and is intended to offer simple and very efficient operation on the 40 and 80 metre bands. This is an End-Fed Half-Wave (EFHW*) antenna for 80/40/30/20/17/15/12 and 10m bands. I have an EARCH (Emergency Amateur Radio Club, Hawaii) end fed 6-40 meter multiband HF antenna. For 160 M dipole --That means: 1. 2 m or ≈14 ft for an 80m end-fed. The HYBRID End Fed is perfect for apartments, condominiums, homeowners associations, deed restrictions, field day operation, portable installation, stationary vehicular installation and many more. What is full size on 80m – ¼ wave 66ft, ½ wave 133ft – other bands ½ wave multiples not matched by ATU/Coupler ( v. The 80m version of the OCF Dipole is supposed to be capable of 80, 40, 20, and 10m bands. It can be used indoors, outdoors, in the attic, in a garage, etc. If you are on Facebook, there is a lot of good discussion and information available on the End Fed Half Wave Antennas group. 6 ohm UNUN Transformer. 00 out of 5. There are alternatives to a full size half wave dipole. ; Stainless Hardware, UV resistant materials throughout. 5 feet of 18AWG Wireman silky 532. This matchbox is good for this type of antenna. Out of stock. Whether you’re QRP backpack, vacationing, emcomm station, or an antenna neighbors will never see, MFJs got an EFHW for you: MFJ -1982LP, $49. Bane of my life. My favorite backpack antenna is a 40 meter center-fed inverted-vee with an open angle of about 100 degrees; fed with 50' of 440 ohm stranded ladderline. HF END FED Antenna 200W 80-10m / Ham Antenna NO TUNER NEEDED!! / 130 feet long - EUR 168,93. Resources listed under Antennas for 80 meters band category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. The MFJ-1748 End Fed Zepp is an end-fed wire antenna that, when properly erected and fed with balanced feedline through an antenna tuner, will be usable on all amateur bands from 80 to 10 Meters. The RadioWavz End Fed Half Wave (EFH) antenna product line was originally designed to provide channelized operations for Government operations that require single band (frequency) functionality. It can be fed with ladder line from the center insulator to tuner or it can use an impedance transforming length of ladder line to take the impedance to 50 ohms and fed from there to the rig with 50 ohm coax. My first thought was to make an inverted L for 80m, but the far end would extend off my property and would increase visibility of the antenna, particularly in the winter when there are fewer leaves for cover. In all other cases I use the EFHW why? The antenna is very light and only requires 1 or 2 metres of RG58AU feed line to the rig. Tuner design. Portable End-Fed 40-6 Meters Poly-Stealth Dipole Antenna 4. HV END FED 10-80M BOUWPAKKET. End fed half wave antenna: One method of providing a multi-band antenna for the amateur radio or ham bands is to use an end fed half wave antenna. 53 – All-Bands Antenna. 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. This matchbox is good for this type of antenna. Wire Antennas are sometimes maligned when it comes to their use for as base or portable. 40-20-10 End Fed Antenna Based on the W3DZZ antenna, this Dipole proved to be very efficient without Antenna Tuner on 80m, 40m, 20m, 15m and 10m bands. It is designed as a highly portable wire antenna, easily set up as an inverted V, horizontal, sloper, or in the case of higher frequencies, a vertical radiator. If you are on Facebook, there is a lot of good discussion and information available on the End Fed Half Wave Antennas group. Use 22 ft of RG-213 Coax Cable on 4" PVC. It is called the EFHW-8010. Five-Bands No-Tuner Antenna 33 57. Your feed line is essentially the counterpoise, so a separate one is not needed. 0 MHz coverage! With the AV-680, you get the same great traditional performance of the AV-640 on 6 through 40 Meters plus top-to-bottom capability on 80 and 75 Meters. com is an archive of Rod/AC6V's webpages, and is no longer being updated. What is full size on 80m – ¼ wave 66ft, ½ wave 133ft – other bands ½ wave multiples not matched by ATU/Coupler ( v. Multiband Z Antenna 33 55. 5 Wave-Length wire on lowest band (130ft on 80m, 67ft on 40m) Fed from one end using a transformer in a box. •Need lots of room, keep them away from metal objects like heaters and ducts •Wire antennas can be run near the peak of the roof inside the attic, bent in odd shapes to match the space available. 135ft 80-40meters Optional Accessories. SW HALF SIZE G5RV ANTENNA (10-40M) SUPERIOR POLWEAVE £36. The need for expanding an End-Fed with such a "counterpoise" wire was already recognized well over a century ago!. See Details. Rhombic antenna can be regarded as two V-shaped antennas connected end-to-end to form obtuse angles. Signal reports indicate the Bobtail is consistently + 2-4 S units compared to the L into Europe and with less QSB. 3:1) on 80m and 40m, and be. repogitioning the end and re- Don't cut thia off. Poor conditions on 40m. It is reasonably priced a. EFHW-8010-1K ™ Multi-Band End Fed Half Wave Antenna. In a recent 2014 survey the end fed half wave antenna EFHW is the world s most popular antenna for those carrying everything they need for remote operations. Coax fed loops will usually have an SWR between 2:1 and 3:1. A few months ago my friend 9W2 AYR(Anuar) and I visited my new friend 9M2LR (Mr. It is designed as a highly portable wire antenna, easily set up as an inverted V, horizontal, sloper, or in the case of higher frequencies, a vertical radiator. 8m) and covers 80m thru to 10m + all warc bands (TUNER REQUIRED AT THE TX END), the max power is 150 watts pep. Introducing the new Hy-Gain PATRIOT-PLUS AV-680 with a fully tunable 3. I think that leaves skyloop, end fed wire, dipole wire or possibly a mag loop (though that might be too obtrusive). First, it is important to understand. Due to the high impedance feed point, the antenna. The primary side (50 Ohm) should have an inductive reactance of at least 4 times the input impedance for a broadband transformer. The wire itself consists of 168 strands of #36 gauge woven copper. 52 – Center Fed-Zepp Antenna for 80m – 40m. Antenna has ground plane system of 8 wires, each 8m long. Ideal for 80-6m and when used with a good quality ATU a perfect match can be obtained on all bands. MBITR Tactical Vest Antenna $124. 4:1 impedance ratio is 2:1 turns ratio. 80 metre end-fed antenna design. - HV END FED 4 band voor 80/40/20/ en 10 meter. I will be interested to see if I can get the antenna to tune on 80m!. Volunteers of the Honolulu Emergency Amateur Radio Club (EARC) carefully assemble the 6-40 End Fed matchbox antennas for those who prefer not to build one. I'm new to antennas, but have a specific project where an end-fed antenna would make my project much easier, both due to weight and ease of installation. 24 ft) is recommended. Construction is very…. This antenna will handle 1500 watts of RF power (with a suitable antenna tuner). 05 m counterpoise), but some other articles say that I need "a good RF ground in close proximity to the end of the antenna". A Zepp antenna for coverage of the amateur bands is a different proposition. HyEndFed® The Ultimate Wire Antenna sinds 2006. End Fed 80 - 10 meters HF Multi Band Antenna 300 watts unun. My wife is very proud of her garden (and rightly so) and doesn’t want it spoilt with an unsightly antenna farm, so my initial solution will be an end fed random wire. In a recent 2014 survey the end fed half wave antenna EFHW is the world s most popular antenna for those carrying everything they need for remote operations. 47 Buy It. Half wave delta loop antenna. HF Multiband Base Antenna - Chameleon CHA SKYLOOP - 6M to 80M. It also raises the radiation resistance of the antenna, i. "In the article "Taming the End-Fed Antenna" ("The Antenna File", RGSB, pg 118) Alan Chester (G3CCB)(SK) proposed a solution for the high impedance of a 1/2 wave, end fed antenna. This type of antenna is similar to the common half-wavelength dipole, but with one significant advantage. It is worth investigating since it needs only one high point in the relative clear to be effective (the horizontal far end can be at a lesser elevation, details later). Thanks for looking!!!. This is a great end fed antenna complete with a 9:1 Unun. 10-80 Meter Alpha Loop antenna (100W 10-40M, 20W 40-80M) $ 500. Full size version with wire length 41m. Unlike many END FED antennas. What is full size on 80m – ¼ wave 66ft, ½ wave 133ft – other bands ½ wave multiples not matched by ATU/Coupler ( v. With this length of wire a coil of 11 turns is required, resonating the antenna on 1. Absolutely brilliant end-fed antenna, the build quality is superb and customer service is top notch, Ian is an absolute gentleman to deal with. –Using copper tubing open line for matching –Appeared in the December 1935 ‘Collins Signal’ –Also in The Radio Antenna Handbook -- 1936 –Also in The Frank C. End-fed antenna un filo e 1/4 d'onda per i 160 metri e cioe lungo 40 metri. 75', 3/16" 100% Dacron Polyester Rope. See you next. I’ve also been wanting to try out an end fed dipole that was so well described in the October 2010 issue of World Radio Magazine Online (download it now before it’s taken offline at the end of the year. The reason for this that my groundplane needs counterpoises or radials. A Zepp antenna for coverage of the amateur bands is a different proposition. From this model it’s possible to see that the loft antenna should have about 2dB less gain than the doublet on 160m. MFJ-1982HP EndFed 1/2 Wave 800W 80M-10M Wire Antenna 132 feet. It is a resonant Half wave on 80m (3. ________________________________________________________. The problem with a lot of portable antennas and antennas in confined spaces is the low efficiency of those antennas. of these was the one for the CW station. - Behuizing : Waterbestendig abs IP65 - SO239 Feamale Teflon Connector. That is what people usually say. Center Fed-Zepp Antenna for 80m - 40m 31 52. 4 , 9 MHz, 12. The End Fed Half Antenna is the simplest and least expensive antenna to use for a shortwave antenna and will have excellent performance. 12), just like all antenna radiators. It can be fed at the low impedance point at the centre as a half wave dipole or fed at the high impedance point at either end. Portable End-Fed 160-10 Meters Dipole Antenna George on 24th Feb 2020 This is the 4th or 5th product that I have purchased 4 or 5 items from ni4l. The three wires that make up the end fed antenna are initially cut over size by 300mm, and cut to reduce the SWR. Testing the Myantennas. •Need lots of room, keep them away from metal objects like heaters and ducts •Wire antennas can be run near the peak of the roof inside the attic, bent in odd shapes to match the space available. It has been compared with the following: • 85ft W3EDP end-fed that went up to the top of a 60ft oak tree in my garden with a 17ft counterpoise – the multi-band dipole beats it hands. Volunteers of the Honolulu Emergency Amateur Radio Club (EARC) carefully assemble the 6-40 End Fed matchbox antennas for those who prefer not to build one. First, it is important to understand. 12), just like all antenna radiators. It is a resonant Half wave on 80m (3. It has been purposely reduced in length compared to a full sized 80m dipole by the insertion of a 70uH loading coil. Chester rationalized that there might be some impedance friendly length of wire usable for an end-fed antenna - near 1/2 wave - that didn't present the tough-to. We erect the MyAntennas EFHW-8010-1K end-fed half wave antenna that covers a small portion of the 80 meter band, plus all of 40, 30, 20, 17, 15, 12, and 10 meters (but not 60m). End-fed, half-wave (EFHW) antenna. I've worked 160 thru 6 with that antenna. The bands lie in quite good harmonic relation, and so one end-fed Zepp approximately 69 feet long (flat-top only) will operate efficiently on the 40, 20 and 10 meter ham bands. The most common is the quarter wave Inverted-L. In several years or running a short, openwire fed vertical dipole (6m per leg), I have determined that this antenna (in its vertical form) was on par with my full size 80m horizontal dipole at 40 ft. Terminated Sloper Antenna. 4 Watts are lost through the toroid. This matchbox has a variable capacitor that is controlled with a knob on the front. The Hertz antenna is an antenna with an electrical length of a half wavelength at its resonant frequency. For short-wave listeners the X65MULTI is an ideal antenna, a simple wire connected to a receiver is very badly matched, resulting in only mediocre efficiency. Off-Center-Fed Full-Wave Doublet Antenna. repogitioning the end and re- Don't cut thia off. It consists of 30ft of wire fed into a 9:1 UnUn (Unbalanced to Unbalanced). End fed 7 band wire antenna for 80m, 40, (20m, 17m) 15m, 12m, 10m. 24 ft) is recommended. All Antennas, HF Base, Portable. Rated at 600w these highly efficient half wave end fed antennas have proved to be extremely popular and many customers have come back to buy more for other bands. Radiowavz EFH80 80M End Fed Half Wave Antenna 200w SSB/PEP 25w AM Length 125' 8" $102. I think that leaves skyloop, end fed wire, dipole wire or possibly a mag loop (though that might be too obtrusive). See Details. END FED antennaEFHW-8010 Multi-Band End Fed Half Wave Antenna- NO TUNER NEEDED! This is an End-Fed Half-Wave (EFHW*) antenna for 80/40/30/20/17/15/12 and 10m bands. Terminated Sloper Antenna. •Need lots of room, keep them away from metal objects like heaters and ducts •Wire antennas can be run near the peak of the roof inside the attic, bent in odd shapes to match the space available. In the old days, the antenna would probably be fed with open-wire line, and this antenna could be easily tuned from band end to end. MFJ-1982HP EndFed 1/2 Wave 800W 80M-10M Wire Antenna 132 feet. If the ground is not very conductive add supplementary radial insulated wires on the ground to act as a counterpoise. Dualband Full-wave Loop Antenna for 80m-40m 34 58. ; No long counterpoise, radials or feedline required. Accessories (21) Antennas (21) BALUNs and UNUNs (11) CMC-RF isolators (10). It is simply a half wave end-fed on 80m which will resonate on all multiples of that frequency, loaded with a small inductance near the feed end. End fed half wave antenna: One method of providing a multi-band antenna for the amateur radio or ham bands is to use an end fed half wave antenna.
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