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80m End Fed Antenna

30 Watts QRP, 80-10 Meters. 5m) end-fed is insulated for safety. Radiowavz EFH80 80M End Fed Half Wave Antenna 200w SSB/PEP 25w AM Length 125' 8" £82. Umbrella antenna for 80m and up- As the name suggests, an "end-fed" antenna is just that: the radiating element is fed at one of its ends, instead of somewhere in-between its two ends (i. ; Easy Storage/transport. 75', 3/16" 100% Dacron Polyester Rope. 6 Meter Squalo Antenna Build #100 Balun PART 1: Broadcast Interference, Common Mode Current and Balun's magic. 8m) and covers 80m thru to 10m + all warc bands (TUNER REQUIRED AT THE TX END), the max power is 150 watts pep. , 10-80m, 132 ft. Vertical Beam and End Fed Antenna 50:5. It can be used indoors, outdoors, in the attic, in a garage, etc. • The G5RV was originally designed as a 3 /2 antenna for use on 20 meters. DIPOLE IMPEDANCES. The Buddipole™ - HF portable dipole antenna system, Welcome to the home of the Buddipole™, an hf/vhf portable dipole antenna system which is designed to be modular, versatile, and efficient. 20 Buy It Now 6d 13h. On 20 Oct 98, Pete Smith wrote: > > At 11:15 AM 10/20/98 +0000, Barry Kutner wrote: > > > >I use 3 "vertical slopers" around the tower. It was invented by Louis Varney. Vedi Dettagli. Only 1 left! See similar items. It is a resonant Half wave on 80m (3. The feed impedance of the end fed long wire antenna is perhaps the main consideration particularly as in this case the antenna is to be a multi-band antenna, being a useful radiator on all amateur radio bands from 80m through to 6m. Discussion in ' Antennas, Feedlines, Towers & Rotors ' started by PD7MAA , Mar 3, 2015. The vertical long wire antenna be spiraling on the 10m pole, and hookup to Icom AH-4 ATU with three 10m wire for radials ground. The End Fed Half Antenna is the simplest and least expensive antenna to use for a shortwave antenna and will have excellent performance. 80 metre end-fed antenna design. A shortened multi-band End-Fed Half Wave (EFHW) antenna for 80-10m The 80-10m EFHW This is a shortened multiband antenna, about 23m long, for 80m-10m that offers low SWR (1. But performance is down about 8-12db on a dipole on 80m. Unlike many END FED antennas on the market, this one does not require the Antenna Tuner to operate. An Extended Double Zepp (EDZ) is a 5/4 wavelength center-fed dipole, i. 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. The 80m version of the OCF Dipole is supposed to be capable of 80, 40, 20, and 10m bands. Unlike Terminated Folded Dipoles and End Fed Inverted V antennas, an OCF antenna works on multiple bands but not on all frequencies. Simple 80M transmitter; Simple 160M Novice transmitter; Simple audio S meter; 21MHz DSB Transmitter; 3 transistor 50MHz DSB transmittor; 2SC1957 linear AMP; Single transistor FM transmitter; Simple L-MATCH ATU for End-fed wire antenna; Super simple CW transmitter; 80M QRP 3 watts Transmitter for novices; Ramsey HR-40 CW/SSB Direct Conversion. This matchbox has a variable capacitor that is controlled with a knob on the front. 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. The end fed antenna is essentially half a dipole, it uses a good earth connection to complete the arangment. 00 out of 5. No attempt was made to shorten the element in order to achieve reso-nance. The formulas above are for typical wire dimensions. I wanted high efficiency 40 Meter antenna with low-angle radiation. 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. High point is about 4m and low point about 2m, Distance is 20-30m Long between them. The larger the wire, the wider the bandwidth. l already have the mono-band 17m wire and also the 40m long wire l am that pleased with them. Demonstrate 40m tuning of a End Fed Zepp antenna using Z-match tuner located close to the antenna feed, securing good match, low losses and good VSWR ocver the complete band. 40m - 80m - 160m Short Dipole Antenna. EFHW-8010-1K ™ Multi-Band End Fed Half Wave Antenna. 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. Do not ground the counterpoise stud when using a counterpoise(s) or radial field. Stainless/ 80-6 Meters 150W Pep - CHF 76. RG8X coax, PL259. We continue our antenna offerings with this single band, 80m-10m end fed half wave wire 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. Antenna has ground plane system of 8 wires, each 8m long. Off Center Fed (OCF) Antennas Choose from OCF, Vertical, Loops, Zepps, end feds using Palomar Engineers Over-Engineered to Outperform(TM) impedance transformers and feed line chokes for outstanding antenna performance!. Test/Site Conditions for our Quarter Wave Sloper vs Inverted-V Dipole Because of the above stated variables we wanted to test these antennas over the. End Fed 80 - 10 meters HF Multi Band EFHW 100 watts 49:1 transformer. 0 that is from the Multiband tuner free line of systems, fits in an included 16 inch Field Bag. The 80m version of the OCF Dipole is supposed to be capable of 80, 40, 20, and 10m bands. The dipole has two 1 m long arms - effective height is 1 m. Current-fed antennas like the dipole have low impedance feedpoints and are a good match to coax. 1 metres long. Most likely you will need to use an external antenna. AIR - RADIORAMA: MLA-M Magnetic Loop Antenna - Multiband 3,5 a 28 MHz QRP. 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. 5MHz) therefore also resonant on second, third, and fourth harmonics. First, it is important to understand. To Tune the antenna Start with the 40m section, then adjust the 80m section, finally tune the 180m. 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. 80m End Fed Half Wave Antenna VA3KOT John Member. This standing wave consists of both current and voltage that are 90 degrees out of phase. 6 Meter Squalo Antenna Build #100 Balun PART 1: Broadcast Interference, Common Mode Current and Balun's magic. The easiest antenna to make at home is a resonant half-wave center-fed dipole. 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. 80m-mhz Mono-band End-fed antenna with mounting bracket, made to order only. For portable radio operation, I like End-Fed Half-Wavelength Antennas (EFHWA, pronounced “EF-WAH”). wa7ark 4 What is an End Fed Half Wave Antenna? – Carries power to antenna. The primary side (50 Ohm) should have an inductive reactance of at least 4 times the input impedance for a broadband transformer. We adjusted the spacing and increased the impedance to 800 ohms. The design frequency, the feedpoint impedance, will be between 80 and 150 ohms. HV END FED 10-80M BOUWPAKKET. 47 Buy It. I am not a mathematician that calculate ohms, coils etc. 5MHz) therefore also resonant on second, third and fourth harmonics etc. The matcher box uses a T82-43 Fair-Rite core. Building and experimenting with antennas can be an interesting part of the radio hobby. 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. HF END FED Antenna EFHW-8010-1K 1000W 80-10m / NO TUNER NEEDED!! / 130 feet long - £167. But performance is down about 8-12db on a dipole on 80m. End Fed Inverted "L" Antenna Posted by YC1CWK - YUN at 4:40:00 PM. The larger the wire, the wider the bandwidth. 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. –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. 4:1 impedance ratio is 2:1 turns ratio. 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. "I received my third balun from Balun Designs this afternoon. Half wave delta loop antenna. I want to make an End-Fed sloper Antenna with Traps. End Fed 80 - 10 meters HF Multi Band EFHW 100 watts 49:1 transformer. How To Obtain A Ham License. Feeding a half wave antenna with close to 1/4 wave of feedline on 40 You know the math on 20m. Vertical Beam and End Fed Antenna 50:5. 23-26 Step-by-step tutorial on constructing dipoles for any one of the HF bands from 1. 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. Your feed line is essentially the counterpoise, so a separate one is not needed. You should not connect coax directly to the tails. Whether you’re QRP backpack, vacationing, emcomm station, or an antenna neighbors will never see, MFJs got an EFHW for you: MFJ -1982LP, $49. After all, a half wave dipole is 250 feet long. 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. 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. Free shipping. An End Fed Halfwave Antenna by G3YCC This end fed type of antenna was marketted in the UK and is a useful system for the portable set-up. First, setup your end fed half wave tuner (ex. I test on the fly and learn from that. 0 that is from the Multiband tuner free line of systems, fits in an included 16 inch Field Bag. Any counterpoise should be at least 1 foot above ground running away from or perpendicular to the antenna wire. It is a resonant Half wave on 80m (3. Reference Topic Remote HF Antenna Tuner Read 17118 times previous topic next topic. Some very loud signals on 80m tonight. My inverted-V at 40 ft. SW HALF SIZE G5RV ANTENNA (10-40M) SUPERIOR POLWEAVE £36. If they weren’t so much fun I’d forget them and take up stamp collecting 🙂. Home / HF Base / 6-80 meter J-Pole Jr 34 foot end fed HF antenna. 135ft 30-degree inverted-V, 40 meters,55ft above average ground. Unlike many END FED antennas. 40m - 80m - 160m Short Dipole Antenna. Ideal for 80-6m and when used with a good quality ATU a perfect match can be obtained on all bands. Demonstrate 40m tuning of a End Fed Zepp antenna using Z-match tuner located close to the antenna feed, securing good match, low losses and good VSWR ocver the complete band. End-hat loading with a "capacitive hat", typically installed at the tip of the radiating element(s). com is an archive of Rod/AC6V's webpages, and is no longer being updated. , makes the antenna a more effective radiator. An End Fed Half Wave Length Antenna is a variation of the much more common half wave length dipole antenna. Obviously the end-fed radiator does need something to "push against" (ref. The home of the EFHW - End Fed Half Wave antennas, BALUNs, UNUNs, OCF, and Accessories. First, it is important to understand. If they weren’t so much fun I’d forget them and take up stamp collecting 🙂. With this antenna (mounted vertically) I easily work transatlantic on 80m. 00 Folded Terminated Dipole (FTD) $318. Using high quality components and built to the highest standards. EndFed 1/2 Wave 800W 80M-10M Wire Antenna EndFed 1/2 Wave 800W 80M-10M Wire Antenna FULL HF Coverage, no tuner needed on most frequencies. Antenna has ground plane system of 8 wires, each 8m long. The Hertz antenna is an antenna with an electrical length of a half wavelength at its resonant frequency. This article describes a simple end fed wire for the low HF bands installed at a holiday cottage. com 8010P, which should be resonant on the 80/40/30/20/17/15/12/10m bands. For portable radio operation, I like End-Fed Half-Wavelength Antennas (EFHWA, pronounced “EF-WAH”). I cut the antenna to 67', use a homemade 1/4" plexiglass T with three slots as strain relief for the antenna's feedpoint. FOR SALE! HFedz 10m-80m End Fed Half Wave (49:1 EFHW) HF HAM Radio Antenna. The antenna can be pole mounted at ground level or elevated depending on users requirements. Off-Center-Fed Full-Wave Doublet Antenna. 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. 5MHz) and 40m (7MHz) but are a bit concerned about how much space you will need for an antenna. If you only have one support an end-fed antenna may suit you better. END FED antennaEFHW-8010P Multi-Band End Fed Half Wave Antenna- NO TUNER NEEDED! EFHW-8010P- 200WPortable or Stationary Multi-Band End Fed Half Wave AntennaThis is a 200W version of popular EFHW-8010 End-Fed Half-Wave (EFHW*) antenna for 80/40/30/20/17/15/12 and 10m bands. OCF Antennas. EUR 46,13 Compralo Subito 25d 0h. HFedz Delta Loop 17m Monoband HF antenna (200W) Ham Radio Antenna. It is a resonant Half wave on 80m (3. Resources listed under Antennas for 80 meters band category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. With this antenna (mounted vertically) I easily work transatlantic on 80m. MFJ-1982HP EndFed 1/2 Wave 800W 80M-10M Wire Antenna 132 feet. So for 80m and up, you have one leg that is 45 feet long, and another leg that is 90 feet long. 4, & 27 MHz if fed. 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. This is an End-Fed Half-Wave (EFHW*) antenna for 80/40/30/20/17/15/12 and 10m bands. The feed impedance of the end fed long wire antenna is perhaps the main consideration particularly as in this case the antenna is to be a multi-band antenna, being a useful radiator on all amateur radio bands from 80m through to 6m. a EFHW), antenna impedance is in the 2000-4000 ohms range. 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. [ 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. The good, the bad. To assess the end fed’s performance I did a side by side comparison with my 80 meter loop skywire. End Fed 80 - 10 meters HF Multi Band EFHW 100 watts 49:1 transformer. Use 22 ft of RG-213 Coax Cable on 4" PVC. 59 - Loop Antenna for 10m. Add to cart. This antenna will handle 1500 watts of RF power (with a suitable antenna tuner). Testing the Myantennas. Vedi Dettagli. effective antennas for this band are very large. 23-26 Step-by-step tutorial on constructing dipoles for any one of the HF bands from 1. Tuning is needed when switching to another band. 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. 800 Mhz (can be scaled for lower frequency) Wire, Length , Included Angle 1 11. 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. Due High Impedance feed point, the antenna is less height dependent. 25 wave-lengths. I use a 29 foot wire with my PackTenna 9:1 balun for 40m-10m and then add a 28 foot length for better coverage on 80m when needed. A feedline can be attached to any point along the dipole. The batwing antenna is a turnstile antenna with its linear elements widened as in a bow-tie antenna, again for the purpose of widening its resonant frequency and thus usable over a larger. (50Ω to 200Ω) The antenna is very simple. This antenna build was strongly inspired by the well known PAR end fed antenna. Five-Bands No-Tuner Antenna 33 57. The reference antenna is an end fed inverted L with a counterpoise of 60 100' radials. Portable End-Fed 40-6 Meters Poly-Stealth Dipole Antenna 4. 05 m counterpoise), but some other articles say that I need "a good RF ground in close proximity to the end of the antenna". We continue our antenna offerings with this single band, 80m-10m end fed half wave wire antenna. To Tune the antenna Start with the 40m section, then adjust the 80m section, finally tune the 180m. The feed lines are ¾ wavelengths by necessity due to the ½ wavelength spacing. Shorter length counterpoise wires can be used if operation is confined to 40m or higher. 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. Power : 400 Watt PEP, SSB. HF END FED Antenna EFHW-8010-1K 1000W 80-10m / NO TUNER NEEDED!! / 130 feet long - £167. The dipole has two 1 m long arms - effective height is 1 m. A shortened multi-band End-Fed Half Wave (EFHW) antenna for 80-10m The 80-10m EFHW This is a shortened multiband antenna, about 23m long, for 80m-10m that offers low SWR (1. 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. 800 Mhz (can be scaled for lower frequency) Wire, Length , Included Angle 1 11. The need for expanding an End-Fed with such a "counterpoise" wire was already recognized well over a century ago!. 54 - All-Bands Dipole Antenna. Home / HF Base / 6-80 meter J-Pole Jr 34 foot end fed HF antenna. 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. This is an End-Fed Half-Wave (EFHW*) antenna for 80/40/30/20/17/15/12 and 10m bands. In this article I will try to share my experience with the end fed long wire antenna. 6 ohm UNUN Transformer. Multiband Dipole Antenna 33 56. With a tuner, you are also supposed to be capable of using some of the WARC bands. It dog-legs a bit around several trees, but that does not seem to interfere with its operation at all. An Off Center Fed Dipole is an easy way to use one antenna for multiple bands. From this model it’s possible to see that the loft antenna should have about 2dB less gain than the doublet on 160m. LWHF-80 80-6m Multiband End Fed Long Wire Antenna 4. Stations at the other end are hearing the same, about 2 S unit increase. The antenna is sported by a 22ft (6. 5MHz) therefore also resonant on second, third, and fourth harmonics. Yes, many people sell end-fed antennas, In an efficient design, they will use a wire 1/2 wave long on the lowest band, and a 1:49 transformer to change the feedpoint impedance (which will be high and fairly constant on harmonics of that 1/2 wave long band) to the 50 ohms that the rig needs. Only 1 left! See similar items. Tuning is needed when switching to another band. 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. Traditionally this antenna is fed with a 600 ohm feed. As already mentioned it is fed at the 1/3 point. Tuning is needed when switching to another band. Low angle is dominant on all bands expect 10 MHz, where the antenna is working as a end fed dipole. Its total length is approximately 135 feet. Manufacturers of High Quality HF END FED Wire Antennas De trendsetters van de eindgevoede antennes sinds 2006. We’re talking about “reasonable” heights on a given band as discussed in the antenna literature. A vertical seemed the obvious answer, a naturally low-angle radiator. The home of the EFHW - End Fed Half Wave antennas, BALUNs, UNUNs, OCF, and Accessories. From this model it’s possible to see that the loft antenna should have about 2dB less gain than the doublet on 160m. HFedz End Fed 6m-80m HF antenna Ham Radio Antenna. 80M End Fed Zepp Antenna. 80m, 67ft on 40m) Fed from one end using a transformer in a box. Accessories (21) Antennas (21) BALUNs and UNUNs (11) CMC-RF isolators (10). The Hy Power Off Center Fed Antenna is a very efficient and effective multi band antenna. This is an End-Fed Half-Wave (EFHW*) antenna for 80/40/30/20/17/15/12 and 10m bands. 2 mm 7 strand stainless steel 20. net Glen Brown W6GJB [email protected] 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. Antenna tuner is needed on 20 and 17m and to extent the bandwidth on 10m. Unlike many END FED antennas on the market, this one does not require the Antenna Tuner to operate. Let's take a look at some of the pictures This is the North end of the antenna. It is called the EFHW-8010. • 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. The key to end fed antenna success is the matching network interface between the long wire antenna and the coax feed line and feed line choke at the transceiver. An End Fed Half Wave Length Antenna is a variation of the much more common half wave length dipole antenna. As to desired bands, the more the merrier! Certainly from 80m (ideally 160m) to 20m ( though higher frequencies 15,12,10m) would. I also show SWR results, which show this antenna will work with a rig that has a built-in tuner that can tune up to 3:1 SWR. 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. - Great performing antenna, very surprised. Several turns of coax were wound on a large diameter plastic tube creating a RF choke at the feedpoint to help reduce this effect. Unlike many END FED antennas on the market, this one does not require the Antenna Tuner to operate. Home 10-160 meter J-Pole Sr 60 foot end fed HF antenna $ 199. A 4' length of angle stock is mounted to the tower giving a couple of feet stand-off from the tower for the center. I ordered the counterpoise that Ultimax offers for their antennas. 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. The wire itself consists of 168 strands of #36 gauge woven copper. 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. End-fed wire antennas. The end fed offers many alternative options. 59 - Loop Antenna for 10m. Dark grey coated copper wire for stealth installation. Unlike Terminated Folded Dipoles and End Fed Inverted V antennas, an OCF antenna works on multiple bands but not on all frequencies. Model Data by Harmonic The following data are for the far field radiation patterns and 3D color views of an End Fed Half Wave Inverted-V antenna with the high point in the center at 40 feet and the ends about 10 feet over ground. Resonant ½ wave dipoles when center fed will repeata resonant and resistive impedance at odd multiples of the fundamental. Terminated Sloper Antenna. 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. A few months ago my friend 9W2 AYR(Anuar) and I visited my new friend 9M2LR (Mr. HFEDZ END FED 10m-160m HF antenna (200W) Ham Radio Antenna - $88. 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. ; End-Fed Horizontal Wires (EFHW) cover multiple bands with-out. 00 Ex Tax: £120. It can be used indoors, outdoors, in the attic, in a garage, etc. Double the Extended Zepp. 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. The reason for this that my groundplane needs counterpoises or radials. I also show SWR results, which show this antenna will work with a rig that has a built-in tuner that can tune up to 3:1 SWR. 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. I will be interested to see if I can get the antenna to tune on 80m!. 20 Buy It Now 6d 13h. The primary side (50 Ohm) should have an inductive reactance of at least 4 times the input impedance for a broadband transformer. Radiowavz EFH80 80M End Fed Half Wave Antenna 200w SSB/PEP 25w AM Length 125' 8" $102. 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. The End Fed Half Antenna is the simplest and least expensive antenna to use for a shortwave antenna and will have excellent performance. 1 metres long. Umbrella antenna for 80m and up- As the name suggests, an "end-fed" antenna is just that: the radiating element is fed at one of its ends, instead of somewhere in-between its two ends (i. 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. 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. 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. Results are very good with this antenna, Europe on 40m is fine from the The Netherlands. The antenna is sported by a 22ft (6. Resources listed under Antennas for 80 meters band category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. The most common is the quarter wave Inverted-L. Out of stock. Any counterpoise should be at least 1 foot above ground running away from or perpendicular to the antenna wire. It is a resonant Half wave on 80m (3. 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. Terminated Sloper Antenna. Following the directions exactly as specified (0. 5 feet of 18AWG Wireman silky 532. 58 - Dualband Full-wave Loop Antenna for 80m-40m. HF END FED Antenna 200W 80-10m / Ham Antenna NO TUNER NEEDED!! / 130 feet long - EUR 168,93. HyEndFed® The Ultimate Wire Antenna sinds 2006. Bane of my life. So for 80m and up, you have one leg that is 45 feet long, and another leg that is 90 feet long. The antenna is oriented on a North-South axis, more or less. Several turns of coax were wound on a large diameter plastic tube creating a RF choke at the feedpoint to help reduce this effect. End loading of the lower HF bands allows efficient operation with a manageable antenna height. Antenna tuner is needed on 20 and 17m and to extent the bandwidth on 10m. While dipoles are very efficient antennas, they are not the only way to go. 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. 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. 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. 5 kW 9:1 unun with Kevlar wires. I want to make an End-Fed sloper Antenna with Traps. The tuner in the radio is all I need for 30m. ________________________________________________________. 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. 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. So239 socket. The 80m version of the OCF Dipole is supposed to be capable of 80, 40, 20, and 10m bands. Testing the Myantennas. The end fed antenna is essentially half a dipole, it uses a good earth connection to complete the arangment. His article in the June 1990 QST, "BRD Zapper, The: A Quick, Cheap and Easy "ZL Special" Antenna" used a feed system that made the array unidirectional, and effectively an end-fed ZL-special. The vertical long wire antenna be spiraling on the 10m pole, and hookup to Icom AH-4 ATU with three 10m wire for radials ground. Full size version with wire length 41m. The antenna is designed to be fed with 50 or 75 Ohm Coax Cable of most any length with a Balun. LWHF-80 80-6m Multiband End Fed Long Wire Antenna 4. A dipole has its feedpoint (where it connects to the radio) in the middle of the antenna, but an EFHWA’s feedpoint is at one end. It is fed with home-made open wire feedline. 85 would be about 261 feet long. , makes the antenna a more effective radiator. Long wire fed at or wave from one end A horizontal halfwave antenna will radiate mostly broadside to the wire. Most likely you will need to use an external antenna. It can be used indoors, outdoors, in the attic, in a garage, etc. End-hat loading with a "capacitive hat", typically installed at the tip of the radiating element(s). Due High Impedance feed point, the antenna is less height dependent. 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. 4 Watts are lost through the toroid. Thread Status:. 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. Resonant on specified bands. End-Fed Longwire Antenna with a 9:1 UnUn rated at 700 watts, covering 160 meters through 10 meters, only 124' 6" long. 95 (fully assembled) (includes RF choke, 50 ft. The wire itself consists of 168 strands of #36 gauge woven copper. Well Built, Thanks! - Great product fast delivery - Item recieved,works as expected - This antenna is great. ground plane antenna with radials. So, I decided that for this winter, the vertical would become a dedicated 80m antenna. I then observed the signal strength when listening to the local ACS net on 80 meters. The history and basic theory of this antenna dates back to 1946. 46Mhz, its is obvious that Fo/Mhz VSWR 1. This is an End Fed Half Wave Long Wire wire antenna that will cover all bands from 80 to 10 met. I'll probably build a loaded vertical with top-hat for this beacon if I keep it running. With this antenna (mounted vertically) I easily work transatlantic on 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. Ideal for 80-6m and when used with a good quality ATU a perfect match can be obtained on all bands. 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. So239 socket. End-fed horizontal wire, an EFHW, offers the perfect solution for a wide range of ham activities. Each handles full legal limit power. 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. Guaranteed by Fri, Sep 11. 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. Most commercially-made G5RV. For each model the inductance and capacitance values of three alternative impedance matching networks are computed to match to a 50-ohm line. An Extended Double Zepp (EDZ) is a 5/4 wavelength center-fed dipole, i. We tested seven OTA models to find out which is best. It might seem that an "end-fed" is a monopole antenna: there is no explicit "counterpoise" in most end-fed designs. Wegens vakantie gesloten tot 15-9. A few days ago I started building one. Counterpoise wire(s) close. VSWR of the six-band CL-OCFD on 80 m and at a height of 16. 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. Full size dipole for 75/80 meters @ 138 feet long. • The G5RV was originally designed as a 3 /2 antenna for use on 20 meters. 95 Saturn Fan Dipoles $159. - Great performing antenna, very surprised. End-fed antenna un filo e 1/4 d'onda per i 160 metri e cioe lungo 40 metri. HFedz Delta Loop 17m Monoband HF antenna (200W) Ham Radio Antenna. I am not a mathematician that calculate ohms, coils etc. This is an End Fed Half Wave Long Wire wire antenna that will cover all bands from 80 to 10 met. Full size version with wire length 41m. It is a resonant Half wave on 80m (3. A shortened multi-band End-Fed Half Wave (EFHW) antenna for 80-10m The 80-10m EFHW This is a shortened multiband antenna, about 23m long, for 80m-10m that offers low SWR (1. 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. Bane of my life. The second change we made was to increase the input impedance. This would keep the line better balanced. 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. 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. The feed lines are ¾ wavelengths by necessity due to the ½ wavelength spacing. 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. 3:1) on 80m and 40m, and below 3:1 on 20, 15 and 10m. (You can use the above 4NEC2 antenna model to see what happens at specific elevations and bands). End fed 7 band wire antenna for 80m, 40, (20m, 17m) 15m, 12m, 10m. The antenna is rated at 300 watts side band. end (the WI re farthest from the feed point, attached to the end nay be lengthened or Shortened by the Wire. I need some schematics if anyone did it in the past, or any pointers and tips. Off Center Fed (OCF) Antennas Choose from OCF, Vertical, Loops, Zepps, end feds using Palomar Engineers Over-Engineered to Outperform(TM) impedance transformers and feed line chokes for outstanding antenna performance!. 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. Out of stock. It's hard to build one at home for the same money. An Extended Double Zepp (EDZ) is a 5/4 wavelength center-fed dipole, i. 80M End Fed Zepp Antenna. An Extended Zepp (EZ) is an end-fed 5/8 wavelength antenna. W8EWH - First time with new antenna (EFHW that I wish I could get higher) but which allowed me to work 80m for the first time. It is reasonably priced a. 25 wave-lengths. The Hy Power Off Center Fed Antenna is a very efficient and effective multi band antenna. I have worked 90 countries on 160M, 96 on 80M and 303 on 40M with only 100 Watts output with this antenna. (You can use the above 4NEC2 antenna model to see what happens at specific elevations and bands). I can’t stress enough to tune at the antenna and not at the radio. I saw photos that Steve WG0AT had posted on Facebook of his little EFHW, with the matching unit built into a dental floss container, for a light and compact solution. I wanted an antenna that small and lightweight!. It uses 14 gauge copper wire, center insulator is a SO-239 connector enclosed in a custom UV resistanat ABS housing. I wanted high efficiency 40 Meter antenna with low-angle radiation. 6 ohm UNUN Transformer. Conditions on 80m alternated good and bad, but when good, VERY good. 49:1 End Fed Half Wave MultiBand HF Antenna 80m 10m. … Continue reading "Portable Antennas: The EARCHI End Fed". 8m) and covers 80m thru to 10m + all warc bands (TUNER REQUIRED AT THE TX END), the max power is 150 watts pep. The benefit of this is that the OCF antenna is much more efficient in getting the signal in the air, rather than heating the terminating resistors, like on the other two antenna types. 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. The 40 meter 2:1 SWR bandwidth effectively covers the entire band. 5MHz) therefore also resonant on second, third, and fourth harmonics, etc. Ed would you be able to send me a link to your pod cast please. The following tables show the recommended lengths to use for antenna wire based on the bands you wish to cover. One major advantage of this antenna over my resonant end fed is that it does not use any complex matching system, only a 1:1 balun. (Half Size) Ham Radio Antenna: This project gives instruction on how to build my version of the G5RV wire antenna that is used on the 10-40 Meter Ham Radio bands (28MHZ to 7MHZ). ) Bloody antennas. Terminated Sloper Antenna. Narooma - End Fed Wire. A special case of this, is the End-Fed Half-Wave (EFHW) antenna. If you want a very good wire antenna for 40m/80m then this is the one to get. 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. Construction is very…. Balloon will go at the end of the high point. This antenna build was strongly inspired by the well known PAR end fed 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. Coax fed loops will usually have an SWR between 2:1 and 3:1. - Bevestigingsmaterialen zijn van RVS. - Great performing antenna, very surprised. 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. I cut the antenna to 67', use a homemade 1/4" plexiglass T with three slots as strain relief for the antenna's feedpoint. HyEndFed® The Ultimate Wire Antenna sinds 2006. Describe your experience with the HFedz End Fed 6m-40m HF antenna (100W) Ham Radio Antenna and tell us why you give it the rating you did (required). Tuner design. Guaranteed by Fri, Sep 11. The reason for this that my groundplane needs counterpoises or radials. , we do not ship. I am not a mathematician that calculate ohms, coils etc. HFEDZ END FED 10m-160m HF antenna (200W) Ham Radio Antenna - $88. It is a resonant Half wave on 80m (3. 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. 20 Buy It Now 6d 13h. SW HALF SIZE G5RV ANTENNA (10-40M) SUPERIOR POLWEAVE £36. With ATU I. I'll probably build a loaded vertical with top-hat for this beacon if I keep it running. We continue our antenna offerings with this single band, 80m-10m end fed half wave wire antenna. The Par Electronics EF-SWL is an end-fed short wave antenna optimally designed for 1-30 MHz reception. 5MHz) therefore also resonant on second, third, and fourth harmonics. Ed would you be able to send me a link to your pod cast please. Windom, W8GZ, who described it in September 1929 QST. 24 ft) is recommended. This is an End-Fed Half-Wave (EFHW*) antenna for 80/40/30/20/17/15/12 and 10m bands. 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. The three wires that make up the end fed antenna are initially cut over size by 300mm, and cut to reduce the SWR. The first 6ft (1. I will be interested to see if I can get the antenna to tune on 80m!. If fed off center, say at 30%-70% point, impedance is approximately 200 ohms and can be used on multiple bands with an antenna tuner. 95 MBITR Tactical Vest Antenna $124. End-fed wire antennas. This is the 200Ω point, hence the 4:1 balun. Only 1 left! See similar items. Loop Antenna for 10m 35 59. HFedz End Fed 6m-80m HF antenna Ham Radio Antenna. 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. l already have the mono-band 17m wire and also the 40m long wire l am that pleased with them. Poor conditions on 40m. wa7ark 3 What is an End Fed Half Wave Antenna? Let's call it a "EFHW" Works on a similar principle to a Zepp and J-Pole ~0. Model Data by Harmonic The following data are for the far field radiation patterns and 3D color views of an End Fed Half Wave Inverted-V antenna with the high point in the center at 40 feet and the ends about 10 feet over ground. Thanks for looking!!!. Tri-band Delta Loop Antenna for 80m - 40m - 30m 36 60. The Par Electronics EF-SWL is an end-fed short wave antenna optimally designed for 1-30 MHz reception. The antenna is rated at 300 watts side band. A Zepp antenna for coverage of the amateur bands is a different proposition. (50Ω to 200Ω) The antenna is very simple. 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. An End Fed Half Wave Length Antenna is a variation of the much more common half wave length dipole antenna. 300 Watts PEP. Well Built, Thanks! - Great product fast delivery - Item recieved,works as expected - This antenna is great. Unlike many END FED antennas on the market, this one does not require the Antenna Tuner to operate. The antenna is 130ft long, 39. The radiator is 45 feet of genuine #14 black polyethylene coated Flex-Weave wire. HORIZON 4080 Centre Fed Two Band antenna: 40 / 80m Thank you for purchasing our Horizon centre fed dipole. The RadioWavz End Fed Half Wave (EFH) antenna product line was originally designed to provide channelized. wa7ark 3 What is an End Fed Half Wave Antenna? Let's call it a "EFHW" Works on a similar principle to a Zepp and J-Pole ~0. The larger the wire, the wider the bandwidth. Example: 80m/40m/20m/ Etc. I will be interested to see if I can get the antenna to tune on 80m!. (50Ω to 200Ω) The antenna is very simple. I came across the following antenna which covers the 80-10m bands with no traps and just one loading coil. A Zepp antenna for coverage of the amateur bands is a different proposition. It is a resonant Half wave on 80m (3. 30 Meter Antennas End fed 20/30 Meter Antenna-- From W0VLZ Verticals. We at Radio Wavz have one goal, to serve the customer to the best of our ability. The reference antenna is an end fed inverted L with a counterpoise of 60 100' radials. It can be used indoors, outdoors, in the attic, in a garage, etc. HFedz End Fed 6m-80m HF antenna Ham Radio Antenna. With the X65MULTI the. Here we have collected some links to building instructions for 11m antennas on the Internet. - HV END FED 4 band voor 80/40/20/ en 10 meter. The most common is the quarter wave Inverted-L. The RadioWavz End Fed Half Wave (EFH) antenna product line was originally designed to provide channelized. Works with a 4:1 UNUN. Due High Impedance feed point, the antenna is less height dependent. 5kΩ to 3kΩ. There is an extra benefit of a ground connection for an earth rod if required. It has been purposely reduced in length compared to a full sized 80m dipole by the insertion of a 70uH loading coil. Hi folks, Newbie HF Dave here again with an end fed antenna design question. 95 MBITR Tactical Vest Antenna $124. End-fed, half-wave (EFHW) antenna. 5MHz – 57MHz! It is not a 1/4 wave vertical, but an end-fed long wire type antenna with a matching transformer in a vertical position. Tradeoff …. The history and basic theory of this antenna dates back to 1946. If fed at the end (a. ground plane antenna with radials. 40 - 10 Meter HF Stealth-Portable End-Fed Wire Antenna. Attic antennas •Many types of antenna can be mounted in the attic IF you don’t have Radiant Barrier (Tech Shield). If you want a very good wire antenna for 40m/80m then this is the one to get. 5MHz) therefore also resonant on second, third, and fourth harmonics, etc. Description. The key to end fed antenna success is the matching network interface between the long wire antenna and the coax feed line and feed line choke at the transceiver. Off Center Fed (OCF) Antennas Choose from OCF, Vertical, Loops, Zepps, end feds using Palomar Engineers Over-Engineered to Outperform(TM) impedance transformers and feed line chokes for outstanding antenna performance!. Absolutely brilliant end-fed antenna, the build quality is superb and customer service is top notch, Ian is an absolute gentleman to deal with. All Antennas, HF Base, Portable. Example: 80m/40m/20m/ Etc. 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. 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 home of the EFHW - End Fed Half Wave antennas, BALUNs, UNUNs, OCF, and Accessories. 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. How to make an end-fed antenna work Theory and construction of a novel trapless center-loaded off-center-fed (cl-ocf) dipole or windom antenna for the 80, 40, 30, 20, 15 and 10m hf amateur radio (ham) bands. This antenna is 58 ft tall and is mounted on a hinged base. Due High Impedance feed point, the antenna is less height dependent. antenna wire. QTH: Shi-Men Dam, Taoyuan, Taiwan. , 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. Its total length is approximately 135 feet. 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. Several turns of coax were wound on a large diameter plastic tube creating a RF choke at the feedpoint to help reduce this effect. 23-26 Step-by-step tutorial on constructing dipoles for any one of the HF bands from 1. I have worked 90 countries on 160M, 96 on 80M and 303 on 40M with only 100 Watts output with this antenna. The 40 meter 2:1 SWR bandwidth effectively covers the entire band. How to make an end-fed antenna work Theory and construction of a novel trapless center-loaded off-center-fed (cl-ocf) dipole or windom antenna for the 80, 40, 30, 20, 15 and 10m hf amateur radio (ham) bands. These antennas belong to the 'inverted ground plane' family. On 80 meters the antenna has about 40kHz of 2:1 bandwidth and 60kHz of 3:1 bandwidth. HF Multiband Base Antenna - Chameleon CHA SKYLOOP - 6M to 80M. So, I decided that for this winter, the vertical would become a dedicated 80m antenna. ; End-Fed Horizontal Wires (EFHW) cover multiple bands with-out. 102' Radiator length (#14AWG HD stranded copper wire) fed with heavy duty 300 Ohm ladder line. The reason for this that my groundplane needs counterpoises or radials. I'll probably build a loaded vertical with top-hat for this beacon if I keep it running. It is fed with home-made open wire feedline. ; Rugged weather-resistant 50-Ohm matching network. The wire itself consists of 168 strands of #36 gauge woven copper. The benefit of this is that the OCF antenna is much more efficient in getting the signal in the air, rather than heating the terminating resistors, like on the other two antenna types. It consists of 30ft of wire fed into a 9:1 UnUn (Unbalanced to Unbalanced). 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. a EFHW), antenna impedance is in the 2000-4000 ohms range. 300 Watts PEP. The JT-mode activity on 80m isn't nearly as crowded as 40m, but a recent 24-hour map of the same three modes on 80m showed that the antenna has solid coverage across North America, with DX coverage into Europe, Japan, South America, South Africa, Australia and the South Pacific. Using high quality components and built to the highest standards. At only 24 metres in length it will easily fit into most installation scenarios. Vedi Dettagli. 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. Traditionally this antenna is fed with a 600 ohm feed. An End Fed Halfwave Antenna by G3YCC This end fed type of antenna was marketted in the UK and is a useful system for the portable set-up. 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. The easiest antenna to make at home is a resonant half-wave center-fed dipole. If you are on Facebook, there is a lot of good discussion and information available on the End Fed Half Wave Antennas group. The antenna wire is 1. If they weren’t so much fun I’d forget them and take up stamp collecting 🙂. See you next. For a trig summit I use the 1/2 wave dipole fed by 10 metres of RG58AU coax. So, I decided that for this winter, the vertical would become a dedicated 80m antenna. VSWR of the six-band CL-OCFD on 80 m and at a height of 16. It's a 1/4 wave doublet on 80m and 1/8 wave on 160. 53 - All-Bands Antenna. HFedz Delta Loop 17m Monoband HF antenna (200W) Ham Radio Antenna. With the X65MULTI the. Ideal for 80-6m and when used with a good quality ATU a perfect match can be obtained on all bands. Re: An End-Fed Wire Antenna for 80m. Resources listed under Antennas for 80 meters band category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. This step also applies if you 39 re using an externally mounted antenna e. The antenna has a full 300kHz bandwidth on 80m between 3:1 SWR points. End fed 7 band wire antenna for 80m, 40, (20m, 17m) 15m, 12m, 10m. He has tried and have good result for HF all bands and no need to use tuner. Add to cart. The “HOA Buster” is a 10-80M HF gutter antenna. 20 Buy It Now 6d 13h. lots of coax feeding the wire in the middle like in a dipole with the logistical complexities of a very large dipole or the end fed. Do not ground the counterpoise stud when using a counterpoise(s) or radial field. Tuning is needed when switching to another band. 5MHz) therefore also resonant on second, third and fourth harmonics etc. The radiator is 45 feet of genuine #14 black polyethylene coated Flex-Weave wire.