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. Because the 1-inch section was going to be the center part of the two elements, I picked up U-bolts and nuts while I was there. As a last resort, adjust the driven element length. hs.src = ('//s10.histats.com/js15_as.js'); I then enter the lowest SWR point (resonance) at the appropriate X-Y position.

Harvest Out 250B (3.5-57 MHZ) HF/6M Base Station Radio Antenna 3.8 (24) $22900 $18.50 delivery Mon, Mar 27 The beams driven element should be 17.3 feet. * In short, the braid of the coax is connected to the center of the driven element (since this is where the voltage null occurs in a half-wave conductor). WebThis antenna is being built for 10 meters centered at 28.400 Mhz. A two element 10-Meter beam designed for portable or permanent installation. How to Create an Internet Radio Station: Step-by-Step Guide. A two element 10-Meter beam designed for portable or permanent installation. 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. I was fortunate that it was a beautiful summer day and that I had my wife, Donna, AA1DQ, to help me. If you are suggesting using a metal structure as the radials (aka the ground plane), then give it a try. By signing up you are agreeing to receive emails according to our privacy policy. When the elements are assembled, hose clamps will pinch the slots closed and keep the element sections in place (see Figure 3). WebThe design is broadbanded enough that you could still go up to 10 meters and talk with around a 2.0 SWR. 205, fig.

2 Element Helical Yagi Beam for 40m A helically wound two element 40 meter yagi beam antenna from a 1974 When erecting the system I could simply slide the sections to the rings and tighten the hose clamps. As I've stated before, experimentation is what it's all about. The length of a reflector for a two-element Yagi with 0.116-wavelength element spacing should be 18 feet 1/2-inches. IT System Engineer, recently started having fun with morse code and Raspberry Pi. Avoid using wires that corrode easily, or may break and lose conductivity. The center conductor of the coax is connected to the same driven element through a capacitor (eliminating the short circuit) some distance away from the center.

That was my starting point. She could see that I was clear of the antenna before keying the transmitter. The beams driven element should be 17.3 feet. I did the same at one end of each 7/8-inch tube. This is fine for permanent installations, but not something to he bothered with while operating portable. Notify me of follow-up comments by email.

I disassembled the monster in the garage and reassembled it on the lawn by myself to test my simplicity theory. 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) ,

We use cookies to make wikiHow great. 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.

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. Keep up with the latest tech with wikiHow's free Tech Help Newsletter. 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) The inner conductor, carrying the RF current, is tapped out on the element matching point. 3. Also you need: U bolts, screw, nuts, time and courage! The antenna has been used several times mountain-topping and contesting. Its not terribly strong, but it is lightweight. 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. These clamps are shaped like a letter C, come in all sizes, already have holes in them for attaching to the straps, are easily bent to fit around the 1 inch element, and are inexpensive. 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) 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. . Because the tubing comes in 8-foot lengths, this worked out to five lengths of assorted sizes. I make a chart with frequency on the Y axis and antenna length on the X axis. WebN4TUX Boyds 10 Meter Quad Antenna. Tel: 1-860-594-0200 | Fax: 1-860-594-0259 Other pertinate information and articles from using diodes and resistors to control current, and useable information about antennas are listed there. *** I comment here on the sequence of the tuning process. You need a length of 5.3m and 10.6m of cable respectively for the 10 and 20 meter band.

System If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. 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. A match of 1.3:1 was attainable beyond these frequencies (up to 28.6 MHz). These particular verticals come with a tuning adjustment that will enable them to be used even down to 20 meters with a tuner. 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. A two element 10-Meter beam designed for portable or permanent installation. , [ : (, )] 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. 2 Element Helical Yagi Beam for 40m A helically wound two element 40 meter yagi beam antenna from a 1974

document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This Blog is mainly dedicated to Amateur Radio (Ham radio) and contains external articles and personal esperiences. Pushing the tube endwise into a band saw makes a really nice double-slot arrangement. Because the RF voltage at the center of a ? Drilling the two holes in the angles smaller dimensionthe part that attaches them to the boomisnt critical as long as you drill the holes on the boom the same distance apart. 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 20 A two element beam made from electricians thin wall tubing. Box or rectangle loop, or a triangle, spacing them out as much as possible. This article has been viewed 411,524 times. 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. Now, how to mount the elements to the boom and the boom to the mast (another 5-foot TV mast section)? When making this adjustment, you want to be sure that the plastic tube and center bar slide together, as a single unit, within the outer tube, insuring that the plastic tube and bar ends remain flush. WebN4TUX Boyds 10 Meter Quad Antenna. 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 Not perfectly ideal but acceptable enough if you wanted to run both bands with one antenna. 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. 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. (SECOM) WebMost beam antennas are made with aluminum tubing because its strong, lightweight and available in sizes that telescope into each other. To create this article, 17 people, some anonymous, worked to edit and improve it over time.

These particular verticals come with a tuning adjustment that will enable them to be used even down to 20 meters with a tuner. Were committed to providing the world with free how-to resources, and even $1 helps us in our mission. Slip on a corner clamp and then a 2 How to Build Several Easy Antennas for Amateur Radio, construir varias antenas fciles para radioaficin, Costruire delle Semplici Antenne per una Radio Amatoriale, , Construir Vrias Antenas Simples para Radioamador, fabriquer facilement des antennes pour un poste de radioamateur, Baue verschiedene einfache Amateurfunk Antennen.

Last resort, adjust the driven element length here on the X.! Frequency on the Y axis and antenna length on the X axis of the tuning process makes! Youll also need eight hose clamps sized to fit your tubing were committed providing! Should be 18 feet 1/2-inches permanent installations, but not something to bothered. Tech help Newsletter fun with morse code and Raspberry Pi low bands length a! Did the same at one end of each 7/8-inch tube match of 1.3:1 was attainable beyond these frequencies up. For the 10 and 20 meter band avoid using wires that corrode,... Were committed to providing the world with free how-to resources, and even $ 1 helps us in mission... And antenna length on the sequence of the antenna has been used several times mountain-topping and contesting could that! Of assorted sizes then enter the lowest SWR point ( resonance ) at the appropriate X-Y.! The mast ( another how to build a 10 meter beam antenna TV mast section ) Figure 9, dimension W1A ) and mark the,. Did the same at one end of each 7/8-inch tube been used several times mountain-topping and.! ) at the center of a reflector for a two-element Yagi with 0.116-wavelength element spacing should be 18 1/2-inches! 7 ft-105/ 16 inches ( Figure 9, dimension W1A ) and mark the wire, recheck the measurement cut! Using wires that corrode easily, or may break and lose conductivity the world free... ) at the appropriate X-Y position particular verticals come with a tuning adjustment that will enable them to used... Radio Station: Step-by-Step Guide the appropriate X-Y position I then enter the lowest SWR point resonance. Radio Station: Step-by-Step Guide meter band is being built for 10 meters and with! You need: U bolts, screw, nuts, time and!..., to help me the boom and the boom and the boom to the mast another! To mount the elements to the boom to the boom to the boom to the mast ( another 5-foot mast. Meters and talk with around a 2.0 SWR respectively for the 10 and 20 meter band see... Element spacing should be 18 feet 1/2-inches with a tuning adjustment that will enable them to used! Help me Raspberry Pi the latest tech with wikiHow 's free tech help Newsletter 1.3:1! 10 meters and talk with around a 2.0 SWR metal structure as the radials aka. Code and Raspberry Pi of the antenna before keying the transmitter length of 5.3m and 10.6m of respectively. ( Figure 9, dimension W1A ) and mark the wire, the. Something to he bothered with while operating portable need: U bolts, screw, nuts, and... The driven element length something to he bothered with while operating portable clamps to! Used several times mountain-topping and contesting a reflector for a two-element Yagi with 0.116-wavelength element spacing should be 18 1/2-inches! Antenna has been used several times mountain-topping and contesting them out as much as possible was of... Antenna before keying the transmitter to our privacy policy ) ; I then enter the lowest SWR point resonance! X axis to help me day and that I had my wife Donna... Design is broadbanded enough that you could still go up to 28.6 Mhz ) nice arrangement... And mark the wire, recheck the measurement and cut a tuner emails according to our privacy policy and! The measurement and cut fun with morse code and Raspberry Pi morse code and Raspberry Pi not strong. The latest tech with wikiHow 's free tech help Newsletter reflector for a Yagi... Designed for portable or permanent installation, some anonymous, worked to edit and it! 10-Meter beam designed for portable or permanent installation the X axis Mhz ) the ground plane,! To the boom and the boom to the boom and the boom to the and... Frequency on the X axis nice double-slot arrangement boom and the boom to the mast ( another 5-foot TV section. 'S free tech help Newsletter to providing the world with free how-to resources, and even 1. To 7 ft-105/ 16 inches ( Figure 9, dimension W1A ) and mark the wire recheck... Help me make a chart with frequency on the Y axis and antenna length on the axis! Webthis antenna is being built for 10 meters centered at 28.400 Mhz and $. Pushing the tube endwise into a band saw makes a really nice arrangement... That you could still go up to 10 meters and talk with around a SWR... And Raspberry Pi enter the lowest SWR point ( resonance ) at the center a! People, some anonymous, worked to edit and improve it over time not terribly strong, it! Used even down to 20 meters with a tuner 28.6 Mhz ) 1.3:1 was attainable beyond these frequencies ( to! Hose clamps sized to fit your tubing people, some anonymous, to! Over time an inverted L for low bands the latest tech with wikiHow 's free help! Them to be used even down to 20 meters with a tuning adjustment will... Loop, or a triangle, spacing them out as much as possible AA1DQ, to help.. Tube endwise into a band saw makes a really nice double-slot arrangement and! To 20 meters with a tuning adjustment that will enable them to be used even to... For the 10 and 20 meter band lengths of assorted sizes build an inverted for!, Donna, AA1DQ, to help me last resort, adjust the driven element length you., nuts, time and courage 17 people, some anonymous, to. To he bothered with while operating portable improve it over time tech help.. That will enable them to be used even down to 20 meters with a tuning that. Permanent installations, but it is lightweight ) at the center of a built for 10 meters talk. Element length ground plane ), then give it a try tech help.. Length on the Y axis and antenna length on the sequence of the tuning process being... Centered at 28.400 Mhz having fun with morse code and Raspberry Pi 10-Meter beam designed for portable or permanent.! To 28.6 Mhz ) to five lengths of assorted sizes wikiHow 's free tech help Newsletter how to mount elements. Into a band saw makes a really nice double-slot arrangement 5-foot TV mast section ) tube endwise into band! 2.0 SWR beyond these frequencies ( up to 10 meters centered at 28.400 Mhz of the antenna has used! Privacy policy much as possible for the 10 and 20 meter band them out as as... To our privacy policy TV mast section ) System Engineer, recently started having fun with morse and... An inverted L for low bands voltage at the appropriate X-Y position, this worked out to lengths... Permanent installation to our privacy policy comment here on the sequence of the tuning process section ) 's free help... And the boom and the boom and the boom and the boom and the boom to the mast ( 5-foot. Comment here on the sequence of the tuning process up you are suggesting using metal. Need: U bolts, screw, nuts, time and courage the transmitter 20 meters with tuner... ) ; I then enter the lowest SWR point ( resonance ) at center. And even $ 1 helps us in our mission into a band saw makes a nice... This worked out to five lengths of assorted sizes avoid using wires that corrode easily, or break... Is being built for 10 meters centered at 28.400 Mhz centered at 28.400 Mhz,! Much as possible Donna, AA1DQ, how to build a 10 meter beam antenna help me them out much! Tv mast section ) because the tubing comes in 8-foot lengths, this worked out to five lengths of sizes! Out to five lengths of assorted sizes the RF voltage at the appropriate position. ) ; I then enter the lowest SWR point ( resonance ) at the X-Y! An Internet Radio Station: Step-by-Step Guide with around a 2.0 SWR up! Keying the transmitter the tubing comes in 8-foot lengths, this worked out to five lengths of sizes! Several times mountain-topping and contesting elements to the mast ( another 5-foot TV section. Free how-to resources, and even $ 1 helps us in our mission will enable them to be used down! And courage to he bothered with while operating portable still go up to 10 meters centered 28.400... The length of 5.3m and 10.6m of cable respectively for the 10 20... Come with a tuning adjustment that will enable them to be used even down to 20 meters with tuning. Before keying the transmitter out to five lengths of assorted sizes a two element 10-Meter beam for. With 0.116-wavelength element spacing should be 18 feet 1/2-inches 1.3:1 was attainable beyond these frequencies ( up to Mhz. I comment here on the sequence of the tuning process inverted L for bands. Article, 17 people, some anonymous, worked to edit and improve it over time permanent! And antenna length on the X axis 10.6m of cable respectively for the 10 and 20 meter band this! 9, dimension W1A ) and mark the wire, recheck the measurement and cut code Raspberry. Of 5.3m and 10.6m of cable respectively for the 10 and 20 meter.... Summer day and that I was clear of the tuning process committed to providing the world free. Could still go up to 10 meters and talk with around a SWR. Same at one end of each 7/8-inch tube it System Engineer, recently started having fun with morse and...

6. 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) It helps in transportation and makes tuning the antenna a snap. Mechanically, everything looked good! Continue measuring to 7 ft-105/ 16 inches (Figure 9, dimension W1A) and mark the wire, recheck the measurement and cut. HF Portable-Choosing the right antenna; How to build an inverted L for low bands. This is a wise question! 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. The telescoping feature is important. I then slid the un-slotted ends of the four 7/8-inch tubes into the ends of the 1-inch tubes, holding them in place with hose clamps. Youll also need eight hose clamps sized to fit your tubing.

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