Free Shipping by Amazon. The end fed long wire project. | eBay End Fed EFHW-8010-1K 80M-10M wire antenna with installation kit 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. This last part, including the entire antenna, only participates for the lower frequencies. End Fed Antenna, 160 Meter Antenna, 10 Meter Antenna, Band Plan 10 Meters, Ham & Amateur Radio Transceivers 160 Meters Frequency Band Plan, 2 Meter Antenna, 6 Meter Antenna, AM Ham & Amateur Radio Transceivers 160 Meters Frequency Band Plan, 40 Meter Antenna, 2 Meter Mobile Antenna I feed the antenna with a short length (less than 16 feet) of RG-8X through a RemoteBalun® (current balun) made by Radio Works. 99. That meant most of my signal was going up, not out. The end fed antenna is essentially half a dipole, it uses a good earth connection to complete the arangment. 80/160 instructions followHam Radio Pair of Antenna Traps 80/160m Low Swr. End insulators are supplied making suspension easy. HyEndFed® The Ultimate Wire Antenna sinds 2006 . The UV resistant ABS plastic housing encloses an efficient matching network allowing the antenna to be fed … $99.00. 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. In this article I will try to share my experience with the end fed long wire antenna. 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. 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 black dots represent exact harmonics of the 3.57 MHz fundamental resonance. 468 ÷ freq (mHz) = Length (feet). I am not a mathematician that calculate ohms, coils etc. 4.3 out of 5 stars 53. Can be used as a end fed shortwave antenna to provide continuous coverage from 500 kHz to 60 MHz. 2. 1. On a 9:1 end fed, the coax is an integral part of the antenna and radiates about as much as the wire. More coax is good in this case because its more antenna to radiate. However, when I operated on the lowest ham band, 160 meters (1.8 to 2.0 MHz,) performance was sub-par, since the dipole was only 25 feet above the ground, and that’s just a fraction of a wavelength on 160 meters. 160M Is a Tough Band • Propagation quite variable, signals often not very strong, heavy QRN during the summer –Mostly a nightime band, varies a lot through the night –During the winter, 800 miles or more is possible 2 hours before sunset, 2 hours after sunrise The result is a "hybrid" dipole or "ungrounded" vertical amateur radio antenna, depending on your point of view! If you are limited on space to hang an antenna, but still want to use all of the HF bands, thenthe"QSO-KING" is a good choice for you. Alle antennes zijn gemaakt van materialen van zeer hoge kwaliteit en de beste in zijn klasse op het gebied van mechanische constructie en elektrische prestaties. Add your 50 Ohm coaxial feedline, counterpoise, suspension rope and go. Manufacturers of High Quality HF END FED Wire Antennas De trendsetters van de eindgevoede antennes sinds 2006 . $107.95 ... $89.95. With a wire hanging in the air, that impedance is "infinity." In reality, it's probably several thousand Ohms. However, we can reduce the space needed to a quarter wavelength if we decide to use an end fed antenna. Can be used as aend fed shortwave antenna to provide continuous coverage from 500 kHz to 60 MHz.SWL NOTE *** A wide range tunermay be needed to tune this antenna to 160-6meters. An end-fed 1/2-wave reflects its termination impedance back to its feedpoint. The good, the bad.. First of.. The antenna is fed about 87 feet in from one end of the antenna. 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. June 2018 - Updated January 2019. 160 meter full wave loop antenna 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 260' is a really bad wire length for an end-fed antenna and a coax transmission line used on 160m. The Maple Leaf"QSO-KING" is an end fed, multiband, wire antenna that will cover all bands from160 to 6 meters, including the WARC Bands, as … They are 6, 10, 12, 17, 20, 40, 80, and 160 meters. It is important to use a counterpoise. 6-160 Meter J-Pole Jr 34 foot End Fed antenna Posted date: July 19, 2016 in: News No Comments A combination of antenna designs, namely the J‐Pole and Zepp along with Alpha Antenna’s matching network technologies, are utilized to achieve a fairly resonant antenna design that can be tuned on 6, 10, 12, 15, 17, 20, 40, 60, 80, & 160 Meters. Below the antenna used during the PACC 2013. Below is one example of how to build an 80 metre band long wire antenna for … To make the best use of an End-Fed antenna, it should be fed with a transformer. The 160-meter coil plus an 80-meter mobile antenna were placed at the far end opposite the feed point. This formula takes into consideration the capacitive "end-effect" from insulators which shortens the physical length requirement for the equivalent electrical length. 22 Different Wire Antennas for the 160 Meter Band for the 160 Meter Band Random Length Radiator Wire Antenna Delta Loop Antenna Half Delta Loop Antenna Off-Center-Fed Full-Wave Doublet Antenna Terminated Sloper Antenna Double Extended Zepp Antenna 40m - 80m - 160m Short Dipole Antenna 10m … This is an End Fed Short Wire wire antenna that will cover all bands from 40 / 20 and 10 meter.. £58.00 Ex Tax: £58.00 Add to Cart The antenna This 10 - 160 meter tuned horizontal loop antenna is fed with 450 ohm ladder line all the way into the ham shack to an Palstar AT1500BAL balanced line antenna tuner. QSO-KING -- End Fed Multi-band Antenna -- 160-6 meters -- Rated 850 W. PEP !! SWL NOTE *** A wide range tuner may be needed to tune this antenna to 160-6 meters. I test on the fly and learn from that. Sort By: MFJ-1982HP, END FED, 1/2 WAVE, 80-10M, 800W, WIRE ANTENNA. OCF 8 Bands 160-6 HF Windom Antenna Flex-Weave. The antenna has a full 300kHz bandwidth on 80m between 3:1 SWR points. 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. … 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. Add to Cart × OK. But performance is down about 8-12db on a dipole on 80m. My longest-distance contact on the band was only about 1100 miles away. The antenna was tuned for 1840 kHz to maximize FT8 digital mode operation. I discovered antenna computer modeling as an alternative to the cut-n-try methods. 3. Sometimes on 80 meters but there the 80 meters 2 * 20 meter dipole fed with open wire gave me more qso’s. The unique design characteristics of this HF JPole antenna enables it to operate continuously from 10 through 160 meters, with only the use of your wide-band (external) antenna tuner. 1-16 of 198 results for "160 meter antenna" Skip to main search results Eligible for Free Shipping. 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. Hang it up in a hotel window or string it up in the attic. The above graphic depicts the overall layout of the loop antenna consisting of 558 ft. of #16 "silky" stranded wire cut to one wavelength long on $81.99 $ 81. - End-Fed antennas have wild impedance swings. 9. The end fed 1/2 wave antenna, much like the 43 foot vertical, has become a cult phenomena. The OCF160 covers the following ham bands. $13.99 shipping. Add to Cart; RW Antennastore WORLDS BEST 80 Meter Half Sloper End Fed Ham Radio Antenna 1 $89.00. Field testing has revealed that the antenna works well with or without a ground attached. Simply hang the far end from a tree limb–the coax is at the bottom. 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 feed point is just outside my basement shack window, about one meter (3 feet) above ground. END FED. 40 Meter Off Center Fed Antenna 5 Bands With One Antenna During the PACC 2013 I used this antenna for 160 meters. The overall length of the 160-meter off center fed antenna is 268 feet. Before I added 80 meter, I operated that band with a end-fed wire antenna. Of course, I calculate basic stuff, length etc. Earlier experiments with the 160-meter coil consisted of an end-fed 37-foot rain gutter antenna. Add to Cart; RW Antennastore WORLDS BEST 160 Meter Half Sloper End Fed Ham Radio Antenna. End-Fed Wire Antenna 9:1 Non Resonant (5) G5RV Antenna (2) Half Wave End Fed (19) Marconi Inverted L G7FEK (3) OCF Dipoles (Windom) (2) ZS6BKW (3) 2M (3) 4M (3) 6M (8) 10M (32) ... Traps for 80 / 160 meter band Dipole or inverted V tuned as a pair. A standard recommendation (see QST, March 1936, p. 32, "An Unorthodox Antenna") is an 84' long end fed … ... Portable End-Fed / 80-6 Meters/Dipole Antenna/ 300 watts. 10-160 meter 60′ end-fed antenna The Alpha J-Pole Sr Antenna is only 60 feet in length. For the past couple of weeks, I’ve been playing with end-fed wire antennas. End Fed Halfwave. The tower on the right in the picture supports the antenna as described above. So do all antennas, but not at the design frequency - there, at the design frequency, the terminal impedance is quite predictable. The basic formula for determining the length of a center fed, half-wave wire Dipole or Inverted Vee antenna is:. 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.
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