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The Hy Power Off Center Fed Antenna is a very efficient and effective multi band antenna. 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. For a coaxial fed, "One.. . One end connected to each lead of the feed line. Horizontal should be a square Vertical can be a square, circle, triangle (delta loop) or rectangle. Can be fed on anywhere along the loop. Mount triangles point down and feed at bottom. Impedance 80 - 150 ohms, use 2 - 1 or 4 - 1 Balun Rhombics.

The HyEndFed multiband Antenna is an antenna for 5 bands 80, 40, 20, 15 and 10 meters amateur band. The antenna can be seen as a dipole except that the feed point is placed at the end (or beginning) of the wire. This allows for more flexible placement options than a dipole. A dipole has three physical points to consider. The ends and the supply. Alpha Antenna. My Hy-Gain AV-640 vertical is finally up This article is really about the assembly and erection of the antenna. Having inherited my late father&x27;s tap-and-die set, I ran a 10-32 die down the 6 Meter stub and corrected the mis-threading problem. The missing 10-32 nuts were no big deal except that it was a 50 mile round trip to Ace Hardware. The end fed antenna is essentially half a dipole, it uses a good earth connection to complete the arangment When an end fed antenna designed for 80 meter operation is used on 1(,0 meters it becomes a Marconi antenna, as shown in Figs (32) doublet with 31 (14) ft of ladder line, then fed with coax.

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I came across the following antenna which covers the 80-10m bands with no traps and just one loading coil. It is called the EFHW-8010 . 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.. HF Half Wave End Fed EFHW Antenna 80-10 meters 62.00 8.75 shipping Only 2 left Rugged Nano Dipole PortableStealthQRP HF Ham Radio Antenna Choose your Band 35.95 to 39.95 Free shipping QRP Portable End Fed (EFHW) 40M 20M 15M 10M No Tune Multiband Ham Radio Antenna 69.95 Free shipping Military ANGRA-50 dipole kit - all NOS and Unused 350.00. END FED "RANDOM WIRE" HF DIPOLE 91 ANTENNA. STAINLESS 80-6 METERS 150W PEP 79.99 1.00 shipping Portable 50 ohms No Tune End Fed Half Wave Antenna Finished Kits SWR 1.2 USA 18.89 Free shipping or Best Offer 7 Sections Telescopic 74cm AM FM Antenna Portable Radio Antenna Replacement-2pcs 9.91 Free shipping Only 3 left.

Last year I put up an OCF, cut to the length of an 80-meter dipole. It is fed with 52-ohm cable and a 41 balun at the feed point. Here are my SWR results 10 meters lowest at 28.40 12 meters less than 1.3 entire band 15 meters 21.400 - 1.25, rising gradually to 2.4 at 21.000 17 meters less than 15 entire band 20 meters less than 1.4. Feb 10, 2022 If you&39;re looking for a simple, light weight HF antenna for the upcoming ARRL Field Day in late June, then the HyEndFed Field Day 80-10m Antenna may meet your requirements. In this video from Tracy ("Outdoors On The Air"), we get a full field test of this versatile HF antenna in its preferred configuration.. Manufacturers of High Quality HF END FED Wire Antennas. All our antennas are made with very high quality materials and the best of their class on the market in terms of mechanical construction and electrical performance. Because HyEndCompany is committed to the highest level of quality, we do not sell products "on the shelves". All our antennas .. WN5DXP - Cecil&x27;s Amateur Radio Home Page. 20 Meter Mini Yagi - build a 2 element, inexpensive yagi for 20 meters. Long wire antenna random wire - Technically to be a true "longwire" an antenna needs to be at least one wavelength long, but common use of the term by Hams is for any random wire length that is end fed.

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Hy End Fed antennas are half-wave antennas that basically work similar to a Zepp or Fuchs antenna. Minimum handling and a relatively high efficiency. The problem with a lot of. Models for 80, 40 and 20 Meters 99.95 to 159.95 Click on each item photo for more information and ordering OCF-5K80 5KW Multi-Band Dipole 149.95 OCF-5K160 5KW Multi-Band Off Center Fed Dipole 179.95 OCF-3K80 1 KW Multi-Band Off Center Fed Dipole 89.95 OCF-3K160 1 KW Multi-Band Dipole 119.95 Maxcon Wire Antenna Deployment System 139.95. STOCHASTIC INTEGRATION FOR TEMPERED FRACTIONAL BROWNIAN MOTION. PubMed. Meerschaert, Mark M; Sabzikar, Farzad. 2014-07-01. Tempered fractional Brownian motion is obtained when the. About Super Loop Antenna The resource is currently listed in dxzone.com in 2 categories. The main category is Resonant Loop Antennas that is about Resonant Loop Antennas . This link is listed in our web site directory since Tuesday Dec 24 2002, and till today "Super Loop Antenna " has been followed for a total of 69118 times.So far received 34 votes for a total score of 6.2010. The 10 (15)204080 End fed Antenna Kit has a total length of approx. 23 meters. On the 10, 20, 40 and 80 meter band this antenna works without antenna tuner. An antenna tuner is required for the 15 meter band. The antenna has a limited bandwidth on the 80 meter band because the antenna is shortened for this band..

a very good antenna i used for some years is a SCREWDRIVER MOB ANTENNA mounted 3ft above ground, and a squidpole with 30ft wire taped to it, an use the 20x2" SDRIVER coil to resonate the vertical, excellent 304080 antenna, you can then unclip the 30ft wire and attache a shorter wire etc , no end to what you can do got to think out of the box. The 21 SWR bandwidth is 50 kHz on 160 meters and 87 kHz on 80 meters. A 30 foot mast, top hat capacitive load, and a plurality of parallel vertical skirt wires depending from the top hat around.

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  • Testimonial. Hi Bob, Radio Flex-6700 running barefoot -10 to 100 Watts max. Antenna MFJ-1216 - 16080 meter OCFD wire antenna with matching network. Elevation Over 60 feet AGL - fully extended. Installed Mid November 2013 I operate mainly on the digital modes running less than 50 Watts. All of the sudden after a few days operating with this antenna, I start to have RFI and my radio was. SKU This fantastic true full-size 58 Wave 10 1112 Meter vertical antenna from Hy-Gain was a legend in the 70&x27;s . now it&x27;s back to prove its legendary status once again A Full-size radiator with lower radiation angle concentrates power closer to the ground, where you want it. Measures 22 foot, 9.5 inches.
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about 26 feet vertical and 42 feet horizontal. With my IC-703 it tuned 80 through 6 all well below 1.51. I am going to leave the antenna up a few days and make a few contacts. I think the matchbox is terrific. October 2011 My 6 - 40 meter end fed arrived through the UK holiday mail and I departed from my norm of a sloper and. Testimonial. Hi Bob, Radio Flex-6700 running barefoot -10 to 100 Watts max. Antenna MFJ-1216 - 16080 meter OCFD wire antenna with matching network. Elevation Over 60 feet AGL - fully extended. Installed Mid November 2013 I operate mainly on the digital modes running less than 50 Watts. All of the sudden after a few days operating with this antenna, I start to have RFI and my radio was.

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Av-18vs Hy-gain 10-12-15-17-20-30-40-80 Meter Hf (19.7 similar) The hy-gain model 18v-s is a trapless. quot;> I was tempted to use a 41 balun to get a better match from antenna to feedline, but my research revealed that typical 41 baluns do not correctly handle the complex impedances required and their efficiency is doubtful. 188.92 HyEndFed 8 Band 1KW AL Plate 244.07 HyEndFed The Ultimate Wire Antenna since 2006 Manufacturers of High Quality HF END FED Wire Antennas All our antennas are made with very high quality materials and the best of their..

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Hy End Fed Multi Band Mk3 80-10 Ham Radio Long Wire Antenna. Amazon.com Deluxe HF Multiband End Fed Matchbox Antenna Electronics. QRPGuys Portable Multi-Band End Fed Antenna - QRPGuys. End Fed 80 - 10 meters HF Multi Band Antenna 600 watts 91unun with . Multi-band end-fed. The Alpha 6-160 is an HF J-Pole that covers 160 to 6 meters. A tuner (not supplied) is suggested for 160 and 80 meters. This stealthy antenna equals the performance of full-wave dipoles dedicated to a particular band. A combination of antenna designs, namely the J-Pole and Zepp along with matching network technologies, are utilized to achieve a..

Hy-Gains new AV-640 Patriot HF vertical is the best built, best performing and best priced multiband vertical available today. Make full use of your sunspot cycle with the Patriots low angle signal. The AV-640 uses quarter wave stubs on 6, 10, 12, and 17 meters and efficient end loading coil and capacity hats on 15, 20, 30, 40 meters. A portable vertical antenna for 10 to 40 meters, designed for mobile operations can be used in a car as seen in pictures. A modified version for 20 and 40 meters is described too. Build this Novice 4 band vertical Home made vertical antenna for 80 40 15 10 meters ARRL PDF file taken from QST June 1978 The 40 meter Stealth Vertical. HV END FED 10204080M,END FED. Handelsonderneming Veenstra sinds 1997. CG-Antenna Speakers . HV END FED 4 band voor 804020 en 10 meter. Max. Power 400 Watt PEP, SSB. Lengte 22.50 meter. Behuizing Waterbestendig abs IP65 - SO239 Feamale Teflon Connector.

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End loading the F3 40 meter 6.25 dBi 34 -j429 vs 6.23 28 -j421 30 meter 7.53 dBi 63 -j74 vs 7.42 51 -j86 20 meter 8.67 dBi 155 j354 vs 8.48 118 j316 12 meter 10.75dBi 704 -j1167 vs 10.02 2268 -j1565 44 33 Angle of radiation remained identical 6 feet ends. Posted date April 07, 2015 in Antenna No Comments. HyEndFed 5 band for 80,40, 20, (15) and 10 meter. Max. Power 200 watt PEP. Length 23 meter. Enclosure Polycarbonate IP67, 100 UV resistant. SO239 Connector Silverplated. All hardware Stainless steel. Only a tuner needed on 80 meter 50KHz up or down from the centre frequentie.. This is an End Fed Long Wire wire antenna that will cover all bands from 160 to 6 meters, including the WARC Bands, as well as 60 meters and MARS frequencies. It utilizes a 91 UNUN. The Halfer is a "minimalist" End-Fed Half-Wave Antenna for the 7 or 10 MHZ amateur bands intended to provide a very simple to erect yet . The Hy Power Off Center Fed Antenna is a very efficient and effective multi band antenna. The Hy Power OCF80 80 meter version shows a positive SWR dip on the following bands 6, 10, 12, 17, 20, 40 and. The coupler is a tuned impedance transformer, not an antenna &x27;tuning&x27; unit. Stick to the above, and it should be a sure thing Feeding a 21MHz half wave. A half wave vertical for 21MHz. 6.65 metres of wire on a 9 metre fibreglass pole. The coupler is mounted 2 metres up and attached to the top of the fence.

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"The HyEnd Company have released a new antenna , the Field Day 8-band Antenna . This 80-10 meter endfed was designed for portable ham radio operations. Let&x27;s take a look at the antenna , then watch as I utilize it in the 2019 ARRL Field Day Contest. Hy End Fed antennas are half-wave antennas that basically work similar to a Zepp or Fuchs. This 60 foot EFHW (End-Fed Half-Wave) Dipole Element can be added to any Alpha Match. It is versatile and comprehensive, enabling coverage of 10, 12, 15, 17, 20, 40, and 80 Meters. It enhances your Alpha Match over a variety of situations, including matches that are installed for stationary, mobile, base, or portable deployment. Weight.. The Alpha 6-160 is an HF J-Pole that covers 160 to 6 meters. A tuner (not supplied) is suggested for 160 and 80 meters. This stealthy antenna equals the performance of full-wave dipoles dedicated to a particular band. A combination of antenna designs, namely the J-Pole and Zepp along with matching network technologies, are utilized to achieve a.. This makes a balanced system somewhat like the center-fed dipole." Armed with that advice, my old 33-foot (10.06 meters) MFJ fiberglass mast, enough wire for a 40-10 meter vertical (33-feet10.06 meters), wire for the 33-foot (10.06 meters) counterpoise, and 70-feet (21.34 meters) of 450-ohm ladder line, I was ready to build a new vertical antenna.

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The design of the Mystery antenna was inspired by an article written by James E. Taylor, W2OZH, in which he described a low profile collinear coaxial array. This antenna covers 80 to 6 meters with low feed point impedance and will work with most radios, with or without an antenna tuner. It is approximately 100 feet long, can handle the legal limit. The 10 (15)204080 End fed Antenna Kit has a total length of approx. 23 meters. On the 10, 20, 40 and 80 meter band this antenna works without antenna tuner. An antenna tuner is required for the 15 meter band. The antenna has a limited bandwidth on the 80 meter band because the antenna is shortened for this band. Previously I had successfully used the ANC-4 on all HF bands from 40 to 10 meters but not on 80 and 160 meters. The ANC-4 has a "noise antenna gain" adjustment but it does not have enough gain on 160 and 80 meters to boost the noise from my noise antenna sufficiently (my noise antenna is short for 80 and 160 meters) to be equal to the noise.

The EFHW Alpha Sr is an HF End Fed Half Wave antenna that is 60 feet in length. The 2 parallel elements give it its nickname of the JPole antenna. This 10-160 Meter EFHW HF antenna enables coverage of major HF bands (10121517204080 Meters). Use a tuner to achieve a near perfect SWR on these bands, with only slightly limited efficiency on .. Years ago the end fed antenna was the most popular HF antenna type used by radio amateurs. The Hertz antenna is an antenna with an electrical length of a half wavelength at its resonant frequency. 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 end fed half wave. Hustler 5BTV 5-Band HF Vertical Antenna and DXE Installation Guide Packages 5BTV Antenna, Vertical, HF, 5-Band, 80, 40, 20, 15, 10 meters, 1,500 W SSB, 1,000 W CW, 23 ft., w DXE BTV High Perf. Guide, Each Part Number HSR-5BTV.

The Alpha HF Flagpole Antenna is a complete 10 through 40 Meter OCF off-center fed Vertical Dipole antenna. Skip to content. Vertical Dipole Portable Base Mobile Magnetic Loop by Alpha Antenna. Alpha Antenna. Base Antennas. Base End Fed Dipole Antennas; Base Magnetic Loop MagLoop Antennas . HF Vertical Antenna 10-80 meter 31 Foot 199.00. Electrically Short Antennas-The shorter the antenna, the lower the Rr -A Hustler 6BTV 804030201510 meter vertical is 24 feet tall -On 80 meters, it is only 0.092 wavelength long -2Rr decreases approximately as 1(length) -So Rr is approximately 5 ohms -With 10 ohms ground loss, the efficiency is 33 - Assumes no trapinductor losses (trap loss could add 2dB). all bands. AV-640 uses 14 wave stubs on 6, 10, 12 and 17 meters and efficient end loading coil and capacity hats on 15, 20, 30 and 40 meters. AV-620, 349.95.Like Hy-Gain&x27;s famous AV-640 Vertical Antenna but just 22.5 feet tall, weighs only 10.5 lbs. Covers all bands 6 thru 20 Meters with no traps, no coils, no radials yielding. It is called the EFHW-8010. 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. This inductance has the effect of bring the resonances a bit lower, particularly on the higher bands and thus improving the match..

The antenna configuration is shown below. Notice that it resembles an inverted-V with the ends bent back toward the supporting pole. I have previously used this method when building full-size 40 and 80 meter dipoles for tight spaces. Details 11 current balun RG-8X coax length 50 feet Narrow bandwidth - 15-20 kHz. How to build a mono band 80 meter 12 wave wire an. Hy End Fed Antenna; CQ WW DX Contest Rules 2011; A Brief History of the CQ WW Contest; YB All Time CQ WW Records; Low Profile DX Contesting; General Contesting Tips; HF Contesting on a Budget.Ideas, Hints and Tips; 7J4AAL's Full-Size, 5-Element, 80-Meter, Rotary Be. Contest Station UA9PC. The dipole antenna fits these require-ments admirably and is probably the most widely used antenna of all. Unfortunately, on the low frequency bands (80 and 160 meters) it is increasingly difficult to get good DX performance from a dipole due to the problem of getting the antenna high enough (in terms of wavelength). The land-. One 60&x27; end-fed half-wave dipole element for 10-80M Use in lieu of the 13&x27; vertical element and the 25&x27; wire (Image 4) 14.95. 13 foot long, 6 Section, Alpha Mil-Stick Whip Antenna (Image 5) 119.00. On 60 & 80 meters, it&x27;s a receive only antenna, although contacts have been logged. Just remember to place it as high as possible and use.

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We hoisted the free end of the antenna wire approximately 30 feet into a tree. The unun was floating at about 15 feet above ground. A 50 foot run of RG-8X coax connected the antenna into the LDG Z100-plus tuner and then a Yaesu FT-891A transceiver. VSWR analysis of the antenna in the field showed that VSWRs between 3-5.5 from 40M to 10M. Re Putting up a "random" wire antenna for HF bands. FWIW, my experience has been that 73 material is "better" than 43 material for HF transformers and baluns. Another turn or two (above what&x27;s specified for 43 material) could be necessary though. The 43 material might be "better" for 160-meters, AM-BCB, etc. YMMV, of course. The Halfer is a "minimalist" End-Fed Half-Wave Antenna for the 7 or 10 MHZ amateur bands intended to provide a very simple to erect yet . The Hy Power Off Center Fed Antenna is a very efficient and effective multi band antenna. The Hy Power OCF80 80 meter version shows a positive SWR dip on the following bands 6, 10, 12, 17, 20, 40 and. Today I bought a Hy End Fed antenna for the bands 1015204080. The radiation direction will be NNE North-northeast and SSW South-southwest. Better East and West but unfortunately that is not a option. This Hy End Fed is made by a Dutch company. httpswww.hyendcompany.nl The antenna I bought is this one.

A so-called random wire antenna is an end fed antenna This gives me the possibility to work on the 80-meter and 160-meter band, using a CG-3000 tuner 11 Meter Antenna Notions for quarter-wave inverted L on typical home lot I often wonder why anyone would buy such an antenna The Weeknd Xo Emoji Copy And Paste I often wonder why anyone would buy. My Hy-Gain AV-640 vertical is finally up This article is really about the assembly and erection of the antenna. Having inherited my late father&x27;s tap-and-die set, I ran a 10-32 die down the 6 Meter stub and corrected the mis-threading problem. The missing 10-32 nuts were no big deal except that it was a 50 mile round trip to Ace Hardware.

Below are some photos of an experimental setup for 20m that helped me understand what is going on with end fed half wavelength antennas. I first adjusted the LC circuit using a 4.7k Ohm resistor (fig. 9) in the CW portion of 20m to obtain a 50 Ohm match using my MFJ-259B Antenna Analyzer. When the antenna was properly installed I adjusted its length along with a 1m long counterpoise to obtain. This item Hy-Gain AV-18VS 1012151720304080 Meter HF Vertical Antenna 266.94 RG8x Coaxial Cable, CB Coax Cable, 50ft UHF PL259 Male to Male Low Loss CB Antenna Cables, 50 Ohm for HAM Radio, Antenna Analyzer 38.99 DHT Electronics Handheld Antenna Cable SMA Male to UHF SO-239 Female Connectors 6&x27;&x27; Pack of 2 6.50 ham radio equipment. End loading of the lower HF bands allows efficient operation with a manageable antenna height. Introducing the new Hy-Gain PATRIOT-PLUS AV-680 with a fully tunable 3.5-4.0 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.

This makes the image antenna a half wavelength away from the dipole, and 180 degrees out of phase. ladderline fed. elements being only 14 wavelength tall, 38 wave tall supports will. Materials 7m length of 50 ohm RG58AUCU Mil Spec coax 1 50 ohm BNC connector 2 1 metre lengths of 27 mm water pipe (Bunnings) 1 End Cap. The HyEnd Company have released a new antenna, the Field Day 8-band Antenna. This 80-10 meter endfed was designed for portable ham radio operations. Let&x27;s ta. Shown below are the radiation patterns for the Hy Power Antenna Company&x27;s 80 meter off center fed antenna mounted 60 feet above average ground. The red line represents the horizontal radiation pattern and the blue line represents the vertical take off angle. 6 Meter 10 Meter 12 Meter 17 Meter 20 Meter 40 Meter 80 Meter Return to TOP.

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Compact SWRWatt Meter 80-10 Meter Tuner Hy Power Hy Power Hy Power Hy Power . Antenna Rope Micro 11 QRP Balun Micro 41 QRP Balun End Fed Dipoles Black Polyester Code Warrier Bencher RJ-1 Tenba P107 HT Go-Bags Compact Iambic Key Straight Key Carry Case Radio Carry Bags Yaesu ATAS-25 MFJ-1899T HFVHFUHF Field Antenna 80. Economy QRP Antenna 80-40-20-15 End Fed wo a tuner Contributed by John T. Jack) Downey - K0DTQ. A long wire antenna that will load up on 80, 40, 20 & 15 meters without an antenna tuner and without balun coils I originally designed this antenna to fit in my back yard so I could work 80 meter cw using my Heathkit HW-8 QRP transceiver that I. 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. 95 Instructions Satisfaction Guarantee 30 day returns on this item. Actually it&x27;s worked out quite well, working WAS on FT8 and quite a bit of DX on FT8, JT65, PSK & CW. 160-10 Meter W7FG Open Wire Fed Dipole-240&x27; Top Length Dipole With 150&x27; Feed Line; 600 Open Wire Ladder Line; One Conductor from Balun or Tuner to Far End Insulator; No Splices, Solder or Crimping to Fail . Reliability; 96 Nominal Velocity Factor; Nearly Unaffected by Rain, Unlike 450 or 300 Twinlead; Most Efficient Dipole Antenna; USA. Jul 06, 2022 The 10 (15)204080 End fed Antenna Kit has a total length of about 23 meters. From the feed point first 20.4 meter antenna wire then a coil of approximately 110 uH and then another - 2.5 meters wire. The feed point of the 10 (15)204080 end fed antenna kit is a broadband impedance transformer. This means that the end fed wire antenna ..

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The antenna will be resonate at the Amateur bands specified for each model with very low to almost flat SWR. Capable of handling near legal limit without core saturation. The antenna behaves like just like the common dipole but fed in one end . Technical Specs Antenna Tuner; not Required. Frequency Coverage 10-40 Meters 10-80 Meters. Feb 10, 2022 If you&39;re looking for a simple, light weight HF antenna for the upcoming ARRL Field Day in late June, then the HyEndFed Field Day 80-10m Antenna may meet your requirements. In this video from Tracy ("Outdoors On The Air"), we get a full field test of this versatile HF antenna in its preferred configuration..

End-fed wire antennas are a different beast. They are not a half-wavelength long, meaning that, if you choose the length of the radiator wisely, the impedance at the end of the wire will not be as high as the impedance of a half wavelength long wire. In many cases, the impedance can be transformed with the help of a 91 unun (unbalanced input. My Hy-Gain AV-640 vertical is finally up This article is really about the assembly and erection of the antenna. Having inherited my late father&x27;s tap-and-die set, I ran a 10-32 die down the 6 Meter stub and corrected the mis-threading problem. The missing 10-32 nuts were no big deal except that it was a 50 mile round trip to Ace Hardware.

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Today you can buy an end fed from MFJ, LNR, Saga, HEARC and many others advertising on the internet. I purchased a preassembled 10-40 meter end fed antenna (49.00 shipping included to USA-2013 price) handling 100 w from HEARC while my friend Bob K5YB got their kit. Bob said it was a piece of cake to build. The Antenna Tuner will load an End Fed Long Wire effectively, especially if it is cut to aprox. an Odd Quarter Wave-Length of your target band. 186 ft 16.5 ft and 186 ft 33 ft. The entire antenna is 12 stranded insulated copper. The Antenna Tuner is a 1977 HeathKit HFT-9, a small QRP size tuner of the Cap-Coil-Cap double"L" design. A special case of the end fed antenna is the end fed half wave antenna. It is essentially a half wave length of wire fed at one end rather than in the middle as would be the case with a dipole. Its radiation characteristics are similar to a half wave dipole. They have to main attractions 1) ease of setting up and feeding since only one support.

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94 ft of wire center fed with 41 ft of ladder-line, a balun and coax back to the shack. The Off-Center-Fed Dipole Revisited A Broadband, Multiband Antenna QST August 1990, pp. 28-34 A discussion of the Windom and the off-center-fed dipole as multiband antennas. Broad-Band 80-Meter Antenna QST December 1980, pp. 36-37. Feedback, QST February. Stealthy end fed antenna for portable, emergency, permanent locations - 1.8-61 MHz, 500-5000 Watts PEP. Quick setup, no radials, low SWR, neighbor friendly. yet, with the proper length of. Models for 80, 40 and 20 Meters 99.95 to 159.95 Click on each item photo for more information and ordering OCF-5K80 5KW Multi-Band Dipole 149.95 OCF-5K160 5KW Multi-Band Off Center Fed Dipole 179.95 OCF-3K80 1 KW Multi-Band Off Center Fed Dipole 89.95 OCF-3K160 1 KW Multi-Band Dipole 119.95 Maxcon Wire Antenna Deployment System 139.95. Our 80-meter off center fed antenna is a very efficient and effective multi-band antenna. It shows a positive SWR dip on the following bands 6, 10, 12, 17, 20, 40, and 80 meters. For a coaxial fed, "One Antenna Does It All" you can&39;t beat the off center fed antenna. All Stainless steel hardware Completely assembled (balun included).

- End-Fed antennas have wild impedance swings. So do all antennas, but not at the design frequency - there, at the design frequency, the terminal impedance is quite predictable. To make the best use of an End-Fed antenna, it should be fed with a transformer. Here are some photos of one of my 91 baluns. Feb 10, 2022 The N9SAB Ultralight 80-6 meter Off-Center Fed Dipole; HF Portable-Choosing the right antenna; HyEndFed Field Day 80-10m Antenna; Portable Masts For Amateur Radio; Ham Radio-End Fed Half Wave Three Band Antenna; I made a short 80m dipole-linear loading; Ham Radio Finished 80m Band Wire Spiral Loop; 20M vertical dipole-T2LT design; Building a .. The Alpha HF Flagpole Antenna is a complete 10 through 40 Meter OCF off-center fed Vertical Dipole antenna. Skip to content. Vertical Dipole Portable Base Mobile Magnetic Loop by Alpha Antenna. Alpha Antenna. Base Antennas. Base End Fed Dipole Antennas; Base Magnetic Loop MagLoop Antennas . HF Vertical Antenna 10-80 meter 31 Foot 199.00. The MFJ-1778 G5RV type antenna covers 10, 15, 17, 20, 30, 40 and 80 meters. It is 102 feet long with a 33 foot lead in made of 450 ohm ladder line. Termination is an SO-239 jack. This antenna can be erected in a dipole or inverted V configuration. It is assembled and can handle up to 1500 watts. An antenna tuner is strongly suggested.

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. 95 Instructions Satisfaction Guarantee 30 day returns on this item. Actually it&x27;s worked out quite well, working WAS on FT8 and quite a bit of DX on FT8, JT65, PSK & CW. The antenna is a 10 - 160 meter horizontal loop fed with 450 ohm ladder line all the way into the ham shack to an Palstar AT1500BAL balanced line antenna tuner Trapped dipole for 40-80-160 meters Build a space efficient trapped dipole antenna for 40-80-160 meter bands using RG-58 and PVC pipe by W8NX A Practical Antenna for 160 Metres. The antenna configuration is shown below. Notice that it resembles an inverted-V with the ends bent back toward the supporting pole. I have previously used this method when building full-size 40 and 80 meter dipoles for tight spaces. Details 11 current balun RG-8X coax length 50 feet Narrow bandwidth - 15-20 kHz. The EFHW Alpha Sr is an HF End Fed Half Wave antenna that is 60 feet in length. The 2 parallel elements give it its nickname of the JPole antenna. This 10-160 Meter EFHW HF antenna.

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The antenna will be resonate at the Amateur bands specified for each model with very low to almost flat SWR. Capable of handling near legal limit without core saturation. The antenna. EFHW-8010-1K-Plus Multi-Band End Fed Half Wave Antenna. This is an End-Fed Half-Wave (EFHW) antenna for 80403020171512 and 10m bands. Unlike many END FED antennas.

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The Halfer is a "minimalist" End-Fed Half-Wave Antenna for the 7 or 10 MHZ amateur bands intended to provide a very simple to erect yet . The Hy Power Off Center Fed Antenna is a very efficient and effective multi band antenna. The Hy Power OCF80 80 meter version shows a positive SWR dip on the following bands 6, 10, 12, 17, 20, 40 and. The Antron 99 is a half-wave, end fed antenna, identical to a dipole in gain. It is in effect, a dipole, fed at it&x27;s end. A vertical is very good for general purpose operation, local or DX. You will work more mobiles with a vertical than with a horizontal antenna. The horizontal antenna is generally good only for band openings (skip) and DX. X (150 Meters) (frequency in MHz) X10.131 X X2 X-X1 X1 comes from the following equation that given us the feed point impedance of an off center fed half wave antenna. Z (72 Ohms) (Sin (piX1X)2 Setting Z equal to 50 ohms and solving for X1 gives the correct feed point location. MFJ Enterprises Inc,Ameritron,Hy-Gain,Hygain,Cushcraft,Vectronics,Mirage,MFJ,MFJ Enterprises,Antenna,Radio,Ham Radio,Amateur Radio,Tuner,Analyzer,Starkville,Amplifier.

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We hoisted the free end of the antenna wire approximately 30 feet into a tree. The unun was floating at about 15 feet above ground. A 50 foot run of RG-8X coax connected the antenna into the LDG Z100-plus tuner and then a Yaesu FT-891A transceiver. VSWR analysis of the antenna in the field showed that VSWRs between 3-5.5 from 40M to 10M. End loading of the lower HF bands allows efficient operation with a manageable antenna height. Introducing the new Hy-Gain PATRIOT-PLUS AV-680 with a fully tunable 3.5-4.0 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. 4.9. VA3IQ. Rating 2022-08-14. Portable 4 Band Antenna Mini 100 Watt. Time Owned 0 to 3 months. I have used a HyEndFed Multi-band Antenna 8040201510M for about 3 years with great success. After the POTA bug bit and operating Rover in the Ontario QSO party, I decided to give HyEndFed&x27;s Portable 4 Band Antenna Mini 100 Watt antenna a try.

The ULTIMAX Half-Wave End-Fed antennas are the perfect antenna for those that prefer not using an Antenna tuner. The antenna are Half wave length just like the common dipole but fed in one. Multiband antenna It is easier to build a multiband cubical quad antenna, than a multiband Yagi antenna. Higher gain The 2-element quad has almost the same gain as a 3-element Yagi about 7-7.5 dBi. A 3-element cubical quad has more gain than a 3-element Yagi. However, adding quad elements produces diminishing returns.

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MFJ MFJ-1982HP. MFJ MFJ-1982HP END FED HORIZONTAL WIRE ANTENNA , 12 WAVE, 80-10M, 800W. End-Fed Horizontal Wires (EFHW) cover multiple bands with-out traps, stubs, or resonators. End-fed radiators have the unique quality of resonating on the 12-wave fundamental frequency plus oddeven harmonics above.. This makes the end-fed antenna perfect as a multi-band antenna. Just look at the following example 20 meter wire is a half wavelength for the 40 meter band, two half wavelengths for the 20 meter band, four half wavelengths for the 10 meter band and 3 half wavelengths for the 15 meter band. Couldn&x27;t be better, you say Disadvantages. New Listing Antenna, Versa-Tenna End-Fed HF for Elecraft K & KX Series, other QRP rigs. More Than 186 Sold Check our feedback, and on eHam Brand New. 7 product ratings - HY GAIN AV-18VS 10-80 METER HF HAM RADIO VERTICAL BASE ANTENNA INDUCTOR TUNED. C 273.03. Top Rated Seller Top Rated Seller. Hy Gain HF UHFVHFAntennas, dipoles, accessories and rotators . OCF dipole, windom, full wave loop, end fed, inverted L, portable end fed antenna, long wire, SWL antenna, fan dipole, multiband dipole, G5RV and military antennas. expecially 80 40 20 meters bands Hits 6992 Votes 40 Rating 9.24. I came across the following antenna which covers the 80-10m bands with no traps and just one loading coil. It is called the EFHW-8010 . 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 80 Meter DOUBLE BAZOOKA antenna will operate on 80 through 10 meters with . The ULTIMAX-8040 broadband dual band double bazooka for 40 & 80 meters is a fantastic antenna using a newly designed "HY-Q" coax coils that . vhfuhf db, 38-24 mount, mobile mfj 44.95 mfj-1982lp, end fed, 12 wave, 80-10m, 30w wire antenna mfj 79.95. Multi.

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