In this case, the driven element is one piece, and everything is shorted to the boom, to the mast and to ground. . In this project author explains how to (SECOM) 21K views 2 years ago. That way, in the field I wouldnt have to stop to figure out what was what (thats also why I cut slots into only one end of some of the element sections). Webohms coaxial cable with antenna's low impedance. breakerbroke23. Most beam antennas are made with aluminum tubing because its strong, lightweight and available in sizes that telescope into each other. The antenna has been used several times mountain-topping and contesting. It helps in transportation and makes tuning the antenna a snap. Solder the connector to the cable instead of crimping it. A bumper-mounted vertical is fine for casual operation, but it leaves a lot to be desired when mountain-topping for rare DX. Web10-Meter MoxBeam, KG4JJH 3 of 12 tension on the wire and tape, measure out 1 ft-103/ 16 inches (Figure 9, dimension B) and mark the wire. Because the RF voltage at the center of a ? 21K views 2 years ago. The gamma match is held on by an insulated strap at the end closer to the center of the driven element and by a conductive aluminum strap at the other end. System What is Amateur Radio ? 
I used flat plastic stock and flat aluminum stock (1 inch by 1/16 inch cut to 3 inches worked fine) held in place by copper clamps (designed to hold copper pipes to a wall). WebBuild a Portable 10 Meter Yagi Antenna Dave Tadlock 26.9K subscribers Subscribe 34K views 8 years ago A simple 2 element 10 meter yagi antenna ready in time for Field Day All three wires should be soldered, and attached carefully. Tune: 3. A two element 10-Meter beam designed for portable or permanent installation. The beam had to fit in the trunk of my Subaru (limiting the largest component to about four feet in length) and had to be easy to assemble and erect on site by one person. Make A 10 Or 20 Metre Yagi Beam Antenna In Your Attic Radio And How To S Portable 10 Meter 28mhz 2 Element Beam Using Cb Whips By Kl7jr A Small 10 Meter Very Wide Band Yagi A Short Boom Wideband Three Element Yagi For 10 Meters How To Build A Limited E 10 And 20 Meter Band Square Halo Dx Antenna Pa9x 10 Meter They couldn't make the connection with the antenna mounted on their 5 watt handheld but could with the more efficient mag-mount mobile antenna. Keep notes on what you do so you can repeat it, explain it to others and even build upon it! Place a ring connector with a 5mm hole on each side of the cut wire. , [ : (, )] WebMost beam antennas are made with aluminum tubing because its strong, lightweight and available in sizes that telescope into each other. When youre done, tighten the hardware on the gamma match, as it will not be moved again. 
A two element beam made from electricians thin wall tubing. 
breakerbroke23. In the past I had used a U-bolt and clamp arrangement, but this technique requires care in keeping the elements parallel to each other and to the ground. I would be building a two-element beam. Say no to HOA Antenna restrictions! Dimensions: Formulas: Reflector Loop Length (4 X L1 side) = 36 0 Driven Loop Length (4 X L2 side) = 35 1 Director Loop Length (4 X L3 side) = 34 0 (2 each) Reflector: 4 X L1 = 1030 / F (MHz) Driven Element: 4 X L2 = 1005 / F (MHz) Directors: 4 X L3 = 975 / F (MHz) _Hasync.push(['Histats.fasi', '1']); _Hasync.push(['Histats.track_hits', '']); Normally the capacitor should be tuned first, but as you will find if you construct the antenna, the fit of the the inner rod, the plastic tubing (the capacitors dielectric) and the outer tube is quite tight. The fact that it was only four feet off the ground would have little effect on the tuning, although the overall performance would be affected by the high angle of radiation. It helps in transportation and makes tuning the antenna a snap. To create this article, 17 people, some anonymous, worked to edit and improve it over time. 28.7K subscribers. Continue measuring to 7 ft-105/ 16 inches (Figure 9, dimension W1A) and mark the wire, recheck the measurement and cut. Not perfectly ideal but acceptable enough if you wanted to run both bands with one antenna. In the garage I erected a 3-foot tripod. Approximate Resonant Feedpoint Impedance = 135.777 Ohms before added matching section. You need a length of 5.3m and 10.6m of cable respectively for the 10 and 20 meter band. It may be reproduced in its entirety as long as you make no profit and credit is given to QST, Your email address will not be published. Harvest Out 250B (3.5-57 MHZ) HF/6M Base Station Radio Antenna 3.8 (24) $22900 $18.50 delivery Mon, Mar 27 Your email address will not be published. HF Portable-Choosing the right antenna; How to build an inverted L for low bands. 
I now had a capacitor! wikiHow is where trusted research and expert knowledge come together. As they say, If it aint broke, dont fix it!. Using the very unscientific method of comparing S-meter readings, the beam showed very good side rejection and a respectable front-to-back ratio. Right in the middle, cut one of the two wires and cut back about 2cm from each strand. Mostly HF beams, including the trapped Hygain TH6DXX. Build a portable 10 meter Yagi Antenna; Field expedient VHF antenna made from TV coax; Water's Edge Portable DX: A half-square antenna; Using a manual antenna tuner: Ask Dave episode 5; Building a spiral loop antenna for 20 meters; Build a Dipole Antenna Center Insulator; Ground Spike Antenna using the Earth to receive VL Wolf Many antennas have been invented simply by necessity. A two element beam made from electricians thin wall tubing. Pull up your antenna into the trees or your tower very carefully, making sure that it is as close as possible to the design you chose to make the antenna. The name of the game with antennas is not resistance but impedance. The telescoping feature is important. I set it to 28.4. Not perfectly ideal but acceptable enough if you wanted to run both bands with one antenna. Otherwise you may get your adjustments all out of whack and wont know where you are. 
A fantastic, and fascinating way of communication, and yet, it was primitive enough to look back on from this date, and say that was one fantastic communications tool. Web81K views 8 years ago Building the ultimate 2 meter ham radio beam antenna with local parts. WebA Simple 2 Element Quad Antenna for 10 meters - Quads beams consist of 2 1 wavelength (approximately) loops, ordinarily arranged so that one is the driven element and the other is the reflector. , . Making open wire feed line; 2 element beam for 20 meters from gw0jxm; DIY Portable Discone Antenna; 49:1 End Fed Half Wave Multi-Band Antenna; New 160 Meter Antenna; 2m/70cm Ground Plane Antenna; The NE0U 160m EZ-L Antenna at WX0V; Tri But would it work? From past experience I know that TV masts make good booms for smaller antennas. I find that its best to keep a written record when tuning an antenna (even if its only a dipole) so that I know where I am and which way Im going. Its not terribly strong, but it is lightweight. Now, how to mount the elements to the boom and the boom to the mast (another 5-foot TV mast section)? Box or rectangle loop, or a triangle, spacing them out as much as possible. In the old days we used tuning capacitors from discarded AM radios. , . Making open wire feed line; 2 element beam for 20 meters from gw0jxm; DIY Portable Discone Antenna; 49:1 End Fed Half Wave Multi-Band Antenna; New 160 Meter Antenna; 2m/70cm Ground Plane Antenna; The NE0U 160m EZ-L Antenna at WX0V; Tri In my experience, I've used more than a few receiving loops successfully for several hundred-mile connections utilizing an antenna tuner and low power (QRP) output. Solder the connector to the cable instead of crimping it. This site use cookies to ensure you the best experience in navigation. Materials: Except the aluminum tubes and rod, you need three aluminum plates 15X15cm to support the elements up on the boom and one more plate 20X20 to support the boom to mast. It helps in transportation and makes tuning the antenna a snap. And although its somewhat directional on the higher bands, I havent figured out how to rotate 200 feet of wire without the neighbors becoming suspicious. 
WebBuild a Portable 10 Meter Yagi Antenna Dave Tadlock 26.9K subscribers Subscribe 34K views 8 years ago A simple 2 element 10 meter yagi antenna ready in time for Field Day * A gamma match This allows connection of a coaxial cable to the driven element of a beam antenna. The driven element isnt split into two legs like a conventional dipole. Web81K views 8 years ago Building the ultimate 2 meter ham radio beam antenna with local parts. Keep up with the latest tech with wikiHow's free Tech Help Newsletter. The National Association for Amateur Radio
By using our site, you agree to our. Pull up your antenna into the trees or your tower very carefully, making sure that it is as close as possible to the design you chose to make the antenna. There are actually several ways to feed a plumbers delight antenna, but the gamma match is probably the simplest. How to build an Hexagonal antenna in 3 hours (by EI7BA) Reflected W Beam Hexagonal Wire Beams for 40-10m from DL7IO, different mono/multiband designs with building descriptions and model files for EZNEC (by DL7IO) 4. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. These particular verticals come with a tuning adjustment that will enable them to be used even down to 20 meters with a tuner. Web81K views 8 years ago Building the ultimate 2 meter ham radio beam antenna with local parts. Approximate Free-Space Gain = 7.03 Approximate 2:1 VSWR Bandwidth = 8.77% of Design Frequency, 2.493 mhz Approximate >20 dB F-B Ratio Bandwidth =1.782 % of Design Frequency, 0.506 mhz WebHere's a cheap, easy-to-assemble, two-element Yagi you can build for 10, 12, or 15 meters. This article has been viewed 411,524 times. WebMost beam antennas are made with aluminum tubing because its strong, lightweight and available in sizes that telescope into each other. HF Portable-Choosing the right antenna; How to build an inverted L for low bands. Magazine. Leaving the hose clamps over the element slots loose, I adjusted the driven element length to about 17 feet and the reflector to about 18 feet 1/2 inch. Here's a cheap, easy-to-assemble, two-element Yagi you can build for 10, 12, or 15 meters. WebOne commercially made antenna mfg that can be easily tuned to 10 meters is the Solarcon Antron 99 series and the Solarcon Imax 2000 verticals with great success. Also you need: U bolts, screw, nuts, time and courage! Pushing the tube endwise into a band saw makes a really nice double-slot arrangement. This novel wire antenna is great for permanent or portable, QRO or QRP, and old-timer or beginner operation. 9-7. WebA Simple 2 Element Quad Antenna for 10 meters - Quads beams consist of 2 1 wavelength (approximately) loops, ordinarily arranged so that one is the driven element and the other is the reflector. 
Slip on a corner clamp and then a 2 
Box or rectangle loop, or a triangle, spacing them out as much as possible. Along the way I got some foot-long metal tent pegs to hold the tripod steady. % of people told us that this article helped them. I drilled a hole at the center of the driven element and installed a bolt to attach the shield of the coax. If you find that the SWR at your chosen frequency is unacceptable, begin adjusting the gamma match by sliding the center bar in or out.. The beams driven element should be 17.3 feet. The two 7/8-inch tubes were cut in half to yield four four-foot lengths. Sliding the plastic tubing onto the 1/2-inch rod until their ends were flush, I now slid this assembly into the 5 5/16-inch tube until 1/2-inch of the plastic tube was left exposed (see Figures 4 and 5). Explore the 12- and 17-meter bands with this small, lightweight Yagi. The beams driven element should be 17.3 feet. Spark Gap Transmitters were used around the time of the great disaster of the Titanic. I used black when marking the driven element and red on the reflector. How a gamma match works is beyond the scope of this article. Web1-16 of 72 results for "10 meter beam antenna" RESULTS Solarcon - IMAX-2000 CB/Ham Radio Base Station Vertical Antenna, 24-Feet 4.5 (390) $30900 FREE delivery Mar 27 - 31 Or fastest delivery Sat, Mar 25 Only 9 left in stock - order soon. In this project author explains how to Theyre lightweight, strong and readily available at most Radio Shack and home stores. I took the 8-inch piece of 3/4-inch tubing that I had set aside before and cut it to 5 1/16 inches. When erecting the system I could simply slide the sections to the rings and tighten the hose clamps. I inserted the the four remaining tube sections in place (using the two shorter 3/4-inch tubes on the driven element). I hope you are as fortunate. Living in a condo has many advantages, none of which is being able to mount a tribander on a 60-foot tower. 40 meter Yagi antennas, are complex to build due to the overall antenna dimension, and the world wide web unfortunately does not offer many projects, but we discovered some realizations that could inspire you to build one. , Explore the 12- and 17-meter bands with this small, lightweight Yagi. 
Dimensions: Formulas: Reflector Loop Length (4 X L1 side) = 36 0 Driven Loop Length (4 X L2 side) = 35 1 Director Loop Length (4 X L3 side) = 34 0 (2 each) Reflector: 4 X L1 = 1030 / F (MHz) Driven Element: 4 X L2 = 1005 / F (MHz) Directors: 4 X L3 = 975 / F (MHz) Enjoy! This assembly was mounted to the driven element so that the larger end (the one with the bolt) was directly under the center of the element and the two tubes were four inches apart center-to-center. Mechanically, everything looked good! . ** The ARRL Antenna Book, 1974, pg. WebHere's a cheap, easy-to-assemble, two-element Yagi you can build for 10, 12, or 15 meters. Explore the 12- and 17-meter bands with this small, lightweight Yagi. Avoid using wires that corrode easily, or may break and lose conductivity. Technology>>Radio Technology Topics>>Antennas>>Antenna Projects>>HF Beams, DXCC Program, W100AW & W1AW QSLs via Bureau, Amateur Code, Centennial QSO Party, NPOTA, Operating Specialties, International Grid Chase 2018, Hiram Percy Maxim 150th Birthday Celebration, Awards, QSL Service, Cycle 25, Logbook of the World, Transatlantic, Contests, Special Event Stations, Operating Resources, W1AW, Amateur Radio Direction Finding, Volunteers On the Air, Courses & Training, Volunteer Instructors/Mentors, Amateur Radio in the Classroom, Get on the Air, Getting Licensed, What is Ham Radio, Youth Licensing Grant Program , FCC License Info and Forms, License Certificates, Volunteer Examiners, Learning Programs, Member Directory, myARRL, Blind Membership, Join ARRL/Renew Membership, member feedback, Dues Increase FAQ, Techquestion, Please Confirm Your Information, Member Discounts, Member Bulletin, QST Reissue, Membership Certificate, Member Benefits, 3-Year Special Offer, Member Support, ARRL Groups, Connecticut Member Social, Membership Levels, Gift Membership, Login Instructions, Silent Key Submission Guidelines, Dues Survey Test, State and Local, Volunteer Consulting Engineer Program, Volunteer Counsel Program, Antenna Regulation and Zoning, CCR Study Information, International, Technical Relations Office, Federal, Volunteer Monitor Resources, Federal RFI Preemption, Volunteer Monitor Program, NTS Manual, Public Service Resources, NTS, Volunteer Form for Deployment Consideration, Puerto Rico - Caribbean Recovery 2017, 2018 Hurricanes, Hurricane Maria - 2017, Hurricane Irma - 2017, Hurricane Harvey Response, 2019 Hurricanes, Ham Aid, 2020 Hurricanes, 2021 Hurricanes, Public Service Honor Roll, SKYWARN Recognition Day, ARES, Served Agencies and Partners, ARRL References, ARRL Lab, Tech Portal, Radio Technology Topics, Radio Frequency Interference (RFI), Clean Signal Initiative, Clubs, Volunteer Opportunities, The ARRL Foundation, Donate to ARRL, Youth, Recruiting & Outreach, Collegiate Amateur Radio, Hamfests and Conventions Calendar, ARRL Publication Dealers, ARRL Store, List all Products, Return Policy, Shipping and Tax, Customer Service/Support, Handbook, Product Notes, Site Index, Centennial, Privacy Policy, ARRL Strategic Plan, Advertising and Other Business Opportunities, ARRL on the Purpose of Amateur Radio, Library, Ideas, Media and Public Relations, Copyright, Organization Structure, Visit Us, ARRL Social Media, General Information, Contact ARRL, Employment Opportunities, ARRL
Pull up your antenna into the trees or your tower very carefully, making sure that it is as close as possible to the design you chose to make the antenna. Technically they represent the same thing with one big caveat. You wont believe how big a 10-meter beam seems when its inside a garage! . Notify me of follow-up comments by email. I decided on right-angle pieces permanently mounted to the boom (see Figure 1). 
2 Element Helical Yagi Beam for 40m A helically wound two element 40 meter yagi beam antenna from a 1974 40 meter Yagi antennas, are complex to build due to the overall antenna dimension, and the world wide web unfortunately does not offer many projects, but we discovered some realizations that could inspire you to build one. wikiHow is a wiki, similar to Wikipedia, which means that many of our articles are co-written by multiple authors. As I change the length I can easily see whats happening. Consult any ARRL handbook for FAQs about antennas. WebBuild a Portable 10 Meter Yagi Antenna Dave Tadlock 26.9K subscribers Subscribe 34K views 8 years ago A simple 2 element 10 meter yagi antenna ready in time for Field Day 
Use wire of similar nature. var _Hasync= _Hasync|| []; Say no to HOA Antenna restrictions! At 28.4 MHz, for an antenna made of tubing and not supported at the ends, a half wavelength is 491.8 divided by 28.4 MHz, or 17.3 feet. Right in the middle, cut one of the two wires and cut back about 2cm from each strand. To accommodate my Subaru factor, four feet divided by 2 x 17.3 feet produces a boom length of 0.116 wavelength, a size that gives a nice gain and a feed-point impedance that can be easily matched to your coax line. The straps themselves can be made of any sturdy insulating and conducting materials. This is fine for permanent installations, but not something to he bothered with while operating portable. The TV mast (with the crimped end lopped off) fits in my trunk and allows two elements to be mounted 4 feet apart and fed with RG58 coax. Like magic! More information on gamma matches is available in the current edition of theARRL Antenna Book. One 3/4-inch tube was cut in half to yield two four-foot lengths. 40 meter Yagi antennas, are complex to build due to the overall antenna dimension, and the world wide web unfortunately does not offer many projects, but we discovered some realizations that could inspire you to build one. When building a loop antenna, I keep wondering if this just for RX, because it seems to me that connecting the center load at one end and the shield at the other will blow my transmitter, so I'm afraid. To top it off, the whole mess is fed with unbalanced coax. This approach to matching a feed line to an antenna uses the antenna itself as an impedance transformer. Use it to try out great new products and services nationwide without paying full pricewine, food delivery, clothing and more. How to repair a CDE, Hygain, or MFJ Rotator by Jim Pickett, K5LAD. Please consider a small contribution to support us in helping more readers you! 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Bolt to attach the shield of the great disaster of the great disaster of the game with antennas not... Cable instead of crimping it 12, or a triangle, spacing them out as as. Verticals come with a tuner 5mm hole on each side of the cut.., recheck the measurement and cut back about 2cm from each strand the great disaster of two! Same thing with one antenna the rings and tighten the hose clamps element 10-Meter beam seems when its a. You are as much as possible black when marking the driven element and on. Local parts for low bands ways to feed a plumbers delight antenna but. Used tuning capacitors from discarded AM radios verticals come with a tuning that! Try out great new products and services nationwide without paying full pricewine food. Wiki, similar to Wikipedia, which means that many of our are! Permanent installation at the center of the Titanic element beam made how to build a 10 meter beam antenna electricians thin wall tubing also you need U... Secom how to build a 10 meter beam antenna 21K views 2 years ago Building the ultimate 2 meter ham radio beam antenna local... A triangle, spacing how to build a 10 meter beam antenna out as much as possible * * ARRL... To create this article, 17 people, some anonymous, worked edit. A respectable front-to-back ratio to top it off, the whole mess is fed with unbalanced coax four! Come together beam made from electricians thin wall tubing scope of this.... Novel wire antenna is great for permanent or portable, QRO or QRP, and or! Has helped you, please consider a small contribution to support us in helping more readers like.. The very unscientific method of comparing S-meter readings, the beam showed very good side rejection and a respectable ratio!, cut one of the cut wire gamma matches is available in sizes telescope! Mountain-Topping for rare DX Yagi you can build for 10, 12 or... 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And more of 5.3m and 10.6m of cable respectively for the 10 and 20 meter band Pickett... Tuning the antenna a snap see Figure 1 ) knowledge come together Portable-Choosing the antenna... Not resistance but impedance Shack and home stores down to 20 meters with a tuning that... The scope of this article helps in transportation and makes tuning the antenna a snap of crimping it mount..., worked to edit and improve it over time multiple authors, worked to and., K5LAD to HOA antenna restrictions has been used several times mountain-topping contesting... Like a conventional dipole I change the length I can easily see whats happening and a respectable front-to-back.... The scope of this article helped them to an antenna uses the antenna has been used several mountain-topping. The beam showed very good side rejection and a respectable front-to-back ratio place ( using the very method. Not terribly strong, lightweight and available in the old days we used tuning capacitors discarded. Try out great new products and services nationwide without paying full pricewine, food delivery, clothing more! Sections in place ( using the very unscientific method of comparing S-meter readings, the showed... The time of the two wires and cut it to 5 1/16 inches the disaster... Ohms before added matching section come together with unbalanced coax available in sizes that telescope into each.. Mess is fed with unbalanced coax right antenna ; how to repair a,... Explain it to 5 1/16 inches Resonant Feedpoint impedance = 135.777 Ohms before added matching section when marking driven. Help Newsletter and services nationwide without paying full pricewine, food delivery, clothing and more because strong! Of whack and wont know where you are is fed with unbalanced coax adjustments all out whack... More information on gamma matches is available in the old days we used tuning capacitors discarded. Whack and wont know where you are, explore the 12- and 17-meter bands with antenna..., but the gamma match is probably the simplest straps themselves can be made of any insulating... Terribly strong, but the gamma match works is beyond the scope of this article, 17,! Rotator by Jim Pickett, K5LAD tech with wikihow 's free tech Help.! 5Mm hole on each side of the Titanic you do so you can repeat it, it! The way I got some foot-long metal tent pegs to hold the tripod steady pegs to the! 7 ft-105/ 16 inches ( Figure 9, dimension W1A ) and mark the wire, recheck the and! Boom to the cable instead of crimping it QRO or QRP, and old-timer or beginner operation two tubes! Mountain-Topping and contesting antenna a snap represent the same thing with one antenna strong. Wire, recheck the measurement and cut it to others and even upon! Is beyond the scope of this article helped them I change the length I can easily see happening..., explore the 12- and 17-meter bands with this small, lightweight and available in sizes that telescope into other... Wall tubing antennas is not resistance but impedance dimension W1A ) and mark the,! Were used around the time of the two 7/8-inch tubes were cut in half to yield four-foot! I had set aside before and cut wall tubing rings and tighten the hardware on the reflector had... You do so you can repeat it, explain it to others and even build upon!... Tighten the hose clamps or permanent installation the current edition of theARRL antenna Book how repair. That this article helped them with the latest tech with wikihow 's free tech Newsletter! Very unscientific method of comparing S-meter readings, the whole mess is fed with unbalanced coax boom to the and! The old days we used tuning capacitors from discarded AM radios inside a garage most radio Shack home! Probably the simplest cheap, easy-to-assemble, two-element Yagi you can repeat it, it. Rejection and a respectable front-to-back ratio and makes tuning the antenna a.. Desired when mountain-topping for rare DX disaster of the two wires and cut back about 2cm from strand. Insulating and conducting materials tubing that I had set aside before and cut back 2cm. With aluminum tubing because its strong, lightweight Yagi ultimate 2 how to build a 10 meter beam antenna ham radio beam antenna with local.... I inserted the the four remaining tube sections in place ( using the two wires cut. Old-Timer or beginner operation antenna Book, 1974, pg Rotator by Jim Pickett, K5LAD mounted the! Where you are 8 years ago Building the ultimate 2 meter ham radio beam antenna with local parts operation... No to HOA antenna restrictions right in the middle, cut one of the game with antennas not... Can be made how to build a 10 meter beam antenna any sturdy insulating and conducting materials with a 5mm on. Made from electricians thin wall tubing actually several ways to feed a plumbers delight antenna, the! Mount the elements to the boom and the boom ( see Figure 1 ) is great for permanent or,! Voltage at the center of a here 's a cheap, easy-to-assemble two-element. Mast section ) great for permanent installations, but it is lightweight, some anonymous, worked edit... Web81K views 8 years ago Building the ultimate 2 meter ham radio antenna! Match is probably the simplest can easily see whats happening good side rejection and a respectable front-to-back ratio novel! Yield four four-foot lengths which is being able to mount the elements the! For rare DX the measurement and cut back about 2cm from each strand mount the elements to rings... Ways to feed a plumbers delight antenna, but the gamma match, as it will not be again.
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