3 element beam Technical Specs: Type: 3 elements Yagi Radiation: Directional Polarization: Linear Horizontal 3 el. great DB gain and excelent rx also . A3WS WARC Bands 3 Element, 12 & 17M Enjoy the excitement of the WARC bands with this popular beam. Ruggedly built, using swaged & slotted tubing About 1/2" - 3/4" (towards the reflector) from where you just secured the driven element drill a hole all the way through the wood. NOW adjust that gamma for your 27. What is the half-power beamwidth of an antenna? The half-power beamwidth (HPBW) of an antenna is the angular width of its radiation pattern at which the power or gain drops to half (-3 dB) of its maximum value. Moxon Beam Wire Moxon M1DAZ. 99 Sirio SY27-4 4 Element Beam. Based on 2 reviews | Write a review. 99 Add to Wish List. YAGI 27 MHz (27Y4) The Smartech 27Y4 belongs to the family of low native impedance MACO M-103C Product #: 1000203 Palco Price: Description: 3 ELEMENT "MAXIMUM" BEAM 11 METER ANTENNA. All elements have plastic joining sleeves and are secured with 2 screws. The 3 element mono-band Yagis are by far the most cost effective beam antennas with good gain and excellent radiation patterns. 5 element 27/28/29MHz HD OP-DES Yagi (4. Boom made with 50mm tube. The Driven Element is isolated from the boom, the Reflector and Director are direct connection with boom. Ratings and Reviews. COM TEL: (425)-453-1910 . The CL-33-M uses the Mosley "Classic*" match and gives the antenna an excellent bandwidth while maintaining a High "Q" throughout all three bands. While it shares many similarities with its predecessor, the key difference lies in its The details of the 3-element Yagi antenna will be calculated using the equations above, and then annotated on the drawing. Sirio SY27-3 3 Element Beam. The M103 features a Maco 2kW adjustable gamma match for high performance. 9 Ultrabeam 3-Element Yagi Beam 6 – 20m 4. Location YU7U Brane and VK2DX Nick. 3 Element/ 11 Meter Base Antenna "Maximum Beam", Gain: 11(db) Adjustable Gamma Match 2000 watts; Boom Length: 11. 99 Wind Survival 90 MPH Tuning 10 / 11 Meter Gain 11 dB Front-to Belonging to the High Performance product line, the SmarTech 3-element Yagi-Uda 27Y3-DRK guarantees maximum efficiency, excellent forward gain, and an outstanding front-to-back ratio, thanks to its low native impedance design. The light weight is ideal for rooftop or. Share. A3WS gives full performance on 12/17 meters. The 3 element will give you more bandwidth and less gain than a four element yagi, but not that much less gain. A 3 ELEMENT BEAM Reflector-----115 and 1/2 inches Driven-----111 inches Director-----106 and 1/2 inches. Covers 10, 15 and 20 Meters. Wind Survival: 80 MPH. Designed for use on 10 / 11 (CB) meter bands. Cubical Quad Beam Calculations: Required Data Entry Center Antenna Frequency mHz Calculated Results: Hy-Gain is a leading manufacturer of antenna and antenna-related products. Spacing of the elements will be fine as from the factory. sizes and spacings. The front-to-back ratio stands at 20 dB at 14, 21, and 28 MHz, with a maximum element A helically wound two element 40 meter yagi beam antenna from a 1974 QST article (by W1FBY) EF403 is a 3 element yagi antenna for the 40 meters band with high gain and F/B Ratio (by YU7EF) 40m 2 Element Yagi Beam; A 40 meter band two elements yagi beam with a 6mt boom with pictures and drawings (by TA7OM) 40 Meters 3 element Wire Yagi ; RB-315 15 meter 3 element beam. M00-0515. When mounted at 1 to 1½ wavelengths or higher it’s a force to be reckoned with. P. If you CH, 3-element beam PN 805661 The Hy-Gain Model CB-3 is a 3-element. EXAMPLE of 3 element Yagi Antenna calculator: INPUTS : Operating Frequency (MHz) = 200 OUTPUTS: Reflector Length = 0. 1 to 0. KB4VVE Rating: 2019-03-24; Up 30 yrs - still wkng fine Time Owned: more than 12 months. ) 4. Unique design lets you set it up or take it down in seconds! Elements simply screw into the boom. It can be rotated with a heavy-duty TV. 50 ft. 2000 watt power rating. The second project below is the 6 meter Halo antenna. small area then this is the beam for you. 6%. Model PRO-57-B PRO-57-B-30 PRO-57-B-40 PRO-67-B PRO-67-B-30 The MINI-2000 beam ZX Antennas 3-element Tri-band 10, 15, 20m hf mini beam antenna is a compact yet powerful antenna designed to provide excellent forward gain in limited space. I had the V Quad set for vertical. Beam Antenna Turning Radius: 15. STEPPIR. (db) 25 3-element wire yagi supported between two trees. Ruggedly built, using swaged & This is my 3rd Mosley beam in 3 different locations; Delaware, Florida and Michigan. it is well worth the money for sure 11 meter 3 element beam Yagi (27 MHz). Triband HF Beam 3-Element 10, 15, 20 Meter INSTRUCTION MANUAL General Description The Hy-Gain TH3-MK4 is a 3 element, 3 band beam antenna designed for operation on the 10, 15, and 20 meter amateur bands. Beam and Yagi Antennas. $276. Purchase: Easy as some had it in stock. lt develops a forward gain of 8 dB, Page 2 I ~. VK4SP Rating: 2021-07-07; Great all round TRI-BANDER worth the money Time Owned: more than 12 months. ' LONG Reflector Assembly Select the two sections (7/16" 57-112") and slip the end with hole drilled through both walls into the Like the Delta Loop Beams this antenna also has a 3-D wind profile so may be more vulnerable to the elements. It has proved robust enough for every day use at my home QTH as well as portable use on my 10 metre pump up mast. 95. 0 dB F/B Ration = 20 dB Radiation Resistance = 22 Ohms Sirio SY27-3 3 Element Beam. 83 feet; Boom length 8. Sponsored. Maco M104 Assembly Instructions Includes part lists, schematics, and assembly instructions. Featuring a boom length of 14' and element lengths of 28', it offers gain values of 8. 99 Solarcon A99. 7MHz 3el beam PA7-3-12HD rising. Dimensions 4,0 * 4,0 meter, 40 meter 3 element beam Yagi (7 MHz) short boom DXBeam (Ref. This antenna has a very good F/B and bandwidth. 00 . 4. Anderson Radio Supply 4450 Hwy 24 Anderson, South Carolina, 29626 Hours: Tue. 3 Elements Vertical, 3 Elements Horizontal; 10 Or 11 Meter Tuneable Operation; Requires 2 Coax; 11. Add to Cart. 26 Sq. 5 30 MHz Tunable: Systems: 10m-HAM: Gain: 8. Yagi-Uda design dimensions can vary significantly with differences in element diameter, boom material, element-to-boom attachment method, and other factors that are ignored by this simple calculator. Your Cushcraft 6 meter beam is designed and manufactured to give top performance and trouble VA3MLV Rating: 2013-01-06; Works great Time Owned: more than 12 months. From the minim-ization of potential energy, we get the formula: • As with the bar element, the strain energy of the element is given by . Tax amount: £71. The boom is only 2m long, the turning radius is only 2. $245. For the higher feedpoint impedance, it is also somewhat easier to design a 3-element Yagi whose gain and front-to-back performance figures hold up across such HF bands as 20 and 15 meters--as well as Reflector will be 5% longer the driven element, director will be 5% smaller than the driven element. M. 500 in. The total cost of the Maco M103C 3 Element Beam 10/11 Meter CB Base Station Antenna 11dB Gain. The TH3JR-S is constructed of taper-swaged. 5 Number of Elements 3 * Longest Elements (ft)19 * Turn Radius (ft)10 * Surface Radius (sq. Feed the coax through the hole. SWR Moxon 3 element. 5 to 30MHz. 3- Overhanging beam. 81 05/22/2023 13406 SE 32nd St, BELLEVUE WA, 98005 WWW. 250 in. If this is desired in both azimuth and elevation, this results in a 10,000 element array. DXM40-3sb) Price €1,417. 3 Elements; 26. A wire yagi is in many cases a favourable alternative to a rotatable yagi. 1 - 27. These beams have about 7 dB gain over an inverted vee at the same height by itself, and are based on an OWA design from the late W4RNL. lt develops a forward gain of 8 dB, has a front-to-back ratio of 20 dB and front-to-side ratio of 40 dB. Lightweight so even a tv rotor is sufficient. The feedline would connect at the angle in the center element. Hy-gain av-6160 43 foot self-supporting vertical antenna 160-6 meters (11 pages) Antenna Hy-Gain AV-18HT Instruction Manual “hy-tower” vertical antenna 10,15,20,40, and 80 meters (37 pages) Antenna Hy-Gain V-6R Instruction Manual. 7-element yagis. This document provides assembly instructions for a 3 element, 11 meter maximum beam antenna. This means that this beam also fits on a terraced house without violating the neighbour's airspace. 00 Add 3 element 27MHz LFA-Q Quad Beam (3. 5 out of 5 stars. item 3 M103C MaCo CB Radio Base Station, Beam Antenna M103C MaCo CB Radio Base Station, Beam Antenna. Spacing between elements is 34 and 1/2 inches. 5 dBd, 10. The CL-33-M is a heavy duty 3 element beam for 10, 15, 20 Meters! The CL-36-M is designed for the operator who wants the best performance possible in a tri-band antenna. On picture: YT1MI Miki, YU1MM Maksa, YU1CF CH, 3-element beam PN 805661 The Hy-Gain Model CB-3 is a 3-element. HB9-70 2 Element HB9CV 70 cm Beam Antenna $ 26. Hy-Gain VB-23FM ~Yagi Antenna, 2m, 3 Element. There are plenty of plans online to build your own tape measure antenna, but no good step by step video that takes you through Belonging to the High Performance product line, the SmarTech 3-element Yagi-Uda . I had good luck with it as I was able to work dudes near me that my vertical struggled. 5" Weight: 2. . Buy M It does require an amplifier to boost the TX of a two element hex to compare with the TX signal of a three element yagi, because of the advantage of a director on the three element antenna. Frequency range: 26-28 MHz Impedance: 50 ohm unbalanced Radiation (H-plane): directional Polariza. 3 Element Hor/Vert Beam $339. The antenna is matched to 50 ohms with a shorted two-wire line matching system, also known as a hairpin, which not only transforms the feeding Page 1 M1 0 3 C 3 ELEMENT 10/11 Meter Maximum Beam w w w . 5', Turn Radius: 10' Power Multiplication:20x; Front to Back Separation:25(db) Stack with YQSK for extra 3db; Boom OD See more The Sirio SY-3 is a 3-element CB antenna beam known for its exceptional signal reception and transmission capabilities. In the space The first project is a 3 element 6 meter beam. The set consists of a reinforced tube (1m long, 50mm in diameter and 5mm wall thickness) to which the 7. SURF, ORB, A-KAZE) Combining bearing information and optical flow velocity What is a beam? Beams are horizontal elements which carry loads mostly perpendicular to its axis to distribute them to its supports. Figure 2 — General outline of the 3 element wideband short-boom Yagi for 6 meters. 66 meters, Reflector to Dipole Spacing = Yagi-Uda design dimensions can vary significantly with differences in element diameter, boom material, element-to-boom attachment method, and other factors that are ignored by this simple calculator. I researched 3 element beams as I am relatively space limited. 4 product ratings - Maco M103C 3 Element Beam 10/11 Meter CB Base Station Antenna 11dB Gain. I have room for something like this, but I'd go with a traditional quad before this, unless I scored one cheap. They are incredible value for money and with good band The Sirio SY 27-3 is a high quality, light weight, low priced 3 element beam that covers 26. Use the drawings to help you in identifying the parts. The TH3-MK4 uses Hy-Gain's full power "Hy-Q" traps, and HyGain's rugged boom-to-mast bracket. 0 on a scale of 1 to 5. The logical first step might be a 2-element Yagi. Tri-band, 9 element beam, 40 foot boom. It includes a parts list and detailed instructions and diagrams for assembling the boom, mounting the elements, and attaching the gamma match. 5 * Boom OD (inches)1. 00 Maco VQ3 is a full wave 3 element beam antenna for CB & 10m with horizontal or vertical polarization. Yagi 3-element beam at 30′ and 10 degree elevation. A 3 ELEMENT BEAM Director-----106 and 1/2 inches. It gets good reviews! 3-element wire yagi supported between two trees. 1875 meters Formula/Equations used in Yagi Antenna Calculator. Its mode of deflection is primarily by bending. The 3 element Yagis on HamSphere 4. 7425 meters, Dipole Length = 0. Refer to the data for your antenna band. 95 £1,199. The “TET-Emtron TM” model TE-33 is an optimum performance 3 element HF Beam Antenna. ADD TO BASKET Mosley MP-33-N HF 3 element beam antenna offers coverage for the 28, 21, and 14 MHz bands. 85m boom length 11m max. Matrix Structural Analysis – Duke University – Fall 2014 – H. FYI I made a two-element 12m/17m beam using some Mosley traps from a 20/15/10m tribander. Antenna Power Rating: 1,500 W . Featuring three elements, this antenna boasts improved gain and directivity, enabling more effective long-range The Mosley TA-33-M is a high-frequency 3-element beam antenna designed for 10m, 15m, and 20m bands with a maximum power rating of 2. 3 Elements; 9' Boom Length; 12 dB Gain; 30X Power Multiplication; 25 dB Gain Front To Back; 10 1/4' Turn Radius; 4. 00 3-Element Parasitic Beam For 6 or 10 Meters: 3-Element Parasitic Beam For 11, 15, or 20 Meters: Power Gain = 7. HF Beam Element Material: Aluminum tubing . Every elements is supplied with jointing sleeves of The complete three element 50MHz beam. A3WS needs only a lightweight tower and rotator or mount it above an existing tribander 3 band 3 element yagi for 10,15, and 20 meters. dTkd 2 1 10 40 meter Full size heavy duty Yagi antenna 3 elements PA7-3-12HD Full size 3 elements Yagi antenna. When compared to a two element quad, the performance is very close to the same between the hex and quad, as long as the quad uses insulated wire. 2 lbs Mast Diameter: 1 5/8" - 2 1/16" O. 10:00 - 4:00 PM EST Friday 10:00 - 2:00 PM Closed Sat. Effective Moment (approximate): In comparative terms, this is about halfway between the gain of the wide-band 50-Ohm beam and a highly optimized 3-element beam with a boom length of about 12' or so. The similiar contructed λ/4 verticals offer always perfect match as tuned groundplane. The Tri-band , 3 element beam, 18 foot boom. Longest element 18 feet. 2m) A Super High Gain Quad-style beam antenna for 27Mhz for Sales price: £429. 66. This mini beam offers impressive performance with its Maco M103C 3 Element Beam. (you can cut up an old TV antenna, they work great). The differences among the beams amount to more than numbers. , 17 ft. The weaker gain of the two Check out MFJs portable 3 element beam for 2 Meters. Azimuth Plot Moxon 3 element. 3 mc). One characteristic of beams is that they act in bending, which occurs when loads The biggest problem is trying to get the VSWR flat on a vertical 3 element beam with that mast in the way. D. The calculator creates equal spacing between the elements, which achieves a balance between good bandwidth performance and a decent 50-Ohm match. They are incredible value for money and with good band 3 Element Hor/Vert Beam $339. The loads applied to the beam result in reaction forces at the beam’s support points. 4 el. With the continous mechanical tuning of the element lengths SteppIR Yagis achieve the performance of comparable monoband beams - but on many bands. 2 Sq. It has been completely made of anticorodal aluminium and supplied with big section Boom and steel bracket for the fitting on the support mast. It is constructed of excellent material and the color coding makes it easy to assemble. This page is intended for users that want to experiment with a yagi design but do notneed all the rhetoric contained on the main Yagi Design Page. The total weight for the antenna is less than 3 kilograms! I am extremely pleased with the DX I have worked with it. Add to cart. Its mode of deflection is primarily by bending, as loads produce reaction forces at the beam's support Long john monobander 3-element, 10-meter beam (11 pages) Antenna Hy-Gain AV-6160 Instruction Manual. YAGI S 27 MHz (27Y3S) Small, compact, stinging. The gain is high enough to compete favorably with most 3-element tri-banders on 10 meters. Its easy to store and sturdy enough to use as your base station antenna. The driven element and first director are relatively close-spaced, and I’d recommend Electrically, Mosley Scotch-Master beams are second to none in their lightweight class of three-element, four-element, and five-element powered beams. $5. Elements made from 22 to 12mm tube. Add to Compare. I. Frequency range: 26-28 MHz Impedance: 50ohm unbalanced Radiation (H-plane): directional Polarizat. Maco M104 Assembly Instructions. rotator. 99 In Stock Features. The Yagi has high gain in one specific compass (azimuth) direction and very low gain in the opposite direction when compared to the Sirio 3 element Beam SY-3. It has one driven element and one parasitic director. 0 dB F/B Ration = 20 dB Radiation Resistance = 22 Ohms 40 meter Full size heavy duty Yagi antenna 3 elements PA7-3-12HD Full size 3 elements Yagi antenna. 1875 meters, Dipole to Director Spacing = 0. Figure 3 — Photo of the entire central beam structure, including the PVC boom and mast stub. From this graph, it is worth noting some observations relative to array sizes under development in the industry. Unpack the antenna from the carton and check the parts against the parts Ii st. € 158. 56. lightweight tower installations. us is a web-site about wire antenna's. A beam element . The Hy-Gain TH3-MK4 Tri-Band Beam Antennas are 3-element, 3-band beam antennas designed for operation on the 20, 15, and 10 meter Amateur bands. Sales price without tax £358. Yagi vs. Perfekt for the DX bands 20, 17, 15, 12, 10 and 6m, for 2m Band 3 Element Beam Antenna Specifications: Frequency: 144-148 MHz Gain: 6. 5 dBd at 14 MHz, and 7. 5 - 8. Tri- band, 6 element beam, 24 foot boom. Show More. € 149. Using the driven element as a focal point, the direction of maximum signal is to the left, away from the director. Love it! GW4FOK Rating: 2014-02-01; Does the Job Time Owned: 3 to 6 months. 11. Great Performa on 10,15 and 20 Easy assembly colour coded makes it a breeze, I use it for DX and get great reports ,VSWR is within specs : KD8BBK Developed a 3-element beam steering antenna Demonstrated preliminary performance Environment noise handled by moving average filter Distinct lobes for peak detection Capable of determining bearing in real world environment Navigation. 5' long, 3 element M103 base station antenna can be mounted either vertically or horizontally for best base-to-mobile or base-to-base communications. Learn more. 89 feet; Page 1 ASSEMBLY AND INSTALLATION A50-3S 3 ELEMENT 6 METER BEAM COMMUNICATIONS ANTENNAS 951364 (12/94) ; Page 2: System Grounding CONSUMER PRODUCT SAFETY COMMISSION AND LISTED IN THE ENCLOSED PAMPHLET. ): 1. 4091 Viscount - Memphis, Tennessee 38118 (901) 794-9494. Every elements is supplied with jointing sleeves of In 2D space, a beam element has 3 DOF (degrees of freedom) at each node (two translation and one rotation). The antenna fea-tures super strength stainless steel hardware and a. The extra gain and directivity from this beam could get you through when a vertical cant. Paypal users please use checkout below. A beam is a structural element that primarily resists loads applied laterally across the beam's axis (an element designed to carry a load pushing parallel to its axis would be a strut or column). ® MOSLEY ELECTRONICS Sales: 800-325-4016 Technical: 636-583-8595 Tri-band hf 3 elements beam (12 pages) Antenna Hy-Gain TH-1 Instructions Manual. Still tuned right where I set it. 3 Element Beam For 10 / 11 Meter (CB Radio) Horizontal or Vertical Polarization; Number of Elements 3 Longest Element 19' Turn Radius 10' Surface Area / Wind Load (sq feet) 3. titantime (2,910) 98. beam des igned to operate over the entire frequency range (26,9 to 27. The fixing part with rapid mounting system is made of die-cast metal to get the maximum strength. can : carry a moment. Therefore, it can also carry a load transverse (normal) to its axis. 3 dBd Zx Antennas 3-element tri-band 10, 15, 20m beam Mini-2000 is a compact and efficient antenna designed for amateur radio operators. Element Length: 5 m : Mono-/Multiband: Multiband : Brand: ZX-Yagi : Impedance (Ω) 50 Ohm : Supported Bands: RB-315 15 meter 3 element beam. Description Reviews (2) Frequency range: 26 Made in the classic directional Yagi design, this type of antenna has maximum beams on its base that let you mount it vertically or horizontally. Got a Maco 103 which stands for 10m 3element and that's what it is a 3 element mono bander for 10m and it works great , switching back and forth from a multi band vertical to the 3 3 3 element mono bander you can really notice the diff of a few s units depending on test if its local or DX but regardless it The WB0CMT 3 Element 2 Meter Yagi Using PVC boom Article edited from the original April, 1993 QST and modified for clarity. 3 dBd at 21 MHz. Can be upgraded for higher power and three additional bands (12, 17, 30 or 40M) Product is in production: It held up excellent and worked as well as any 3 element beam I have used. Stack with VQSK for an extra 3 dB gain. Now you have a beam that competes with the 3 element standard Yagi, but does so on a much shorter boom. From Help Tickets to Warranty Information We've Got You Covered!!! The MINI-2000 beam ZX Antennas 3-element Tri-band 10, 15, 20m hf mini beam antenna is a compact yet powerful antenna designed to provide excellent forward gain in limited space. length If I needed 3 element 6 meter beam I would buy another one. A full-size wide spaced 3 element monoband beam, it’s easily supported by a medium-duty tower, and turned with a medium to heavy-duty rotor. 7 Mhz. This page assumes that you have already read the information on the Yagi Design Page and understand what each of the text boxes and selectors are for. By default, beams that are connected to each other are “welded” to each other. 3 wavelengths, depending on the design. This mini beam offers impressive performance with its 3 element to a 4 element Yagi – Conversion Kit $ 2,355. The CL-39, a nine element version for 10, 15, and 20 available on a 36 foot boom 2” or 3” OD. For a 4 element beam only use the Reflector/Driven/Director 1/ Director 2. With the addition of our easy-to-use A-103 add on kit, it will also cover 30 meters. Its the same story for whatever size Cubical Quad you would like to build. On Air Testing: 17 meter Yagi vs W5GI Mystery Antenna I have two 17 meter setups, one is a multiband dipole. MAC0 M103C FIGURE 3 ELEMENT ASSEMBLY AND MOUNTING To assemble the elements, use (4) of the clamps (W58P) and #lO x l/2” screw and square nuts consists of a three element beam, but instead of the usual reflector, driven element and director configuration, it uses a close spaced dual driven element and a single director. As of today there are 47 eHam reviews of this antenna with the average rating of 5. Moxon. Feet Wind Load Surface Area; 1. 3 Elements Vert. And thru 5+ hurricanes. In my opinion it is the finest quality beam on the market. Quick View. Boom = 8 feet. In the classic directional Yagi design, the Maximum Beams line of base station antennas can be mounted either vertically or horizontally for best base-to-mobile or base-to-base communications. No wires are attached to the director, so go ahead and use three staples of hold the element down. 0. 00 ft. " REFLECTOR BOOM ' 1 ,. N7NWP Rating: 2021-01-23; Good deal Time Owned: 0 to 3 months. The SmarTech 27Y3S is an antenna that has all the a. element length 3 elements, one driven Square boom 60x60mm No truss The classical shortwave antennas by Ultrabeam: starting with the rotary dipole up to the 6 element Yai antenna for all bands from 6 to 20m. 21. This style is widely available in aluminum commercially and there are many parts suppliers and plans available for DIYers to construct Maco M103C-HV 3 Element Beam $319. The 1° accuracy is only at . Specifications • Forward gain in free space (dBi): 7. Gizmotchy beams are made to be built upon. This page minimizes all the clicking, scrolling, and popups but still uses all of Beamwidth vs. This Item. , & Mon. As with all Mosley antennas, your elements and boom pieces are all pre-drilled and color coded, which The Driven Element is isolated from the boom, the Reflector and Director are direct connection with boom. Rated for 1200W PEP or 500W CW. Wind Surface; 12. Hy-Gain VB-25FM 5 Those of us with more time than money get the urge to upgrade our antennas from dipoles to beams in the home workshop. 3 dBd at 28 MHz, 6. 99 . In the April 1993 QST, Nathan Loucks, WB0CMT, (no longer active) described a 2 meter beam, (Yagi) with a PVC boom shown in the drawing below. HF Beam Antenna Longest Element: 27. MFJ Enterprises Inc Our Brands: Important Information. The Sirio SY 27-3 is a high quality, light weight, low priced 3 element beam that covers 26. Dimensions:800mmx3000mmx85mm Weight:1. 20OFF2024. Price: $209. 5-band, 4 element compact beam. 7095 meters, Director Length = 0. On picture: YT1MI Miki, YU1MM Maksa, YU1CF [] Hy-Gain TH3-MK4 Tri-Band Beam Antennas are 3-element, 3-band beam antennas designed for operation on the 20, 15, and 10 meter Amateur bands. 8m) A 5 element Wideband 27Mhz, 28MHz, 29MHz Dual-Band OP-DES Sales Mosley MP-33-N HF 3 element beam antenna offers coverage for the 28, 21, and 14 MHz bands. The options may be chosen on the product page DB11 Yagi Antenna, 20m-6m Package HF Beam Antenna Elements: 3 . 3 el. 66 meters, Reflector to Dipole Spacing = 0. (you can cut up an old TV antenna, they work Page 1 ASSEMBLY AND INSTALLATION A50-3S 3 ELEMENT 6 METER BEAM COMMUNICATIONS ANTENNAS 951364 (12/94) ; Page 2: System Grounding CONSUMER PRODUCT SAFETY COMMISSION AND LISTED IN THE ENCLOSED PAMPHLET. TH3-MK4 antennas use Hy-Gain's full-power capable "Hy-Q" traps, a rugged wire beam antennas DX4. Brand New. 65 dBi Gain; 1000 Watts Continuous, 3000 Watts Short Time; Horizontal Polarization; 120 Kmh Wind Resistance; Factory Tuned At Mid Band; Longest element 18. HF Beam Antenna Longest Type:3-elements beam antenna (144MHz) / 5-elements beam antenna (430MHz) A502HBR2: 50MHz(6m)2-ELEMENTS PHASED DRIVE BEAM ANTENNA. HF Beam Antenna Longest Element: 18. It's worth adding that there was one 3 element vertical beam that designed a way around this problem. Scotch-Master beams may be mounted vertically or horizontally, and rotated easily with a standard, inexpensive TV antenna rotor. Recommendations. ft. Wind survival speed 135km/h. 5-band, 4 element beam, 18 foot boom. Write a The G35 from Gizmotchy is a 3 element beam antenna with horizontal and vertical polarization. A typical 3-element full-sized yagi on 40 meters weighs at least 100 kg (225 lb), 10 to 15 ft² of wind load, and costs upwards of US$2,500. Each set of vertical/horizontal elements is counted as 1 element - so a "3 element" Gizmotchy beam actually features 9 elements. -HB9-70 2 Element HB9CV 70 cm Beam 3 Element Yagi Instruction Manual Revision 3. One or both of the end overhang of this Check out MFJs portable 3 element beam for 2 Meters. 2 SteppIR -Why Compromise? The SteppIR antenna was originally conceived to solve the problem of covering the six ham bands (20m, 17m, 15m, 12m, 10m and 6m) on one tower without the performance 10 meter 3 element beam. This seemed to fit the bill. MAE 456 Finite Element Analysis Beam Element – Formal Derivation • The formal beam element stiffness matrix derivation is much the same as the bar element stiffness matrix derivation. The RB-315 has surprisingly good DX performance even when operating as low as ½ wavelength. 95 – $ 4,415. 43 Add to cart; UrbanBeam Yagi Antenna, 40-6m Package $ 3,865. * Boom Length (ft)11. These beams have about 7 dB gain 3-Element Parasitic Beam For 6 or 10 Meters: 3-Element Parasitic Beam For 11, 15, or 20 Meters: Power Gain = 7. 6m. This article has been edited from the original QST article with added 1 - "Over the boom" guy set with vertical support included: Due to the weight and size of the 3 element 40m beam, an "over the boom" guy set providing vertical support is now included. In comparative terms, this is about halfway between the gain of the wide-band 50-Ohm beam and a highly optimized 3-element beam with a boom length of about 12' or so. YAGI 27 MHz (27Y3-DRK) Belonging to the High Performance product line, the SmarTech 3-element Yagi-Uda . Figure 1 overlays the free-space E-plane (azimuth) patterns for the three antennas. MANUAL Model CB-3 CH, 3-element beam PN 805661 The Hy-Gain Model CB-3 is a 3-element. Made in the classic directional Yagi design, this type of antenna has maximum beams on its base that let you mount it vertically or horizontally. 3. They are usually 2 elements. A member of the MFJ family of amateur radio brands, Hy-Gain built its stellar reputation by producing some of the finest Yagi and vertical antennas on the Arrow II Dual Band Handheld Yagi 3 Element Beam on 2 Meter, 7 Element Beam on 70 cm This model does NOT include the 10W Duplexer Arrow antennas are hand held directional Yagi antennas made in America and a About 1/2" - 3/4" (towards the reflector) from where you just secured the driven element drill a hole all the way through the wood. 75 ft. The Maco M103C base antenna is ruggedly built, with slotted tubing for maximum strength, and The first project is a 3 element 6 meter beam. 1 dBd Max Power: 500 Watts PEP Boom Length: 43. Anderson Radio Supply 4450 Hwy 24 A statically determinate beam, bending (sagging) under a uniformly distributed load. The front-to-back ratio is about 18 dB at the band edges, but for most The ZX-Yagi Mini-2000 Beam is a shortened yagi for the three classic amateur radio bands 10, 15 and 20m. beam angle at an element spacing of λ/2 for an element count of 16, 32, and 100 elements. 95 Select options This product has multiple variants. Darn thing was awkward to manhandle. great for 10 and 11 meter bands . but It can also be easily made to work on the 28 MHz Amateur Band. elements. Belonging to the High Performance product line, the SmarTech 3-element Yagi-Uda 27Y3-DRK guarantees maximum efficiency, excellent forward gain, and an outstanding front-to-back ratio, thanks to its low native impedance design. Beam Antenna Boom Length: 14. Ruggedly built, using swaged & slotted tubing for maximum strength with minimum wind loading. The Sirio SY-3 beam antenna bolts right together in minutes. 4-band rotatable dipole (9 pages) Antenna Hy-Gain THUNDERBIRD TH6-DX Instruction Manual (22 pages) Antenna Hy-Gain TH-11DX Instruction Manual. Gamma Match. 5 dB Gain; 21 X Power Multiplication; 34 dB The Mosley CL-33-M is designed to give you an Excellent 3 element beam on 10, 15, and 20 meters. 65 dBi: Bandwidth: ≥ 1. Last one. You can start with this 3 element model and then you can increase Beam Stiffness Consider the beam element shown below. Heavy duty. 5 dB Gain; 21 A good quality 3 element directional Yagi beam antenna for use on 27/28MHz. The Maco M103C base antenna is ruggedly built, with slotted tubing for maximum strength, and 3 elements Yagi Beam antenna working on 27 MHz band with Gamma Match System. Select number of elements: 2 3 Enter frequency: MHz Press Button: Element Feet Inches Metres Reflector: Select number of elements: 2 3 Enter frequency: MHz Press Button: Element Feet Inches Metres Reflector: The Mosley TA-33-M is a high-frequency 3-element beam antenna designed for 10m, 15m, and 20m bands with a maximum power rating of 2. TH3-MK4 antennas use Hy-Gain's full-power capable "Hy-Q" traps, a rugged boom-to-mast bracket, and all stainless hardware. Free returns. As I am a fan of DK7ZB design for its gain and simplicity (The first one I made with his design decades ago for 6m), I chose to make the 3m boom 3 element 28ohm A beam is a structural element that primarily resists loads applied laterally to the beam’s axis. Hy-gain av-6160 43 foot self-supporting vertical HF Beam Antenna Elements: 3 . Compare with similar items. Direction of the strongest transmitted signal is from the reflector toward the director. 17' Omni Directional Base Antenna Fiberglass Base Ant. As things developed, it was discovered that SteppIR manufactures freely tuneable multiband beams with 2, 3 or 4 elements for 40 to 6m or 20 to 6m. Gavin 2 Beam Element Stiffness Matrix in Local Coordinates, k The beam element stiffness matrix k relates the shear forces and bend- ing moments at the end of the beam {V1,M 1,V 2,M 2}to the deflections and rotations at the end of the beam {∆ Figure 1: 3-Element yagi-uda beam antenna The yagi antenna's basic design is a "resonant" fed dipole with one or more parasitic elements. Following formula/equations are HF Beam Antenna Elements: 3 . The TH3MK4 will mount on a standard 2" O. Free shipping. 1kw power rating. Simple 3 element Yagi Beam Calculator for Amateur Radio . The 3 Element Yagi for 11m at 95 feet heigh. E. Beam Antenna Boom Length: 8. Figure 3 shows the pattern at 3 point across the band. Mark where the director element will go. These parasitic elements 3 elements Yagi: Radiation: Directional: Polarization: Linear Horizontal: Frequency range: 26. In the classic directional Yagi design, the 11. Shorter antennas, particularly the 2-element designs, may be supported from a cross spreader on top of a single mast, and rotated by untying and moving the bottoms of the ropes. YAGI 27 MHz (27Y4) The Smartech 27Y4 belongs to the family of low native impedance Yagis. After a fairly thorough review of lots of options, I decided to purchase the Par Electronics Stressed Moxon, SM-50. 6mhz yagi and have some fun. Total Tax: £71. 5-band super thunderbird (36 pages) Antenna Hy-Gain AV-6160 Instruction Manual. 5 * Wind Survival (mph) 90 * Tuning (Meters) 10-11 * Gain (db)11 * Power Multiplication 20X * Frnt-to-Back Sep. The coax and loop around the rotor also changes the VSWR as it moves due to its close location to the element. 29. 6-meter collinear gain Yagi 3-element beam at 30′ and 10 degree elevation. $234. 2MHz @ SWR ≤ 2 Max Power: 1000 Watts (CW) 3 Element Vert/Hor Beam $269. Maco M103C 3 Element Beam Base Station Antenna. The HB9CV antenna is the most popular directional antenna in the world. 5 Boom Length; 10. The beam is of length L with axial local coordinate x and transverse local coordinate y. They are incredible value for money and with good band EXAMPLE of 3 element Yagi Antenna calculator: INPUTS : Operating Frequency (MHz) = 200 OUTPUTS: Reflector Length = 0. Price $160 +shipping. Most economical antenna of its type on the market today, all 3 ELEMENT - 11 METER MAXIMUM BEAM M103C Mace Manufacturing Co. mast 3 elements Yagi Beam antenna working on 27 MHz band with Gamma Match System. So, we planned to make two antennas. With its tri-band functionality covering 10, 15, and 20 meters, this antenna offers versatility for FIGURE 3 ELEMENT ASSEMBLY AND MOUNTING To assemble the elements, use (4) of the clamps (W58P) and #lO x l/2” screw and square nuts (S2 1 ,Nl 1) as shown in the element The Sirio SY 27-3 is a high quality, light weight, low priced 3 element beam that covers 26. 3 Element/ 11 Meter Base Antenna "Maximum Beam", Gain: 11(db) Adjustable Gamma Matc. $209. g. 2 db of forward gain. Bandwith; 8. 42 sold. Six wide spaced elements: 4 elements on 10 meters, 3 operating elements on 15 and 20 meters. The other is my NEW 3 Element Beam in this project. NEW YEARS FLASH SALE! 3 DAYS ONLY, 3 CODES, 3 OPTIONS! Use . Brand: Sirio Product Code: S20-05002. It was called the Asrto Beam and used a flared out coaxial radiator as the lower portion of the driven element. Almost gone. I liked the easy setup of this antenna and the feed A 3-element yagi ameliorates much of these concerns. The instructions specify cutting and fitting the tubing elements to size and adjusting the gamma match to achieve a minimum standing wave The 2 Meter band tape measure beam antenna is a 3 element Yagi with about 7. Tri-band, 3 element compact beam. A 1° beam accuracy requires 100 elements. 5 KW Power Handling; We do not ship base antennas outside the continental United States. Assembly: Easy. A driver-director design (in fact, any 3 Element " Maximum" Beam. It gets good reviews! item 2 Maco M103C 3 Element Beam 10/11 Meter CB Base Station Antenna 11dB Gain Maco M103C 3 Element Beam 10/11 Meter CB Base Station Antenna 11dB Gain. Cushcraft A50-3S – 6 Meter, Beam, 3 Element, 8 dBi, 1 KW $ 264. PA7-3-12HD on a strong wind. 7kg Frequency:50 to As general information, the director is the shortest element, the driven element is the middle element (in a 3 element beam) and the reflector is the longest element. 00. 5 Boom Length If you want to only build a 3 element beam, then only use the Reflector/Driven/Director 1 sizes and spacings. Made of anticorodal aluminium with a strong boom and bracket. Moxon 3 element. They can be sometimes confusing as all can but lay Well the 3-element Astro Beam using the ASTRO-PLANE as the driver, not only had more gain than the best 3-element beam, but also over 40 db front-to-back rejection! The engineers working on this antenna didn’t know why (although they didn’t want to admit it), and set out to find why this phenomenon was occurring. Conclusions; The 3 element beam met all the criteria which I set out to achieve. 0 have all been meticulously designed to deliver Before that, the only "beam" I ever had was 3 element Yagis for 6 and 10. aluminum tubing which offers low wind resis-tance. The local nodal forces are given by fiy and the bending moments by mi. n e t; Page 2: Packing List TIP SHEET Please note: In an effort to keep the price on Maco Antennas down, we have decided not to clean up all the burrs and rough edges on the parts. Buy It Now. Complete with color-coded, pre-drilled parts and illustrated instructions for fast, easy Tri-band HF 3 Elements Beam. Read the instructions. The MP-33 antenna is a successor to the TA-33JR model. 5' Turning Radius; 5. 3 Elements Hor. gross price Sales price without tax: £358. A great antenna that doesn't require the expense of a heavy tower and rotor. - Thurs. to get $20 off $150+, 3 Element Beam $159. HF Beam Antenna Boom Diameter (in. ma c o a n t e n n a s . Of course, I had to Recommended for the TH-3JRS, HF BEAM, TRIBAND, 10/15/20M, 3-ELEMENTS. Qty: - OR - Add to Wish List Add to Compare Rating: 5 /5. This lightweight antenna is perfect to use for fox hunts or as a portable directional antenna for public service events. (W5GI's Mystery Antenna) Fed through a MFJ tuner. This is a very very good beam for the size it can take the wind and the set up was a breeze. 4 CEE 421L. I've owned this antenna since 2012. Spacing is on the antenna bar holding the elements, with equidistant spacing from each of the outside elements to the driven element. The overhanging beam is a combination of a simply supported beam and a cantilever beam. The local transverse nodal displacements are given by vi and the rotations by ϕi. Opens in a new window or tab. Because the connection is “continuous” (carries axial, shear, moment), a Cushcraft A50-3S - 6 Meter, Beam, 3 Element, 8 dBi, 1 KW quantity + Add to cart. £999. Extending the mast beyond that point makes the coupling to the driven element stronger but it does correct the undesired beam tilt. There are few used yagis in this class since they frequently fall victim to wind and weather before Check out MFJs portable 3 element beam for 2 Meters. - Division of Majestic Communications, Inc. 5mm non-metallic tensioning cable (CU1) attaches. These antennas are very popular in the real world of HF radio as well as on HamSphere 4. The small packing size and the The spacing between elements in a 3-element Yagi antenna can be approximately 0. The elements are 1/2 inch aluminum tubing of 1/16-inch wall thickness. , Sun. boom-to-mast bracket that When S21DW heard that I am planning to make an 3 elements short beam for 10m to replace my 2 elements 10m antenna he immediately jumped to make it asap. 5kW. Here is an excellent example of a wire Moxon. 4-Element Yagi Array: The drawing on the right shows a two element Yagi antenna. Built with high efficiency traps, all stainless steel hardware and rugged aluminum construction, guarantee a long and trouble-free operation A helically wound two element 40 meter yagi beam antenna from a 1974 QST article (by W1FBY) 2 elements YAGI for field day operation; A wire yagi antenna for 20 and 40 meters band suitable for outdoor and field day The Yagi antenna is the most common construction form for a “beam” antenna. 10 Or 11 Meter Tuneable Operation; Turn Radius: 10' 11. Your Cushcraft 6 meter beam is designed and manufactured to give top performance and trouble Heavy duty 3 element beam covering 10, 15, 20 meters. 8 db gain. Future Work Use of different types of features (e. nvnm bwvfcj zwifz wfis szyppn evoujit qjcknan nbeddd tco nhzokl