6 Meter Loop Antenna

Reviewed by Bob Allison, WB1GCMAssistant Laboratory [email protected] EAntenna HF Rotatable Antennas include a comprehensive range of mono-band and multi-band Yagi beams and rotatable Delta Loops and Dipoles. Some amateurs obtain good performance with end-fed ½-λ wire antennas. The G4ILO Wonder Loop is an inexpensive, easy to make magnetic loop antenna that covers five HF bands, 40m through 15m. I can’t wait until 6 meters opens back up again. This antenna is the result of my continuing efforts to compact full-size antennas by folding and bending the elements. Here it is set up in the garden for testing on 145. After extensive testing with WSPR on 15 20 30 40 80 and 160 meters I found this antenna to be equal and in some cases superior to my Wellbrook low noise receive loop. Large Loop Antennas The delta-loop antenna is a superb example of a high­ performance compromise antenna. The dimensions of the Delta loop can be calculated by 306. Eligible for Free Shipping. As I noted in an earlier post, I've purchased an InnovAntennas 3-element LFA yagi for six meters. The reason for this is that i wanted to operate an horizontal antenna, with an easy connection. Six Spoke BCB Loop Antenna Hexagon Sprial Loop Antenna. Fig 2—Shielded loop for direction finding. The near end connects to a matching unit situated in the loft of the house. K0FF's 6 meter SLOOP antenna K0FF It is more or less omni-directional, and horizontally polarized, it's just a dipole folded around on itself, and supported at the far (open) end with a plastic insulator. I have been giving thought to setting up a six meter antenna with horizontal polarization. Polarization of Loop Antennas • HF DX signals are constantly changing in polarization • The loop may be vertical or horizontal depending on feed point • Vertical polarization is preferred when antenna is low • DX rule is to feed the loop for low radiation angle • Practical consideration is feed at ground level Select Feed Point to keep. These antennas will function normally if these minimum spacings are adhered. The 6M-F Six Meter Ham Band Magnetic Loop was initially conceived as a learning tool for those who may be interested in building a bigger HF band magnetic loop but wanted to understand the mechanics and basic theory first. So what I've tried doing is using my 20 meter loop antenna as a receiving antenna for 75 meters. Radio Reference Hf Radio Outdoor Antenna Ham Radio Antenna Dipole Antenna Tv On The Radio Hams Wire Communication. Skip to the beginning of the images gallery. Direction Finding Antennas 14-3 Fig 3—Small loop consisting of several turns of wire. 160 meter delta loop. It is important to note that …. 5 pounds, anyone can store this, use this and move this with no problem. The antenna is about 65 feet of ordinary aerial wire, insulated at the far end. 73 Magazine's 160-meter loop ??? 4. Lot Of 2 Mfj 2 Position Coax Switch Mfj-1702c Ham Radio. The 6 meter loop allowed me to work skip on 6 meters while driving 60 MPH down the highway. Why is an Magnetic Loop antenna so special, this antenna is picking only the MAGNETIC part of the ELEKTRO MAGNETIC radio wave. I have used magnetic loop antennas at various locations for over 25 years. org The … K6MYC on Antenna Testing. The large diameter yields broadbanded coverage of the 80 Meter Band. The dipole worked pretty well as most resonant antennas do; however, after considering some other alternative wire designs I decided to try a full wave Delta Loop. Raymond Jackson ( kb9col ) is showing how to build your own 6 METER PLUS antenna. Radio Reference Hf Radio Outdoor Antenna Ham Radio Antenna Dipole Antenna Tv On The Radio Hams Wire Communication. This high performance heavy duty 6 meter antenna was specifically designed to handle the demanding requirements for repeater use. The only look different. As a interested radioamateur to operate on 6 meters it will be nice to work with a simple antenna for 6 meters. I just have to eliminate the inductor. 5-Band, 1/2 wave rotatable dipole for 40/20/15/10/6 meters This is the compact dipole used for HF communications on the set of the ABC Television show “Last Man Standing” with Tim Allen. Price is 6 free classifed ads used surplus electronics. I like to build things that look nice around my house (or someone else's house). Handles 200 Watts PEP CW/SSB. Too many antenna manufacturers overrate the power handling capabilities of their various models, but that's not the whole story. An antenna erected over poor ground (deep shale, granite or desert sand) may appear to be many feet higher over ground than it is. 2 Receiving Data At receiver side tuned coil loop antenna will also work as a from EE 316 at Izmir Institute of Technology. Skip to the end of the images gallery. The measurements below are for building a simple Dipole Antenna. With the antenna mounted on top of a colonial, I've worked over 3 dozen grids so far with very. The SE/NW system has two elements with apex at 58 meters. 00 including shipping to lower 48 About the black Acetal Delrin blocks used on these loops as well as our Moxon antennas: Acetal provides high strength and stiffness coupled with enhanced dimensional stability and ease of machining. Operates 50-54mhz and handles 100+ watts. Using my MFJ-269 antenna analyzer, I was disappointed to learn that the SWR across the HF bands was not at all what I'd wanted. In this video we shall show you how to construct a 6 mtr Delta loop that has excellent and proven capabilities; it is merely a home brew antenna built from near enough commonly found parts. A Hawaii-based Amateur Radio Antenna Blog focusing on the theory, design, and use of homemade antennas. These antennas were a favorite among the paging industry for their lo-band operations, primarily in the 43 Mhz range. VHF Optimized Yagi Antenna for the 6-meterband (50 Mhz) RE-A50Y3 By Guy, de ON6MU. The HG-1 Remote Loop Tuner It is a compact, easy-to-use remote tuner for a Magnetic Loop Antenna (MLA). 1 day ago · Active Antennas Schematics / Circuits / Notes - Electronics Tutorials & Circuits - Discover Engineering Hobby Projects - 100MHz ground plane antenna, 6x6 Antenna Loop, A magnetic loop antenna for 160 to 15m, General Purpose RF Amplifier, Medium Wave Active Antenna, Tesla Power Receiver, TV/Radio Antenna Cable galvanic isolator, Wireless Phono. 1 — 5-19 par. Loop antenna for 160 meters? 2. Lot Of 2 Mfj 2 Position Coax Switch Mfj-1702c Ham Radio. Most use 1/4 inch diameter solid aluminum rod. CB is 11 meters, so the inductor obviously adds too much electrical length for 6 meters. All VORTEX Antennas can be shipped WITHOUT any boom to mast mounting plates. This antenna is designed for two-meter operations, which, for a newbie ham operator, is one of the bands available under the Technician license in the US. How to build a mono band 80 meter 1/2 wave wire antenna. 08 λ above ground) Due to the closed-loop shape, this type of antenna can be considered an extreme case of a "terminated folded dipole". This is my first home brew "DIY" antenna for use on local 2 meter repeaters and simplex frequencies. D eciding to put up a loop antenna can be more of a logistical problem than an engineering problem in the initial phases of your project planning. Here is my review on my new loop. To install the feedline I slit the soil and run the RG-6 a few inches under the ground to avoid mowing over it with the lawn mower in the summer. This leaves a question regarding which period to transmit in as you can't beam East or West with an omni-directional vertical. The feedpoint is just in the middle of the bottom horizontal wire. THE MOXON ADVANTAGE: A Moxon beam can be expected to provide approximately 5. 160 meter loop. With thin-wall PVC, the antenna will be swaying around if there is any wind. 160-6 meters end-fed antenna The ULTIMAX DXTREME end-fed antenna covers from 1. PA3GZK did the test with a Kenwood TS-480 tuned to the 80 meter band and the noise signal from a farm about 500 meters away. This index page covers the antenna system, which is made up of everything from the repeater transmitter or repeater receiver antenna jack out, including duplexers, circulators, isolators, feedlines, the antenna(s) themselves, etc. I must mention that this noise problem only affects 40, 80 and 160 meter bands. Page 5 Operation NULL NULL View from top side of loop Inside or outside the operation of the antenna is basically the same. WIKIPEDIA, The Last Word on Measure with Capacitance Meter or Use. Compare this to our competition. This article provides details needed to build your own. On the HFN HAM ALE.   W6LVP loops cover 2200 through 10 meters (135 kHz through 30 MHz) with no tuning or adjustment. Dick described a 6M Halo antenna that was built from the aluminum frame of a 'generic' lawn chair. To enable disconnecting the wire, making it one long wire, rather than a loop. backup plate 14408 2 s. 160M Loading Coil 7 µH. What you cannot see is a 15" long piece of tubing that I found in my Scrap Aluminum Tubing Barrel, whose O. NEW Design! 100 Watt 10-40M +20W 60/80M Magnetic Alpha Loop Antenna. Diamond ® Antennas are sold through authorized dealers. Having purchased an all-mode, all-band (160m - 70cm) transceiver, I became curious about what 2-meter weak signal operations have to offer. In some ways the slot provides more flexibility because it enables the length of the loop to be altered to tune the 2 metre quad to exact electrical resonance. Handles 200 Watts PEP CW/SSB. ARRL Product Review of the M2 6-Meter HO Loop Antennas. Make Offer - 6 Meter, "Magic Band" loop antenna Ham Radio Horizontal SSB six meters. It's modeled after the basic delta loop design and is fed with a 1/4 wavelength of 75 ohm coax (RG-59U). 00 Quick View View Full Details Compare Ni4L Inverted L 80/6 meter band HF Antenna SWL Dipole Marconi $69. More Buying Choices $41. Longer radial wires, up to 135 feet each, would provide an improvement in signal strength for this 160 meter antenna. 6 Meter Antennas Model # Description 52-4S 4 Element 6 Meter Yagi with 3/8" Solid Elements GP52 6 Meter Solid Aluminum Ground Plane with SO239 Connector 52-1BP. It is a homebrew skyloop HF ham radio 2. The exact length of the cable is important as it's a matching Q section. 5 pounds, anyone can store this, use this and move this with no problem. For a dipole antenna of length L oriented along the z-axis and centered at z=0, the current flows in the z-direction with amplitude which closely follows the following. 2 dBd at 25. It is constructed of semi-rigid coax (solid copper shield) and the small coupling loop can turn inside the main loop. Here is a photo of W2BRI with his 12 foot square magnetic loop antenna. 6 Constructing the Loop Antenna Loop antennas can be built in a number of different ways. The homebrew 6 meter halo antenna was secured with a U-bolt atop a 10 foot (3 m) length of 1" (2. It will also work with other brands of magnetic loop antennas that use a radiator loop with a UHF Connector (PL-259/SO-239). TV antenna UHF Indoor 20 dB amplified SDV3220 Receive digital TV signals with this 20dB amplified antenna This 20 dB amplified antenna is designed to work with your digital set-top box. The dipole ends are close but do not meet, and may have an air capacitor between them as needed to establish resonance. I also saw Tony VK3CAT’s AlexLoop and thought it would be fun to try and make my own as an interesting alternative antenna for SOTA. I’d looked at a number of the loops and squared-off dipoles, even came close to buying a Delbert Loop at HamCom. An Attic Coaxial-Cable Trap Dipole for 10, 15, 20, 30, 40, and 80 Meters John DeGood, NU3E [email protected] 3:1 or less VSWR. That is, given measuring equipment-antennas and a field strength meter-we would have no way of knowing whether the electric and magnetic fields we measured were created by a dipolar or current loop source. and it really impressive. More info here. Well that antenna is only resonant from 52-54 so I had to use the tuner. HORIZONTAL LOOP ANTENNA CONSTRUCTION. Falcon 6 Meter Full Wave / Delta Loop Mono Band Antenna. 6M Halo -- Fabrication. With the antenna mounted on top of a colonial, I've worked over 3 dozen grids so far with very. Constructed and designed primarily to be most efficient on the 6 meter band, this antenna will also tune all the way up to 20 meters with reasonably good results when used with an antenna tuner. I also saw Tony VK3CAT’s AlexLoop and thought it would be fun to try and make my own as an interesting alternative antenna for SOTA. The length of a full-wave antenna is given by the formula 1005 / frequency in MHz = total length of the loop. 2 MHz bandwidth. The antenna is about 65 feet of ordinary aerial wire, insulated at the far end. Adjustable setting that provide 1. Switching to the 20-meter quad lifts, the S meter on a quiet band to around S5, mostly made up of atmospheric or local impulse noises. This is a great step by step instructional video. Besides, the antenna cost a little money and will surely give you a new experience. Viola! A 2 element (round) quad. 6 Meter Band MOXON-STYLE TWO-ELEMENT PARASITIC BEAM ANTENNA By K8JHR OBJECTIVE: Design and build a 6 meter 2-element Moxon antenna mostly from available aluminum tubing and angle stock. 2 Receiving Data At receiver side tuned coil loop antenna will also work as a from EE 316 at Izmir Institute of Technology. Building the 6 Meter Moxon Antenna Description The Moxon Antenna, designed by Les Moxon G6XN (SK), is a compact two element beam antenna with about 5. At a minimum, 32 radials, each 65 feet long, should be used with this antenna. It covers 40, 20, 15, 10 and 6 meters. The stub in the top leg of the antenna opens the loop when operating on 40 meters and selected other bands. Most designed discone antennas are broadband-type antennas and generally have unity gain. With this antenna, you can experiment and learn, while making many contacts. 6) The small magnetic loop doesn't need counterpoises, making it ideal for temporary operating locations, or for situations in which there is no room available for counterpoise wires. It is precision CNC made and developed by Bob himself.   W6LVP loops cover 2200 through 10 meters (135 kHz through 30 MHz) with no tuning or adjustment. – An antenna that covers no more and no less than 6 bands from 14 MHz to 54 MHz with more than acceptable result. Double Bazooka NVIS Antenna Calculator. 2) a 43 to 51 MHz antenna for observing MUF as the band opens up. The mechanical construction of the particular loop/dipole antenna must be performed by the user. To build the largest and most complete Amateur Radio community site on the Internet. for the 160 Meter Band. Hy Power Antenna Company, Our mission is to get as many hams active on HF with quality products at reasonable prices, ku3x, HAM, Amateur, SWL, Short Wave Antenna. 3:1 VSWR over a 0. W6LVP magnetic loop antenna Magnetic loop receive antennas are a great weapon in the fight against natural and manmade noise. ) capacitively shielded loop antenna that I developed for two meters. Well that antenna is only resonant from 52-54 so I had to use the tuner. On a vehicle at 11 feet above ground, the gain jumps to 4. All information, images, and documents on this website are the sole property of MFJ Enterprises, Inc. Murray, KD1BL Author's Note: This article describes a 75/40 meter NVIS, but one could use the construction techniques to build just a 75. It works the 6 meter, 2 meter. Antennas, Feedlines, Towers & Rotors (Moderator: K4kHV) 6 meter loop antenna; Click to Search FCC Call Sign Database. It won't quite tune 80 meters unless I use extra matching capacitance box between the ATU and the coax lead to the antenna. The recording is switched between a 80 meter Zepp antenna or a magnetic loop antenna having a diameter of 3. Two meter (6. These wires will form the pigtails (marked X and Y in Fig 1. Falcon 6 Meter Full Wave / Delta Loop Mono Band Antenna. Worked 37 countries mobile with this antenna using a TS-480SAT and it's in ternal antenna tuner. 6 out of 19 pages. In other words to increase radiation resistance, the loop has to be made spatially larger. Electrical tape 7. Plus it’s easy to build and gives a great opportunity to teach several subjects with a hands-on approach. The single-element loop antenna is almost exclusively used on the low bands, where it can produce low-angle radiation, requiring only a single quarter-wave high support. new 100 watt alan cte k160 swr & power meter cb radio antenna meter 1. Coaxial cable, or coax, is an electrical cable with an inner conductor surrounded by a tubular insulating layer typically of a flexible material with a high dielectric constant, all of which are surrounded by a conductive layer called the shield (typically of fine woven wire for flexibility, or of a thin metallic foil), and finally covered with a thin insulating layer on the outside. 03 twinlead Quarterwave Vertical is: 4. These antennas were a favorite among the paging industry for their lo-band operations, primarily in the 43 Mhz range. net is a Web site dedicated to ham radio (amateur. This makes it easier if you change locations (QTH) often with the antenna, as I did. Viola! A 2 element (round) quad. Raymond Jackson ( kb9col ) is showing how to build your own 6 METER PLUS antenna. wish i build it alot earlier. Ovet-all view of the Featherweight 6-meter Yagi. Get Your Ham License Two Day Technician license. On the HFN HAM ALE. I make both Square or Round 2 meter loops. Includes construction hints and demonstrations. I really only built this loop for demonstration purposes but it does work. Hamspeak Delta loop — Name used to describe a full wave loop antenna configured in triangular shape. 5 MHz with a 500 pF capacitor but it's efficiency would drop to 7. Our antennas are optimized for maximum performance at the bottom of the band where most DXers congregate. HF Antenna Design Notes. Submitted by ac8ne on Thu, 01/18/2018 - 20:39. What others are saying The aerial element and the coil are made from a single piece of welding (brazing) rod, and the dimensions are given in Figure. 0 N meters Center of Array Coordinates Type of Structure. long wire loop giving a lower takeoff angle than a dipole, which in turn gives a lower takeoff angle than the Loop Skywire. Or 20' 5/8" at 50. Today, Wednesday March 28th, Jaap PA7DA did start to build the Deltaloop antenna for 6 meters. I used EZNEC to model this antenna. A 6 METER HALO. 3Experimenters wishing to build a unidirec-tional or omnidirectional version of this antenna can contact the author for further information. This is step two of the process to build and install a pair of halo antennas for use on 2 meters SSB. The system was tested using a 100 W transceiver connected to a 90 ft, 450 Ω balanced transmission line and a 120 ft dipole antenna 30 ft above ground. Talking with friends on the morning 75 meter net, one recommended that I install a full-wave 80 meter loop. This simple delta loop has excellent and proven performance. 3Experimenters wishing to build a unidirec-tional or omnidirectional version of this antenna can contact the author for further information. The basic formula for determining the length of a full-wave wire Loop antenna is:. If you want 75 Meter operation make it 57 ft long. NOTE: This antenna can be cut for the 6 meter amateur radio band and makes an excellent repeater antenna. Find the band coverage and performance antenna of your dreams right here. All FM antenna sales include free tuning to your frequency. The shapes of the 6, 12 and 24 foot high antenna patterns differ only in gain, but maintain the same basic shape. was exactly my halo's I. So in this case, we want to build an antenna for 6 meters, 50. HF Antenna Design Notes. He has a balcony on the rear (south) side, but high buildings are very close, he has no direct sight in any direction. 6 meter, 2 element yagi. Third generation LFA (Loop Fed Array) Yagi (other antennas) around the antenna or in the field of view along with still being usable in rain, snow and ice. Test/Site Conditions for our Quarter Wave Sloper vs Inverted-V Dipole Because of the above stated variables we wanted to test these antennas over the. 6 meter loop antenna plans,document about 6 meter loop antenna plans,download an entire 6 meter loop antenna plans document onto your computer. The overall length of that antenna is 44 feet. The Horizontal Loop antenna works well. Loop antennas are of two types. Schematic fig1. The 160 or 80 meter full wave loop (particularly the 160 if you have the room and supports) will load up nicely on several bands without a tuner, and on pretty much all HF bands with a little tweaking from a tuner. Still tuned to 20 meters and changing the antenna switch to another loop, reduces the background by several S points. As loop antennas get larger, they become better antennas. Delta Loop Antennas are easy to make, fun to use, and offer a bit of gain over a dipole antenna. multiband compact beam, 6-band, 6,10,12,15,17,20m $759. Antenna gain is measured in either dBi or dBd. This allows the antenna to be lowered and adjusted for maintenance and tuning. In some ways the slot provides more flexibility because it enables the length of the loop to be altered to tune the 2 metre quad to exact electrical resonance. An HF Portable Antenna Paul R. Full-Wave 6 meter (6M) Amateur Ham Radio Dipole Antenna. It is time to get out there and put up that 6 meter horizontal antenna! This antenna is an omnidirectional and designed for SSB use. Fig 2—Shielded loop for direction finding. Condition is used. Elements are 3/8" Solid Aluminum. Handles 200 Watts PEP CW/SSB. The overall length of that antenna is 44 feet. Example : For a 160 meter loop, 1005 divided by 1. The rules call for an omnidirectional horizontally-polarized transmitting antenna at a height of two to three meters above ground level. The antenna is about 65 feet of ordinary aerial wire, insulated at the far end. 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. Cebik, W4RNL. If I had erected a somewhat larger loop, I probably could have operated the antenna on 160 meters as well. 10m Antenna Selection Warren Alford, KJ4RAQ. 86` diameter (9`circumfrence) loop for 20 meters with spiral wrapped 3" diameter pool noodles. The Feed and Phasing cables are added. com 2M Fan Antenna (Yes From an Electrical fan). On 40 meters the SuperLoop 80™ is a 2 wavelength open loop or Bi-Square. 6 Meter Antennas: Six Meter Antennas A Bunch-- From 6MT. Some TIPS on measuring VSWR and troubleshooting M2 … Antenna Gain: dBi vs. 2) a 43 to 51 MHz antenna for observing MUF as the band opens up. Plus there are super specialized 2 meter or 70 cm Cross Polarized Yagis and the compact EAntenna 6 meter Moxon antenna that has only a 3 ft. Move the coil near the radio until you hear the station improve. As the late spring and summer months heat up, six meters comes alive. 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'. Summary This is my first LFA Yagi and initial performance indicates that this antenna will be a big improvement over my 6 dBi gain 6m Moxon5. 80-40-20 M dipole 80 40 20 Meter Dipole Array By KJ4EX October 2008 Recently I have installed three of these systems, all untuned, requiring the use of a tuner, but capable of operating on 80 through 6 meters. Delta Loop Antenna. Silver Solder 3. " Varying the flags'. The attainment of a high-Q tells us that the loop antenna is not lossy and inefficient. The Compact Quad Multiband HF Antenna An easy to build loop with a simple matching section offers four band HF coverage. Only a few lucky hams have room for this type of antenna on 160 or 75 meters but on 10 meters the overall length is just 43 feet long! This is smaller than a 40 meter dipole. It is precision CNC made and developed by Bob himself. This tunable magnetic loop antenna is my contribution to the well established art of amateur loop making. This new design is easy to match in any situation. The half-10 Meter and 6 Meter Rotatable Half-Wave Dipole Antenna. In this video we shall show you how to construct a 6 mtr Delta loop that has excellent and proven capabilities; it is merely a home brew antenna built from near enough commonly found parts. The exciter, instead, is constructed to be terminated by a 3way BNC adapter. Radio gonio-meter(Loop Antenna) 6. long wire loop giving a lower takeoff angle than a dipole, which in turn gives a lower takeoff angle than the Loop Skywire. More Buying Choices $41. The detailed construction drawings, sheets and. Look for my latest antenna article, the 'Rhombic Loop Twofer', in the June 2017 issue of QST!. Click here to take a Photo Tour of the K4RO station. Most designed discone antennas are broadband-type antennas and generally have unity gain. Other options include the choice of mounting plates and complete mounting solutions with U-Bolts and Brackets. It may be in any shape such as circular, rectangular, triangular, square or hexagonal according to the designer’s convenience. In the far field, both sources "look" the same. Shipping costs have also gone up. My Loop Antenna November 20, 2013 9 Characteristics of Small Loop Antennas for HF Operation • Coupling loop ≈1/5 diameter of main loop for good impedance matching on all bands • Antenna is narrowband, operating at resonance of loop L and tuning C • Radiation resistance in series with loss res. You don’t actually attach this antenna to the radio. 160 is a great band, and it's not called the "Gentleman's Band" for nothing. Easy to install and easy to power. 6-30 MHz frequency band. by Jim DeLoach, WU0I. Constructed and designed primarily to be most efficient on the 6 meter band, this antenna will also tune all the way up to 20 meters with reasonably good results when used with an antenna tuner. By comparing them, you should be able to construct a tuner to your own particular requirements. Bruce, my loop is a full wave hanging vertically. Conditions are expected to improve in the near future as Solar Cycle 24 progresses, so it seems a good time to add a 6 meter antenna. It is important to note that …. The NE/SW system has two elements with apex at 92 meters, above two elements with apex at 46 meters. The general idea of a loop skywire is to put up as much wire as possible, without worrying about cutting it to resonance, and feed it with ladder line. Double Bazooka NVIS Antenna Calculator. In a pinch, a 2 meter 5/8ʎmobile antenna can be used on 6 meters (I have!) 1/4ʎon 6 meters is 55. This article has described some modifications to the MFJ-932 QRP Loop Tuner that overcome some of the deficiencies associated with this compact loop antenna tuner,. An active receiving antenna is not just an antenna followed by an amplifier. HORIZONTAL LOOP ANTENNA CONSTRUCTION. This amplifier is intended for construction of small wideband active receiving antennas from LF to upper HF bands. org The … K6MYC on Antenna Testing. Razor blade 6. This leaves a question regarding which period to transmit in as you can't beam East or West with an omni-directional vertical. I wound this on to the fishing pole which. In some cases my 99 cent loop antenna will outperform the antron 99. Only at eHam. I will first describe the basic 3-DFL and then provide construction details for the 2-meter and 10-meter 3-DFL antennas. At 2 meters, a similar pattern would occur at about 1/3rd that same height - at 2. The half-wave center-fed dipole is one of the most popular antennas in use today. Keep in mind that the pattern shown is for a 6 meter antenna at about 7 meters (21 feet or so) - or about 1. Silver Solder 3. Maximum response is in the plane of the loop. The units are designed for testing satellite communications links. This new design is easy to match in any situation. 1 meters in my case). 15 Meter Antennas 15 Meter Beam -- From The ARRL K5OE Antennas-- HF Antennas - 10/15/20 m Dipoles 15M Delta Loop 15M Yagi Optimized Wideband Antenna A One Element V Beam For 15 M From KB4XJ Verticals 12 Meter Antennas. I have worked 24 countries with my 20 inch loop. Inexspensive way to do 6 meters. Okay, let's build one! Below is a rough diagram and some photos of my skywire horizontal loop antenna. Both work the same. 300 Ohm Twin Lead with the ends shorted is an option for even greater bandwidth. 10 gauge enameled copper wire is used in the RF transformer wound for maximum efficiency on 6 meters. It gives a gain of 4 dB over a dipole and the F/B is about 15 dB. soft copper tube closed by a 10 Pico farads mini butterfly capacitor. 6) Has the applicant received a declaratory ruling(s) under Section 310(b)(4) of the Communications Act? 6a) Enter the citation of the applicable declaratory ruling by DA/FCC number, FCC Record citation, release date, or any other identifying information. The shape can be a circle, square, rectangle or a triangle. Yes, you can double the size of the antenna and the value of the load, to design for 80 meters band. 4 GHz loop antenna will only need to be about 12 centimeters in perimeter. Some TIPS on measuring VSWR and troubleshooting M2 … Antenna Gain: dBi vs. a) Copper Loop Construction First, I constructed an octagonal magnetic loop antenna using 20 feet of copper tubing and 8 - 45 degree elbows purchased at Home Depot. This new design is easy to match in any situation. Antennas, Feedlines, Towers & Rotors (Moderator: K4kHV) 6 meter loop antenna; Click to Search FCC Call Sign Database. This article provides details needed to build your own. Two portable 6 meters antennas - two-element quad and a three-element yagi with telescoping elements -- From VE7CA Verticals. The direction of fire is broadside to the antenna. Utility meter transponder exposed ground level antenna assembly. I used EZNEC to model this antenna. The patterns of the 2 meter antenna looks similar. Antenna wire left over from an 80 meter dipole project became the element for my 10 meter horizontal delta loop, which keeps my mode A downlink strong on the overhead portion of my mode A passes. In addition, the coupling loop assembly easily adjusts in height to guarantee an optimal match on all bands. It is demonstrated on a number of sites. It stayed up all winter.