Spiderbeam antennas lamco barnsley 5 doncaster road, barnsley, south yorkshire uk call 01226 361700 my favourite ham store in the world icom kenwood yaesu. Dec 25, 2014 dec 25, 2014 delta loop and other wire antenna calculator stay safe and healthy. By using relays, a single feed line could be switched to 1 of 3 elements or to all for an omni position. This link is listed in our web site directory since wednesday oct 2004, and till today spiderbeam antennas has been followed for a total of 40336 times. Antenna modeling software and other utility programs by dan maguire, ac6la autoez automated use of eznec. Fm antenna diy, ham radio antenna, radios, radio reference, hf radio, radio band, radiant energy, led projects, nikola tesla. In this document i will use spiderbeam to refer to the antenna design, and spiderbeam. Especially after it is finished get on the air with it and realize how well your homebrew spiderbeam really works. These chores have to be done only once, before assembling the antenna for the first time. Licensed amateur radio operator in 1996 as iw5edi, active member of ari firenze and arrl class 1970, married with two childrens, love experimenting and antenna homebrewing.
Having had a gem quad hf 201510m for a few years, back in the early 80s, i can testify to the quads slight advantages over a tribander yagi with the same number of elements. Autoez works in conjunction with the eznec antenna modeling program and allows you to use variables to control diverse aspects of the model. Collapsible fiberglass poles in sizes of 40, 60, and 85 feet with guy brackets, clamp kits, wire vertical conversion kits. This week i will take down the spider beam in preparation for moving to a new qth. Building a spiderbeam from our antenna kit is a fun and educational project. Here is a small collection of eznec files of antennas i have interest in. The spider beam is a full size lightweight yagi for made of fiberglass and wire. And of course, the hex is built on a, well a hexagonal frame. I hope it makes your life and job of managing spiderbeam, hex beam or other antenna projects involving aluminum or steel telescopic masts better as it has mine. A single person can easily put them up within a few minutes. Im standing next to the mast and rotor system where the antenna will go. Spiderbeamus high performance lightweight antennas yagi.
Yagio is similar to lpcad, it uses keyboard commands instead of a mouse menu. The 15m resonant frequency appears to be about 400 khz too high. Spiderbeam 2017151210m 5band antenna kit durable lightweight yagi for portable operation. My spiderbeam experience began when i decided it was time for a directional hf antenna. Delta loop and other wire antenna calculator ham radio. It is optimised for portable use, being constructed from fibreglass and wire. May 23, 2012 the concept behind this antenna was developped by cornelius paul con, df4sa. Optibeam oy finnish antenna radio works spiderbeam sp7gxp.
Nearly no tuning procedure is necessary, making it. These are extremely strong poles, with a much greater wall thickness up to 2mm. Additional loss due to swr is in quotes for a reason. Simple wire antennas are quite allright, but using them to do well in a contest is pretty hard. About spiderbeam antennas the resource is currently listed in in 4 categories. The coax jumpers made the other 2 unactive elements.
This antenna beams into three quadrants without the use of a rotator. Nov 24, 2016 i hope it makes your life and job of managing spiderbeam, hex beam or other antenna projects involving aluminum or steel telescopic masts better as it has mine. Yagi reports spiderbeam high performance lightweight. Mounting a rotator at the bottom of an aluminium pushup mast. Next time the antenna is down, i will make the 15m element a bit longer as it has 3. Inside the box, i used 2 strips of copperclad board as a busbar. Lee w9oy has built a beautiful 8040m vertical using our poles they can also easily support temporary lightweight 1 element quad or delta loops for 2010m, and dipoles for all bands, especially when used with open wire feedline. Nor is it free from other possible interactions such as chain link fence, guy wires, etc. All parts listed in the materials list are contained in the kit offered in addition to this construction guide. Spiderbeamus high performance lightweight antennas.
View antenna display, showing the wires making up the model of the fiveelement beam, with currents and 2d slice superimposed to show orientation. Just as we all love open source software, one has to love the hex beam, and much smaller, though equally enthusiastic, spider beam communities. Spiderbeam picture with the alps mountains in the background put the mast and antenna up on saturday, finished at dawn with the antenna mounted in 10m height. Offcenterfed dipole, ocfd, windom, whereas a dipole is a halfwavelength long radiator, fed in the center of two equal length legs, the offcenterfed dipole which i prefer to call a windom is a dipole whose feedpoint is at a point removed from the center of the antenna the picture above on the left shows the classical dipole, which is usually fed with 50 ohm coax, through a 1. Spiderbeam offers a complete line of portable and heavy duty wire multielement yagis for temporary or permanent installation. This design permits the cobweb to be mounted at any height up a typical 1.
Test results i made lots of contacts with stations in dl, eu and dx, never telling the qso partners which antenna is which one, only switching between antenna 1 and antenna 2 several times. The main category is hf yagi antennas suppliers that is about hf yagi antennas suppliers. I got precious information from cornelius df4sa, the founder of spiderbeam, and i was also helped by jacques f6bee for the calculations and modelisation part with mmanagal software. Cq532 antenna wire awg 18 very strong and durable multistrand copperweld price per meter 0,95 eur incl. The list will grow with your help so lets start and share the knowledge.
Spiderbeam hde 12m fiberglass pole eyelet version heavy duty professional telescopic pole with eyelet 12m 40ft high strength fiberglass pole for rapid deployment of wire antennas. You can then run multiple eznec test cases while autoez automatically changes one or more. While the antenna is as light as a mini beam it maintains the gain and fb ratio of a. Spiderbeam heavy duty fiberglass poles are perfect for building all kinds of wire antennas. Hf dipole antenna this antenna software will help you design a simple wire dipole. The kit contains all the necessary parts to make a 100% complete antenna, as described in the construction guide. Fm antenna diy, ham radio antenna, radios, radio reference, hf radio, radio band. This is not a compromised element antenna like the hexagon or hex beam, which uses only. Please practice handwashing and social distancing, and check out our resources for adapting to these times. He has done a lot of work and development to a multiband version he called spiderbeam. An excel xl workbook to calculate antenna gaintemperature ratio gta, average gain, directivity, and other metrics by using 3d pattern data from eznec, autoez, 4nec2, a. It is many db quieter on rx than my vertical and it is also quieter than my dipole.
Free online engineering calculator to find the dimensions of a yagi uda antenna for a given frequency range and length. This is a very desirable characteristic on the lower bands 40 meters, 80 meters and 160 meters. Just as we all love open source software, one has to love the hex beam, and much smaller. Build a desktop arcade machine with raspberry pi 3 and retropie. Antenna calculator and design software electroschematics. After completion of the design phase and successful trial runs in 2001 and 2002 cqww contests, the spiderbeam antenna plans were released to the public. The hexbeam is also quiet, much quieter than the vertical also. The mounting arrangement consists of 2 plates the 1st holding the main crossover poles 1 on top, 1 underneath and the boom, the 2nd supporting the boom and fixing to a mast. Delta loop and other wire antenna calculator ham radio, ham. Then, they said apparently the new mast design had a thrust bearing built in. The spiderbeam seems to have better fb ratio and better gain. The other antenna was made by antenna specialist who are still in business and may still produce the super scanner. It is a point and shoot antenna, a barefoot pileup buster. The concept behind this antenna was developped by cornelius paul con, df4sa.
Nothing beats the satisfaction of cracking pileups with an antenna you built with your own hands. With the hex, though, it has always seemed to me to be a stronger design. Dec 25, 2014 delta loop and other wire antenna calculator. Apr 14, 2014 it is a point and shoot antenna, a barefoot pileup buster. This beam is a 2elementyagi with radiator and reflector and reduced size to about 75% of a normal beam. When running frequency sweeps, linear or logarithmic style swr, gain, fbratio and impedance linecharts are produced. The choke balun at the bottom of the 22 feet radiating vertical effectively isolates it from the coaxial feedline going down to the transceiver. I took down all the directors and reflectors of one spiderbeam and kept only the driven element multibanddipole. It then took me a few days to get the first prototype assembled, the most challenging part was to find a solution to build the cross arms as light as possible. You do not have any products in your shopping cart yet. I try to simulate every antenna i get in my fingers. Checked the swr on sunday morning, all bands immediately below 1. Spiderbeam high performance lightweight antennas yagi reports.
All the necessary parts can be found on the materials list. It system engineer, recently started having fun with morse code and raspberry pi. The original spiderbeam antenna designed by df4sa is a full size, lightweight, triband yagi for 201510m. Sep 20, 2015 this antenna meets and in most cases exceeds all of the claimed assembly, specifications and performance. The carolina windom thus becomes a nearomnidirectional antenna. Doug vk3um was a friend from our days at unley high school during the mid 1950s, a common interest was that of radio and electronics leading to our introduction to ham radio through the 288mhz band now no longer part of australian allocations. Moxon g6xn in his book hf antennas for all locations rsgb publications, great britain 1993. Ive done singleband entries before on 40m where the tight frequency allocation and numbers of operators mean that theres a pretty agressive tension in the.
Please click on product pictures for detailed information. Spiderbeam 12m heavy duty poles are very well suited for building 4080160m wire gp or inverted l antennas. Spiderbeam yagi antenna kits building a spiderbeam from our antenna kit is a fun and educational project. The design has transmogrified into a family of antennas including a 5band version 2017151210m, a warc version 301712m, and. Spiderbeam high performance lightweight antennas antenna. Think of the carolina windom antenna the modern version of the windom as an upside down vertical antenna, hanging down from its counterpoise strung more or less horizontally some 10 meters or more above ground in other words, the 22 feet vertical component of the carolina between the 4. Antenna design freeware 1d and 2d arrays from mei software. The spiderbeam yagi antennas are available in two types, portable and heavy duty. I have hundreds and hundreds of contacts with the spiderbeam but mine is not the commercial version.
I am very happy with this product and enthusiastically recommend it to other amateurs with space limitations. Antenna design calculators category is a curation of 83 web resources on, parallel square conductor transmission line calculator, analysis of antenna mast strength and bending stress, full wave loop antenna calculator. Heres the original design of my spiderbeam, mast and rotator system below. Spiderbeam yagis feature fullsize elements with individual driven elements for each hf band fed from single feedline for monobanderlevel performance. Yagio runs under windows 2000, xp, vista, win 7 and likely win 8. The 2elementyagi with reflector has normally a 0,2lambdaboom and an impedance of 50 w. I have had reasonable success with dipoles over the years but wanted to try something else.
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