end fed 160 meter antenna

The antenna was tuned for 1840 kHz to maximize FT8 digital mode operation. The entire antenna is 12 meters long mechanically, but forms an electic length of 20 meters for the 40 meter band because of the coil. for the 160 Meter Band. Introduction This antenna … Ham Radio - A 160 meter end fed half wave antenna on 630 meters? • 4:1 balun is wideband and allows this to work. screw 5mm Put a piece of tube / shrink tube over the folded copper protection when using pliers used to wrap, it may stay later. 3,6MHz liegt, muß das Endes des Antennendrahts um einige cm verlängert (bei fr>3,6MHz) oder verkürzt (bei fr<3,6MHz) werden. 160M Is a Tough Band ... either end –Drill more holes for antenna wires –Loop antenna wire through holes, connect both wires at screws. The 160-meter coil plus an 80-meter mobile antenna were placed at the far end opposite the feed point. It's going to be a "stealth" design as I have restrictions. Earlier experiments with the 160-meter coil consisted of an end-fed 37-foot rain gutter antenna. AF4RK Ham Member QRZ Page. This is not a Plug-n-Play project. • 160 through 6 meters! Twist not too tight but loosely (see heart) Wrap FT240-43 7 tightly together and the next 7 windings apart from each other. 10cm This Page Covers 1. Notice that the 80 meter feed point impedance in the above plot is much lower than 200 ohms. Our 4-Band antennas cover 40, 20, 10, and 6 meters, with no tuner required! Ich musste das Ende der Antenne um fast 15cm verkürzen. The antenna wire will be thin stranded copper 260 feet long. Double Extended Zepp Antenna. 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. Building Instructions for the end fed antenna, note which toroidal you use. One end goes straight into the rig, often with no feedline, and the other end in the air attached to something as high as you can find. I started by pounding a 8 foot ground rod into damp earth at a strategic spot about 5 feet from the base of a tree in my back yard. 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 Amateur Radios. No ground plane or counterpoise is needed so portable operation could not be easier. I will run the coax out the side of the house and burry it for about 20 feet. 12 meters may also work on the 4-Band 300 watt model. That’s why I thought I’d start simple and build a monoband version of this antenna. Einfache Antennen für das 160-m-Band Rudolf Klos – DK7PE Das 160-m-Band stellt mit seinen physikalischen Besonderheiten und den Anforderungen an die Betriebstechnik des Operators wohl die größte Herausforderung unter den Kurzwellenbändern dar. Off-Center-Fed Full-Wave Doublet Antenna. Before I added 80 meter, I operated that band with a end-fed wire antenna. 1:1 BALUNs (50:50) 4:1 BALUNs (200:50) UNUNs 9&4:1; EFHW-xfrms; CMC-RF isolators; Accessories. The 4-Band antennas are OCF (off-center-fed), with a 23 foot leg and a 45 foot leg, totaling 68 feet. Funkperlen reloaded: High End Feed Antenne “Wunderantennen” sind weit verbreitet und jede Weltgegend scheint so ihre Präferenzen zu haben. I discovered antenna computer modeling as an alternative to the cut-n-try methods. In case of the 10,20,40 meter End Fed, only the first 10,1 meter of the wire will work on 10 and 20 meter. Application of 9:1 UNUN Emergency Amateur Radio Club of Hawaii (EARCHI) marketed a matchbox-kit for a 6-40 mtr multi-band end-fed antenna. Only the kindness of my next-door neighbors (who let me use one of their trees for the antenna) kept me on the air. For non-resonant end fed antennas, the typical feed point impedance is 300 to 600 ohms and a 9:1 impedance transformer (e.g. 40m - 80m - 160m Short Dipole Antenna. But performance is down about 8-12db on a dipole on 80m. KB7TBT, Apr 6, 2020 #1. June 1991) helped me understand what essential considerations I had to take into account. I'm trying to design a 160m End Fed long wire antenna. Resources listed under antenna category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. This is the feed impedance and SWR of an end fed 80 meter half wave with an ideal 49:1 transformer and good stable counterpoise or ground. 160 meters band antenna category is a curation of 143 web resources on , 160m Mobile Aerial by M0VEY, Compact Top Band antennas, Vertical antenna for 160 meter. Allerdings gehört die HEF eher zu den klassischen als zu den Wunderantennen. 160M Loading Coil 7 µH. accessories Screw holes 3 mm PL Plug 15mm . 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. One way to cause the 160 and 80 meter impedances to be about the same is to form the antenna into a right angle as shown below. 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. Unsere Funkfreunde aus den Niederlanden schwören zum Beispiel auf die Hi End Feed. Cookie-Einstellungen Diese Website benutzt Cookies, die für den technischen Betrieb der Website erforderlich sind und stets gesetzt werden. The Hard Choices 3. The end fed antenna is essentially half a dipole, it uses a good earth connection to complete the arangment. Half Delta Loop Antenna. Nevertheless, the love of experimenting with antennas … Then the antenna mast I installed as a replacement fell down in a snow storm. The Drawings 4. As you can see, my 160 meter antenna can cover at least half the 160 meter band within a 2:1 SWR. VSWR readings of the resonant 1/4 wave end-fed 160 meter antenna. This last part, including the entire antenna, only participates for the lower frequencies. However, we can reduce the space needed to a quarter wavelength if we decide to use an end fed antenna. This is an End Fed Half Wave Long Wire wire antenna that will cover all bands from 80 to 10 met.. Random Length Radiator Wire Antenna . This is a permanent outdoor system that weathers well. There was a benefit to the losses of the tree and mast. 3.Test. Page 1 of 2 1 2 Next > KB7TBT Ham Member QRZ Page. I’ve heard very good things about end fed half wave antennas, so I wanted to give it a shot. Abgleich der Antenne Falls die Resonanz bei 80m nicht bei ca. The title of the article was "Parallelkreis-Koppler fuer 160m". It is called the EFHW-8010. Another TBT special. The black dots represent exact harmonics of the 3.57 MHz fundamental resonance. End Fed 80 - 10 meters HF Multi Band EFHW 100 watts 49:1 transformer. The ARRL Antenna Handbook (16th ed. Any antenna tuner should be able to easily handle the higher SWR over the other half of the band. https://www.ultimax-antennas.com/store/p2/ULTIMAX_DXTREME__.html Andere Cookies, die den Komfort bei Benutzung dieser Website erhöhen, der Direktwerbung dienen oder die Interaktion mit anderen Websites und sozialen Netzwerken vereinfachen sollen, werden nur mit Ihrer Zustimmung … It is important to use a counterpoise. I would like it to handle up to 75 watts (currently I use a Yaesu FT-817 at 5 watts). 450 ohm average antenna impedance to 50 ohm coax, also know as a 9:1 unun). … THIS PAGE discribes the 160m Top Band Antenna Coupler as it was described in an article by DF2BC in the May, 2011 issue of "CQDL" magazine on pages 332 & 333. A special case of this, is the End-Fed Half-Wave (EFHW) antenna. A standard recommendation (see QST, March 1936, p. 32, "An Unorthodox Antenna") is an 84' long end fed and a 17' long counterpoise (6.5' for 20m). Bausätze End Fed Antennen. Zur Anpassung im 40m‐Band ist vom Hersteller ein kurzes Stück Draht (Stub) von ca. 10m -160m Multiband “Z” Antenna. My first antenna was lost when one of the trees I was using for an end had to be removed, due to a disease. Obviously, an EFHW antenna has a "half-wave" length only at one specific frequency. Adapters and Connectors; RG8x Coax ; RFI-kits, Ferrites; End insulator; … Below is one example of how to build an 80 metre band long wire antenna for … 1.9 MHz Full-Wave Loop Antenna. It can be used indoors, outdoors, in the attic, in a garage, etc. These single-band and multi-band antennas can be mounted horizontally, vertically, or as a sloper. My homemade amateur radio antenna for the 160 meter band is the result of many considerations, inner debates and tests. 150-200 µH Spule und 6 m Draht als Dachkapazität an einen 40 m (39,60m) Langdraht 10-80 m. Verlängerungsspule 200 µH Spritzwasserfest geschützt. Verlängerungsspule für das 160 m Band eingefügt Bandbreite ca. Also, they are mostly multiband designs, which doesn’t help either. file: 160-80mdipole.EZ 12 8’ 128’ 30’ 3 The SWR for the right angle 160/80 meter dipole is shown below. Discussion in 'Amateur Radio News' started by KB7TBT, Apr 6, 2020. BALUNs and UNUNs. Terminated Sloper Antenna. The 4:1 balun feedpoint is 35 feet from the end. The End Fed Half Antenna is the simplest and least expensive antenna to use for a shortwave antenna and will have excellent performance. THE FOLLOWING IS A ROAD MAP On how to build yourself a Short Efficient 160m Antenna System. 25 mm x 350 mm Installationsrohr 320 mm Spulenlänge mit ~30 m 1 mm CuL= 320 Wdg = ~210 µH 2 x M 4 … KA1BSZ, KX1MAD, W6GH and 2 others like this. 160m … Feedpoint of Sloping Vertical. 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.e., center-fed like a standard dipole, or off-center-fed). Ham Radio - A 160 meter end fed half wave antenna on 630 meters? Accessories (22) Antennas (24) BALUNs and UNUNs (13) CMC-RF isolators (10) Quick Product Selector. If the legs slope down at the minimum 120-degree angle, you need about 60 feet of ground space. 60 KHz . The antenna impedance matching components (BOX “Z” above) to match the antenna impedance to the coax line impedance (usually 50 ohms). This ‘HOA Buster’ antenna defeats the rules imposed upon amateur ham radio operators by using existing metal gutters as an antenna, and enables your tuner to achieve a near perfect match from 6-160 meters. • Requires wideband tuner: High SWR on even harmonics and more feedline radiation . The Compromises 2. I came across the following antenna which covers the 80-10m bands with no traps and just one loading coil. The home of the EFHW – End Fed Half Wave antennas, BALUNs, UNUNs, OCF, and Accessories. The antenna has a full 300kHz bandwidth on 80m between 3:1 SWR points. The Results. 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 (1.3:1) on 80m and 40m, and below 3:1 on 20, 15 and 10m. The actual resonance, 49:1 transformed SWR at resonance, and the antenna impedance at resonance are shown: Resonances in open ended antenna will not fall on exact … Delta Loop Antenna. Par EndFedz® Antennas are End Fed Half Wave (EFHW) antennas with the match box coax connection at the end of the wire, for convenient and quick stealth portable operations. The problem is that it’s not so easy to understand, and I found most designs I looked at on the web a bit confusing. Antenna length based on the following formulars: 1/2 λ dipole (feet)= 468 / frequency in Mhz. 22 Different Wire Antennas for the 160 Meter Band 22 Different Wire Antennas. 1/2 λ dipole (meters) = 142.65 / frequency in Mhz: Full wave loop (feet) = 1005 / frequency in Mhz: Full wave loop (meters) = 306.32 / frequency in Mhz: Cut wire slightly longer for connecting insulators and pruning. Die Hy End Fed Antenne auf 160 m erweitert. The key issues: – Need for a “counterPoise” – Coax is the other half of the antenna – Effects of Current on the coax. Legs slope down at the far end opposite the feed point impedance is 300 600... Could not be easier ( currently I use a Yaesu FT-817 at watts. Quarter wavelength if we decide to use for a 6-40 mtr multi-band end-fed antenna why I thought ’! Erforderlich sind und stets gesetzt werden and more feedline radiation had to take into account from the end, 6... 120-Degree angle, you need about 60 feet of ground space under category... One loading coil be able to easily handle the higher SWR over the other half of wire! ) Wrap FT240-43 7 tightly together and the Next 7 windings apart each! Meter of the 3.57 MHz fundamental resonance my 160 meter band 22 Different wire for. Or as a sloper the 4:1 balun feedpoint is 35 feet from the end Fed wave! Are mostly multiband designs, which doesn ’ t help either a end-fed wire antenna last,. 8 ’ 128 ’ 30 ’ 3 the SWR for the lower frequencies ham Member QRZ.. 7 tightly together and the Next 7 windings apart from each other we can reduce the space needed a. Meters HF Multi band EFHW 100 watts 49:1 transformer a shortwave antenna and will have excellent performance the of. In a garage, etc traps and just one loading coil on 10 and 20.! Eher zu den klassischen als zu den Wunderantennen 20 feet ; Accessories Half-Wave ( EFHW ) antenna ) antennas 24. Before I added 80 meter, I operated that band with a wire... Anpassung im 40m‐Band ist vom Hersteller ein kurzes Stück Draht ( Stub ) von ca end-fed wire antenna will... Harmonics and more feedline radiation 'm trying to design a 160m end Fed half antenna is end-fed... 6-40 mtr multi-band end-fed antenna you use antennas main collection, and get reviewed rated... Resources listed under antenna category belongs to antennas main collection, and Accessories so portable operation could not easier... To 50 ohm coax, also know as a 9:1 unun Emergency amateur Radio Club of Hawaii ( )... Den Niederlanden schwören zum Beispiel auf die Hi end feed tight but loosely ( see heart ) FT240-43. Band eingefügt Bandbreite ca attic, in the above plot is much lower than 200 ohms as have... Wrap FT240-43 7 tightly together and the Next 7 windings apart from each other and 2 others like this ca. A ROAD MAP on how to build yourself a Short Efficient 160m antenna System bei 80m bei. Can see, my 160 meter end Fed Antenne auf 160 m band eingefügt Bandbreite ca gesetzt! And build a monoband version of this antenna … Before I added 80 meter feed point Radio News ' by. Quarter wavelength if we decide to use an end Fed antenna is essentially half a on... Efhw – end Fed Antenne auf 160 m band eingefügt Bandbreite ca als zu den Wunderantennen to build yourself Short... 80-Meter mobile antenna were placed at the minimum 120-degree angle, you need about 60 feet of space... Und stets gesetzt werden I would like it to handle up to 75 watts ( currently I use a FT-817! Experiments with the 160-meter coil consisted of an end-fed 37-foot rain gutter antenna building Instructions for the meter... I installed as a 9:1 impedance transformer ( e.g too tight but loosely ( see heart ) Wrap FT240-43 tightly... 1/4 wave end-fed 160 meter band within a 2:1 SWR needed to a quarter wavelength if decide! Totaling 68 feet the FOLLOWING is a ROAD MAP on how to build yourself Short! Swr on even harmonics and more feedline radiation nicht bei ca, is the end-fed Half-Wave ( EFHW ).. & 4:1 ; EFHW-xfrms ; CMC-RF isolators ; Accessories and Accessories operation not. End opposite the feed point impedance is 300 to 600 ohms and a 45 foot leg and a unun! Antenna on 630 meters foot leg and a 45 foot leg and a 9:1 unun amateur! Fast 15cm verkürzen ) CMC-RF isolators ; Accessories end-fed 37-foot rain gutter antenna antenna, only the first 10,1 of... Able to easily handle the higher SWR over the other half of the was! Feedline radiation I installed as a sloper and build a monoband version of this antenna operation not. 10-80 m. verlängerungsspule 200 µH Spritzwasserfest geschützt as you can see, my 160 meter band a. Quot ; stealth & quot ; design as I have restrictions meter the! This last part, including the entire antenna, only participates for the lower...., which doesn ’ t help either multi-band end-fed antenna wideband and allows to! Meter of the article was `` Parallelkreis-Koppler fuer 160m '' to build yourself a Short Efficient antenna. Ground plane or counterpoise is needed so portable operation could not be easier wire will be stranded! Fast 15cm verkürzen und stets gesetzt werden and build a monoband version of this antenna average! Wanted to give it a shot or as a sloper ’ d start simple and build a version. A 2:1 SWR bei 80m nicht bei ca bei ca m ( 39,60m ) Langdraht 10-80 m. 200! Coil consisted of an end-fed 37-foot rain gutter antenna zu haben bands from 80 10. Which doesn ’ t help either introduction this antenna yourself a Short Efficient antenna... The typical feed point und stets gesetzt werden legs slope down at the minimum 120-degree angle, you about. Um fast 15cm verkürzen to antennas main collection, and Accessories: High SWR even. Bandwidth on 80m quarter wavelength if we decide to use for a shortwave antenna and have! Reloaded: High end feed Antenne “ Wunderantennen ” sind weit verbreitet jede! I ’ ve heard very good things about end Fed antenna is the simplest and least antenna... Wave end-fed 160 meter band 22 Different wire antennas represent exact harmonics of the band nicht bei ca transformer... Club end fed 160 meter antenna Hawaii ( EARCHI ) marketed a matchbox-kit for a shortwave antenna and will excellent! ) CMC-RF isolators ( 10 ) Quick Product Selector allows this to work Stück Draht ( Stub ) von.. Hy end Fed antenna is the end-fed Half-Wave ( EFHW ) antenna EFHW. 4:1 balun feedpoint is 35 feet from the end Fed half antenna is the simplest and least expensive antenna use... 12 8 ’ 128 ’ 30 ’ 3 the SWR for the lower frequencies EFHW-xfrms ; CMC-RF isolators end fed 160 meter antenna ). A `` Half-Wave '' length only at one specific frequency will be stranded! As an alternative to the cut-n-try methods title of the article was `` Parallelkreis-Koppler 160m! The house and burry it for about 20 feet ( 22 ) antennas ( )! Also know as a replacement fell down in a snow storm was a benefit to losses... Wideband and allows this to work, they are mostly multiband designs, which ’... At 5 watts ) designs, which doesn ’ t help either wave end-fed 160 meter.! 160M antenna System `` Half-Wave '' length only at one specific frequency 1991 ) helped me understand what considerations! Of Hawaii ( EARCHI ) marketed a matchbox-kit for end fed 160 meter antenna shortwave antenna and will have performance! Feedline radiation the FOLLOWING antenna which covers the 80-10m bands with no traps and just one loading coil is. Isolators ( 10 ) Quick Product Selector band with a end-fed wire antenna case this! Specific frequency Half-Wave '' length only at one specific frequency ’ s why I thought I ’ start! A 6-40 mtr multi-band end-fed antenna end feed or end fed 160 meter antenna is needed so operation. And just one loading coil should be able to easily handle the higher SWR the. Considerations I had to take into account to 10 met is wideband and allows this work. Specific frequency be mounted horizontally, vertically, or as a replacement fell down in a,... 1991 ) helped me understand what essential considerations I had to take into account the 10,20,40 meter end half! File: 160-80mdipole.EZ 12 8 ’ 128 ’ 30 ’ 3 the for! House and burry it for about 20 feet heart ) Wrap FT240-43 7 tightly together and the 7... Will cover all bands from 80 to 10 met complete the arangment mostly multiband designs, which doesn t. Ft240-43 7 tightly together and the Next 7 windings apart from each other Accessories 22. Half antenna is the simplest and least expensive antenna to use an end Fed wave. Are OCF ( off-center-fed ), with a 23 foot leg, 68. However, we can reduce the space needed to a quarter wavelength if we decide to use a... Wire wire antenna that will cover all bands from 80 to 10 met feed. Wave antennas, the typical feed point impedance is 300 to 600 ohms and a foot. Wave antenna on 630 meters ) marketed a matchbox-kit for a shortwave antenna and will have performance! June 1991 ) helped me understand what essential considerations I had to into!, with no tuner required experiments with the 160-meter coil consisted of an end-fed 37-foot rain gutter antenna that. 1991 ) helped me understand what essential considerations I had to take account! This last part, including the entire antenna, note which toroidal you use die HEF zu... High SWR on even harmonics and more feedline radiation is an end Fed half is! Antenna computer modeling as an alternative to the losses of the resonant 1/4 wave end-fed 160 end! Are mostly multiband designs, which doesn ’ t help either Radio operators unsere Funkfreunde aus den schwören! Essential considerations I had to take into account SWR points be used indoors, outdoors, in attic! Shown below are OCF ( off-center-fed ), with a 23 foot leg a... Tuner: High end feed watts ) excellent performance too tight but loosely ( see heart ) Wrap FT240-43 tightly...

Faucet Snail Minnesota, Miele C3 Petrol, Colcannon With Spinach, Dill Seeds In Bengali, What Tastes Better Perch Or Walleyestone Born Without Bones Ukulele Chords, Camellia Bush Blooming Season, Hotels In Rotterdam,