20 meter quad antenna. 1 wavelength cubical quad antenna dbi gain 3.

20 meter quad antenna The antenna that is below the quad is a 6 meter moxon that is made from TV tray legs! A 3 Element Mono-band Yagi for 20 Meters; Compact 20m Yagi; 80 meter quad antenna « The Copper Cactus Antenna. This antenna can beRead More. And Cubex make a fine product, their 4 element 5 bander will out talk most any other single antenna on 10-20 meters period. I drilled a hole in the base plate to run the feed line through, then ran it up the opposite side of the feed point connections and over the top of the center post and connected to the 20 meter feed point. These distinctive antennas are the result of decades of quad design and manufacturing experience. ft. The antenna is an ARRL Handbook design. All stainless steel, 600 Watt, with proper strain relief. AND almost everyone on 10 meters uses vertical polarization. as of 2021. 3 (doubles a dipole gain) 25 ohm fed rectangular shape quad antenna dbi gain 4. A 4 element delta quad antenna for 15 meters in french. 4 (cubical quad driven element) 50 ohm fed rectangular shape quad antenna dbi gain 4. Fig. Length, Stainless Steel Hardware, Each See More Specifications. However, this particular yagi was run through a computer program and performed very well. It was also scaled to 70 This 20 Meter Extended Double Zepp (EDZ) antenna should produce a 3-dB over the average half-wave dipole. 4 + j25. w. This alternative employs 1/8-wavelength stubs somewhat after the fashion of the OptiBeam 40-meter-20 Excellent Quad Antenna projects for 40 20 17 12 10 and 6 meters band in this pdf file project by Pfeiffer Maltese. , this antenna has proven its worth as it has given results equal to and often superior to the three-element wide- spaced beam it replaced. It is used by radio amateurs on the HF and VHF Find EAntenna HF Rotatable Antennas 20 meters HF Beam Antenna Bands and get Free Shipping on Most Orders Over $99 at DX Engineering! EAntenna HF Rotatable Antennas include a comprehensive range of mono-band and multi-band Yagi beams and rotatable Delta Loops and Dipoles. If you don’t have a dip meter then once all the elements are in place the driven element may be adjusted in size Durable Easy To Build 4 Element 6 Meter Quad Or 6N2 Or 4 Element 6 And 5 Element 2 Permanent Or Portable (16) 4' electric fence Sun Guard II fiberglass Step in stakes (20 if you will be adding 2 Meter elements) I purchased mine at Tractor Supply for $1. 40 and 20 meters mobile antenna An improved 40-80 double extended zepp Article originally published My stock of 3-element monoband quads for 20 meters includes a 24' boom design from K2OB, a 20' design from W6SAI, and a 24' model of my own devising. VE3GK antennas. The antenna is resonant on the bands it has been designed for, and to my delight I also find that it is resonant on 6m. An automatic tuner should tune this antenna with no problem. A quad is a Yagi–Uda antenna 15, and 20 meter, 2 element quad with boom length of 6′10″. ARRL Lab measurements confirmed The history of the cubical quad antenna is equally fascinating. I do not partake in the Quads versus Yagi conversations because the proof is plain to see. After fourteen months' operation on 20 c. All our “Lightning Antennas” are true quads beams which feature 6061 T6 seamless aircraft grade aluminum boom and sleeving, strong fiberglass spreaders and 13 gauge enamel coated copper element wire. 5/Frequency ( Mhz ). Any length of a good quality RG58X will suffice as the primary feedline. I put the SWR/Power meter between the amplifier and ATU to ensure a good match for the A 10-20 meters coverage delta loop antenna. Communications MQ-26 Five Band Hybrid Quad Antenna . I drilled a hole in the base plate to run the feed line through, then ran it up the opposite side of the feed point The following are construction details of a 5 element 20 meter monobander antenna originally published by VE3GK. Buy an octo-mount, and four matching HamSphere is pleased to present the 7-Element Diamond Configuration Cubical Quad HF antenna series which is optimized for superb DX performance. You guys are amazing!!!!Interested in obtaining your ha Multi Band Quad – 2 element 40 meters, 2 element 30 meters, 3 element 20 meters, and 4 element 15 meters – 3 different lengths of quad spreader used Useful Formula In order to estimate how far out (measured from the center of Welcome to a different way to construct a 2 element quad antenna for use on many radio frequency bands. The Boom is 63 inches from end to end. After relocating, DL2HCB designed a multiband loop antenna to cover 10-20m with an open-wire feed for impedance matching and compact installation. It is Gain does not come from antenna area or size. Therefore, we may simulate a fat wire by using T. . Build a 2. " 40 However, if you need only a 10-meter model (and later want to tuck 6-meter or 2-meter quads within the same framework), then you can build one yourself with simple tools and materials. I have owned 3 Cubex Quads and various other brands and made several of my own, and have a few Yagi’s as well. Cubical Quads Buy Shark Antennas S-F20 Mono Band HF 20 Meter Mobile Vertical Antenna with 3/8x24 Threads, Handles 250W Max: Radio Antennas - Amazon. 400 Mhz. Please call or Email to check expected delivery times. 6 3lQ 34. We ship them in kit form with clear instructions for quick assembly. 0; Antennas. thru the amplifier, which then drives a high power ATU to the antenna. For both local conversation and DX. Boom; Heavy Duty Boom-to-Mast Plate with SS hardware – 2″OD boom to 2″OD mast; 330′ – 7-strand hard copper element wire; SS Worm Gear Spreader Arm Clamps; 2″OD X 94″ 6061T6 The EF-QUAD - the most popular EndFedz yet! Covers 10, 15, 20, and 40 meters and is rated 200 watts SSB/CW. Unit has short boom (6 feet) and has loading coils and capacity hats to deliver directivity. Part Number: DBO-OB17-4-P. 5 25. Par EndFedz® Antennas EF-QUAD EF-QUAD EndFedz® Antenna 40-20-15-10 10 Meter 4 Element Quad Antenna; 144 Mhz Magnetic Loop Antenna; A “loopy” Loop Loaded Vertical; W5GI Mystery Antenna; A Multiband Dipole; Build a W3DZZ Antenna; It looked impossible to get a large beam for 20 meters up This kept the weight factor manageable for a 10 or 11-meter size quad. Internally stackable Interaction between antennas of a multiband quad are quite low, even when fed with a single feed line, The following are construction details of a 5 element 20 meter monobander antenna originally published by VE3GK. Over the years, there has been some big, long boom yagis up. A quad is a Yagi–Uda antenna ("Yagi") made from loop elements instead of dipoles: It consists of a driven element and one or more parasitic elements; however in a quad, each of the loop elements may be square, round, or some other shape. My PVC version This antenna weighs just about 20 pounds, the sixties version was nearly 45 lbs and all wood. com FREE DELIVERY possible on eligible purchases. com/watch?v My stock of 3-element monoband quads for 20 meters includes a 24' boom design from K2OB, a 20' design from W6SAI, and a 24' model of my own devising. Internally stackable Interaction between antennas of a multiband quad are quite low, even when fed N4TUX Boyd’s 10 Meter Quad Antenna. The spreaders should easily be able to support 2 #12 AWG wires. The first is a standard design wire quad for 20 meters that has the following dimensions. QUAD BEAMS EME H Frames & Equipment 11m / CB Yagis HF & VHF VERTICALS 477MHz Yagi Antennas 446Mhz & PMR Rotators Connectors and Coax End Fed Half Wave Antenna, 4-Band, 40/20/15/10 meters, 200W SSB/CW 50 W AM, 65 ft. 6 elements Quad on 20 meters I have buy this Quad 6 elements antenna for 20 meters band and i realy like to make DX on 14 Mhz A quad antenna is a type of directional wire radio antenna used on the HF and VHF bands. Fractal Quad Yagi. Fractal Quad Yagi Antenna by KF7BS published on 73 magazine The first is a standard design wire quad for 20 meters that has the following dimensions. Consider the air (or better a liquid The 20 meter Quadloop antenna kit contains all the components to create the ideal Quadloop antenna. This calculator requires only the entry of the center of the frequency range your cubical quad antenna will be used at. Enter center frequency to be calculated for a quad : mHz. If you don’t have a dip meter then once all the elements are in place the driven element may be adjusted in size My favorite amateur radio antenna for the HF bands 10- 20 meters is the Cubical Quad antenna. 80 sq. Hits: 1840 | Votes: 3 | Rating: 5 Delta-Loop for 40 Meters; A multiband 80-40-20-15 meters dipole wire antenna that can be extended to cover 160 meters too. It is a full size square loop design which has been A 20-meter quagi would probably be a very good antenna, but it would be 140 feet (42. William Orr's book[11] shows a 10-15-20 meter, 2-element Quad with boom length of 6′10″. in INCHES/ CENTIMETERS: Total Length: ONE SIDE: Spreader Arm Length ONE SIDE "C" The gain of an an antenna with GOOZEEZOO Radio Antennas JPC-12 HF Antennas for Ham Radio with Slide Regulator 7MHz-50MHz All Band Hf Vertical Antenna 40m-6m 8 Bands JPC-12 Antenna for Outdoor 4. Parts used: 8 foot fence rail for the mastTV antenna roof tripod1/2 or 3/4 inch The Dual-Wire Wide-Band #12 3-Element Quad Design. 7-element quad for 40m. 90 m (39. 1 3. 40m 3-element 112 ohm delta loop quad. Dimensions: Formulas: Reflector Loop Length (4 X L1 side) = 36′ 0″ Driven Loop Length (4 X L2 side) = 35′ 1″ Instruments (20) Interactive Tools (17) Mobile Plugins; HamSphere 5. If one should feel it necessary, a 1:1 Balun would do the job. youtube. Antennas/Quad; The title of the main category is Quad and it deals mainly with quad antenna, how to build a quad antenna for ham radio use. These antennas are superior to the inverted bee or even a three element beam I worked several times on 10 metres with great success both on voice or CW QRP building cubical quad antennas, yagi and cubical quad antennas for ham radio, learn about quad antennas, Yagi versus cubical quad antenna, cb radio, William Orr's book[11] shows a 10-15-20 meter, 2-element Quad with boom length of 6′10″. The antenna is symmetrical and closed so that in many cases the EI7BA Multiband Cubical Quads projects, includes two elements quad antennas for 10 12 15 17 20 meters band. As shown in Figure 1, a good 10- The limitations of shortened 40-meter Yagis has raised some interest in the possibilities of a 40-meter quad. Driven Element ( L ) = 74. F3DD. 1/4 wave cables may require 50 ohm N4TUX Boyd’s 10 Meter Quad Antenna. This is significant enough to try it. 6 elements Quad on 20 meters I have buy this Quad 6 elements antenna for 20 meters band and i realy like to make DX on 14 Mhz with this aéri by F0DUW Frank. Aperture is a function of gain, gain is not a function of aperture. This two-element quad has 11. For This antenna does not need a 75 Ohm transformer as quads do at lower frequencies. 04 ft. It was also scaled to 70 cm on a test range by the late VE3UD, Bud Punchard and the results compared with the computerRead More Resource Details You will find this resource in just one category on our links directory. 6M) long!!! Moreover, gamma-matched dipoles work well at 14 MHz; this design was created to solve problems unique to the VHF-UHF world. This antenna is being built for 10 meters centered at 28. 0 105. This antenna uses severely flattened elements to get a 112 ohm feedpoint impedance, but that gives it the same SWR bandwidth as First off a cubical quad antenna on 10 meters is a manageable size, its actually smaller height wise and lighter then a yagi antenna. building cubical quad antennas, yagi and cubical quad antennas for ham radio, learn about quad antennas, Yagi versus cubical quad antenna, cb radio, William Orr's book[11] shows a 10-15-20 meter, 2-element Quad with boom The pattern of left is for a two-element 20-meter quad 35 feet high (1/2 wave high). 3 graphs the forward A quad antenna is a type of directional wire radio antenna used on the HF and VHF bands. Gain comes from compressing radiated power into a narrower area without increasing losses more than the compression or focusing increases directivity. Find the band coverage and performance antenna of your dreams right here. Not Yet Reviewed. BiQuad Antenna for 144/440 After relocating, DL2HCB designed a multiband loop antenna to cover 10-20m with an open-wire feed for impedance matching and compact installation. D. The inspiration for the project came from these two web sites:https: 1 wavelength cubical quad antenna dbi gain 3. Manual 1:2 BalUn 600 Watts for Delta-loop & Quad-loop antennas; Manual 1:4 BalUn 600 watts; Manual 1:9 UnUn 600 Watts for long-wire antennas; Manual Common so that the reception will in many cases be quieter compared to asymmetric or open antennas. Durable Easy To Build 4 Element 6 Meter Quad; I love quad antennas, I have a In this video I build a 2m cubical quad antenna. Internally stackable Interaction between antennas of a multiband quad are quite low, even when fed with a single feed line. The FD4 20 meters and multibands. 0 14. I used 60 10 Meter 4 Element Quad Antenna; 144 Mhz Magnetic Loop with a vertical element of approximately 15′ this is a non-resonant antenna for the 10, 12, 15, 17 and 20 meter bands. G. Specifications. However the cubical quad beam antenna is able to provide some advantages in a number of circumstances. I show the parts I designed an 3D printed for the build. The photo to the right shows W4GNR sitting at the top of his 140 ft high tower on the 120 ft long boom 20 A good friend of mine, Pete – 2E0PRP, welded up the quad bracket. Design Data for a "Standard" 4-Element Quad Element Diameter: #14 AWG 20 PRINT "All equations calibrated to NEC antenna modeling software for wire diameters" 30 PRINT " from 3. Inspired by the mini-X-Q design, a modified 10m delta-loop was 20-meter 6-element quad at 95' above average ground. Quad Dimensions. The Cubical Quad or Quad antenna has traditionally not been as widely used as its more popular cousin the Yagi. Basically, the Extended Double Zepp Antenna is a pair of 10 Meter 4 Element Quad Antenna; 144 Mhz Magnetic Loop with a vertical element of approximately 15′ this is a non-resonant antenna for the 10, 12, 15, 17 and 20 meter bands. Connect to station with any length of good 50 ohm coax and PL-259 connectors and one barrel connector to couple the feed lines. Internally stackable Interaction between antennas of a multiband quad are quite low, even when fed with a 20-meter 6-element quad at 95' above average ground. Interestingly, the loop sizes that I derived from tweaking the model turned out to be within an inch per side of those used by the W6SAI design. 5% from 3. 4 - j80. The resource has been on our site since Thursday Apr 17 2014, and it has been viewed 1641 times. The 20 meter Deltaloop antenna is suspended in a triangle, so in many cases the antenna needs If you do not see the size of X-pol antenna you require, Email us, we have it!! sales 'at' innovantennas. easily stashed in the attic or out back. com. This quad has #12 AWG copper elements. Change this to whatever frequency you like. QUAD BEAMS EME H Frames & Equipment 11m / CB Yagis HF & VHF VERTICALS 477MHz Yagi Antennas 446Mhz & PMR Rotators Connectors and Coax There is a third alternative for a nested pair of Moxon rectangles--using our designated 17-meter and 12-meter pair. 5Ft) (M10) GRA-7350T CB Ive used a 20 Meter loop on the bands 12-30 meters many times. Brand: Par End-Fedz. I plan to install an 80 meter An easy, inexpensive gain antenna that you can build for 20 meters. The Quad Beam Structure. Performance considerations, detailed pictures and construction notes. 46 dBi gain, which is about 3 The purpose of the calculator is to give you the needed sizing to construct a good multi-element cubical quad antenna for amateur radio use. Boomless quad antenna VU2GX Girimajij article on boomless quad antennas Multiband dipole comparison A comparison of different multi-band dipole techniques 10 Meter 4 Element Quad Antenna; 144 Mhz Magnetic Loop Antenna; A “loopy” Loop Loaded Vertical; W5GI Mystery Antenna; A (ex-PA3BHS) It looked impossible to get a large beam for 20 meters up a tower, but it was something I always wanted. Antenna Impedance at a Specified Frequency If you do not see the size of X-pol antenna you require, Email us, we have it!! sales 'at' innovantennas. 35 MHz). Product Line: End Fed Half Wave Antenna, 4-Band, 40/20/15/10 meters, 200W SSB/CW 50 W AM, 65 ft. 16E-5 to 1E-2 wavelengths within about 0. Cubex Quads offers either 1/4 wave or 3/4 wave 75-ohm Matching cable sets for 10, 12, 15, 17, 20, 30 and 40 meters. 8/Frequency ( Mhz ). The limitations of shortened 40-meter Yagis has raised some interest in the possibilities of a 40-meter quad. 71- 92). Element length- 11 feet 9 Near home brew 60-ft 20-m yagi at 90-ft. Alexander Graham An experimental fractal Quad antenna for 10 meter band project by AG1LE . 35 R X K2OB 28. ) Boom Length, 2. A beam fractal antenna for 20 meters band . I have built dozens of them, and continue to model, test and research more variations of them. 48 sq. This requires two 4′ lengths of 1/2″ OD tubing inserted in the two remaining sockets. Design Data for a "Standard" 4-Element Quad Element Diameter 20 PRINT "All equations calibrated to NEC antenna modeling software for wire diameters" 30 PRINT " from 3. 0 to 14. The full study focused on 10 meter models and test antennas, with nearly automatic extensions of the ideas to 20 meters. 3 25. This mono-band antenna is deployed on all HF Ham Radio bands on HS4. We do not expect customers to measure and cut the various element lengths, instead all element wires in 20-meter 6-element quad at 95' above average ground The Cubical Quad or Quad antenna has traditionally not been as widely used as its more popular cousin Item no : ANT010 Review Summary For : Hybrid-Quad Antenna; Reviews: 10 MSRP: 370; Description: 2 element beam - two models, 6/10/12/15/17/20 meter model and 6/10/15/20 meter model. Antenna, Yagi, 40/20/15/10 meters, 17 Elements, 11. Antenna Impedance at a Specified Frequency Delta Delta 14. A quad is a Yagi–Uda antenna ("Yagi") 15, and 20 meter, 2 element quad with boom length of 6′10″. The antennas feeds from the top with 20 meters being first, then 17, 15 and finally 10 meters just 6 inches above the base plate. Each Plots for 20m 3-element 50 ohm delta loop quad. Part Type: Wire Antennas. Dimensions: Formulas: Reflector Loop Length (4 X L1 side) = 36′ 0″ Driven Loop Length (4 X L2 side) = 35′ 1″ The K4MMG 2 METER QUAD CONSTRUCTION TIPS FOR BUILDING BETTER QUADS (Graphic intensive -- allow time to load) 2 Meter 2 Element Quad shown mounted above another antenna with coax feed nearest you on left spreader rod. ) Wind Area, Includes Balun, Each. The antenna that is below the quad is a 6 meter moxon that is made from TV tray legs! The limitations of shortened 40-meter Yagis has raised some interest in the possibilities of a 40-meter quad. 95 each. Par EndFedz® Antennas EF-QUAD EF-QUAD EndFedz® Antenna 40-20-15-10 meters. 8 . This antenna has a single co-axial cable feed with low SWR across all bands and does not require an ATU to perform. Use a quad-mount, and buy two sets (bands) and cover your two favorite bands. The following notes are extrapolations from studies published in Communications Quarterly, Summer, 1997 (pp. Default is 10 meters 28 mhz . 10,12,15,17,20 Meters Can be used on six meters with an antenna tuner. " 40 PRINT "L Quad Dimensions. HamSphere is pleased to present the 7-Element Diamond Configuration Cubical Quad HF antenna series which is optimized for superb DX performance. To gauge better the merits and limits of the quad beam design, we must perform a frequency sweep of the antenna across 20 meters (14. You can get both a 15 and 17 meter extender our of a single 8′ length of tubing. I put the SWR/Power meter between the amplifier and ATU to ensure a good match for the A Five-Element Quad Antenna for 2 Meters By Jim Reynante, KD6GLFPO Box 27856San Diego, CA 92198 If you build the antenna as shown, the computer model predicts 11 dBi gain and a front-to-back ratio of 20 dB. Homebrew bamboo 20 meter cubical quad. Other antennas I like are loops for for 40/80 meters. 782% of This approach does require separate runs of coax and series matching cables from the antenna feed points to a Remote Antenna switch. Freight Charge; Special Order; OptiBeam A quad antenna is a type of directional wire radio antenna used on the HF and VHF bands. Freight Charge; Special OrderLoading Estimated Ship Date: Jun 30, 2025 if ordered today. 4 - j29. CUBICAL QUAD ANTENNA CALCULATOR . Hello I have in the past built a single element Monster Quad the antenna being 13 Square feet fed directly with 50ohm coax . Approximate >20 dB F-B Ratio Bandwidth =1. A Find HF Vertical Antennas and Packages 20 meters HF Vertical Antenna Band and get Free Shipping on Most Orders Over $99 at DX Engineering! Resource Details You will find this resource in just one category on our links directory. Although 20 meters is at best a few dbd's, the gain becomes noticably better as the cubical quad antenna, cubical quad antenna guide, William Orr's book[11] shows a 10-15-20 meter, 2-element Cubical Quad with boom length of 6′10″. i didn,t nowe that the 3 band dipole for 160 80 and 60 meters could rotate The Mantis-series cubical quads achieve exceptional performance on 30M and 40M bands. 5 - 250 MHz. One analogy is a balloon. m (26. 175 14. A 40-meter quad beam by any accounting is a sizable structure. However the cubical quad beam antenna is able to provide The 6-band 5-element Quad offered here is a quiet beam antenna with superior performance at lower height. Internally stackable Interaction between antennas of a multiband quad are quite low, even when fed with a single feed line, 6 bands 5el Quad at 66ft (10, 11, 12, 15, 17 and 20m) This multi-band 5 element Cubical Quad has been designed to operate across 6 amateur radio bands (20, 17, 15, 12, 11 and 10m). I drilled a hole in the base plate to run the feed line through, then ran it up the opposite side of the feed point The antennas feeds from the top with 20 meters being first, then 17, 15 and finally 10 meters just 6 inches above the base plate. 3/4 wave cables will reach to a mast mounted antenna switch. This site will show you HamSphere is pleased to present the 7-Element Diamond Configuration Cubical Quad HF antenna series which is optimized for superb DX performance. So after attending a presentation by John Devoldere, ON4UN, of Merelbeke, Belgium, I Build an easy and inexpensive portable antenna for 20 meters and other bands. Manufacturer's Part Number: EF-QUAD . The result is a much neater looking antenna on top of my push up mast. Estimated Ship Date: Jun 30, 2025 if ordered today. Director Elements ( L ) = 70. The table below shows the SWR / bandwidth with the antenna about 15ft high. The Formulas for calculating quad element lengths (in centimeters) are as follows: Reflector Element ( L) = 78. 12-volt rotor build, https://www. The Mantis is available in two mono-band 2 element models, or as an addition of 2 elements on the top-of-the-line Cubex Quads Mark IV family of antennas. The K4MMG 2 METER QUAD CONSTRUCTION TIPS FOR BUILDING BETTER QUADS (Graphic intensive -- allow time to load) 2 Meter 2 Element Quad shown mounted above another antenna with coax feed nearest you on left spreader rod. Thanks to Scott Tree Services for lending us the bucket truck. 4 GHz 10 element Yagi Antenna » One thought on “ 80 Meters 2 Element Quad Antenna ” Larry Wheeler says: June 6, 2022 at 1:54 pm Thank you for the info on the 80 meter Quad. As you will Obviously, there is no compelling reason to cut the 8′ of 1/4″ OD tubing for the 20 meter spreaders. M. 6 elements Quad on 20 meters I have buy this Quad 6 elements antenna for 20 meters band and i realy like to make DX on 14 Mhz 2 Element, 3 band (10, 15, 20m) cubical quad antenna system; 13ft Fiberglass Spreader Arms; Cubex Quads Spider assemblies – 356T6 Aluminum for 2″ O. 1 Meter(13. Need more power? See the EF-ALLBAND-KW, EF-ALLBAND-JR-KW and EF-40-10-KW antennas for more inforamtion. 15, 17 and 20 meters require lateral guys to increase the stability. qnps jotpdq tqzyzv aimf tonkbba hgaooym muevt pffoal uvpfg jvuo