Spiderbeam Vertical Antenna




All ROHN telescoping masts are pre-galvanized and come assembled with hardware. He is a past master at creating effective portable antennas quickly, and for little or no cost. The Spiderbeam (spiderbeam. The other, original spot, is still viable for either a 6M yagi, 10M yagi (not likely to see much use after this fall, if then), or 2M yagi. 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!. HAM Radio Shops, Amateur Radio Shop, Icom, Hytera, Kenwood, Yaesu, Antennas, Antenna Tuners, Power Supplies, Coax, CB Radio, Scanners, Receivers, Short Wave, Barnsley, UK, Call 01226 361700, Yorkshire The HAM Radio Shop Amateur Radio Dealer Suppliers United Kingdom Two Way Radio Hire Two Way Radio Sales Repair Service Scanners CB Radio. spiderbeam high performance lightweight antennas. I decided then to use it as a second element to the original 40m band - 12m length vertical antenna. ( Rough drawing of beam construction ). It weighs just 20 lbs. Welcome to the Amateur radio Antenna Masts and Towers page. The main category is Antennas and towers installation, repair and removal that is about Antennas & towers setup and repair services. A popular misconception about vertical antennas for the low bands is that they must have elaborate ground systems. Signal reports improve and, for horizontal dipoles, the radiation angle is reduced so HF DX becomes more workable. All masts are supplied with a free stainless steel clamp set. Reviewed by Bob Allison, WB1GCMAssistant Laboratory Managerwb1gcm@arrl. What I would like to do next is operate portable from a more rural location and measure and differences in SNR on WSPR. Vertical Dipole Antennas (VDA) by F4BKV Vincent Why using Vertical Dipoles: Everything starts in summer 2011, when i had to prepare antennas for the upcoming 2012 Pacific DXpedition (VP6T, TX6T, E51BKV, FK/F4BKV). HF/6m Vertical Antenna 3. 36-foot Spiderbeam Pole. We had to travel almost to the West Coast to find these great heavy-duty 19 to 32 foot telescopic fiberglass poles. The mixed results with the Spider Beam were not electrical. All masts are supplied with a free stainless steel clamp set. Great for small gardens! "antenna designed by G3TXQ Broadband Hexbeam". It’s not very tall, low quality, but also quite inexpensive. This fiberglass vertical was broken two times. The guy who said Never Again was up in the Northeast US. Vertical polarised antennas have by nature a rather low take off angle. This article will explain the proper guying heights and guy lengths when guying ham radio antenna masts. 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. RA3FO IC 756 PRO Ø Yagi 3 EL, Delta loop 160 M RA9DZ IC-775 100W 3 el yagi RK3DZH IC-756PRO3 1. Spiderbeam HD 12m fiberglass pole HEAVY DUTY professional telescopic pole (12m / 40ft) high strength fiberglass pole for quick portable wire antennas Spiderbeam HD 12m fiberglass pole. The 18 m Spiderbeam pole mast is made from telescoping sections which are secured with clamps. 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. Csaba, DH7KU and Sigi, DL7DF measuring the HB9CV, while Manfred, DK1BT is holding the antenna: Spiderbeam, 160m vertical, 40m loop, 30m loop: 17m loop: Our villa with the Spiderbeam in front: Jan, SP3CYY and Csaba, DH7KU. However, it is important to understand that this antenna is a low-Q structure. This antenna is 58 ft tall and is mounted on a hinged base. I decided to built some GP antenna for 80 meters (and use it on 160/40m as well). Results were very good, comparable with a regular dipole. All short, loaded vertical antennas on 160 or 80m tend to have a low impedance, and higher SWR. It worked very well! I had to cut the wire several times until the SWR was very low in the 40m band - I could use the entire band. It is constructed of 3 interlaced wire yagi antennas strung on a common fiber glass spider. Categories. ) got with their VDA and I tried to make similar (but lighter) antennas that can be transported by a single man in his luggage. Spiderbeam Spidermast 12. If it was simple as that, problem solvedbut sadly vertical antennas often "lack" gain. Welcome to OptiBeam * optimum short-wave antennas * computer-designed / computer-optimized Willkommen bei OptiBeam * optimale Kurzwellen-Antennen * computer-designed / computer-optimiert Bienvenue chez OptiBeam * antennes pour ondes- courtes optimis?es choississez votre langue. In order to maximize the configuration of the location and more specifically the proximity of the ocean we intend to use monoband vertical antennas as well as VDA that have proven to give excellent results during top DXpeditions in the past few years. I taped the end of the antenna to the tip of the Spiderbeam pole and stood it up, bungee corded to a picnic table. Re: K2 ATU and 43-ft Vertical. They brought Karl’s lost luggage in the evening so we started to build the antenna on 160m immediately – the base of vertical is Spiderbeam fiberglass (18 metres) with capacitive hat from four wires, and with four radials. It provides about 4dB additional gain over a single 2 element array, has a narrow beamwidth and deep side nulls of >20dB. 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. Considering the lousy band conditions at the long bottom of the sunspot cycle, the R7000 proved to be a surprisingly good performer, especially on 40 meters. BETTER: Insert a Common Mode Current Choke between the feedpoint and the coax. Great care was taken to keep the. 4dB), while the Moxon is about 3dB down, at 22. 1 metres up from the feedpoint, leaving 5 metres of wire above that. What might be the effect of using capacitive hats, not on a mobile vertical, but symmetrically on both ends of a wire dipole, or a shortened dipole?. 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. 71 - Tower Pole as a Vertical Antenna for 80m. 80m Vertical on a Spiderbeam 12m Fiberglass Spiderpole. Raising and lowering a fiberglass mast is easy, and two or three long velcro strips are enough to strap the pole to a post, fence, or a medium tree trunk. The poles from Max Gain are the sturdiest, and will easily support dipole and wire type antennas. Vertical Dipole Portable Base Mobile Alpha Magnetic Loop antennas. This link is listed in our web site directory since Tuesday Jan 12 2010, and till today "Spiderbeam Antennas" has been followed for a total of 430. The design calls for two vertical elements hanging down from the ends of the horizontal elements, making the antenna an “inverted U” shape. 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. It will help you determine ahead of time the proper length of guy wires and the distance from the base of the mast to the anchor points. A custom designed capacity hat system allows this vertical monoband antenna to get on 160 meters with unparalleled success in in antenna that is only 55 feet tall. 5 m Connector SO-239 Power 2500 W. Le gain vers l'avant et le rapport avant/arrière de la spider beam est équivalent à une antenne tribande normale dont la longueur de boom serait d’environ 6 à 7 mètres. Compromises understood and simulations complete, I carefully considered the Big IR, but liked the idea of no moving parts or switches at the antenna location. 2017 around 20. HF verticals are versatile, and can deliver both multiband and monoband performance. 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. The third antenna will probably be a multiband version of these antennas (or yagi). A 6 meters station will monitor the Magic band, but only into a G5RV. Fortunately, a 12m length of it is kept unharmed. When used in a multi-vertical array, verticals can even provide low-band directivity. Requires ¼ wave radials for each band or many (60+) short radials. High strength professional telescopic fiberglass pole. In my case there were 1-2 sparks per second. Last update 12/29/2014. Browse our daily deals for even more savings! Free delivery and free returns on eBay Plus items!. The sense antenna was a 3 meter length of wire connected to a ground stake. ( Rough drawing of beam construction ). WHY THE MULTIBAND HF FAN DIPOLE IS THE RIGHT CHOICE, IF YOU CAN ONLY PUT UP ONE ANTENNA. 80m Vertical on a Spiderbeam 12m Fiberglass Spiderpole. Over the last few years, I have heard guys using Hexbeam antennas. In addition, local QRN can. It is probably more like 3. Don Toman, K2KQ toman@ibm. Unadilla W2AU 1:1 Balun Beam 160-10 meters HF Dipole Vertical Quad Spider SHTF Mini Spider Beam 6 eyes 10w. To do this, advertisers submit their. Now it is true that if you have an excellent ground system, the angle of radiation for a vertical can be much lower than the hexagonal beam making its effective radiation at that low angle better than the hex. 160m Wire Vertical kit including 18m fiberglass pole kit for building an effective 160m wire vertical with 4 top hats - including 18m fiberglass pole - $ 449,00 (Tennessee residents must add Sales Tax ). The Hexbeam is a great little antenna! It should be high on your list of options if you want a design that can be "multi-banded", exhibits useful gain and directivity, is very lightweight, has a small turning radius, and which lends itself readily to "Do It Yourself" construction. who do not have the space for an antenna farm. The station antennas were erected on the northwest tip of Norfolk Island, 112m above sea level, over soft rich red volcanic soil. 66 in total. The higher gain antennas have a lower vertical beamwidth. 11 meter: Skypper. match the 43 ft vertical from 10 thru 80 unless you happen to pick an. Wireman Wire Antenna kits. Antenna gain is measured in either dBi or dBd. 4dB), while the Moxon is about 3dB down, at 22. 43 Foot Antenna Selected I chose the DX Engineering 43 Foot quick taper model during the price war between DXE and Zero Five. If it was simple as that, problem solvedbut sadly vertical antennas often "lack" gain. Results were very good, comparable with a regular dipole. I'm using it as 80 m vertical antenna. C31LJ experiments with Spiderbeam Pole. Working quite well And a vertical for 160-80m from Spiderbeam. - Portable Vertical Antenna for 75m and 40m makes up a compact 28 feet high antenna. and has a wind load of just 2 square feet. The mast is a heavy duty push up type purchased from Max Gain Systems, which I believe is stronger than what you are planning to use. have vertical for 40m - either separate or as additional element on vertical for 80m 5. 75 M SSB OCF Dipole. I like to experiment with antennas and have built many dipoles for the various bands. 160m Vertical is up! 18m Spiderbeam glassfiber pole Top hat 4 wires (8m long each) 16 QWL grand radials LC matching box. Antennas @ 1A0C – Hexbeam #2 and vertical 40mts Spiderbeam Beaming USA @ 1A0C From left to right: EA2RY, I2VGW, IZ7KHR, EA7AJR, IN3ZNW, IZ4AKS, EA7KW, IZ8IYX, EA5RM, F5CWU (we miss here PB2T and SP3DOI). All you need is an SWR bridge or antenna noise bridge, whichever you prefer. Multiband Dipole Antenna MultiBand Vee Beam - 6 bands 1 wire NVIS Antenna - PDF instructions NVIS Antennas Petlowany Three-Band Antenna - N5IZU Rhombic Antennas - Joby's Snake Antenna Sturba Curtain W4RNL - five wire antennas PDF W8JI's Antennas for RX & TX ZS6BKW Antenna - NC4FB ZMV Spiral Antenna. " so you are allowed to put about 250 watts TPO into a single circularly polarized antenna, and it is considered to be 100 watts ERP. The J-pole antenna is an end-fed omnidirectional half-wave antenna that is matched to the feedline by a quarter wave parallel transmission line stub of Lecher system form. The antenna was on a ground mounted 5ft Rohn tripod, with a 5ft Radio Shack Mast, Rotor & 4ft PVC mast attaching to the antenna. Here, you'll find links for Antenna Masts Towers for holding hf-vhf-uhf antennas. 43 Foot Antenna Selected I chose the DX Engineering 43 Foot quick taper model during the price war between DXE and Zero Five. Some evening equiped with all necessary tools, ropes, clamps, wires etc etc I visited my favourite "test hb9ega area" where I try all new radio ideas. A G5RV antenna (80m long) for 160-6m at about 20m height. I need higher mast from 160 to install better vertical for 30m. Working from a 16 foot step ladder to reach all points can be difficult. It is a directional antenna that provides great performance and does not require a full scale, expensive tower. Antennas , ham radio 20m vertical beam , 2m Yagi , Antennas , ham radio , Homebrew , noise , vertical parastic beam , WSPR , WSPR Challenge. Fishing rod is good for the boom. Included with this. The feed point is usually placed at the centre of the dipole, for although this is not absolutely necessary, it can help prevent. It is optimised for portable use, being constructed from fibreglass and wire. spiderbeam offers a complete line of portable and heavy duty wire multi-element yagis for temporary or permanent installation. However, we managed the task and were able to slowly move the antenna to its mounting position. So the measurements are based on a 40 meter 1/2 wave dipole. For the past couple of weeks, I've been playing with end-fed wire antennas. Radiation pattern in vertical plan, 5m from shore line • Seaside instalation assumed. I started out with an extended Spieth mast (14m but very thin top) and Spiderbeam 12m mast. 18m (3ft 10") weight. HEXBEAM SP7IDX TECHNOLOGY ® it is ideal for Your DXpedition , IOTA activation, field days or solid antenna. Receivers:. Collapsible fiberglass poles in sizes of 40, 60, and 85 feet with guy brackets, clamp kits, wire vertical conversion kits. Design of a portable 50' Spiderbeam yagi antenna made of wire, on a 47' telescopic mast with affordable bottom-mounted rotor. I was always impressed by the strong signals VP6DX (Ducie Isl. All information, images, and documents on this website are the sole property of MFJ Enterprises, Inc. US is the exclusive distributor and online shop for USA & CANADA. A 2-Meter Vertical Dipole Array Build this 2 or 4-Element VHF repeater antenna with up to 9. that you still need an antenna to use when you get to your dream island location. In my case there were 1-2 sparks per second. This combination makes it easy to erect a vertical antenna for portable, field, or emergency situations. I then progressively shortened the radials (keeping the vertical height the same) and re-resonated the antenna with a single se-ries inductor feeding all four radials at the feed point. 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. And on VHF/UHF a higher antenna lets you clear obstructions and increases your communications distance. Get the best deal for Ham & Amateur Radio Antennas from the largest online selection at eBay. 8 Meters is pretty close to a half wave, but the tuner should handle this fine. A 6 meters station will monitor the Magic band, but only into a G5RV. Welcome to the Amateur radio Antenna Masts and Towers page. An inductor Q of 250 was. Frequency 1. Dipole antennas often are the easiest to build, and then turned into inverted V antennas by raising the center of the antennas up into the inverted V style. To 80 m 4-squar Welcome visitor you can login or create an account. 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,. 7dBi The improved front-to-back ratio is apparent in the Silver Spider, on the right. Noisier than horizontal antennas Easier to hide in antenna restricted areas (can be. 1/4 wave vertical 2m Moxon 3D Printing 20m 20m half square 20m inverted V 20m vertical beam 40m Amplifier Antenna Analyzer Antennas APRS Awards baofeng bluetooth chokes common mode choke contest CW digital DX EFHW end fed antenna end fed vertical experiments eznec fan dipole Field Day FT-8 FT-450D FT-817ND FT-2900R ground radials ham radio ham. This page contains a number of articles about single-band and multi-band HF vertical antennas. com, some wire and ropes. 7dBi Silver Spider gain: 12. C31LJ experiments with Spiderbeam Pole. In 2003, 2004 and 2008 also a vertical for the 40m-band is in use. But also wire antennas, bobtail curtains, c-pole and hentenna. Here we have collected some links to building instructions of 11m antennas on the WWW. Once weldings of cable lugs are done, they should be connected to the bolts, on the top of balun box, Let the feedline (57 cm length) slope downwards to the boom and attach the center of the driven element at 50cm distance to the vertical mast. Hilomast LLC Florida, Pneumatic / Push Up Telescopic Masts for all applications. It is probably more like 3. vertikÁly - vertical antennas - pdf Vertikál HF6V montáž a nastavení (Vertical HF6V assembly and adjustment) - 10, 15, 20, 30, 40, 80 m (eng - 112 kB) Vertikál Delta 6B GP + doplněk pro 18/24 MHz montáž a nastavení s poznámkami - podle OK1DLA (Vertical Delta 6B GP + 17/12 Meter Kit assembly and adjustment with the notes - by OK1DLA. 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. HEXBEAM SP7IDX TECHNOLOGY ® it is ideal for Your DXpedition , IOTA activation, field days or solid antenna. When properly installed these mast's are quite capable of supporting most VHF/UHF beams and wire antenna's. com) antenna mast is 40ft long, made of fiberglass and pretty thick. MFJ takes the Hex Beam's unique balanced-tension framework to a new level with rugged mounting hardware, exceptionally durable spreaders, and sliding antenna-wire guides -- all designed to ensure years of reliable service in tough 21st-century weather conditions. These are: a 3-element yagi for 20m, a 3-element yagi for 15m and a 4-element yagi for 10m. COM Main page » Catalogue » Wire Antennas. The G3TXQ Hexbeam, quality worth waiting for. He does so using a variety of radios and antennas, in several locations. Results were very good, comparable with a regular dipole. And especially vertical antennas are known for the low take-off angle, good for DX. These antennas are based on a 10 metre fibreglass fishing pole. Tune your radio to the frequency of the transmitter you are trying to locate (from 120 MHz to 500 MHz), you will hear a tone and the transmitter modulation at the same time. • Antenna on average soil (0. It provides about 4dB additional gain over a single 2 element array, has a narrow beamwidth and deep side nulls of >20dB. High strength professional telescopic fiberglass pole. I went with non conductive fiberglass rather than aluminum to allow for some experimentation. 66 in total. Here's a vertical antenna for 80 and 160, fed with a single feed line that is simple, effective, and requires no ground system. Many DX-peditions are using these trees to construct a 4 square antenna for 80 or 40 meters. DF4SA Spider Beam Site Information about the spider beam from its inventor, Con DF4SA. 5 to 30 MHz. Browse our daily deals for even more savings! Free delivery and free returns on eBay Plus items!. Finally , the only snag I find with verticals in the UK is that they tend to pick up a lot of local noise on receive. It is constructed of 3 interlaced wire yagi antennas strung on a common fiber glass spider. 30 meters of low-loss, double-shielded Westflex coax fed the tuner. 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. The Hexbeam is a great little antenna! It should be high on your list of options if you want a design that can be "multi-banded", exhibits useful gain and directivity, is very lightweight, has a small turning radius, and which lends itself readily to "Do It Yourself" construction. Many antennas are based on half-wave dipoles fabricated from wire or tubing. The ARRL's More Vertical Antenna Classics is a book that collects together articles from magazines such as QST, QEX and the National Contest Journal, as well as several ARRL Antenna Compendium publications. The original spiderbeam antenna designed by DF4SA is a full size, lightweight, tri-band yagi for 20-15-10m. This kit includes all of the spreader arms necessary to construct your own Hexbeam Antenna. People have also bought them to use as elements for lightweight HF yagis - six poles would make a near full-sized 3 element beam for 20/30m if attached to a suitable boom. 00! Wow! These guys are making some good markup! Features of the K0WA 40 meter verticle. 2 on 3630 KHz: The 20m long air-radial of the vertical Radial 2M too long, so bend it 90 degrees The 23M long linear loaded driven element Demontage off the spiderbeam Ready to say goodbye after 2,5 years Pull-up mast waiting sad for a new antenna. In 2009 I acquired and installed a 55 ft. There are 12 sections each 150 cm when extended. Verticals are a terrific antenna option when longer distance. Wire antennas are a great simple way to work 40M and 80M rather than a noisy vertical antenna that requires horizontal radials. Available in 20', 30', 40' and 50' heights. Antenna farm at VP6T (l-r): 80m vertical, 17m SDA, 40m vertical, 30m vertical, Spiderbeam-I, 160m vertical and Spiderbeam-II. 5dB down; the tables turn when we look at front-to-back ratio, here the Spiderbeam shows numbers typical for a full Yagi (25. 2M and 440 were exhibiting good SWR but I was having a heck of a time with 6M. by Gene Preston, K5GP I read Rick Littlefield’s article in the June 2008 issue of QST on off center fed dipoles and was intrigued by the idea that the antenna could be extended to cover 80 meters. The antenna farm will consist of 2 Spiderbeam 10-15-20 and other for 12-17-30, An Inverted L for 160m, one V10, one V80 and one HF2V 80-40. modern (hf) wire antennas for average hams. For the past couple of weeks, I’ve been playing with end-fed wire antennas. " so you are allowed to put about 250 watts TPO into a single circularly polarized antenna, and it is considered to be 100 watts ERP. Portable antennas for use in UK. Collapsible fiberglass poles in sizes of 40, 60, and 85 feet with guy brackets, clamp kits, wire vertical conversion kits. Snowflakes and rain can and will carry a charge and charge the antenna (capacitor). These are: a 3-element yagi for 20m, a 3-element yagi for 15m and a 4-element yagi for 10m. fully extracted length (height) 12m (40ft) transportation length 1. Use it as a center support for an inv vee or for a wire vertical. It is important to note that …. Unadilla W2AU 1:1 Balun Beam 160-10 meters HF Dipole Vertical Quad Spider SHTF Mini Spider Beam 6 eyes 10w. 3 "SAFARI" 40-30m ROACH POLE VERTICAL ANTENNA - G3RWF. Back to K9FBI's ham radio links. It is optimised for portable use, being constructed from fibreglass and wire. Noisier than horizontal antennas Easier to hide in antenna restricted areas (can be. When doing a blind side-by-side test I would have chosen the Spiderbeam over the SteppIr. A popular misconception about vertical antennas for the low bands is that they must have elaborate ground systems. Now it is true that if you have an excellent ground system, the angle of radiation for a vertical can be much lower than the hexagonal beam making its effective radiation at that low angle better than the hex. 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 length of the diagonal is not very critical and may be adjusted to help find a better fit in the space available, but the distance from the feedpoint to the top should be one. This type of antenna of course requires a good radial network (not included). Door knob capacitors, fibreglass tubes, enamelled copper wire and ferrite rings can be obtained from eBay suppliers. CW Equipment and Antennas Call Radio Antenna 4K6FO IC-746PRO 100W Ground plane vertical 7K1CPT K3 5W Dipole 9M6XRO FT-1000MP + Quadra amp 400W 2-ele Lightning Bolt Quad @ 27m + LF Butternut HF2V DL5CL Ten Tec Eagle 40m end fed DU7HF IC-725 70W Dipole @ 7 yards high EA5/YO9FXD TS-130S 100W Dipole EU1AA TS-180S 100W LW 70m long. 850-329-8783 6 Band hexagonal beam antenna covering 6, 10, 12, 15, 17, and 20 meter bands shipped to your door for only $570($520 + $50 shipping) The NA4RR Hexagonal Beam (commonly referred to as the hex beam) is a popular antenna based on the G3TXQ design. VHF MadMax. ground plane antenna with radials. The signals on the spiderbeam are generally 2 S-units louder than on my R7 vertical and the noise is much lower. 80m Vertical on a Spiderbeam 12m Fiberglass Spiderpole. My antenna is not a vertical but an inverted L which I presume is slightly less efficient (difficult to calculate). Here we have collected some links to building instructions of 11m antennas on the WWW. Spiderbeam's Aluminum Masts were originally purpose-designed for supportng The Spiderbeam Yagi Antenna. 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. com) antenna mast is 40ft long, made of fiberglass and pretty thick. Why using Vertical Dipoles: Everything starts in summer 2011, when i had to prepare antennas for the upcoming 2012 Pacific DXpedition (VP6T, TX6T, E51BKV, FK/F4BKV). I have a few raised bed gardens that sit in the middle of my backyard and I'm not going to fiddle with laying radials down for a vertical. 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,. A 6 meters station will monitor the Magic band, but only into a G5RV. The spiderbeam antenna. Back in 2009, the 3V3S team from Germany have installed an 18m vertical for 80/160 using Spiderbeam poles. Many DX-peditions are using these trees to construct a 4 square antenna for 80 or 40 meters. The Spiderbeam is a 3-element yagi on 20, 2-el on 17, 3-el on 15, 2-el on 12 and 4-el on 10. CU on all HF frequencies. - 2 pieces. Also the Spiderbeam is much longer than the SteppIr. Des recherches supplémentaires ont permis l’adaptation sur 5 bandes (20-17-15-12-10m). performance at this ridge-top QTH. Ham Radio Satellite Antenna Simple, inexpensive and lots of fun! Here is an easy to make home brew antenna that can get you on the air working satellites or be built for use as a portable Activities For Radio Hobbyists - Radio Control Radio controlled (RC) toys can be toy grade or hobby grade. The pole starts out very rugged at the bottom (73mm diameter / 2mm wall thickness) and still has 40mm diameter / 1. Aerial-51's passion is designing, building and testing. Even then the performance bandwidth is narrow. Spiderbeam Fundamentals The spiderbeam is a Tribander Yagi for 20-15-10m. Why using Vertical Dipoles: Everything starts in summer 2011, when i had to prepare antennas for the upcoming 2012 Pacific DXpedition (VP6T, TX6T, E51BKV, FK/F4BKV). I have a few raised bed gardens that sit in the middle of my backyard and I'm not going to fiddle with laying radials down for a vertical. I chose 58' for Mid 80 Meter Operation. 00GMT on the 40m band. ED1R Contesting site. If you know of any other antenna mfgs or there are any dead or incorrect links please email me. on the feedline length. VIBROPLEX & Bencher Morse code keys. (first call) so I remain hopeful. When used in a multi-vertical array, verticals can even provide low-band directivity. 5dB down; the tables turn when we look at front-to-back ratio, here the Spiderbeam shows numbers typical for a full Yagi (25. Even while having more space than the average ham, at ED1R we are restricted when it comes to lowband antennas. send email here. 66 in total. This antenna ended up being a little more mechanically complicated, because guying the bottom section only just seemed much too floppy. 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. Hexbeam Antenna Fiberglass Spreader Kit. The multi-band vertical at G4KNO Antennas multiBandVertical I had bought a 12m Spiderbeam pole to be used by Granta CG in the SSB Field Day Contest but I also wanted to press it into service as a (mainly LF) vertical at home. performance at this ridge-top QTH. In contrast to a regular yagi the director and reflector elements are bent in V-shape. C31LJ experiments with Spiderbeam Pole. Broadcast Masts, Power Protection by Sigalarm, Internal Cable systems. However, it is important to understand that this antenna is a low-Q structure. I will probably be corrected but the hex and spider beams are basically wire beam yagi antennas made up of divers and reflectors- think of the Tv antenna with the metal beams replaced by wire (simplistic) the hex beam and spider being yagi's are directional where as the cobweb is omnidirectional the cobweb is basically a number of long wire. UPDATE: I had the chance of trying this antenna while I was Denmark as OZ/DH7LM. Add some ladder line, and you've got another multi-band antenna to try. I like to experiment with antennas and have built many dipoles for the various bands. Link to Vertical Moxon PDF 73 Paul. This page contains a number of articles about single-band and multi-band HF vertical antennas. So, I'm frequently log on the CWCOM lately. In this video, I combine the HyEndFed 3 Band Classic antenna with a 12m Spiderbeam pole to make an easy to erect vertical antenna. The mast is a heavy duty push up type purchased from Max Gain Systems, which I believe is stronger than what you are planning to use. 160m Wire Vertical kit including 18m fiberglass pole kit for building an effective 160m wire vertical with 4 top hats - including 18m fiberglass pole - $ 449,00 (Tennessee residents must add Sales Tax ). In the case of the parallel wire version (without traps) the performance can exceed the commercial units. Vertical antennas can be very effective and vertical arrays of two or more antennas can function as powerful directional antennas. These are: a 3-element yagi for 20m, a 3-element yagi for 15m and a 4-element yagi for 10m. Is it possible to use H-422 on 80 meters band? Of course the size too small for that band, just 0. There are 2 versions (red and green) available, see below. The impedance seen by the tuner will depend. Fundamentally the antenna will work simply by connecting a 50 Ohm coax to its feedpoint. The antenna is a homemade "Triple-Leg" with a 10m long radiator and 3 radials (equal long), which are streched by an angle of 45°. Hexbeam from 20 - 10 m + WARC bands. For both the main vertical, and the elevated radials, the wider the radiator for the main current part of the antenna, the better the efficiency will be. I can compare where the two antennas have been heard using WSPR to see which is the best to reach a particular area. Antenna development work continues for the A35JT DXpedition. Antenna Parts Balun Designs - Baluns Bozak. People have also bought them to use as elements for lightweight HF yagis - six poles would make a near full-sized 3 element beam for 20/30m if attached to a suitable boom. HF/6m Vertical Antenna 3. Each Mono GAP is rated to handle the legal power limit and provide continuous coverage under 2:1 across the entire specified band. With the waning sunspots and declining propagation on the higher HF bands (20 - 10), many guys are turning more to 40 meters. 1 m (the lowest segment) safely mounted to the balcony railing and sidewall. The Feedpoint was 2 meters off the deck and the radials were parallel to the ground. What I would like to do next is operate portable from a more rural location and measure and differences in SNR on WSPR. Find great deals on eBay for spider beam antenna. Vertical on 160/80/60/40 m. This kit includes all of the spreader arms necessary to construct your own Hexbeam Antenna. 2014 Field Day - Free Standing Painter Pole Fan Dipole with W4EDF. Fortunately, antennas can also be configured vertically and in the process can show a significant improvement in the low-angle radiation needed for DX as compared to a low horizontally configured antenna. Wire antennas are a great simple way to work 40M and 80M rather than a noisy vertical antenna that requires horizontal radials. 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. Find great deals on eBay for spider beam antenna. The Aerial-51 Model 404-UL uses strong, lightweight components end-to-end, assuring reliability, even in adverse installations. 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. HAM Radio Shops, Amateur Radio Shop, Icom, Hytera, Kenwood, Yaesu, Antennas, Antenna Tuners, Power Supplies, Coax, CB Radio, Scanners, Receivers, Short Wave, Barnsley, UK, Call 01226 361700, Yorkshire The HAM Radio Shop Amateur Radio Dealer Suppliers United Kingdom Two Way Radio Hire Two Way Radio Sales Repair Service Scanners CB Radio. * 5 el 6m antenna up 13m === DXpedition gear * Radio Elecraft K3 (upgraded) * Radio Kx3 * Juma 1000 amplifier 1 kW all bands * 2015 Mosley Mini 32-ASP 14-18-21-24-28 Mhz 2 el beam. My inverted-V at 40 ft. There are 12 sections each 150 cm when extended. The Spiderbeam needs to be elevated. I started out with an extended Spieth mast (14m but very thin top) and Spiderbeam 12m mast. AMERITRON/MFJ/HY-GAIN. There are 2 versions (red and green) available, see below. We had to travel almost to the West Coast to find these great heavy-duty 19 to 32 foot telescopic fiberglass poles. It worked very well! I had to cut the wire several times until the SWR was very low in the 40m band – I could use the entire band. The Spiderbeam is a 3 element versus a 2 elements for the SteppIr. What marketing strategies does Spiderbeam use? Get traffic statistics, SEO keyword opportunities, audience insights, and competitive analytics for Spiderbeam. Various dipoles and verticals * Spiderbeam aluminiu mast, 12m Spiderpoles +++. The low band antenna team set to work and had the antenna operational again by sunset.