Spiderbeam Vertical Antenna

Here is the first pass of the antenna analyzer on the new vertical. The 10/15/20 Meter Trap Vertical Antenna: pin. wire antenna vertical antennas. The spiderbeam antenna. My goal was to test this antenna with the feed-point at 1/2 wavelength or about 33 feet for 20m. In contrast to a regular yagi the director and reflector elements are bent in V-shape. It is a directional antenna that provides great performance and does not require a full scale, expensive tower. It took me about 4 hours to build the antenna by myself, and only about 20 minutes to get it mounted and erected, with several helpers. Loaded Quarter Wave Antenna Inductance Calculator. The counterpoise will consist of 4 sloping elevated wires, two behind me, and two going out into the ocean. The design is shown here in collapsed state, installed near a ham shack. Here is image from Masts & Towers, posted by Eveline Jansen, on January 17, 2019, image size: 1293kB, width: 2650, height: 4000, Antenna Mast, Mast Step, Will Mast. 160m/80m Broadband Antenna by K5GP A presentation to CTDXCC September 22, 2008 The 160m/80m broadband antenna design objectives were to have: 160 and 80 m antennas since I had no antennas for these bands, the antennas had to be hidden because of covenant restrictions, open wire feeders would be too visible to be allowed,. Back in 2009, the 3V3S team from Germany have installed an 18m vertical for 80/160 using Spiderbeam poles. The Spiderbeam vertical junction box / radial plate makes building wire verticals very easy. ) got with their VDA and I tried to make similar (but lighter) antennas that can be transported by a single man in his luggage. Vertical Antennas Mono band ¼ wavelength with ¼ wave counter poise or radials or Vertical Dipole that does not require radials. DX Engineering HEXX Beam Antennas are simply the best choice for a small and lightweight directional HF beam antenna Find DX Engineering HEXX Beam Antennas DXE-HEXX-5TAP-2 and get Free Standard Shipping on orders over $99 at DX Engineering!. Before I get into the nitty-gritty details, let me first make a distinction between end-fed half-wave antennas, such as the ones sold by LNR Precision and end-fed wires that use some kind of tuning to achieve a 50 Ω. These are: a 3-element yagi for 20m, a 3-element yagi for 15m and a 4-element yagi for 10m. There were two main reasons to do so. When raised to full height, guy ropes are used to stabilize the mast and beam system. 2011 17:11, schrieb Stein Roar Brobakken: > Hi > > We are going to install a 18m spiderbeam @ LA9TJA for use for 160m > > We been studying different top loading configurations, but we can't have the > wires stringed from the top because it will break the spiderbeam ;) > > So our. Mount them horizontal, vertical, or as a sloper. In Ottawa I use a commercial 5-element tri-band yagi on the telescoping, rotating, 75-ft tower. The Cobweb antenna is a antenna which is easy and fast to install for portable operations, designed by G3TPW. Performances and patterns: As with all other vertical antennas, you need a good ground to get the antenna working efficiently. Working from a 16 foot step ladder to reach all points can be difficult. Spiderbeam Heavy Duty fiberglass poles are perfect for building all kinds of wire antennas. 36-foot Spiderbeam Pole. In this picture, the spiderbeam is temporary assembled on the ground and when all wires are marked i remove all that to wind on the roller. Despite the practical restrictions, I wanted to have a vertical for 40m and 80m as we slide down to the sunspot minimum. The 80M elevated wire vertical array. Antennas @ 1A0C – Hexbeam #2 and vertical 40mts. The Spiderbeam is a 3 element versus a 2 elements for the SteppIr. I was always impressed by the strong signals VP6DX (Ducie Isl. 10m was a little tougher with not the anticipated number of JAs but was still good, with a great run into the US late on Sun. 00GMT on the 40m band. Spiderbeam Fundamentals The spiderbeam is a Tribander Yagi for 20-15-10m. At 40 feet in height, this fiberglass mast is a simple no-compromise way to. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. performs well, but is "a cloud burner," good for local contacts within 500 miles. that a choke is required next to the 4:1 balun for the antenna to resonate on its fundamental frequency of 7MHz. 1 metres up from the feedpoint, leaving 5 metres of wire above that. Log periodic beam antennas are not high gain antennas, they are wide band coverage devices that have gain compared to that of a 3 element beam antenna , designed for one frequency. DF4SA Spider Beam Site Information about the spider beam from its inventor, Con DF4SA. 160-18-4TH. In Ottawa I use a commercial 5-element tri-band yagi on the telescoping, rotating, 75-ft tower. So everything is ready and packed …just a few more days apart from traveling to the heart of the black continent, just a few more days and the 9G5W DXpedition will be in the air. Buddypole, an antenna that fits into your travel bag!. • The band of 40 meters in. At the bottom, it's mounted on a vertical tilt plate that makes working on the antenna easier to deal with, should that be required in the future. Hello Jo, > Last weekend, I finished installing the T-loaded vertical antena using the > 18m Spiderbeam fiberglass pole. 72 - Clothesline Antenna. Portable antennas for use in UK. Spiderbeam Fundamentals The spiderbeam is a Tribander Yagi for 20-15-10m. high strength professional telescopic fibreglass pole; fully extracted length (height) 22m (72ft) transportation length 2. The Spiderbeam vertical junction box / radial plate makes building wire verticals very easy. 160m Wire Vertical kit for 18m fiberglass pole This complete kit contains all needed parts for building an effective 160m wire vertical on our 18m fiberglass pole. N6BT, KE7X and I installed a very similar antenna for the 2007 CQWWCW contest in C6A (C6ARR on 160m). - Uses elevated radials for higher gain. Quads 10-12-15 Meters From IZ7ATH. Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from MFJ Enterprises, Inc. There were two main reasons to do so. Only at eHam. Everything was prepared earlier so they could put up the antenna before their breakfast – which means: before the heat. On 10 MHz the difference is less but the above generally applies. In this picture, the spiderbeam is temporary assembled on the ground and when all wires are marked i remove all that to wind on the roller. I purchased both the 12 m and 18 m roach poles from Spiderbeam with the intention of using them to support inverted V antennas and verticals. Top: 1-1/4" OD x 16 Gauge x 120" Long. He is a past master at creating effective portable antennas quickly, and for little or no cost. I have been waiting for some good conditions to test out a 20m Inverted-V using a 3D printer dipole center and wire insulators. Here we have collected some links to building instructions of 11m antennas on the WWW. Perfect for mounting antennas for TV, Ham Radio, WIFI, Scanner, etc. have vertical for 40m - either separate or as additional element on vertical for 80m 5. Using the 12 metre Spiderbeam mast at home. The spider beam is a full size lightweight tribander yagi for 20-15-10m, made from fiberglass and wire. It is a directional antenna that provides great performance and does not require a full scale, expensive tower. Winter HF Antenna System Here is my handiwork from last weekend. I cut the #18 AWG at 102 feet or 51 feet per side with 31 feet of 450 Ohm window line feeder and 50 feet of coax cable. In the case of the parallel wire version (without traps) the performance can exceed the commercial units. Ham Radio Vertical Antennas : Vertical Antennas Projects Dxzone. Spiderbeam 18m Heavy Duty Telescopic Fibreglass Pole product reviews by real people like you. The ubiquitous 43ft these days seems to be turning into the vertical antenna equipment of the G5RV. A vertical HF antenna offers many advantages—an omnidirectional signal collector and easy to install radiator are two of the biggest. Testing The Spiderbeam 12m Telescopic Fiberglass Antenna Mast August 15, 2017 Julian OH8STN 0. For example a 20/15/10m 1el quad can be installed at 16m height above ground. It utilizes a 9:1 UNUN transformer in order to bring the impedance of an antenna to more manageable values for you antenna tuner. • Increased vertical separation of elements you for optimal performance of 6-20 meters. 5dB down; the tables turn when we look at front-to-back ratio, here the Spiderbeam shows numbers typical for a full Yagi (25. The performance of these antennas can be every bit as good as a multi-band commercial vertical and at a fraction of the cost. with a slinky-dipole as east/west guy's at the 25 ft level. You can feed the antenna with 50 ohm coaxial cable for single band use or connect the antenna to an antenna transmatch (i. This new clamp is superb for mounting the Buddistick (or any small vertical antenna) onto a picnic bench, apartment railing, or hotel window sill. 2019 With the new FAA-450 Antenna Analyzer I have checked the coaxial cables I have. When you're using a ham radio, your antenna is a crucial part of the operation, and a tall antenna can help you pick up a strong signal, which makes it easier to communicate with other radio operators. So this antenna was erected a couple of month’s ago and wow – does it perform!. Buy Telescoping Masts at a great price or buy in bulk and save even more. English: Deutsch. Our equipment consists of a transceiver Elecraft K2, two transceivers Icom IC7300, two OX1000 power amplifiers, one other power amplifier, a vertical for 160 and 80m, a 40m loop, a 30m loop, a Spiderbeam for 20m through 10m, Loop antennas for 20/15/10m, a vertical for 60m as well as a few laptop computers. Can be multiband with traps. AND IF IT WERE PART OF THE ANTENNA, IT WOULD NOT NEED A SEPARATE NAME AND DESCRIPTION! But it does match the antenna and its transmission line (the antenna system) to the transmitter. ost commercial 2-meter repeater antennas with gain fall into two categories: collinear arrays and stacked element arrays, with gains ranging from 3 to 9 dB1. The Spiderbeam needs to be elevated. It uses 4 top-hat wires to reduce the antenna's physical height by electrically lengthening the antenna. The radial wires attach to the base of the tower or, in the case of a tree installation, to the bottom of your vertical wire. Simple Multi‐Band HF Vertical Dipole By DJ0IP, November 2014 Page 3 FEEDLINE: In a perfect world, the feedline should be run at a 90 degree angle away from the antenna. It is not plug and play. N6BT, KE7X and I installed a very similar antenna for the 2007 CQWWCW contest in C6A (C6ARR on 160m). Here we have collected some links to building instructions of 11m antennas on the WWW. He is a past master at creating effective portable antennas quickly, and for little or no cost. First one is for line running to 40mtr vertical (it has LMR 400 25 mtr and 15 mtr lengths), second one is for line running to spiderbeam (it has RG213 25 mtr and 10 mtr lengths) and last one is brand new 15mtr length quality 213 rolled in my shack with one open end. The illustration provided by DJ0IP provides all of the information you need to design, build, and operate this simple, elegant design. Club Equipment Below is a listing of club equipment. So let’s proceed to the Mini-MOXON project at W7XA Linear loading (making a folded back section) is somewhat mechanically complex and can add significantly. My new antenna : 5 elements yagi, 8m boom Spiderbeam or G4ZU. I bring with me W8AMZ 40m wire vertical antenna as well as Spiderbeam asymmetrical inverted vee for 20-17-15-12-10m bands. It is a great antenna for HAM radio operators living in HOA controlled housing, hams desiring a very stealthy RV antenna, Field Day operations, sail boats, portable operating, backyard installations, ARES, RACES, etc. A single person can easily put them up within a few minutes. OCTOBER 11, 2019 — Johannes 5T5PA and Evert 5T2KW inform DX-World that they will be active in October 2019 from a special location in Mauritania from the evening of the 19th until the morning of the 26th. For You Explore. High strength professional telescopic fiberglass pole. The design is shown here in collapsed state, installed near a ham shack. 4 Band Multiband DX Antenna This is the first antenna specially built to operate efficiently at low bands. Quads 10-12-15 Meters From IZ7ATH. There are many choices for hf antennas. How it works: The antenna is fed using 50 Ohm coax via a SO-239 socket at the base of the unit. More info here. I spent quite a bit of time looking at the most popular sub-$1,000 dollar commercial beam antennas on the market, comparing gain, fb ratios, cost, size, weight, etc. This combination makes it easy to erect a vertical antenna for portable, field, or emergency situations. Spiderbeam 18m Heavy Duty Telescopic Fibreglass Pole product reviews by real people like you. Some TIPS on measuring VSWR and troubleshooting M2 … Antenna Gain: dBi vs. This pole opens the door to building portable 160m 4-square arrays and other serious low band fun like vertikal dipole arrays on 40m, or a 20/15/10m 1el quad at 20m height above ground, etc. I think Aerial-51 is a pun on the infamous top secret air base in the USA – think about it. Jim could tilt the tower even further and/or shorten the antenna mast section to lower the antenna another 2-3 feet if desired. So I moved to 18m and later even 26m Spiderbeam masts. At 40 feet in height, this fiberglass mast is a simple no-compromise way to enjoy great signals at your QTH. 73 - Curtain Zepp Antenna for 160m, 80m, 40m. It is best to cut it 5m. SOTAPOLES: Telescopic Antenna Masts. It is optimised for portable use, being constructed from fibreglass and wire. This antenna ended up being a little more mechanically complicated, because guying the bottom section only just seemed much too floppy. During this last day in Kiribati we will continue to be on the air and pack the bags, followed by the closing dinner with traditional local specialities prepared by chef Ataieta. - 2 pieces. spiderbeam was founded in the year 2000 by df4sa, sparked by his passion for highly competitve radio contesting during portable, outdoor operations, fielddays, dxpeditions, etc. 2M and 440 were exhibiting good SWR but I was having a heck of a time with 6M. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. On 10 MHz the difference is less but the above generally applies. Spiderbeam 18m for 40m and up)? I've used this setup while working /p /QRP on vacation. jpg JPG-Datei [145. spiderbeam high performance lightweight antennas. Fortunately, I was able to take the antenna down and repair it. Only at eHam. In addition, local QRN can. DXpedition beam * 13m toploaded vertical for 80m. DX Engineering carries all the necessary repair and replacement parts for both antennas. Vertical antenna for 20-15-10 m This is a vertical multiband antenna made up of several aerial elements lambda/4 length, feeded with just a coaxial cable in French. Twenty feet is okay but thirty feet is better. If you liked this video, check out "Optimizing the Yaesu FT-817 for Contesting" https://www. Antennas: Optibeam 9-5 Optibeam 1-40 Fritzel Vertical 303 HY-GAIN 18 AVT Inverted "V" Dipole 40+80 Mts DXpeditions Kenwood TS480 AT Amplifier Ameritron ALS500 Heathkit SB200 Vertical C4-Force 12 Spiderbeam 5 Bands Spiderbeam Mast Vertical 40 Mts 2elements Spiderbeam Mast Vertical 80 Mts QRP Homebrew PFR3 Homebrew 30 Mts QRP Homebrew 40 Mts QRP. By now we had solved our antenna and mast mounting problems. Testing The Spiderbeam 12m Telescopic Fiberglass Antenna Mast August 15, 2017 Julian OH8STN 0. M1PAF Amateur Radio Blog. that a choke is required next to the 4:1 balun for the antenna to resonate on its fundamental frequency of 7MHz. When you're using a ham radio, your antenna is a crucial part of the operation, and a tall antenna can help you pick up a strong signal, which makes it easier to communicate with other radio operators. Collapsible fiberglass poles in sizes of 40, 60, and 85 feet with guy brackets, clamp kits, wire vertical conversion kits. It has 3 wire spokes for top load, each at > 15 meter long. Add a few inches for loops to connect to both center and end insulators for mechanical support. and fold back a meter or so, then adjust for resonance. Yes, I miss it. This year, my campsite was located in the dunes, quite close to the beach. One common balun feeds five dipoles which are folded in a roughly square shape, only one feedline is required. With antennas to cover 75, 80 and 160m simultaneously from sunset to sunrise, dedicated receive systems and top-of-the-line radios, we will be active on all these bands, every night, for. most backyard antennas, the average ham is lucky to achieve an antenna height of 1 wavelength on 10 meters, while the truly fortunate operator may get his wire to 1 wavelength on 17 or 20 meters. mAT-TUNER automatic antenna tuners, Easy-Rotor-Control rotator controllers, W7FG Vintage Manuals, 4O3A Signature products. spiderbeam high performance lightweight antennas. com 0 tag:blogger. In the case of the parallel wire version (without traps) the performance can exceed the commercial units. The spiderbeam antenna. This is a model of the 160m Vertical on the 18m Spiderpole. It was written with the 3-band antenna (20-15-10m) in mind, but can be applied to all other configurations as well. It's an 1/8 wave vertical on 160 meters also. Comtek arrays deliver superior DX performance compared to common horizontal antennas, making them the antenna setup of choice for serious DXers, contesters, and hams. Our original intention was to start with the PAR/LNR EF-20 on a 39' fiberglass Spiderbeam pole to get on the air fast. The poles from Max Gain are the sturdiest, and will easily support dipole and wire type antennas. Titanex Antennas and Accessoires. In July, my Spiderbeam mast was sideswiped by the winds from a thunderstorm that took out the mast and put an abrupt end to my Spiderbeam - a great antenna I've enjoyed for several years. In Ottawa I use a commercial 5-element tri-band yagi on the telescoping, rotating, 75-ft tower. The only difference are the output terminals used on the balun casing. Noisier than horizontal antennas Easier to hide in antenna restricted areas (can be. It is very easy to deploy and take down by yourself. This is also faster. Three baluns have been made. 12m SpiderBeam Vertical Pole Antenna I've really been impressed this weekend over the quality of 160m SSB operators who I found were courtious, patient and keen to accept my call. Buy Ham & Amateur Radio Antennas and get the best deals at the lowest prices on eBay! Great Savings Free Delivery / Collection on many items. Fundamentally the antenna will work simply by connecting a 50 Ohm coax to its feedpoint. In this case, 450-ohm line would be even better,. The antennas have screws to connect directly to the coaxial cable. A single person can easily put them up within a few minutes. This year, my campsite was located in the dunes, quite close to the beach. Build Your Own Antenna Analyser for under $50 Beric Dunn K6BEZ $20. Noisier than horizontal antennas Easier to hide in antenna restricted areas (can be. With that said, go look up the cost of one that is being sold in the magazines and on the web. Sirio Gainmaster Hitech Fiberglass 10m Cb Base Antenna-+ Dailymotion. Vertical antenna for 20-15-10 m This is a vertical multiband antenna made up of several aerial elements lambda/4 length, feeded with just a coaxial cable in French. The Sentinel is designed from the ground up. His site is a must, if you are, or plan to be, a mobile, or portable operator. dipoles because the antenna is about 1/2-wavelength at the lowest frequency of operation. Fiberglass poles courtesy of Spiderbeam, Germany. That’s the way I did my vertical antenna, though it’s only about 39 feet. Andy, The 80m vertical was an interesting project. Helically loading a beam or vertical has been extensively discussed in the ARRL Handbook, Antenna Handbook, Moxon’s “HF Antennas For All Locations” for many, many years. 50!! ***NOTE*** WE ARE UNABLE TO SHIP SOTAPOLES OVERSEAS AS THE SHIPPING COST IS SEVERAL TIMES THE PRICE OF THE POLES. 66 in total. OCTOBER 11, 2019 — Johannes 5T5PA and Evert 5T2KW inform DX-World that they will be active in October 2019 from a special location in Mauritania from the evening of the 19th until the morning of the 26th. SWR-vertical with MiniVNA: not anything to prune. With the waning sunspots and declining propagation on the higher HF bands (20 - 10), many guys are turning more to 40 meters. 22 Different Wire Antennas for the 160 Meter Band. Maintain & install your antennas just using a small 2-step ladder Can accept directly wired HF beams. So follow along as we compare the Jackite antenna pole with the ebay $10 antenna pole in the video below. Spiderbeam even sells kits for vertical loop antennas. antenna 6 to 10 feet off the ground will ever work particularly well. Spiderbeam sells some locking clamps for each section, but I find a stout twist and a few turns of electrical tape hold it well enough, in the case of light antennas. The calculator suggested that for an 18m vertical to resonate at 1900kHz with a 195µH inductor, it should be 13. The image on the left are the two parts I just printed up. In this video, Hiram Vazquez does an excellent job of explaining the theory, design, construction, and use of the delta loop antenna. The radiator is made from a corrosion-resistant aluminium tube from 3. Manual Spanish FT 857 · SCU 17 USB Driver Installation Manual English (459. Jim could tilt the tower even further and/or shorten the antenna mast section to lower the antenna another 2-3 feet if desired. It is constructed of 3 interlaced wire yagi antennas strung on a common fiber glass spider. It is optimised for portable use, being constructed from fibreglass and wire. 12m SpiderBeam Vertical Pole Antenna I’ve really been impressed this weekend over the quality of 160m SSB operators who I found were courtious, patient and keen to accept my call. BEFORE View from the water View from below Side view Under - facing North (no guy line to South) AFTER View from the. Emphasis has been given to 160 and 80 m. A vertical HF antenna offers many advantages—an omnidirectional signal collector and easy to install radiator are two of the biggest. This was the closest fit to the OD of the Spiderbeam pole with the end cap left in place. Spiderbeam was founded in the year 2000 by DF4SA, sparked by his passion for highly competitve radio contesting during portable, outdoor operations, fielddays, DXpeditions, etc. This is a lightweight but robust design ideal for portable or permanent usage. 14 MHz Monoband 20 Meter Vertical Antenna. This kit includes all of the spreader arms necessary to construct your own Hexbeam Antenna. Herewith enclosed a small collection of some shoots of our dxpedition at the Order of Malta. The Buddipole™ - HFportable dipole antenna system, Welcome to the home of the Buddipole™, an hf/vhf portable dipole antenna system which is designed to be modular, versatile, and efficient. Prices & items subject to change without notice) Download our 32 page catalog! Diamond Antenna Product Catalog. I build a wire vertical dipole antenna and place it on a Spiderbeam 12mHD mast, then make several contacts with Japan. the Spiderbeam 160-18-4WTH delivers performance that is very close to that of a full-size vertical antenna on 160m - provided you have adequate space for proper installation of the top-hat wires and radial network. ground plane antenna with radials. In the case of the parallel wire version (without traps) the performance can exceed the commercial units. Our equipment consists of a transceiver Elecraft K2, two transceivers Icom IC7300, two OX1000 power amplifiers, one other power amplifier, a vertical for 160 and 80m, a 40m loop, a 30m loop, a Spiderbeam for 20m through 10m, Loop antennas for 20/15/10m, a vertical for 60m as well as a few laptop computers. The calculator suggested that for an 18m vertical to resonate at 1900kHz with a 195µH inductor, it should be 13. Yagi while the Spiderbeam is 1. Also the Spiderbeam is much longer than the SteppIr. VP8ORK Press Release #3 - The Low-Band Plan Many have been asking about our low-band plans for the upcoming VP8ORK South Orkney DXpedition in January 2011. Delta loop 2 elements. It provides about 4dB additional gain over a single 2 element array, has a narrow beamwidth and deep side nulls of >20dB. 120 YOU TIE. Verticals are a terrific antenna option when longer distance communication and an omnidirectional radiation pattern is desired. It is constructed of 3 interlaced wire yagi antennas strung on a common fiber glass spider. Herewith enclosed a small collection of some shoots of our dxpedition at the Order of Malta. Add some ladder line, and you've got another multi-band antenna to try. For example a 20/15/10m 1el quad can be installed at 16m height above ground. 87 25 Foot 5 Band HF Vertical "The Wonder Stick" A good working hf vertical for the price of a hamburger and fries! by N5VEG. Just add a few top hat wires and enjoy operating with a fullsize 160m vertical that can be put up within less than an hour. Antennas 101 Presented by: Vertical and Inverted L Antennas •¼ wave Vertical monopole, which requires a ground •K2AMV dual-bander K8YC Spiderbeam. Tromelin is rare enough and well funded enough that they ought to bring both kinds of antennas. The first antenna everybody probably makes is a dipole and the second a quarter wave vertical. 77 - Capacitance Loaded Vertical Antenna for 160m. Test/Site Conditions for our Quarter Wave Sloper vs Inverted-V Dipole Because of the above stated variables we wanted to test these antennas over the. Now, we can all say: put up a groundplane/5/8 wave etcbut its easy for a horizontal antenna to produce more gain under a lower angle. Thanks to Jonathan Charles and his fellow radio amateurs for conducting this "Field Test" of four popular HF antennas, including the classic dipole, End Fed Halfwave (EFHW), the Vertical, and the popular Windom antenna. Low band vertical antennas, using Spiderbeam and DX Engineering products, will be used for all geographies. >> >> I have set up a 5 band SpiderBeam on a 50' Spidermast at Field Day and >> 7QP. Continue reading Fiberglass Balcony Stealth Antenna for 40 m. The antennas have screws to connect directly to the coaxial cable. For the PACC contest I need (several) antennas for every band. Given the difficulties in getting large amounts of heavy equipment to the island, we plan to use lightweight but high performance K3 transceivers and a mixture of amplifiers including two lightweight medium power THP amplifiers. After assembly, the main issue I hit was high SWRs. 1 m (the lowest segment) safely mounted to the balcony railing and sidewall. We used a fence made of chicken wire for the ground, which although crude, seems to be quite effective in previous tests at this location. In this video from Tracy ("Outdoors On The Air"), we see any easy enhancement of the popular HyEndFed 3 Band HF antenna by using a 12 meter/39. Please note, The September 2013 issue of Radio Society of Great Britain (RSGB) RADCOM contains an article by Steve Nichols G0KYA on the Spiderbeam Model 160-18-4 WTH 160M Vertical. Famous Cushcraft Verticals, Beams and Ringos for HF/VHF/UHF include the popular vertical antennas R6000, R8 and R9 Multibanders, MA5B 10-20 Meter beam with a small footprint, to the BIG Thunder tribander yagi and log periodics. spiderbeam high performance lightweight antennas. Photograph 4 is antenna lab with installed G5RV and three band trapped vertical. I planned to use a 3 foot length of 4 inch PVC to hold the base of the Spiderbeam pole. The Cobweb antenna is a antenna which is easy and fast to install for portable operations, designed by G3TPW. This mast is made from 3 pieces of abandoned thin-wall irrigation piping that can be obtained for a song from any nursery or farmer. 77 - Capacitance Loaded Vertical Antenna for 160m. 40-6 Meter Cobweb Super Heavy-Duty, 1. Antennas 101 Presented by: Vertical and Inverted L Antennas •¼ wave Vertical monopole, which requires a ground •K2AMV dual-bander K8YC Spiderbeam. A single person can easily put them up within a few minutes. 4dB), while the Moxon is about 3dB down, at 22. fully extracted length (height) 12m (40ft) transportation length 1. Aerial-51's passion is designing, building and testing. Mast hardware included. The spider beam is a full size lightweight tribander yagi for 20/15/10m, made from fiberglass and wire. with a slinky-dipole as east/west guy's at the 25 ft level. For Spiderbeam Home in Germany please visit WWW. I decided to setup a simple vertical, using a telescopic fiberglass pole, which I can pull out temporarly, when it is getting dark. It is optimised for portable use, being constructed from fibreglass and wire. DF4SA Spider Beam Site Information about the spider beam from its inventor, Con DF4SA. This is a model of the 160m Vertical on the 18m Spiderpole. It was a experiment into compact multi-band HF aerials for the higher bands and various solutions existed: G3TXQ Hexbeam , GM3VLB Delta , G3TPW CobWebb, Moxon , VK2ABQ etc. next > < previous. Best you modell itbefore errecting. So everything is ready and packed …just a few more days apart from traveling to the heart of the black continent, just a few more days and the 9G5W DXpedition will be in the air. The hexagonal beam (or known by many as the hex beam) has become a wildly popular antenna. I would recommend getting a few different size rubber bungee cords and anchoring the bottom section to a tree or another strong support while erecting the mast up to 40 feet high. Here is the first pass of the antenna analyzer on the new vertical. The Ultrabeam "VL" type antennas are vertically mounted dipole loops for one, two or three elements (VL = Vertical Loop). Antenne verticale home-made de 12M sur support mât spiderbeam 12M Antenne verticale home-made de 12M sur: pin. "Ituses "4top%hat" Á ] } µ Z v v v [ Z Ç ] o Z ] P Z "byelectrically"lengtheningtheant enna. If you wanted a long dipole, best use lighter weight wire. efficiency from the antenna, you’ll need to install some radials. 1 Vertical 1/4 15mt cw – N. 40-6 Meter Cobweb Super Heavy-Duty, 1. On 10 MHz the difference is less but the above generally applies. The easiest choice for a 1:1 balun/common mode choke is using the W1JR design with a good core. There are two types, those that are best installed at ground level and those that can be installed on top of a mast. Fundraising. The design is shown here in collapsed state, installed near a ham shack. DXpedition beam * 13m toploaded vertical for 80m. 5mm wall thickness at 10m height!. Design of a portable 50' Spiderbeam yagi antenna made of wire, on a 47' telescopic mast with affordable bottom-mounted rotor. Presently, I have moved the antenna a top a ~25ft Rohn 25G tower. So even on a lower tower the antenna was often as good, sometimes worse but mostly better. SPIRAL-WRAP: • 1 turn per meter (3') • 1 turn per 20cm (8") Feedpoint Details 17 turns RG-142 on FT-240-43 (2x Cores for 1KW) Antenna Details: http://www. I was always impressed by the strong signals VP6DX (Ducie Isl. If you want to get the material can be ordered through Such material spiderbeam arms, V dipole and Vertical from 10m to 160m antenna hexlical, We help design Now we 've got a lighter antenna and do not need a tow truck to install the antenna. The higher gain antennas have a lower vertical beamwidth. net is a Web site dedicated to ham radio (amateur radio). - Uses elevated radials for higher gain. The antenna is just the bigger brother of the 40 foot pole vertical and I took essentially the same approach to this antenna, but had a chance to make some improvements. 5 kW Restricted space spoiling your operating fun? MFJ Cobweb puts your call back on the map! This eight-band (40, 30, 20, 17, 15, 12, 10, 6 Meters) full half-wave and 1500 Watt Cobweb Antenna is perfect for restricted space or portable operation. Mount them horizontal, vertical, or as a sloper. The antenna diameter is 2" OD at. Spiderbeam antennas - High Performance Lightweight Antennas. The clamp is designed to allow the antenna to quickly adjust to any angle with a quick turn of the knob. 5mm wall thickness at 10m height!. Calculate small transmitting loop gain from bandwidth measurement ***EXPERIMENTAL*** This calculator allows calculation of the efficiency and and gain of a small simple single turn transmitting loop in free space from VSWR bandwidth, matched frequency, loop radius and conductor radius or resonating capacitance. We only design unique world-class antennas! Stay tuned. I had some matching problems using toroid transformers (un-un) to match the 20 ohm feed impedance and once I set up the DXE-VMN-1 with my antenna analyzer, the antenna matched at 1:1 SWR across a 150 Khz 2:1. In this blog post, I will cover the basic process used to mount the Spiderbeam antenna onto the mast (by myself) and to raise the antenna with no assistance, other than my Easy Mast device. We offer the following vertical HF antennas: GAP Verticals; SteppIR. N6BT, KE7X and I installed a very similar antenna for the 2007 CQWWCW contest in C6A (C6ARR on 160m). G0KYA's HF End Fed Half Wave (EFHW) antenna - construction details Introduction The EFHW monoband matching unit (inspired by AA5TB) allows for a half wavelength of wire to be connected, giving a 50 Ohm impedance match to the transmitter (without a ground plane or ATU) at the frequency of operation. DX Engineering 40 Meter Fast Taper High Performance Vertical Antennas are self-supporting vertical antenna radiators that operate over the entire 40 meter band with an SWR of less than 1. I fed it at the feedpoint with an SG-230 powered by a car battery housed in the shed. The butternut antenna I once own was a 5 band vertical and work really good considering I did not have any radials down, and did not have the space to put any down. 22 Different Wire Antennas for the 160 Meter Band. The performance of these antennas can be every bit as good as a multi-band commercial vertical and at a fraction of the cost. Pacific Antenna -- PAC-12 Antenna -- Vertical antennas 60-10m PalStar - Tuners and accessories, SW radio, Dummy loads, SWR Meters, Filters Par Electronics-- Antennas, Filters For Amateur, SWL, and Scanner; Par End-Fedz-- full length half wave dipoles, but with an important difference. Antennas 101 Presented by: Vertical and Inverted L Antennas •¼ wave Vertical monopole, which requires a ground •K2AMV dual-bander K8YC Spiderbeam. The total antenna is called a "2 X 2", or "2 by 2", and was designed by Kenny, K2KW and Tom, N6BT for Team Vertical. Butternut Antennas Butternut has several critically acclaimed vertical antenna designs, including 2-band, 6-band, and 9-band options that provide efficient performance.