Smallest 40 Meter Beam Antenna

Number one is the guy who has a small lot in a town or city He probably needs an effective multiband beam, that both he AND the neighbours can live with. It is designed to have extra long range communications, due to its very low angle of radiation. However, almost any combination of ham sticks can be used. Amateur Radio HF Emergency / Disaster Relief Communications. Simply download the YAGI-CAD program and put the tape measure beam design file in the same directory. Attic antennas •Many types of antenna can be mounted in the attic IF you don’t have Radiant Barrier (Tech Shield). 5 cm shorter than a. 9 MHz, a little bit too high for the 60 meter band. making the smallest angle with) the wire. A Three - Element Yagi Mini-beam Using "Hamsticks" For 20 Meters Got some spare "Hamsticks" laying around? Put them to good use and EXPERIMENT! (Published with the kind permission of Russ Wilson VE6VK ve6vk@telusplanet. New Hex Beam from MFJ delivers solid gain and directivity on 40, 20,17,15,12,10, and 6 Meters in a low-profile package that will have your pocketbook and your neighbors smiling! When it comes to lightweight directional HF antennas, the MFJ-1848 Hex Beam tops the list for its low-profile footprint, solid construction, and DX-snagging design. The excellent commercial version of this is available by it's inventor, Traffie Technology for those who don't want to go to the hassles of building. By Mike Higgins, K6AER. by Dave Robbins, KY1H Over the years I have had a variety of antennas for 80m. The Isotron Antenna. It is made with very high quality materials and the best in its class in the market in terms of mechanical construction and electrical performance. 95 each All information, images, and documents on this website are the sole property of Hygain Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from Hygain. The advantage of this configuration lies mainly in its compact size. So far SP7IDX is Europe’s best built G3TXQ Hexbeam Manufacturer. I quickly gained my Technician class license and built a six element, 6 meter Yagi that I put on a small roof tower, and a home - brew 6 meter AM transmitter based on designs in ARRL publications now long lost. There is limited ground space in the back yard For. The Boomer is an aluminum Ground Plane Radial Kit for the Antron 99, Shakespear Big Stick, and other fiberglass base antennas. Random Wire Antenna Lengths. 95 each All information, images, and documents on this website are the sole property of Hygain Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from Hygain. The Sentinel series single band hex beam consists of two elements. 2 m) Boom Length: 4 ft. Wing Span: 10 ft. antenna rotator w/friction brake, 8. HF Electronics bvba is specialist in de verkoop en verhuur van radio apparatuur voor professioneel en amateur gebruik. The antenna offers a gain of about 10 dB, is lightweight, mechanically strong and rivals the performance of similar commercial antennas. the lower ham bands, 40 through 160 meters, few of us will have the opportunity to install antennas that are more than a small fraction of a wavelength above ground. I originally wanted an antenna that would not hit everything overhead while driving, since it was to be installed on a van. Pull antenna back up to full height. After having a great deal of success with a 20m moxon at my QTH, I decided to build a portable version, based on help from The Moxon Antenna Project by KD6WD. A friend, WA7YLI, has similar interests. Build it: 2 meter Tape Measure Yagi Beam Antenna. spiderbeam high performance lightweight antennas. ) Listing on the vertical is still very noisy. matching the antenna. Enjoy browsing through our shop and easily order all our products online. Antenna performance and 2:1 VSWR bandwidth is site dependent and varies with height above ground and surrounding objects. Small Five-Element Yagi. 5 feet •Looking at small size 30 - 40 meter version •Standard 40 meter is 42 ft in diameter •Shooting for under 35 ft diameter with same performance. Hex-beams can be designed in two different variants. Magnetic Loop Antenna systems for HF rated QRP to 100 Watts on 10-80 Meters - Performance, Quality, Service 10-40 Meter 100W-Basic Alpha Loop Antenna. Gizmotchy® 10/11 Meter Power Booster Addition of Gizmotchy® Power Boosters to your Gizmotchy® 10/11 Meter antenna adds another set of director elements plus a 3. I have used there antennas both verticals and beams, and they are rugged and have excellent radiation patterns!. It omits the closing end of the rhombic. I really wanted to turn these into a full-size 2 element 40. CB World carries a variety of small CB radio antennas that pair well with a number of the small CB radios we carry. ase Station CB Antenna. 1 program produced these antenna pattern graphs showing the pattern you should expect. Fortunately, loss in small helices can be minimized by observing two precautions:. 20-17-15-12-10-6 meters broadband hexagonal beam wire antenna. This is really an interesting ham radio antenna project based on the moxon antenna model, that allow in a limited space to have a good bandwidth and directivity. It was originally produced by F6CYV and I came across it on the web the other day whilst browsing. I realize these N6BT shortened Yagi's do not have the gain of a full size antenna. There is. Consult your owner's manual for detailed instructions on how to shorten your antenna. Please choose from the categories on the left. 180 Mhz and has a. This antenna is doing the job great, and now I have 30 free over-the-air TV channels in this bedroom. Pull antenna back up to full height. Apex is at 24 feet, and the ends are at 6 feet. MFJ-1622, MFJ-1625 Window/Balcony Antenna 80-6 Meters : MP Antennas: Super-M 400 Base Base Antenna 400-500 MHz: Super-M Classic Base Base Antenna 25-1300 MHz: Super-M Ultra Base Base Antenna 25-6000 MHz: Solarcon: A99 Vertical 10-17 Meters DISCONTINUED: Surmen: SX- 3 Vertical 2M. I quickly gained my Technician class license and built a six element, 6 meter Yagi that I put on a small roof tower, and a home - brew 6 meter AM transmitter based on designs in ARRL publications now long lost. I found this to be a ridiculous assertion because of how well this antenna performs in my personal experience for both regional and DX communications. Drill holes in the top section of the mast so that the antenna can be attached. Random Wire Antenna Lengths. BEAM ANTENNA. TAK-tenna 40 to 10 meter Multiband Antenna. The General Dynamics SATCOM Technologies lightweight C140M 1. Antenna feedline choice is optional, but you should consider the output matching capability of the transmitter. MODEL MQ-1-CB The comparison and reviews are actually on E-ham under TGM Communications MQ-1, MQ-24SR, MQ-34SR,MQ-26,MQ-26SR,MQ-36SR. e Feather-\rxeigl~t is an ultra-light VHF Yagi that goes where heavier. The antenna is a 3 element full sized 40 meter yagi. Another antenna that we would draw your attention to is the Mosley MINI-31, a three band HF dipole that is just under 20ft long. 1-16 of 144 results for "40 meter antenna" Skip to main search results Amazon Prime. Not bad for a VHF/UHF antenna! 2001 May 31 ***** I now think that the reason the antenna was working on the HF bands was because it was so close to ground that there were some very strange interactions going on. Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from MFJ Enterprises, Inc. Advanced Search 20 meter dipole balun. Below is a three-element Yagi beam on a 55-foot mast whose lowest operating frequency is 14 MHz. in the first hour from Huntsville Alabama I worked Green Bay Wisconson, Texas, Boston, DC area, Denver and south Florida. Right now I have a double bazooka 40 meter dipole up along the back block fence in an inverted v configuration. About 3 dB less gain compared to a 'grown up' 3-element beam - that's half an S-level Fits on any town house without penetrating the air space of your 'dearest' neighbour. • On 40 and 80 meters, Near-Vertical Incidence Skywave (NVIS) techniques may be useful for close-in QSOs into heavily populated areas. Drill holes in the top section of the mast so that the antenna can be attached. Any antenna tuned for 80 Meters should also work on 20 and 10 meters as well. The azimuth patterns overlaid on the plot are for 40, 15, and 10 meters. This morning, on 30 meters, I also worked EA3NT for the. In this post, Don Johnson (N4DJ) takes the half square a step further by building and using an 80 meter version of this antenna. This antenna is similar in construction to the 2-meter OFC sleeve dipole I built over 8 years ago, but it is a simple center-fed dipole. The multi-band antennas have individual 2-element wire Yagi systems for each band, stacked as you go higher up the umbrella. I have purchased one, and the construction is superb. A low fan dipole for 80/40 meters is a good match to 50 ohms, but a high 80/40 fan is closer to 75 ohms. By John Portune W6NBC. Notice that this type of matching is larger than traditional Beta or "T" matching techniques. In part one of this series, I covered the use of one brand of commercially available, small transmitting loop antennas, also known as 'magnetic loops'. We had a 59 contact into MA on 20m and were able to check into the 3905 net on 40 meters. Fortunately, loss in small helices can be minimized by observing two precautions:. Collinear antenna building, by Karl Shoemaker, AK2O. 7 Compact Non-Resonant Dipoles BU01097 and get Free Standard Shipping on orders over $99 at DX Engineering!. Hex Beam Compact 6-band antenna (10, 15, 17, 20, 30, 40) Hex-Beam (Hexagonal beam) antenna is a nice and compact multi-band antenna. 5 foot boom could be constructed from 20 meter antenna parts. They are the articles I wrote over a year ago on small 40 meters single-element antennas that are effective for DXing. Light Beam Antenna & Apparatus, LLC offers a variety of compact, efficient, and stealthy solutions. 1 over entire band 20 meters swr 1. The cheapest way I have found to build this antenna is to find an old Moonraker 4. A kit of parts excluding adhesives is $35 including priority mail shipping in the U. If you don't have this HOA restriction, and don't mind don't mind guy lines, the MFJ-1792 could provide the highest efficiency with perhaps 2 dB more signal on 80 meters and the same on 40 meters. 01 This note looks at the antenna and antenna model for the 40 meter Moxon Yagi designed by Dave Leeson, W6NL. Above the top yagi is a 3 ele Cushcraft 10 m, pointed 90 degrees from the 40 meter antenna. We recommend the use of a Gizmotchy® Universal Antenna Support Kit for beams with 5 or more elements. The rotor is a Yeasu G-1000DXA. many times in amateur radio, and antennas should be included in the lineup of good things that can be made smaller than normal size. If you only looking for 10/11 meter than go the MACO route for sure. If an antenna works on 40. All information, images, and documents on this website are the sole property of MFJ Enterprises, Inc. Prototype #2 was a "4 Band" ( 40 - 30 - 20 - 10 meters) antenna. I had a great idea that a full 5 element 20 meter beam in a fixed direction might reach Europe! Some day when the Sun Spots are helping the Ionisphere. Hex-beams can be designed in two different variants. The shorter wavelength 6 meters antenna wires are the lowest, where the distance between spreader arms is least. Half way in the air is an 80 meter trap. It comes with a hinged based, and is also walked up into position. The fifth antenna measurement section illustrates how to determine an antenna's impedance as a function of frequency. In part one of this series, I covered the use of one brand of commercially available, small transmitting loop antennas, also known as ‘magnetic loops’. Cushcraft Compact HF Multi-Band Beam 10-20 Meters The MA5B, Compact HF Multi-Band Beam Small Footprint -- Big Signal MA5B, Cushcraft’s multiband HF antenna provides 5-Band operation in a package small enough to mount to a tripod. 285 with less than 1. The G3TXQ broad band hexagonal beam for 6 meters is constructed of six fiberglass arms and insulated stranded copper wire. Beam length was then increased by 4 inches to arrive at a final spiral separation of 28. The Procomm PCF Series monoband antennas are tried-and-true. MFJ-1622, MFJ-1625 Window/Balcony Antenna 80-6 Meters : MP Antennas: Super-M 400 Base Base Antenna 400-500 MHz: Super-M Classic Base Base Antenna 25-1300 MHz: Super-M Ultra Base Base Antenna 25-6000 MHz: Solarcon: A99 Vertical 10-17 Meters DISCONTINUED: Surmen: SX- 3 Vertical 2M. This is really an interesting ham radio antenna project based on the moxon antenna model, that allow in a limited space to have a good bandwidth and directivity. The Quad reflector assures low angle of radiation even at low heights for real long distance performance. HF Electronics bvba is specialist in de verkoop en verhuur van radio apparatuur voor professioneel en amateur gebruik. Unlike many END FED antennas on the market, this one does not require the Antenna Tuner to operate. I have a small city lot with some HOA restrictions. This antenna is made for the DX'er that ís looking for an antenna to work across the globe. Amatuer Ham Radio Antennas Also Great For Limited Spaces. As this antenna was new to me, I got a few of these stations to rotate their beams so I could see the front-to-back ratio. 071 on side panel - since there is very little reactance - the load looks much like resistance Theta angle is small. A set of three core components is $20 including priority mail shipping in the U. Whilst we do not boast next day shipping and during busy times there may be a waiting list we take care to build each Hexbeam to the highest standard each and every time. MODEL MQ-1-CB The comparison and reviews are actually on E-ham under TGM Communications MQ-1, MQ-24SR, MQ-34SR,MQ-26,MQ-26SR,MQ-36SR. With that said, go look up the cost of one that is being sold in the magazines and on the web. All this was very safe. Contact one of your local Diamond ® Dealers for current price & availability. This antenna works as a Full Wave Loop on 80 Meters and also works as a 2 wavelength open loop or Bi-Square on the 40 Meter band. Above 8 to 9 meters a horizontal antenna will produce a lower or the same take-off angel, thus better for "real" DX. Wing Span: 10 ft. Cebik, W4RNL. TAK-tenna markets and sells a 40-meter antenna that is a unique arrangement of a simple dipole where the quarter wave sections are wound into flat spirals instead of being arranged in a straight line. A 40' "gin pole", which 20' is above the tower was temporarily added to give us "extra head room" for rigging purposes. TAK-tenna 40 to 10 meter Multiband Antenna. The coil will not need further adjustment unless you change the antenna's length, add a cap hat, or perhaps relocate the antenna. An HF Portable Antenna Paul R. Another antenna that we would draw your attention to is the Mosley MINI-31, a three band HF dipole that is just under 20ft long. Some have the big bad beam high in the sky with an 80 meter dipole added. •Need lots of room, keep them away from metal objects like heaters and ducts •Wire antennas can be run near the peak of the roof inside the attic, bent in odd shapes to match the space available. This broad band hexagonal beam for 40, 20,15,10,6 meters is constructed of six fiberglass arms and insulated stranded copper wire. Download the Original PDF : 40-Meter-Mini-MOXON-Beam-Antenna. Wire-Beam Antenna for 80m 38 62. One side of the antenna (wire) goes up the 11 meter fiberglass pole and from the top towards the house. Boom made from 55 and 50mm tube. All this was very safe. Doing the layout early on let me know where to place the 40 Meter verticals, and where the 30 Meter verticals go as well. The OCFD has a very low SWR on 40. All information, images, and documents on this website are the sole property of MFJ Enterprises, Inc. 000 visitors I closed www. 40 meters antennas are a bit large as verticals but dipoles for 40 meters are quite manageable. ) Listing on the vertical is still very noisy. 5 feet (including the coils). After the trap there is about 10 meters of wire making one side of the antenna 30 meters long. Computer modeling by W6SR, confirmed that an effective 2 element beam on an 11. This morning, on 30 meters, I also worked EA3NT for the. This antenna is up at 140'. 5 MHz at less than 2:1 VSWR, providing coverage of CAP frequencies too. This is a 18ft 80/40 meter Antenna that is Brand New in the Box. As this antenna was new to me, I got a few of these stations to rotate their beams so I could see the front-to-back ratio. ) Good success was seen with a MFJ 1988T. I unboxed the 20 / 40 antenna combo saturday. The Sentinel series single band hex beam consists of two elements. As we increase frequency, the oval grows narrower (decreasing horizontal beam width) while the gain increases--up to 17 meters. Drafted on the same design used in the 3 element Yagi 6 -20 mt, the UB-50-Project has been made. A low fan dipole for 80/40 meters is a good match to 50 ohms, but a high 80/40 fan is closer to 75 ohms. Small multiband HF beams- TET-Emtron revisited While I haven't posted much recently I have been chasing a few wild ideas. 5dbi and the F/B is 14. During what turned out to be an extended tower-raising project (Going from 55 feet to 90 feet), I had my beam down and I needed an antenna that could provide the necessary gain and angle of radiation to talk to my friend Skip down at the South Pole. the lower ham bands, 40 through 160 meters, few of us will have the opportunity to install antennas that are more than a small fraction of a wavelength above ground. Shop for 2 Meter Antennas here. The Scale of the Universe 2 is a nice way to visualize length scales. Designed to be mounted horizontally for weak-signal work, these beams produce gain of 10. The growing interest in the Moxon Rectangle as a wire beam for 40-meter use has prompted me to collect some of my casual notes on the subject and place them here. Figure 3 shows my 4 element quad built with old Moonraker 4 parts on a 40 foot tower. 1 λ long, so once again it simply reflects the W Figure 1 — Layout of compact quad loop. PC4U, 40 meter shortened hexbeam on top of the 6 bander hexbeam 40 meter shortened hexbeam above the 20 meter Hexbeam The antenna is designed on a resonance frequency of 7. The JK402 is a short boom 2 element 40m Yagi that has excellent gain and F/R. Others have smaller beams and more wire antennas. Apex is at 24 feet, and the ends are at 6 feet. Weekend Antennas No. inches of antenna wire were removed from the outermost lap of each spiral, the resonant frequency increased to 7. A properly designed, constructed, and sited small loop of nominal 1m diameter will equal and oftentimes outperform any antenna type except a tri-band beam on the 10m/15m/20m bands, and will at worst be within an S-point (6 dB) or so of an optimised mono-band 3 element beam that’s mounted at an appropriate height in wavelengths above ground. The reflector, director 1, and director 2 can be attached directly to the boom by a variety of methods. 10 meters swr 1. Still others go expedition and construct antennas that lend themselves towards portability. B ANTENNA Wolf Yagi 6L_11m The WY6L_11m is a six element yagi style beam with a long boom(40 ft. is obviously a nice benefit. Small Five-Element Yagi. Antenna 2 Meters - 5 elem. Altough I would like to have elements for 75 meters, these will likely be too long for the house dimensions unless loaded. If you can find a Moonraker 4 that has at least the Boom and hubs (that are still ok to use) you are halfway home. , 3 meter (10 ft). All information, images, and documents on this website are the sole property of MFJ Enterprises, Inc. Take two mono-band mobile antennas and mount them base to base with one being the driven element and the other being the ground side. Wire-Beam Antenna for 80m 38 62. A friend, WA7YLI, has similar interests. Figure 3 shows my 4 element quad built with old Moonraker 4 parts on a 40 foot tower. HF Yagi, HEXX Beam and Rotatable Antennas. The Image below shows the materials you will need to build a 2 meter 1/4 wave vertical antenna for the 146 mHz. 20-17-15-12-10-6 meters broadband hexagonal beam wire antenna. Random Wire Antenna Lengths. Half-Sloper Antenna for 160m 41 66. RadioWavz Sentinel Hex Beam 40-6M Multi-Band Antenna. P1 is a compact, simple and precise laser measurer, and its one button function let you easily switch between different modes and units. tion along the antenna is shown in Fig 2. I also optimized a European version with metric dimensions for 87. Start with a longer antenna length and adjust the legs in equal increments for minimum VSWR. Unlike many END FED antennas on the market, this one does not require the Antenna Tuner to operate. Antennas, 2 Meter HT Antenna: Simple 1/4-Wave (Math WA2NDM), CQ 1994, Sept pg 94 Antennas, 2 Meter Oscar 10 Antenna: How To Build A (Six KA8OBL), CQ 1986, June pg 40 Antennas, 2 Meter Quad: How To Build A 3 Element (Rennaker W9CRC), CQ 1985, Feb pg 29 Antennas, 302-BA(X): A 2-Element 30 Meter Beam (Mitchell N5RM), CQ 1987, Sept pg 42. 1, low snr 2 point low in comparaison my vertical marconi 10. This is because it takes advantage of the nature of transmis-. This is the start of the south tower. One end goes straight into the rig, often with no feedline, and the other end in the air attached to something as high as you can find. The other side of the antenna goes down from the feed point for about 8 meters. The rotating ring on the 190 foot tower was featured on the cover of CQ magazine. The element material came from the tops of W7CY's old 80M 4 square that was built on top of Hy-Towers, thanks Rod! On top of Rod's pieces are elements taken from a KLM 5 EL 20M beam in my pile. Yaesu ATAS-120A 40 Meter through 70cm Auto Tune Motorized HF/VHF/UHF Antenna For FT-857D, FT-450DandFT-897D ATAS-120. There have been questions on one of our local repeaters about operating on 2 meters while living in an apartment. NVI 40 Meter Antenna Modeling. • The overall population density in the West is relatively low. Wire-Beam Antenna for 80m 38 62. It is a directional antenna that provides great performance and does not require a full scale, expensive tower. Like many Hams, I lack the room to erect a 40 meter beam, or one would have been up long ago. Home • Products • Technical Info • Sample Photos Warranty • Dealers • Contact ©2010 RF Parts Company. The boom is 40' long and the elements around 67' each. I have a small city lot with some HOA restrictions. For example, center-load antennas tend to have a longer effective transmit and receive range compared to fiberglass antennas of the same length. ZL-Special Beam Antenna for 15m 41 65. 40-meter mobile Ka-Band antenna is a compact design for worldwide transmit and receive operation in Ku-band. I started acquiring specialty PVC fittings and used them to build a Ham radio antenna called a Two Element Cubical Quad 10 or 11 meter beam. Small CB Radio Antennas. They have an article posted from one of their newsletters describing some loose tolerance multielement beam antennas. The ability to tune on any specific frequency in the 7 -50 MHz (40-6 mtr) range with utmost perfomances, soon will make this 3el Yagi antenna as a real UltraBeam "queen". Since the antenna is "matched " the return loss is zero or extremely small. Improving the Performance of your 160 and 80 Meter Antennas on 80 meters. Small Five-Element Yagi. The loop is a little quieter than the dipole, especially on the lower bands. • The overall population density in the West is relatively low. the lower ham bands, 40 through 160 meters, few of us will have the opportunity to install antennas that are more than a small fraction of a wavelength above ground. Full size antennas are a bit awkward at 75 meters. HF Yagi, HEXX Beam and Rotatable Antennas. So I have tried a couple different portable QRP antennas, in my search for the best QRP antenna. If freq is too low, cut antenna length to achieve or if too high, add wire at bottom corner connection. Explore the 12- and 17-meter bands with this small, lightweight Yagi. The G3TXQ Hexbeam, quality worth waiting for. Ham Radio and Amateur Radio online equipment sales. Hanson, KJ5VW Austin, Texas Imitation, it is said, is the sincerest form of flattery so let me begin by pointing to the direct source of my inspiration for building this antenna. Comet CA-52HB4 Wide Band 6 Meter Beam Antennas offer full band coverage in a compact and lightweight Yagi. performs well, but is “a cloud burner,” good for local contacts within 500 miles. If your antenna is too long, it is necessary to reduce its physical length. So on 10 meter you might have a 5 element beam where as on 40 you would only have a 2 element. Since the 2:1 SWR bandwidth of the antenna is wide the adjustment parameters are relatively broad and fine adjustment is not usually necessary. The antenna lifts up and out of the socket all by itself at highway speeds! The antenna is unusable when it is laying down and most users need to defeat the hinge or constantly adjust the angle to keep it vertical. CB World carries a variety of small CB radio antennas that pair well with a number of the small CB radios we carry. I have purchased one, and the construction is superb. 40 Meter Bowtie Calculated Antenna Efficiency. of the sunspot cycle, the R7000 proved to be a surprisingly good performer, especially on 40 meters. The 6-band Hex Beam that Rob built operates 6, 10, 12, 15, 17, and 20 meters. There is actually a middle phasing section, the brings both 5/8 wave elements in phase electrically. Each American made antenna covers a single HF band with a power rating of 250 watts P. 7 Compact Non-Resonant Dipoles are compact all aluminum self-supported dipole antennas specifically designed for "Limited-Small space" applications Find Bushcomm Horizon 6. Shop for 2 Meter Antennas here. 10/11 Butterfly Beam Antenna Interested in a small lightweight beam for the 10 or 11 meter band? Butternut's Model 10/11 mono-band was derived from the HF5B. The 40 meter antenna was installed to the NW. Let's review some of. EFHW-8010 Multi-Band End Fed Half Wave Antenna. Update August 16 2014 - Th e past few weeks I have been playing around with a 40 meter OCFD at around 33 feet. Jorgenson KE7HR NSS 39382FE The need arose for a compact, cheap, antenna for the 75 meter HF amateur band to be used for cave radio communications. I decided to install an 40 meter dipole in my attic space which is about 25 by 45 feet, and about 25 feet up from the ground. RadioWavz Sentinel Hex Beam 40-6M Multi-Band Antenna. 60 Meter Antennas KE4UYP RSBVE (Reduced Size Broad Elevation Verticals) For 60M Verticals. 65 meters or about 5 feet 4 inches above the top of the vehicle. ProComm PCF40 - 40-Meter HF Fiberglass Ham Stick Antenna. The Quad reflector assures low angle of radiation even at low heights for real long distance performance. Although this Midland small CB radio is a handheld, it has many desirable features, such as 40-channel scan, instant emergency channel, memory functions, and the NOAA weather channels. However, almost any combination of ham sticks can be used. 80 Meter Wire Beam. Advanced Search 20 meter dipole balun. TET 2 element 20/15/10 beam. I made a 15 meter 3 element yagi and he and I somehow managed to get it to the top of the pole. Plans for a 20 Meter Yagi Antenna is a curation of 17 resources about , 2 Element Yagi, Monoband Yagi for 20 meters, 2-Element-Yagis for HF, PV4 4 element Yagi antenna, 5 element yagi for 20 Meter band. All this was very safe. 40-meter mobile Ka-Band antenna is a compact design for worldwide transmit and receive operation in Ku-band. This small Yagi has 5. This antenna is made for the DX'er that ís looking for an antenna to work across the globe. After all, mounting a 40 meter antenna one half wavelength above the ground would place it at 69 feet. 2 The Versatile Vee Beam (i. The G3TXQ broad band hexagonal beam for 6 meters is constructed of six fiberglass arms and insulated stranded copper wire. 2 dBd forward gain with all backlobes more than 20 dB down across the FM broadcast band. It offers these great features: Up to Six bands (20 - 6) fed by a single coax Directional with good front/back Low SWR No tuning required, just plug and play Performs well at lower heights Capable of 2,000 watts power Small physical foot print (11 Ft turning radius) …. Actual resonant antenna lengths can vary with antenna height, ground conductivity, and proximity of surrounding objects. The problems come in the practical aspects of a 40 meter hex beam. This is a four wavelength-per-leg 40-meter V-beam antenna: Gain is 14. If you can find a Moonraker 4 that has at least the Boom and hubs (that are still ok to use) you are halfway home. I am considering added a 75 meter turnstile antenna to my station. Update August 16 2014 - Th e past few weeks I have been playing around with a 40 meter OCFD at around 33 feet. Hex-beams can be designed in two different variants. 7J4AAL's Full-Size, 5-Element, 80-Meter, Rotary Beam Antenna This amazing antenna is located near Hiroshima, Japan. A 15-Meter Beam On A Budget QST February 1971, pp. However, due to current marginal con- ditions, once successful wire and vertical anten- nas have become increasingly difficult to use on this band. Overall length is 40 ft. I quickly gained my Technician class license and built a six element, 6 meter Yagi that I put on a small roof tower, and a home - brew 6 meter AM transmitter based on designs in ARRL publications now long lost. Doing so adds dB gain, power multiplication, and front-to-back separation. 1 is a 15-meter. The antenna is probably too long. Amatuer Ham Radio Antennas Also Great For Limited Spaces. 60 Meter Antennas KE4UYP RSBVE (Reduced Size Broad Elevation Verticals) For 60M Verticals. PC4U, 40 meter shortened hexbeam on top of the 6 bander hexbeam 40 meter shortened hexbeam above the 20 meter Hexbeam The antenna is designed on a resonance frequency of 7. Attic antennas •Many types of antenna can be mounted in the attic IF you don't have Radiant Barrier (Tech Shield). The 6-band Hex Beam that Rob built operates 6, 10, 12, 15, 17, and 20 meters. Antenna Models. Why A Beam Antenna? by W1ICP Some basic antenna information for the newcomer about Yagi antennas including a tutorial on antenna gain and construction of a 15-meter beam antenna. Build an HF Ham Radio Dipole Antenna It is easy to build, construct and erect a dipole antenna for the HF bands: 160, 80, 40, 20, 15, 10 metres, etc using a few simple components at a minimal cost and get great results. Granted, this is not exactly KC1XX’s beam, but it shows that adding the extra wire and work to turn inverted V’s into loops isn’t always worth it. So how does it work? This is the part of most antenna articles I hate, the "On the air tests". Comet CA-52HB4 Wide Band 6 Meter Beam Antennas offer full band coverage in a compact and lightweight Yagi. 40m Compact 4-Square Antenna - EA5AVL. Figure 3 shows the directivity of this antenna as modeled by EZNEC+. The aim is to provide a few extra ideas for those wishing to experiment with the antenna. My best DX with. However it also looked like it was a little complex to build for what I had in mind. 1/4 Wave Dipole Antenna Test Results With the 20 meter dipole at a height of 24 feet, facing East and West from Northport, NY (altitude. 01 This note looks at the antenna and antenna model for the 40 meter Moxon Yagi designed by Dave Leeson, W6NL. 80 Meter Wire Beam. EARC gives you four ways to obtain a 6-40 meter Matchbox Antenna. If you only looking for 10/11 meter than go the MACO route for sure. If an antenna works on 40. Amateur Radio HF Emergency / Disaster Relief Communications. Maco GPRK The Boomer Download Manual THE FIX FOR FIBERGLASS BASE ANTENNAS. The boom is 40' long and the elements around 67' each. 40 meters antennas are a bit large as verticals but dipoles for 40 meters are quite manageable. Adjust length as necessary. inches of antenna wire were removed from the outermost lap of each spiral, the resonant frequency increased to 7. What could be more simple and smaller (at least for HF use) than a 10 meter dipole or vertical. The antenna has five elements on a 64″ boom. Small CB Radio Antennas. CB World carries a variety of small CB radio antennas that pair well with a number of the small CB radios we carry. Notice that this type of matching is larger than traditional Beta or "T" matching techniques. It is easy to construct, requires less space for deployment and yet provides good performance. This morning, on 30 meters, I also worked EA3NT for the. Ham Radio and Amateur Radio online equipment sales. Great Value: Gain and directivity make all the difference when hunting DX or maintaining schedules, and the Hex Beam has a long history of delivering satisfying results where antenna options are limited. One side of the antenna (wire) goes up the 11 meter fiberglass pole and from the top towards the house. Let's review some of. 95 each All information, images, and documents on this website are the sole property of Cushcraft Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from Cushcraft. The 6-band Hex Beam that Rob built operates 6, 10, 12, 15, 17, and 20 meters. The antenna is modeled using the EZNEC 1 package, built upon the NEC 2.