Specialising in new & used Ham (Amateur) Radio, Commercial Two-Way Radio, Marine & Aviation equipments. C-Poles for different frequencies on one pole must be fed with separate feedlines over separate current baluns. A 130 foot length of 12 gauge PVC covered stranded wire slopes up from the ground system to the 40 foot level of the 45 foot tall fiberglass flagpole (about 60 feet of wire length) and then proceeds about 70 feet. This is a lightweight but robust design ideal for portable or permanent usage. 9dBi gain that stands over 100m high and weighs a staggering 40 tonnes. The ZS6BKW Multi-band HF Antenna April 7, 2017 This is the antenna for you guys who want to get on HF effectively and haven’t too much space or cash to throw around. Place a 1:1 Balun on the Antenna end of the Feedline. Wire Antennas. Discover over 151 of our best selection of antenna uhf vhf, male sma, antenna ham radio, antenna bmw on AliExpress. 00 Ex Tax: £120. Then the antenna mast I installed as a replacement fell down in a snow storm. Free Shipping. Cushcraft ARX-2 2 meter Ringo Ranger II Vertical antenna, 135 - 160MHz. NEW 200W PEP VERSION! Easy and fast installation. The HybridDX™ has been tested on 160m with both modern and vintage tuners, including the MFJ-993B IntelliTuner™, SGC SG-239 Smartuner™, Palstar AT2K 2000 HF antenna tuner, MFJ-941E Versa Tuner II, MFJ-969 Deluxe Versa Tuner II, and Ten-Tec 228 and 229 tuners. Loops can be divided into two general classes, those in which both the total conductor length and the maximum linear dimension of a turn are. 5m tall vertical. Recommended antennas. Any antenna for 160m that is not a 1/4 wave vertical or a 1/2 wave wire (80m long) of some sort will be a compromise, for sure, and probably inefficient. With an average antenna height of 10 - 15m above ground, a doublet strapped a as T can give up to 6dB improvement in performance for local contacts on 160m and 2 to 3dB. I found a 30 foot piece of 50 pair telephone cable, and. HFedz End Fed 10m-160m HF antenna (200W) Ham Radio Antenna. 8 The Double Bazooka antenna’s 2:1 bandwidth is only 14% greater than that of a simple dipole, according to the Antenna Book, which calls the antenna “controversial,”9 probably because it has been questioned whether the. However, there are some test results for the EF antennas that I have found useful. High voltage appears at the tips of the antenna and at the bottom of the ladder line. Specialising in new & used Ham (Amateur) Radio, Commercial Two-Way Radio, Marine & Aviation equipments. This antenna just performs. MFJ-1777 Wire antenna, 160m-6m, doublet in Consumer Electronics, Radio Communication, Ham, Amateur Radio, Other Ham Radio Equipment | eBay. The idea is to make a 50' by 50' square if you can, but my loop was a rectangle 70'W by 30'H. However you can build it. The real practical advantage of the small loop compared to say a short vertical whip tuned. Erect the antenna with all of its parts - coil, top and bottom sections - and insert inductors L2 and L3 of Fig. MFJ-1778 G5RV Multiband Antenna Installing The Antenna Please read the following suggestions and examples. This idea of two phased antennas isn't going to make any difference. We hope you find what you are looking for, but if you have any trouble please do not hesitate to contact us. Though the antenna is not a beverage, we've found it to be a good alternative. First testing night QSOs - 21/09/2018. For this example I've chosen 160m. some months ago I attended on the web seminar about the 160m antenna for limited space. CQ Field Day, CQ Field Day. This is an End Fed Long Wire wire antenna that will cover all bands from 80 to10 meters, including t. I worked 100 countries (entities) in only 18 hours of operation with an antenna only 69 feet long. My Carolina Windom Antenna 160M Special. If it's more local contacts you want, then a good dipole or a loop is hard to beat. Design Software. 139 - Twisted Loop Antenna for 160m. connect the coax and start screaming. HORIZONTAL LOOP ANTENNA CONSTRUCTION. The eight circle array is antenna devoted for reception on 160m band only and designed with elements separation 0,65wl ( 107m ) and 120deg. The only expense was a reel of enameled copper wire of. Preparing for the new season, I designed and built a top loaded vertical antenna for 160m in 3V8SF location. Inverted U antenna for 160m An inverted U wire antenna for 200 meters and down 160 meter sloper antenna The 160-meter sloper system at K3LR 160/80M Mammoth Beam A full size 160M 3 element beam antenna and a 80 m 5 element beam antenna on a 330ft Tower Bruce arrays for 80 and 160m Antennas with gain and bandwidth for 80 and 160 meters band. the 160m inv-L is attached with an insulator to a wooden pole, which in its turn is attached with some wire to the tower almost at 12m height. Linear Loaded Sloper Antenna for 160m 43 68. 81 - Inverted-L for 160m. 40/20 meter trap inverted vee made with RCA #24 speaker wire. It is commonly known as: "The Screwdriver Antenna" The antenna uses a wide-band unbalanced to unbalanced matching transformer to match the low impedance of the antenna to the 50 ohm output of your transceiver. If the vertical wire is attached at one end, it is called an inverted L antenna. 3-Element 160-Meter Array at, KC1XX. The Start - HF Copper Loop for 40, 80 and 160m VK4AMZ; A method for initial ground loss estimates for an STL; Small 'Magnetic' Transmitting Loop Antennas (STLs) A tuned magnetic loop antenna for 20 and 30 metres; Multi-Band 4 Foot Magnetic Loop with Gamma Match; ON6YC Magnetic Loop and Gamma Match; Helically Loaded Magnetic Loop Antenna Detail. The integral broadband impedance matching network (transformer 5:1) allows broadband antenna tuning. 210cm and 8 x 430MHz YAGI 7 el. The Sloper. M0CVO Antennas, amateur radio antennas for fixed station or portable operations, HF/6m all are catered for. Most of the current transceivers with a built-in automatic tuner will tune a CAROLINA WINDOM® on all bands. The antenna has a full 300kHz bandwidth on 80m between 3:1 SWR points. EZNEC plots I have produced for the four antennas used in the tests. I can cover the bottom 60kHz of the band at present and will probably make the fourth switch tap for 160m be up high in the phone band for keeping in contact with regional friends. Notice: Undefined index: HTTP_REFERER in /home/vhosts/pknten/pkntenboer. I have worked 90 countries on 160M, 96 on 80M and 303 on 40M with only 100 Watts output with this antenna. Raising the antenna above ground over a counterpoise of elevated ground wires can increase efficiency and input impedance. Butternut HF9V as a ham radio ALE HF antenna. MFJ-2990 HF 160m-6m Vertical antenna, 43ft Tall, Handles 1500W Max Get 160-6 Meters Coverage and 1500 Watt Operation with a single antenna! This MFJ-2990 is a 43-foot self-supporting vertical antenna that covers 160 through 6 Meters with the use of an antenna tuner. View Notes - loop-antenna. Vertical Antennas products from Ham Radio. The other side of the SO-239 is attached to a horizontal half-wave phasing line and then connected to another vertical element (1/4-wave) aiming down to the ground. 823A-Balun, 1:1 Current Type (W2DU) 6. 23-feb-2016 - Hfedz End Fed 10M 160M HF Antenna 200W Ham Radio Antenna | eBay. Built in 2006 on the BBQ bench, I decided to rebuilt it today. This page documents both these antennas for anyone interested. Extremely strong solderless crimped construction. Cushcraft ARX-2 2 meter Ringo Ranger II Vertical antenna, 135 - 160MHz. The normal quarter wave ground plane antenna consists of a vertical radiator which is insulated and centered between 4 horizontal surrounding radials which extend out from the base of the antenna. This combination allows the antenna to be tuned for all but the top 50 kHz (above 1. 0 MHz) band Dipole antenna kit. The base of the vertical was 14 m away from the water, so some radials rested in the water. The designer of this antenna, W1FV, describes the details in a four page writeup. The 43 foot 10-160 meter Multi-Band Vertical antenna is a freestanding vertical element with no traps or coils. Topic: 160m Antenna Question (Read 1328 times) 0 Members and 1 Guest are viewing this topic. Here’s a simple antenna which will get you on the air on top band and 80m (40m as well at a pinch) in a small garden. A 130 foot length of 12 gauge PVC covered stranded wire slopes up from the ground system to the 40 foot level of the 45 foot tall fiberglass flagpole (about 60 feet of wire length) and then proceeds about 70 feet. In December, 2016 K2FF and I decided it was time to add a decent Top Band antenna to the NA5NN contest station. It was apparent that many stations were copying me much better than I could hear them, so something needed to be done. ARRL Antenna Handbook 1990-2007. com] Sent: Sunday, December 07, 2008 9:44 AM To: Scott MacKenzie Cc: [email protected] The cheapest solution for the 160m band is probably a magnetic loop antenna, but do be aware that these antennas are optimised for small space and low cost, and NOT for performance. His 1950 book, Antennas2, is the classic source of information. The coax should be perpendicular to the antenna [ = symmetrical with respect to the dipole legs] for at least the first 1 m (3-4 ft). These tuners always found a match. References: Antenna Toolkit - J. 4 dB 2-el TX vertical w/reflector 7. The antenna is designed to be fed with 50 or 75 Ohm Coax Cable of most any length with a Balun. 160m Twisted Loop Antenna. not bad for 160M DX'ing in suburbia I worked 213 QSO's in total incl. The spacing of reflector from driven element is about 0. Alpha Antenna 10-160M ProMaster Sr. 160m Antenna – Inverted L Posted in Articles. I was looking for an antenna I could install on my 1-acre lot that would perform better on 160M than my Butternut HF9V, and that might provide even some modest gain at right. 160 Meter K5WZ Horse Fence HF Dipole Antenna / 6m-160m. Figure 4 shows a theoretical two-element yagi designed for 75m (3. I entered this data into the 4nec2 software as a new model for analysis. Premium Quality 6-160Meters Multi-Band Ham Wire Antenna. Contributing Member Offline Posts: 820. Free shipping. 140 – DX RX Loop Antenna for 160m. A sketch of a typical helical antenna is shown in Figure 1. 0kW 10m-160m. His 1950 book, Antennas2, is the classic source of information. The antenna itself is tuned to resonance at a frequency higher than the desired operating frequency, in this case 1. Clothesline Antenna 45. For this example I've chosen 160m. Antenna separation will be maximized to the extent possible by providing 150 ft. inverted L, sloper and even zig zag. The antenna is tuned to 50 ohms through a tapped inductor which also makes the antenna DC grounded. In the drawing above, it is shown for just four bands, 80 thru 10. If you want to use a dipole for a band of frequencies, you cut it to the center frequency on that band, and hope it has a low enough SWR at each end of the band. windom ocf models r2010021 eantenna 40ocf1,5 ocf windom 40m 1,5kw. The new Galaxy Dx-86v is a simplified version of the Dx99v2 in a "Cobra 29/Galaxy Dx929"&n. 76 dB • Sharp nulls (40 to 80 dB) broadside • Much less affected by ground and nearby objects than dipole or vertical • Low efficiency (~0. 3-Element 160-Meter Array at, KC1XX. 160 Meter K5WZ Horse Fence HF Dipole Antenna / 6m-160m. Alpha Antenna 10-160M ProMaster Sr. 140 – DX RX Loop Antenna for 160m. The article focuses on the construction of a helically wound vertical (HWV) homebrew antenna for 160 meters. The other side of the SO-239 is attached to a horizontal half-wave phasing line and then connected to another vertical element (1/4-wave) aiming down to the ground. VE2DPE Is a member in good standing of. 0 MHz) band Dipole antenna kit. In fact, all ¼-λ antennas fed against ground require a radial system if losses are to be kept low. MFJ-998RT and 80/160m antenna After the bad experience with the 30m wire terminated by the MFJ998RT autotuner in order to have a dualband 80/160m antenna, I did a new test : This time I used a 42m wired folded as an inverted L with the highest point at 24m. P&L responsibility for the $160M National Security Space, NSS, business consisting of 3 portfolios including: Precision optics, Space EO. Our installation was a 55' tall vertical with 4 top-hat loading wires (also 55' long), which came down at rather steep angles due to the limited area we had to work. It took several attempts including a top loaded vertical of 28 mh with 20 ground radials each 40m long and laid within the property limits. Antenna Research Associates, Inc. 71 - Tower Pole as a Vertical Antenna for 80m. Figure 1 — K1LT Antenna Layout — The lines along the West (left) edge of the field and the lines crossing in the middle are two-wire Beverages. 4335 Steeles Ave. So Rr is approximately 1. This coupler can work up to 15 KW SSB output from 160 m up to 10 m. Page 8: Sloper. Experimenting by slightly by changing the wire length (+ or -) is encouraged to provide the best overall performance for individual installations. Each radial is evenly spaced (90 degrees apart from each other) around the vertical element. Big 2 1/8" bottom section tapers at the top to 3/8 of inch for flexibility, strength and wide bandwidth. It is an antenna system which. 139 - Twisted Loop Antenna for 160m. Transmitters provide oscillating electrical energy on to the antenna which radiates them as electromagnetic waves. 160m Twisted Loop Antenna. Hassall, WA5DJJ #43. 2 snap hooks, a rope cleat, stainless eyehook, a pulley, rope and of course a Flag. K9AY 160M / 80M Receiving Loop Antenna System. CRAZY LOW COST UK ONLY SHIPPING. PVC sections bolted together, and 1/2 wavelength of antenna wire helically wound around the PVC sections. Vertical antennas can be said to be only "half there," the other half being a "reflection" in the ground, which means they rely on the return currents through the ground, via wires radiating from the bottom of the vertical (hence the word “radials"). Buckmaster OCF Dipole Antennas Buckmaster's Best Coaxial Cables Antenna Support Rope Harken Stainless Steel Pulleys Stringliner Reel with 270 feet of Twisted Nylon Line Antenna Wire Screw-on Cable/Wire Clamps Line-Grips RF Chokes CQ Magazine Archives Great Circle (Azimuthal Equidistant) Maps World Prefix and Worked All States (WAS) Maps HamCall. The Antenna actually works very well on other bands with a tuner if needed but I just tested this out of curiosity. Tighten the lock screw on the Yagi collar at the dipole end. The only difference is that the timber mast is replaced with a. transceiver and the companion, mobile whip antenna, the Yaesu ATAS-120 ($325). VERTICAL 3. The antenna length should be about a half wavelength at the lowest frequency of interest for best results. In the NAQP CW contacts were made in 20M (AB, VA, MN, IA, TN, IL, AL & IN). Generating the Correct Antenna Pattern – Optimum Height The correct antenna pattern, shown in Figure 1, is surprisingly easy to generate. Pre-amp for 160M loop antenna: I have found that a low noise pre amplifier for 160m reception through this loop is absolutely essential. If you have a suitably located tree or two and/or a flagpole or like, then go for it. Make sure the top-hat wires are at least 2. If the vertical wire is attached to the center of the horizontal wire, it is called a T-antenna. 2009 Dec 14: The ARC-4 and MFJ-1026 Noise Canceller Comparisons 2009 Dec 11: 160 Meter Contests. My QRO ANTENNA COUPLER – (Z ANTENNA COUPLER). For operation on 160m and 80m it is useful to be able to strap the feeders together to form a T antenna, and feed it against a good ground system or elevated counterpoise. Morgain Antenna is a dual band wire antenna category is a curation of 5 web resources on , Morgain 80-160, Morgain Antenna by DL6GD, Morgain Antenna, the old lady. So, put up an antenna for the winter and get on 160. HFedz End Fed 6m-80m HF antenna (100W) Ham Radio Antenna. High performance custom design, rugged engineering for strong, smart, and XYL approved elegance. On 160m the impedance of a 120 ft zepp antenna is such that even the Palstar antenna tuner cannot accomodate On 160m, the two ends of the feedline are pin Inverted L Antenna for Low Bands - IW5EDI Simone - Ham-Radio. More Antenna Classics - C. 2006) I made the unit No. It is possible to put up a quarter wave wire antenna for the 160m Ham band in a suburban backyard. Fold the RG-59 in half. Wire Antennas. A Simple 160m Vertical Antenna I cannot claim any originality for the design of this antenna nor am I certain from where the design originated, however I can confirm it is easy to build, and a great aerial in practise. SKU: 11-688. I'm a retired engineer, well-traveled, multi-lingual, cosmopolitan sort of guy. It occupies a site of around 29,000 square meters and was built from 450 meters of tower sections, which needed 600 litres of paint!. It also includes our 18m fiberglass pole and guying accessories. Kasakhstan, Greece, Cypress, Turkey and Canada. Shop our selection of Alpha Delta wire antennas, including multi-band sloper antennas for limited-space applications and SWL antennas for superior performance through 30 MHz. It should be a very good antenna for you. 4m 10m 12v 15m 17m 18MHz 21MHz 28MHz 40m 70MHz 160m Amsat Antenna Antennas Anytone AT-588 AO-51 Battery Compare Construction Contest Coupler Dipole DK7ZB Dungeness Efficiency End Fed FT-897D FT-991 FTDX1200 Half Wave HF IC-7200 International Space Station Inverted V ISS Photography Portable quarter wave Secret Nuclear Bunker Slim Jim Space. MFJ-998RT and 80/160m antenna After the bad experience with the 30m wire terminated by the MFJ998RT autotuner in order to have a dualband 80/160m antenna, I did a new test : This time I used a 42m wired folded as an inverted L with the highest point at 24m. Antenna tuner 1500W 10/160M. 99 & FREE Shipping: BB7V Vertical base antenna, 6m-160m, 5-22ft. 71 - Tower Pole as a Vertical Antenna for 80m. 139 - Twisted Loop Antenna for 160m. SKU: 11-688 Category: Vertical Antennas Manufacturer:. Erecting effective 160m antenna on a small lot is a challenge. pdf PDF-Dokument [166. 160m ADD-ON KIT for DX-88. Welcome to Sandpiper Aerials. Whether to use single wire or two wire, bi-amping, depends on personal preferences and the wattage your receiver/amplifier can sustain. Why not try the magic 160m band from your mobile with this antenna. Bryan Sanders QRZ News. We do not normally stock it. deemed mandatory. These things are compromise antennas so don’t expect to work Navassa or Swan island but they will allow you to make contacts. Terminated Folded Dipole Antenna System: 10 Meters through 160 Meters commercial-grade performance, heavy duty construction, and top-notch customer service. This combination allows the antenna to be tuned for all but the top 50 kHz (above 1. 14 shipping. php on line 76 Notice: Undefined index: HTTP_REFERER in /home. Any antenna for 160m that is not a 1/4 wave vertical or a 1/2 wave wire (80m long) of some sort will be a compromise, for sure, and probably inefficient. inverted L, sloper and even zig zag. It occupies a site of around 29,000 square meters and was built from 450 meters of tower sections, which needed 600 litres of paint!. windom ocf models r2010021 eantenna 40ocf1,5 ocf windom 40m 1,5kw. Manual Antenna Tuner 2kW PEP 160m - 6m. 74 - Collinear Array Antenna for 40m, 30m, 20m. HFedz End Fed 6m-80m HF antenna (100W) Ham Radio Antenna. Orders of US $4 or more. 4 dB 2-el TX vertical w/reflector 7. It's about 6' tall - very short stinger. 8 The Double Bazooka antenna’s 2:1 bandwidth is only 14% greater than that of a simple dipole, according to the Antenna Book, which calls the antenna “controversial,”9 probably because it has been questioned whether the. Topic: 160m Antenna Question (Read 1328 times) 0 Members and 1 Guest are viewing this topic. Of course ultimately its performance will depend on the quality of the radial network below it. doc Author: John Miller Created Date: 8/28/2008 6:34:45 PM. Amateur Radio HF Emergency / Disaster Relief Communications. The installation of the dipole occurred in Sep. It took several attempts including a top loaded vertical of 28 mh with 20 ground radials each 40m long and laid within the property limits. Antenna comparison on 160m using QRSS My main antenna utilizes a 50 foot (15m) aluminum mast with a multiband inverted V at the top for 20 thru 10 meters. band-pass type tuner (also functions as a L-type harmonic filter) pre-selector. Title: pic Author: Peter Created Date: 9/29/2009 5:47:59 PM. But performance is down about 8-12db on a dipole on 80m. 4-Square Array for Improved Front-to-Back Ratio, K3LC. Just completed the CQWW 160M SSB contest and i think the antenna has proven itself. Not great DX, but it was the only thing on the bad outside of the USA in earshot and the band was quiet. Low Band DX Antennas •On 80 and 160M, it gets much tougher, but the Inverted L is a very good antenna and can even be used on 160 –30M with a tuner •Its easy to use a 43’ vertical and use a couple wires to make it resonate on 80M •160M is the biggest challenge –on a small lot, its hardly ever “easy”. The Half Square antenna is a wire antenna with two vertical radiators fed in phase. VE2DPE Is a member in good standing of. 1 dB 50º TX 4-square 10. This does NOT take into consideration the type or size of horizontal reflectors, of even if there is a need for them. Free shipping. Big 2 1/8" bottom section tapers at the top to 3/8 of inch for flexibility, strength and wide bandwidth. The Sloper. More Views. 2013 Dual coil current balun 1:4 This is a traditional Guanella-type current balun, used as impedance transformer with high impedance balanced transmitting antennas. 051 wavelength long. Thanks to a small hill beside the house I get the right height and distance to erect the aerial. So, each turn. Parallelkreis-Koppleer fuer 160m. November 2003 i take off to avoid interaction, the 160 m. Bruce KT4ET's new 160M antenna David R. Linear Loaded Sloper Antenna for 160m 43 68. EZNEC plots I have produced for the four antennas used in the tests. The OH8X 160m yagi is a 3-element monster with 12. 20m, 17m, 15m, 12m, 10m, fed by a second coax. We had 1 of this item in stock at the time of the last update. On 20m it is a 1/2wave, On 17-10m it starts to act as a long wire antenna and performance suffers. and has a wind load of just 2 square feet. The 8-Band 300 Watt antenna weighs 10 pounds and the 8-Band 3,000 Watt antenna is 12 pounds. Although this antenna is short for the 160m band, with its top-hat loading it is still very efficient. 2:1 and in most cases will be under 1. HF Portable Antenna 6M-160M. I built a monoband version, though others have built this antenna for multiple bands. The best antenna I have built was a 40m elevated ground plane. RW Antennastore G5RV-SR. 1 Antenna Description The Spiderbeam Model 160-18-4WTH is a base-fed, [electrical] quarter wavelength vertical. Transmitters provide oscillating electrical energy on to the antenna which radiates them as electromagnetic waves. 160M Is a Tough Band • Wavelength makes antennas more difficult –Quarter-wave vertical is 130 Ft –Half-wave dipole is 260 Ft, and it’s “low” at only 130 ft –Verticals need radials or a counterpoise, and they work best if they’re fairly large. 00 - $1,235. The "No-Excuses" 160M Antenna This antenna is designed for stations having a difficult time putting a decent signal on 160M from small or CC&R'd lots. The 43 foot 10-160 meter Multi-Band Vertical antenna is a freestanding vertical element with no traps or coils. Although this antenna is short for the 160m band, with its top-hat loading it is still very efficient. 160m Antenna Masts - Northernmost from Mapcarta, the free map. This antenna is designed for stations having a difficult time putting a decent signal on 160M from small or CC&R'd lots. It should be a very good antenna for you. Place a 1:1 Balun on the Antenna end of the Feedline. 8mhz to 54mhz. The measurements below are for building a simple Dipole Antenna. Also used as an 80m radiator for my 80m Spitfire. The Comet H-422 is a 4-Band (10/15/20/40m) rotatable dipole antenna. com or call 800-221-7735. 4 dB 187º 500 ft Beverage 9 dB 80º 2 - VE3DO loops spaced 340 ft 10. inverted L, sloper and even zig zag. Click on a photo for a larger image or use the Slide Show button SLIDE SHOW. My main wire antenna has been a Cobra UltraLite Senior. We have incorporated the M0CVO 9:1 UNUN at the feed point and removed both these problems, creating an antenna that exceeds expectations and provides excellent performance with a small footprint. welded, built with tubular elements ø75 x 2mm thickness (2. Helical Antennas John Kraus, W8JK, is the originator of the helical-beam antenna; as he puts it1, “which I devised in 1946”. My Carolina Windom Antenna 160M Special. The Am-Pro 160 is a great choice and you will be surprised how much you can work from the car. - The antenna is capacitive on 3. The antenna should be tuned for roughly 2000 kHz if the entire band is to be used. It is supposed to be resonant at the base frequency 3,5 MHz and all multiples, that is at 40, 30, 20, 15 and 10 m. Here's a real cheap antenna to make from 160m - 6m and it WORKS!. Im not sure what is happening on 6m. I first adjusted the LC circuit using a 4. is a blend of technical expertise and common sense approach to accommodating your needs. Antennas in an Antenna Restricted Community; Low Band Receive Antenna; 160M Folded Counterpoise; North Augusta Belvedere Radio Club. W3LPL presents Improving 80m and 160m Antenna Performance at the January 2016 Frankford Radio Club meeting. The new AT5K-HP 3500 watt antenna tuner covers 160m to 6m with a power rating of up to 3500 watts PEP. One vertical element (1/4-wave) is fed at the top where it is attached to a SO-239. The DOUBLE BAZOOKA antenna design was first conceived as a radar antenna in the early 1940's for use by the U. hf antennas g5rv dipoles r2010015 eantenna dbz160 doble bazooka 160m. Enter the desired frequency. VERTICAL 3. For our contest group PA6Z we needed some good receiving antennas for the low bands (160m, 80m and 40m). End Fed 80 - 10 meters HF Multi Band Antenna 1. 7 kg) Current drain as low as 150 mA Internal wide-range antenna tuner (ATU) and battery options; built-in speaker Advanced DSP provides dual watch, noise reduction, noise blanking, auto-notch, stereo audio effects Software-defined radio (SDR) architecture plus roofing filters (KXFL3) for. upgrade the 160-meter antenna system. This Dipole Antenna kit includes: 1. The Matching Section is 450 Ohm Open Wire Feedline and is a compromise impedance between the 5/8 Wave antenna elements and the feed point, A 4:1 Current Balun. 7/8” stainless bolts hold the assembly together. 160m receiving antenna - Small Loop - Plan(It is reference in CQ Ham Radio magazine Nov. 8-30 MHz, 1500W PEP, SO-239. Well a good 160m antenna depends on how much room you have on your property. MOBILE ANTENNA FOR 160M. For a while, I used a W3EDP antenna, but to be honest, results were mediocre at best, and since the tuner I used was in the shack, there […]. Post navigation. I have an AM C-Quam AM Stereo crystal controlled Transmitter which is hard wired for 1250 KHz to which I am considering an out door antenna for. A 800 Hz blip is sent once a second to remind the user that the rig is in the "spot" mode. I had always thought a kite antenna would be a fun way to get an antenna in the air for the low bands on SOTA summits. Ultra high quality center fed dipoles will give you trouble-free operation for years. 2 snap hooks, a rope cleat, stainless eyehook, a pulley, rope and of course a Flag. It has modest gain and can be particulary useful on 80 and 160m. 98 Rope = $4. IOTA VHF; IOTA HF; 160m band; 60m band. 21 post • Page:1 of 2 • 1, 2, MOBILE ANTENNA FOR 160M. transceiver and the companion, mobile whip antenna, the Yaesu ATAS-120 ($325). not bad for 160M DX'ing in suburbia I worked 213 QSO's in total incl. 95 Sentinel Hex beam $775. ___The smallest successful , easy to build 160M antenna I've built is a 3/8 wave loop. This idea of two phased antennas isn't going to make any difference. Another antenna added from the antenna plan is a 160 meter ¼ wavelength inverted L. RDF of 160M Antennas (W8JI) Antenna RDF Beam Inv vee 120 ft apex 0. Source: QRZ News Link: 160m Vertical Antenna Homemade. My Carolina Windom Antenna 160M Special. Loop Antennas 5-1 A loop antenna is a closed-circuit antenna—that is, one in which a conductor is formed into one or more turns so its two ends are close together. 160m ADD-ON KIT for DX-88. of phase shift. 4-Square Array for Improved Front-to-Back Ratio, K3LC. 7/8” stainless bolts hold the assembly together. Resonant antennas have far less RFI issues than antennas relying on shack-based matching solutions. Only 2 left. The other side of the SO-239 is attached to a horizontal half-wave phasing line and then connected to another vertical element (1/4-wave) aiming down to the ground. Raising the antenna above ground over a counterpoise of elevated ground wires can increase efficiency and input impedance. The unit No. There is no doubt that for the radio amateur with restricted space for a conventional 160m top-band antenna the small MLA can be a very effective system punching well above its weight, no matter whether the radiation efficiency at the lower end of its frequency range is only a few percent when deployed in a practical real-world environment that. The 1 El 160M rotating dipole is a modifed Force12 Sigma Ultra 160. You will achieve the strongest possible presence at your power level and be competitive with a 160 meter vertical monoband antenna that is only 55 feet tall! Antenna, Vertical, 160 meters, 160m, 5,000 W, Guy Rope. Parallel Antenna Coupler for 160m "Parallelkreis-Koppleer fuer 160m", by Alfred Kluess, DF2BC, as published in the May 2011 issue of the DARC's CQDL magazine on page 332 and 333. First let’s look at the theory. 7/8” stainless bolts hold the assembly together. net; Good for compact installations on a short tower where space is at a premium. pdf PDF-Dokument [166. The base of the vertical was 14 m away from the water, so some radials rested in the water. The antenna length should be about a half wavelength at the lowest frequency of interest for best results. Antenna Research Associates, Inc. M0VEY 160m DX Mobile Aerial I wanted a good 160m aerial to work stations while static mobile. The length of a half wavelength dipole at 1. The eight circle array is antenna devoted for reception on 160m band only and designed with elements separation 0,65wl ( 107m ) and 120deg. Tufts University. For operation on 160m and 80m it is useful to be able to strap the feeders together to form a T antenna, and feed it against a good ground system or elevated counterpoise. Parallel Antenna Coupler for 160m "Parallelkreis-Koppleer fuer 160m", by Alfred Kluess, DF2BC, as published in the May 2011 issue of the DARC's CQDL magazine on page 332 and 333. The Hi-Z 4, Hi-Z 8N, and the Hi-Z 8W products are being sold as permitted under the terms of a. 72 - Clothesline Antenna. 85 Get it as soon as Wed, Sep 9. The sketches below provide the configuration details. This complete kit contains all needed parts for building an effective 160m wire vertical on our 18m fiberglass pole. View Notes - loop-antenna. of phase shift. Social media itself began in 2002 with the emergence of Friendster, which is an application to build cyberspace friendships with a wide scope of the entire world. upgrade the 160-meter antenna system. Raising the antenna above ground over a counterpoise of elevated ground wires can increase efficiency and input impedance. Pre-amp for 160M loop antenna: I have found that a low noise pre amplifier for 160m reception through this loop is absolutely essential. I put it up just over ten years ago and it has served me well. Forgot to add it worked on 10m-40m at full 100 watts. MFJ-998RT and 80/160m antenna After the bad experience with the 30m wire terminated by the MFJ998RT autotuner in order to have a dualband 80/160m antenna, I did a new test : This time I used a 42m wired folded as an inverted L with the highest point at 24m. 468 ÷ freq (mHz) = Length (feet). Discover over 151 of our best selection of antenna uhf vhf, male sma, antenna ham radio, antenna bmw on AliExpress. 3-Element 160-Meter Array at, KC1XX. FOUND THIS SITE USEFUL? GET THE EBOOKS. This coupler can work up to 15 KW SSB output from 160 m up to 10 m. On the 160m loop, it would be about 10ft from the end. single wire for a total length of. 85 Get it as soon as Wed, Sep 9. 5 with no velocity factor. The spacing of reflector from driven element is about 0. Inverted U antenna for 160m An inverted U wire antenna for 200 meters and down 160 meter sloper antenna The 160-meter sloper system at K3LR 160/80M Mammoth Beam A full size 160M 3 element beam antenna and a 80 m 5 element beam antenna on a 330ft Tower Bruce arrays for 80 and 160m Antennas with gain and bandwidth for 80 and 160 meters band. It’s the secondary “Backup” 160m antenna of the Sherbrooke Community Radio Club Inc More precisely, it’s a three wire folded dipole, center fed with 600 ohm, balanced open wire feed-line, purpose built for the VK/ZL Trans Tasman Contest and a direct result of members determination, not to compete with, just a short “Vertical Resister. Page 8: Sloper. The base is made out of four 6” power line insulators sandwiched between two Rohn base plates. The Comet H-422 is a 4-Band (10/15/20/40m) rotatable dipole antenna. 160M has come alive! Overall I'm delighted with the Bobtail performance. Horizontal length: 13 ft approx. 22 Short Dipole Antenna for 40m - 80m - 160m. HF Military. DX Engineering 160 Meter THUNDERBOLT® Vertical Antennas are high-performance antennas specifically designed for use on Top Band. This Dipole Antenna kit includes: 1. I really don’t have room for a full, half-wavelength dipole, so I’m looking for options. 2 Element Vertical Array for 160M and 80M, VK3PA. CRAZY LOW COST UK ONLY SHIPPING. 0:1 or better ; Power handling : 250 Watts. Parallelkreis-Koppleer fuer 160m. The only expense was a reel of enameled copper wire of. The other antenna that W4BXI likes to use on 160 m is a center-fed inverted L using ladder line. The integral broadband impedance matching network (transformer 5:1) allows broadband antenna tuning. Avoid switching wire antennas to work different bands. Though the antenna is not a beverage, we've found it to be a good alternative. Buy MFJ-2990 HF 160m-6m Vertical antenna, 43ft Tall, Handles 1500W Max with fast shipping and top-rated customer service. I found a 30 foot piece of 50 pair telephone cable, and. Inverted U antenna for 160m An inverted U wire antenna for 200 meters and down 160 meter sloper antenna The 160-meter sloper system at K3LR 160/80M Mammoth Beam A full size 160M 3 element beam antenna and a 80 m 5 element beam antenna on a 330ft Tower Bruce arrays for 80 and 160m Antennas with gain and bandwidth for 80 and 160 meters band. It works best when attached to your tower/pole at about the 45-50' level. doc Author: John Miller Created Date: 8/28/2008 6:34:45 PM. 1 Antenna Description The Spiderbeam Model 160-18-4WTH is a base-fed, [electrical] quarter wavelength vertical. Linear Loaded Sloper Antenna for 160m 43 68. shoke antenna output. Initially I used it on 10-160m with an LDG AT-100Pro and my IC-718 and later with a Kenwood AT-230 and my TS-830S. 160 Meters PAGE UPDATES 2013 Jan 14: Updated information regarding my new 160 transmitting antenna. Spot switch to allow setting precise TX spotting. Figure 4 — MMANA-GAL v. Build your own. The antenna I run now is a 130-foot center-fed dipole at 40 feet, with ~154 feet (5/8ths-wave @ 3. Curtain Zepp Antenna for 40m, 30m, 20m. The RP-160M have two black and 2 red posts that will allow bi-amping. The Hi-Z 4, Hi-Z 8N, and the Hi-Z 8W products are being sold as permitted under the terms of a. 0 at 1825MHz 1. Design Software. in 15M (IN) and 160M (MA). This antenna is designed for stations having a difficult time putting a decent signal on 160M from small or CC&R'd lots. ARRL Antenna Handbook 1990-2007. I am trying to figure out how to get another one and get it “portable” for field day (I need to figure out the financial […]. The antenna feedpoint impedance of the EWE varies between 300 and 700 Ohms. The Hi-Z 8A patterns below. The 8-Band 300 Watt antenna weighs 10 pounds and the 8-Band 3,000 Watt antenna is 12 pounds. If it's more local contacts you want, then a good dipole or a loop is hard to beat. Free shipping. The online shipping calculator will not be accurate on this item. 73 - Curtain Zepp Antenna for 160m, 80m, 40m. I had a Carolina Windom antenna up for nearly 10 years before a vicious wind storm brought it down, smashed the matching transformer and cracked the line isolator. some months ago I attended on the web seminar about the 160m antenna for limited space. 160m Antenna Question. 7, 494, and 983. 4 dB 187º 500 ft Beverage 9 dB 80º 2 - VE3DO loops spaced 340 ft 10. It works well on both 80 and 40 at 1kw. Single Operator 2 Radio SO2R. The Cap Hat makes the rod appear electrically longer and this improves overall efficiency on the Top Band. The larger the wire, the wider the bandwidth. • 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. 22 Short Dipole Antenna for 40m - 80m - 160m. The larger the wire, the wider the bandwidth. If you have antenna restrictions, neighbors that tend to complain about antennas, simply want to operate without drawing attention…or you want a lightweight multi-band antenna to use in portable or emergency situations, the CHV-5X is a great choice. The perfect, high performance antenna. I have worked 90 countries on 160M, 96 on 80M and 303 on 40M with only 100 Watts output with this antenna. The classic OCFD is fedat 2/3 - 1/3 of the length Both a standard dipole and the. The AT5K-HP is for Hams who already have their own power metering systems, but want the power handling of the AT5K. The Wire Size can range from 16 AWG to 12 AWG. Anybody have any experience with this antenna? It apparently covers 160m to 17m. For the 160m loop To construct the 160m loop you'll need 20ft on RG-59. 1, presented here primariliy for mathematics buffs or those having access to electronic computers. 160 Meter K5WZ Horse Fence HF Dipole Antenna / 6m-160m. Receiving antennas. • The G5RV was originally designed as a 3 /2 antenna for use on 20 meters. Experimenting by slightly by changing the wire length (+ or -) is encouraged to provide the best overall performance for individual installations. Thanks to a small hill beside the house I get the right height and distance to erect the aerial. The Horizontal Loop, also known as the Loop Skywire Antenna, is an old but very effective design. It took several attempts including a top loaded vertical of 28 mh with 20 ground radials each 40m long and laid within the property limits. My system consists of a 288' 160m Doublet fed with 600 ohm Balanced Ladder Line. 6m yagi covering 50 to 54 MHz. The Half Square antenna is a wire antenna with two vertical radiators fed in phase. Well a good 160m antenna depends on how much room you have on your property. 0 MHz) band Dipole antenna kit. 160m Wire Vertical kit including 18m fiberglass pole kit for building an effective 160m wire vertical with 4 top hats - including 18m fiberglass pole - 388,94 EUR incl. Icom IC-9700. My Longwire Antenna In the fall of 2013, friends K9FN and N9FN shared some experiences they had using a longwire antenna that incorporated a 9:1 unun made by Balun Designs. 8 The Double Bazooka antenna’s 2:1 bandwidth is only 14% greater than that of a simple dipole, according to the Antenna Book, which calls the antenna “controversial,”9 probably because it has been questioned whether the. 73 de K5WZ. On 160m the impedance of a 120 ft zepp antenna is such that even the Palstar antenna tuner cannot accomodate On 160m, the two ends of the feedline are pin Inverted L Antenna for Low Bands - IW5EDI Simone - Ham-Radio. band-pass type tuner (also functions as a L-type harmonic filter) pre-selector. I first adjusted the LC circuit using a 4. His 1950 book, Antennas2, is the classic source of information. If you're into DX, then you'd probably want to construct some kind of vertical and possible a couple of beverages for reception. It is unexpectedly soft and mushy and will be broken by a strong wind. Keep in mind that every end fed / vertical needs some kind of counterpoise to push against and in this case that's the coax , so don't forget a line choke near to your transceiver. 160m Top Band 160m (top band) is challenging due to the physical logistics of a suitable antenna. 160M Inverted L In December, 2016 K2FF and I decided it was time to add a decent Top Band antenna to the NA5NN contest station. Following on from an article in Practical Wireless Feb 2004 by GM0ONX which showed how to build an 80/40 trapped inverted L antenna I modified the design to cover 160/80/40. 24 Flag = $5. Loop antenna characteristics • Same free space pattern as a short dipole • Directivity factor 1. The 43 foot 10-160 meter Multi-Band Vertical antenna is a freestanding vertical element with no traps or coils. Design Software. Make sure the top-hat wires are at least 2. We do not normally stock it. The sharp tuning of most 160m antennas suggests that common mode currents will often be a problem as one tunes away from the antenna’s resonance and the reactance increases. 95VF) of 4-inch open-wire ladder-line, to a 1:1 bifilar-wound choke in a 989D tuner. The AMSAT News Service bulletins are a free, weekly news and information service of AMSAT North America, The Radio Amateur Satellite Corporation. 85 MHz is approximately 253 feet (each side would be about 127. Shop our selection of Alpha Delta wire antennas, including multi-band sloper antennas for limited-space applications and SWL antennas for superior performance through 30 MHz. Inverted U antenna for 160m An inverted U wire antenna for 200 meters and down 160 meter sloper antenna The 160-meter sloper system at K3LR 160/80M Mammoth Beam A full size 160M 3 element beam antenna and a 80 m 5 element beam antenna on a 330ft Tower Bruce arrays for 80 and 160m Antennas with gain and bandwidth for 80 and 160 meters band. It weighs just 20 lbs. MFJ-1777 Wire antenna, 160m-6m, doublet in Consumer Electronics, Radio Communication, Ham, Amateur Radio, Other Ham Radio Equipment | eBay. W3LPL presents Improving 80m and 160m Antenna Performance at the January 2016 Frankford Radio Club meeting. On 160M the antenna exhibits better S/N than my DX engineering 4 square receive array. net; Good for compact installations on a short tower where space is at a premium. Practical Antenna Handbook - J. EZNEC plots I have produced for the four antennas used in the tests. 160M DIPOLE ANTENNA KIT *** TO BUY WITH CONFIDENCE, YOU ARE GETTING PAYPAL PROTECTION ! *** This is the ONE single 160 meters (1. If the vertical wire is attached at one end, it is called an inverted L antenna. My plan is glue the helical wind after field testing and final standing wave measurements are taken. Authentic glazed ceramic end. PVC sections bolted together, and 1/2 wavelength of antenna wire helically wound around the PVC sections. compressed delta loop apex 123 foot high, vertical feed, I had non very good result with the shunt feed tower, we are here in a poor conductivity groud area and also I could not put many radials as a should I wish due to lack of room, this 160 m. Social media itself began in 2002 with the emergence of Friendster, which is an application to build cyberspace friendships with a wide scope of the entire world. The measures used were exactly one half of those used for the W3EDP: 8. It is commonly known as: "The Screwdriver Antenna" The antenna uses a wide-band unbalanced to unbalanced matching transformer to match the low impedance of the antenna to the 50 ohm output of your transceiver. The antenna is tuned to 50 ohms through a tapped inductor which also makes the antenna DC grounded. As well as the radial system the antenna is 1-2 miles from the Sea and on a bed of wet clay. The online shipping calculator will not be accurate on this item. Erect the antenna with all of its parts - coil, top and bottom sections - and insert inductors L2 and L3 of Fig. M0VEY 160m DX Mobile Aerial I wanted a good 160m aerial to work stations while static mobile. 160M Is a Tough Band • Wavelength makes antennas more difficult –Quarter-wave vertical is 130 Ft –Half-wave dipole is 260 Ft, and it’s “low” at only 130 ft –Verticals need radials or a counterpoise, and they work best if they’re fairly large. Summary of Styles and Designs. The Antenna actually works very well on other bands with a tuner if needed but I just tested this out of curiosity. The antenna impedance matching components (BOX “Z” above) to match the antenna impedance to the coax line impedance (usually 50 ohms). Stealth Flagpole Antenna and DX Vertical Antennas for HF radio at home, HOA or remote ham radio. 75 - 160m Inverted Delta Loop. Our installation was a 55' tall vertical with 4 top-hat loading wires (also 55' long), which came down at rather steep angles due to the limited area we had to work. This item MFJ-1777 Wire Antenna, 160m-6m, Doublet MFJ Enterprises Original MFJ-1778M G5RV Junior Wire Antenna 40-10 Meters, 52 Ft Long MFJ Enterprises Original MFJ-915 RF Isolator 1. Page 8: Sloper. On all bands below 20m the coax is connected to the mast, which is insulated from ground, and fed as a top loaded vertical. not bad for 160M DX'ing in suburbia I worked 213 QSO's in total incl. Various antenna designs. Design Software. The very low efficiency of the loop antenna is only compensated by its ability to reject noise , which in the suburban envoironment is extreme. The main antenna for the 160m band is a 39m high vertical. Hi Every one,. A 160M vertical antenna for smaller suburban sites by ralph klimek VK3ZZC Feb 2011 abstract: a reproducible short vertical antenna for 160m, using a "resonant" top hat using readily available aluminium stock and hardware featuring tilt over erection, a base insulator permitting easy feedpoint matching and total height no exceeding 7 meters. I am fortunate to be at 840 ft. Following on from an article in Practical Wireless Feb 2004 by GM0ONX which showed how to build an 80/40 trapped inverted L antenna I modified the design to cover 160/80/40. Shunt Feed Tower I'm using till 1999 to make place to an one el. I had a Carolina Windom antenna up for nearly 10 years before a vicious wind storm brought it down, smashed the matching transformer and cracked the line isolator. The unit No. 20m, 17m, 15m, 12m, 10m, fed by a second coax. For the best all-around performance with an amplifier and 80M, we highly suggest our 7-Band 3,000 Watt. There is no doubt that for the radio amateur with restricted space for a conventional 160m top-band antenna the small MLA can be a very effective system punching well above its weight, no matter whether the radiation efficiency at the lower end of its frequency range is only a few percent when deployed in a practical real-world environment that. Dutch News! 2019. AW07A HF + VHF + UHF 160M Impedance SWR Antenna Analyzer For Ham Radio L/ C - $13. 140 - DX RX Loop Antenna for 160m. 9 dB 360º K9AY, VE3DO Loop 7. For example, the 2:1 SWR curve for the cage antenna on 80 meters is only 287 kHz, according to the Antenna Book. I wanted to use this Antenna System on all bands, so the feed line impedance range I needed to match would probably range from around 50 ohms to over 1200 ohms. Free shipping. It's about 6' tall - very short stinger. Antenna is an electrical device used to convert electrical power in to radio waves and vice versa. We’re talking about “reasonable” heights on a given band as discussed in the antenna literature. Summary of Styles and Designs. RF-Choke. inverted L, sloper and even zig zag. Thanks to a small hill beside the house I get the right height and distance to erect the aerial. Reviewed by Bob Allison, WB1GCMAssistant Laboratory [email protected] 8-30 MHz, 1500W PEP, SO-239. 8:1 for 160m - 10m. The 160m vertical is fed with about 325' of 1/2" hardline coming from the 40m tower So2r antenna switch. hf antennas g5rv dipoles r2010015 eantenna dbz160 doble bazooka 160m. What started out as an 8 band antenna now covers 11 bands. 0kW 10m-160m. The sharp tuning of most 160m antennas suggests that common mode currents will often be a problem as one tunes away from the antenna’s resonance and the reactance increases. 1 Antenna Description The Spiderbeam Model 160-18-4WTH is a base-fed, [electrical] quarter wavelength vertical. It was apparent that many stations were copying me much better than I could hear them, so something needed to be done. Harvest X-5000 144/440/1200MHz (2m/70cm/23cm) Tri-Band Base Antenna. I'm a retired engineer, well-traveled, multi-lingual, cosmopolitan sort of guy. Schofield Middle School – SCETV Video; Schofield Middle School – Feb 2016 School Club Roundup. Inverted Delta Loop. 40/20 meter trap inverted vee made with RCA #24 speaker wire. Cushcraft ARX-2 2 meter Ringo Ranger II Vertical antenna, 135 - 160MHz. On all bands below 20m the coax is connected to the mast, which is insulated from ground, and fed as a top loaded vertical. MFJ-2990 HF 160m-6m Vertical antenna, 43ft Tall, Handles 1500W Max Get 160-6 Meters Coverage and 1500 Watt Operation with a single antenna! This MFJ-2990 is a 43-foot self-supporting vertical antenna that covers 160 through 6 Meters with the use of an antenna tuner. Keep in mind that every end fed / vertical needs some kind of counterpoise to push against and in this case that's the coax , so don't forget a line choke near to your transceiver. Para-cord and coax in photo not included. It is supposed to be resonant at the base frequency 3,5 MHz and all multiples, that is at 40, 30, 20, 15 and 10 m. 20m monoband yagi. It is a 25 ft. com Subject: Re: [TowerTalk] 160M Antenna - Ideas If you have a support for the loop that is 560 feet tall then you don't need an inverted L; you can at the least put up a. coaxial feed lines. nl/private/y5lie/kks2mfneh8sm0w. Homebrew Tuner. $669 plus $59 shipping The CTR6-160 Auto Controller. This antenna ships 70' in length and will be trimmed back to 68' or less on installation. Given the small size of my garden even a long wire contorted with lots of bends wouldn’t easily fit. I first adjusted the LC circuit using a 4.
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