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How to build a 11 meter mobile antenna

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The J-Pole antenna is much more popular on VHF . Do not expect it to pick up all the WiFi signals that may be listed on your computer as out of range though; there are a lot of variables that affect reception. While 1/8th wave works reasonably well, better coverage is obtained if the antenna is mounted at about 1/20th wavelength above ground. The antenna can now be inserted into the conduit, and the other end cap can be installed. Special considerations are given for optimizing DX in R/C vehicles like building a vertical Dipole antenna for model aircraft and a Ground Plane for receiving in the app …Buy Magnetic Mobile Antenna Ham Radio 2 Meter / 70 cm 140 to 150 and 440 to 470 MHz: Radio Antennas - Amazon. Screwdriver HF Mobile Antenna (DK3 design) · 7000 2 Meter 70cm 144 / 440 Designs Crib Baby Bedding · Low Profile UHF 450 512 MHz Mobile Antenna. 945 MHz, nightly, around 7 to 8 PM. Driven element dimensions are …ATV Application Notes and Info. com. 14dbi, or 0 dbd in free space. Known as the Magic Band, the six meter band …Product Description. This antenna is peaked for 432. If you don't have an antenna up for 10 meters, here are some antenna projects for you to try and see what all the 10 meter fuss is about. Two end insulators and one center piece. This article provides all the details needed to build your own. 9. Below a picture of the antenna on the back of our barn. Although primarily mounted on a mast and used for short range base to mobile communications, ground plane antennas also make good DX antennas. Looking up 160M mobile coils on the Internet most people talked about big diameter coils about 8" long. com. A metal center mount would short out the radiator and the mast. Separate the speaker wire into two 18-foot lengths. …Building the 6 Meter Moxon Antenna. 5, and Hi-Q-3 antennas. V. Description Able to cover all […]432 MHz. 00 Ham Radio Satellite Antenna. You can rotate the antenna to obtain the best signal as the front to back S reading in my tests to a local packet repeater showed from between s7 to s1 on the uncalibrated S meter on my Ft2600 rig. Post #1555. I'm looking to build a 1/4 wave antenna for 2 meters and 70 cm (rig is a Kenwood 2000, SO239 for each band, hence J Pole is not an option). com/youtube?q=how+to+build+a+11+meter+mobile+antenna&v=3Zh2C539fKA Jun 20, 2015 102 inch DIY CB Ground Plane Antenna. One or more Power Boosters can be added to your existing beam. Measure 206 11/16 inches from the end of each wire, and cut the wires to this length. 11m CB Bazooka Antenna Construction - Part One - YouTube www. Details the most common types of antennas used on 11 meters. for over 50 years. Yea, you can build a dipole, convert a mobile or erect a vertical monster, but the Starduster is inexpensive, easy to tune and 13 Jan 2007 Does anybody know which are the best mobile antennas for DXing on 11 meters. 8 metres long, and very cheap. This 10-meter antenna just plain rocks! There you go, you’ve build yourself your own 2 meter Omnidirectional Slim Jim antenna for less than USD2 (RM 6. In the past ive used a A directional antenna will make a *massive* difference to your signal and is easier to stash in the car. shartne. Mounting stealthy off center fed dipole ham radio antenna in trees using a wrench and 550 cord. This is the section to read if you do not want to build your own antenna but figure out which commercial design best suites you. 00) 2 Meter Wire Slim Jim Antenna in action Categories Ham Radio , Hobbies Tags antenna , diy , Hobbies , hobby , homebrew , slim jim , slimjim Highest Gain Fibreglass Antenna on the Market, Works with IMAXGPK Ground Plane. How To Build A Delta Loop Antenna. ATV in Radio Controlled - R/C - Vehicles - App Note. Sunday, January 21, 2018 Build a Portable 10 Meter Yagi Antenna. Turns out for this project an old CB 11 Meter "hamstick" style antenna with a little longer tuning tip makes the whole thing resonate at 160 Meters! Alibaba. With the MFJ-259B connected to your antenna, push the mode switch until the frequency counter displays. Antena dipolo para 11 metros. Hands down the best performing mobile CB antenna you can buy Ideal if maximum range / performance is most important Built from stainless steel and designed to last Description When it comes to antennas, the longer the better. Using the 11 meter band with frequencies between 26. But all types of antennas can be changed into the frequency you prefer. Assembling an effective indoor antenna for the HF bands can be frustrating. 42 meters or 11 feet 2 inches long from the top of the mounting spring to the tip. com/ CB-antennas. If you're looking for a low cost solution for a portable hamstick antenna pole for your ham radio, then check out this video. In the summer of 2010, I decided to construct a 1/4 wave 80 meter vertical using 3" OD Aluminum Tubing. Post 1699. Resources listed under Mobile antenna category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. The drawback is they do need a "groundplane". On the good side it has a relatively low takeoff angle compared to a low dipole. Choosing to use anything but a good quality vacuum variable capacitor will result in substandard performance compared to the results claimed in this prototype antenna. Note: This unit has been declared illegal on the 11 meter citizens band. Antenna HB9CV27. Ham Radio 2m/70cm Vertical Dipole Antenna. 1 A Broadband 80/160 Meter Dipole An easy to build single wire antenna for 160 and 80 meters with a better than 2 to 1 swr across the 80 meter band. Target System - I am looking to build/ extend the range of 125khz RFID reader upto 1 meter (~ 3ft) to be captured while walking through a gate detector (kind of like two pillar antenna in pic below). For example, you can choose to start out with a 3 element beam and then you can increase your boom length, number of elements, DB gain, etc at For the operator who demands the highest gain available from a single antenna, the L8 will deliver. com/youtube?q=how+to+build+a+11+meter+mobile+antenna&v=XdCwsnkw4S4 Aug 14, 2015 how to make half wave four element beam for 11 meters cb radio because 144 asked me how to make it. In San Diego we have an active 160 Meter group, 1. John Winsett is Audioman288. 60 as my answer. As the late spring and summer months heat up, six meters comes alive. I want to use it as a 5/8 wave base antenna . There are times when you may need more gain than the standard J-Pole antenna. All mobile and base transmitting antennas need counter-poise, more commonly called ground plane. Its a 50' (thats right 50 foot) 11 meter ground plane antenna, that is actually "two" highly efficient 5/8 wave (. If you're looking for a low cost solution for a portable hamstick antenna pole for your ham radio, then check out this video. In selecting antenna designs I wanted something that was easy to build, inexpensive, and had good performance. The antenna itself is 3. At this frequency, this antenna is getting very practical and easy to build. 965 MHz and 27. How you can easily build a homebrew 2 Meter ¼ Wave vertical antenna for under $10. A mobile antenna on a car presents unique problems. Step 10. 144MHz 2m Portable Yagi VHF Beam Antenna Version 4 of the portable beam, the ‘PegTenna’! Since an old 5 element version (v1) of my antenna was shown in the July 2011 edition of RadCom , a few people have contacted me asking for some information on how it was constructed. 5:1 • No Tuner needed • Bandwidth: Over 750 kHz This article demonstrates how to build a 14-element Yagi antenna for Verizon 4G LTE (or for 3G) in 10 steps for $10. com FREE DELIVERY possible on eligible purchasesFind helpful customer reviews and review ratings for Magnetic Mobile Antenna Ham Radio 2 Meter / 70 cm 140 to 150 and 440 to 470 MHz at Amazon. I have an old firestik fiberglass antenna (7 foot) which is composed of a fiberglass rod and simply a copper 14 ga wire wrapped around the fiberglass shaft. Super J-Pole Aaron Schmitz KB0YKI The Near Vertical Incident Skywave (NVIS) antenna is a half-wave dipole antenna mounted not over 1/8th wave above ground (at the highest operating frequency). 26SW037 has found another application…for when there is no propagation !. Bigger dimensions could give restriction, depending on your location and /or your neighbors. ask. 8 metres long, and very cheap. Getting the antenna out into "fresh air" is the most important aspect of this challenge. The bonus is, without the tip, I can screw another antenna in the top of the 75 Meter and make a longer whip. The unique circuit design allows an input of only 4 watts to be boosted up to 100 watts. It's an 1/8 wave vertical on 160 meters also. 5-Band, 1/2 wave rotatable dipole for 40/20/15/10/6 meters. Wideband Discone. . You are now the proud owner of a Comtek 20 Meter Vertical Antenna. So when you see a 1. Gadget Hacks. 5. com FREE DELIVERY possible on eligible purchases Find helpful customer reviews and review ratings for Magnetic Mobile Antenna Ham Radio 2 Meter / 70 cm 140 to 150 and 440 to 470 MHz at Amazon. Many more antenna configurations are of course possible. BaoFeng UV-5R Plus antenna modification. ATV Application Notes and Info. by Sirio Antenna. The more you load an antenna, the shorter it gets, and the lower the radiation resistance. Many T-hunters, myself included, prefer quads to yagis because they are more compact. 238 mhz) but i do not know what the first think to do. How To Build A 10 Meter Buy Magnetic Mobile Antenna Ham Radio 2 Meter / 70 cm 140 to 150 and 440 to 470 MHz: Radio Antennas - Amazon. With twice the gain of a standard J-Pole antenna, the 2 meter Slim Jim antenna is …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. Not all antennas require a ground plane. Since I planned to use this antenna for the 10-meter Novice/Technician phone sub- band, I decided to aim for a resonant fre- quency of 28. I started out with a 5/32″ drill as a pilot hole, then finished off with a 5/8″ speedbor spade bit . ) This page details several T-match tuners. com by /cq43ax101/Cubical_Quad. 1 MHz. Here's some quick tips and tricks that may help you get on the HF bands with an indoor antenna. Working with an 8-foot whip, typical of the stainless-steel whips sold for 11 or 10 Meter operation, a loading coil with an inductance of 1. signs , cars, trucks, trailers } 11. Even an antenna 13 feet in overall (electrical) length will require an inductor in the neighborhood of 600 uH. com/youtube?q=how+to+build+a+11+meter+mobile+antenna&v=KASWnflEX_0 Jan 22, 2012 Made from coax, this is an ideal antenna for portable use or as an emergency a. youtube. Understanding Shortwave Antennas: Page 11 11. Contact one of your local Diamond ® Dealers for current price & availability. A basic antenna like a dipole is self-contained and requires no ground plane. Play and Listen in this video i show you how to build a portable antenna for the ten meter band of ham radio i built this antenna for a ham radio thing called field Gizmotchy® beams are made to build upon. Wrap the wires on their respective forms, holding the turns temporarily in place with electrician’s tape. 33. (testing a 7el V-yagi @ 19SD348). ** Free Shipping ** Hustler RM-80S, 80 Meter Super Resonator HF Mobile Antenna. Status: ResolvedAnswers: 3How to build SM0VPO’s 20 meter magnetic loop antenna | The https://swling. At last year’s Field Day I built a six meter antenna to replace a slightly damaged 3 element beam. Each radial is evenly spaced (90 degrees apart from each other) around the vertical element. The smallest antenna described for 80 metres was a magnetic loop. Tram Browning BR-140 - NMO 10/11 Meter Quater Wave Premium Mobile Antenna F/S. I have spent quite a bit of money on my 2 meter mobile antenna and i would like to save a few dollars . Using CB Vertical antenna’s co-phased for forward directional extra gain. Because it ends up being a long antenna on HF , it isnt all that popular . K7AGE Build a Portable 10 This 11 meter j-pole antenna has a little more gain than the ordinary half-wave end fed vertical or vertical dipole and can help increase your signal strength. A. The power supply has two output termini. Half-Wave Dipole for 11 Meters (by 56FL114, Pete) A Simple and Certainly Working Antenna Solution. I'm looking for a cheap 10(11) meter base antenna, like the A99, etcmaybe something you took down when you got the big beam and don't use anymore. Long Range Biquad Yagi Antenna. Also, our RACES Room at the County EOC has 160 Meter …by Peter Parker VK3YE – first appeared in Amateur Radio, December 1997 October 1997’s Novice Notes looked at compact antennas that amateurs use to operate from confined locations. COPPER WIRE TO BUILD YOUR ANTENNA (Standard Half Wave Dipole). The lower halo is mounted at 40 inches height (0. These are not computer predictions but real measurements. SIMPLE VERTICAL DIPOLE FOR 11 METERS - YouTube www. 19 dB, but the peak gain of the 5/8th wave is only . Buy Magnetic Mobile Antenna Ham Radio 2 Meter / 70 cm 140 to 150 and 440 to 470 MHz: Radio Antennas - Amazon. An antenna ground plane is not to be confused with an electrical ground. I am amazed - from the time I opened the box. Make some styrofoam spacers to slip over some of the antenna elements. A Hamstick has a far more rigid portion than a CB antenna or a Little Tarheel so would provide more wind resistance. http://cb-antennas. Attach the exposed end of the feedline to the bottom of the collinear by connecting the center conductor of the feedline to the outer conductor of the antenna and vice versa. Ham Radio 10 Meter Ground Plane Antenna A 10 meter ground plane antenna that can be mounted on a mast or used as a ground mounted vertical antenna. YAGI ANTENNA . CUSHCRAFT AR-10 - 26-29. enclosed collinear If the antenna is to be used outdoors, the end caps should be glued on with appropriate conduit glue, to ensure a weather-proof seal. ** Welcome to the Home of the TRUE CB QUADs ** This site is dedicated to providing information about the different types of antennas we manufacture for the Citizen Band Radio and 11 Meter DXing. 0Mar 03, 2007 · Actually i want to build some antenna for 11 meter (27. Any 160 meter mobile antenna will have very poor efficiency, perhaps as low as . Need a really simple antenna for better indoor 2 meter operation? Try this vhf delta loop you can hang in any window. With twice the gain of a standard J-Pole antenna, the 2 meter Slim Jim antenna is …Back to Home : Antenna Systems Information (antennas, feedlines, duplexers, circulators, isolators, calculators, etc. Background. . The distance between one point to another adjacent point in a wave is known as the wavelength. A 11 Meter Helical antenna. Nevertheless, with the help of a small antenna matcher I had, I was able to get my rig to work with the antenna. 10/11 Meter Quater Wave Premium Mobile Antenna F/S. You have just built a Vertical CB Dipole Antenna, that needs NO Grounding, or other constructs, to work. I'm building a bumper mounted antenna tower, EMT with some Stack Exchange Network Stack Exchange network consists of 174 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. It is a quarter wave vertical radiator and four radials that simulate a ground for the radiator. com Build a DIY 2 Meter Vertical Antenna Next, I took the 3/4″ THD Dome Cap and drilled a 5/8″ hole through it. Its BTV (vertical) antennas continue to set the standard for trapped vertical antennas, delivering the best reliability of any multi-band vertical on the market. If your vehicle does not provide sufficient ground plane for a regular GP antenna, the NGP system will solve the problem. About 34% of these are antennas for communications. The antenna’s low cost is made possible by modifying a RadioShack FM broadcast Spanish language freeband 11 meter and CB radio traffic heard on a Galaxy 959 with a 50 foot random wire antenna. The Slim Jim Antenna is an end-fed folded dipole antenna that has a gain of 6 dbi and a nice low RF take off angle. Resources listed under 10 Meter Antennas category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. 1-16 of 24 results for "build 10 meter antenna" Sirio Antenna 827 (26. I will handle the first reason immediately -- no full sized quarter-wave 11-meter (CB in US) antenna should be mounted with a magnetic mount -- although the "wrongness" of this type of mount suggests it is likely a shorter antenna with a loading coil. Also, our RACES Room at the County EOC has 160 Meter capabilities. 47 feet. Product Description. antenna! – Proximity to earth changes the impedance – High dipoles are closer to 75 ohms – Low dipoles are closer to 50 ohms • Feedline SWR (and loss) depends on the match between feedline and antenna – Use feedline that matches the antenna • XMTR will reduce power if mismatched – Use an antenna tuner to make the rig happy The main problem with stacked antenna's like the colinears is feeding them efficiently. By comparing them, you should be able to construct a tuner to your own particular requirements. netwww. Special considerations are given for optimizing DX in R/C vehicles like building a vertical Dipole antenna for model aircraft and a Ground Plane for receiving in the app …. The Feed and Phasing cables are added. Yea, you can build a dipole, convert a mobile or erect a vertical monster, but the Jul 18, 2008 tested meanwhile(1,5meter from the ground)first call belgium-poland 1023 km, and reception is very ok!excellent to take along on hollidays. In short, the NGP system (we call it a system because the antenna and coaxial cable are a matched set that may not be interchanged with other non-Firestik NGP antennas and coax assemblies) is a problem solver. 2 so I just took it all apart I might just save a little money and buy a cheap v quad or something. html 43AX101's instructions for building a two element cubical Quad for eleven meters End-fed portable half-wave antenna on the CB Radio Club website want to build 11 Meter homebrew antenna. 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. Here is a simple 2meter Moxon Antenna you can build for indoor weak signal use. Purchase from this assortment of Cb Radio Antenna now. Plans are on the Not all antennas require a ground plane. Hustler Super Resonators are available for 80, 75, 40, 20, 15, 11, and 10 meters. 555 Mhz - 1005 / 27. 198 results for 10 meter antenna See more like this Mobile Whip Antenna - 10 Meter Band. Thanks for all the great info and keep it coming. Some of these designs were taken from pirate operations and applied to legal radio. antenna. This antenna is 58 ft tall and is mounted on a hinged base. For the CB, you would have to use one of the HF radio antennas, which tend to be stupidly expensive for what they are. Constructed of high durability machined aluminum and made completely by hand in the USA, this isn't your typical truck stop antenna. 11 Meter Loop Antenna. Part of the issue is the requisite inductance of the coil. where is the antenna located in the lg v20 lg v20 ifixit the lg v20 has two antennas placed near small polymer pieces that serve as bumpers e antenna is located near the top of the phone while the other antenna is along the bottom e antenna is located near the top of the phone while the other antenna is along the bottom reach antenna signal booster antenna for lg v20" find great deals on ebay Diamond ® Antennas are sold through authorized dealers. Many thanks! 6 Meter Aluminum Dipole Antenna Parts list: The 6 meter dipole uses the same parts as the 10 meter model, less the 6-foot length of . However, if you make the radiator 108" and the radials the same length, you will end up with an antenna that will perform well on 10/11/12 meters with a low SWR. Low swr as can be seen from the Analyser traces. $4. It is referenced to a real 1/2 wave dipole antenna, which is one of the most basic antenna designs. 405 antenna - Antennas: Vertical - The DXZone Amateur Radio Antennas for HF mobile operation The following description should give you guidance on how to build a mobile antenna for HF bands yourself, using a very cheap CB A Simple 2m Moxon Antenna. Doublet aerials for HF amateur ham radio and broadcast bands. The most important and hardest thing to build of this antenna is the Butterfly capacitor. Torque upon dk3 screwdriver antenna plans idea behind ERD Chicago minecraft bad video card driver fix windows 8 dec follow Episode atheros 802. 2 element quad for 11 mt. Howto – 2 Meter Slim Jim antenna from Ordinary Wires Slim Jim (J Integrated Match J-Pole ) is probably the most easiest and powerful 2 meter antenna to build provided you have the exact measurement and material to build it. A mobile antenna should be placed in the middle of the vehicle roof to make best use of the ground plane. Amounts shown in italicised text are for items listed in currency other than Pounds Sterling and are approximate conversions to Pounds Sterling based upon Bloomberg's conversion rates. The Gizmotchy ® antenna still retains the look of the original Gizmotchy ®, but has been improved with new designs, higher quality workmanship and state of the art materials. The antenna will cover 30 meters as well when I decide to run CW or digi modes from the mobile. 1m long antenna with say 10db gain, and a 2m long antenna with 11db gain, this is why. Antenas DIPOLO para 27 MHz. As the name suggests, the length of the antenna is about half of the wavelength of the frequency the antenna is cut for. -Connect a SWR meter to the antenna and to the radio, making sure you attached it to the right connector posts-Take a SWR reading, and if it is beyond 1. The antenna is: Easy to make; Cheap; No traps; Light in weight; An easy antenna project; Great for field day use and as ‘extra’ antenna at home for additional …Latest News: 11 meter Collinear part production (50' antenna shown) I am the only antenna designer and builder out there that I know of, that has ever made (or even attempted) to make a "collinear" antenna! Its a 50' (thats right 50 foot) 11 meter ground plane antenna, that is actuallyWith the MFJ-269 meter my motto is build, test, cut, test. The closer to 1:1 your SWR is, the more accurate it will be. An easy to build ham radio 2 meter yagi antenna made with coat hangers. I would suggest that you have another problem. W6CAW "Fixed" Mobile 160 Meter Whip. 238 . Notice that even at low power (5 Watts), there is a High RF Voltage ranging from 800 to 1600 Volt. Specifications: • Full band coverage on 20 or 17 or 15 or 12 or 10 meters with SWR under 1. This sketch shows a semi-exploded view of the antenna. The W5GI Multi-band Mystery Antenna is a fundamentally a collinear antenna comprising three half waves in-phase on 20 meters with a half-wave 20 meter line transformer. Step 11. You might consider staying mobile for radio operations if thats the case. It is designed to have extra long range communications, due to its very low angle of radiation. ) WHAT DO WE NEED ? A dipole is a halve wave antenna, the length of the dipole for 26,285mhz (my design frequency) would there for be : 5,70M. Star Gun Mobile Beam Antenna. SWR is fantastic. You’ll get out better and hear better, even if the other station is using a conventional antenna. For the 11 meter band (25. Full- size whips are around 2 3/4 metres. To calculate the length of wire needed for a Full Wave 11 Meter Loop Antenna, we divide 1005 by Frequency in Mhz, giving us the length in feet. Doing so adds dB gain, power multiplication, and front-to-back separation. Your antenna is ready to test! Connect it up to your radio, and point it at your target. I hope somebody can help me. Center load is best but with the weight of my design I chose base load. Wilson Antennas - 1000 Series Magnet Mount Mobile CB Antenna Kit with 62. As the antenna length and number of elements is increased, the signal being fed into the radiator descreases etc. 5swr across band of 10 meter. 8 MHz) a 1/4 wavelength would be 9 feet long. Much taller than the average Ham mobile antenna, this tree branch snapper tops out at 17 feet, 10 inches above the road. ) Regardless of the antenna type used, most CB signals change their polarization as soon as they bounce off an object. 2-bays and 8-bays don't retain a 300 ohm impedance, but the 2-bay is smaller and the 8-bay has higher gain. I have a Hustler amateur mobile antenna model RM-80 for 80 Meter 25-30 KHz. of lamp tubing below the antenna install a 11⁄ 4 inch common PVC pipe cap, and secure it with two more lamp tubing nuts. It’s was over 3 so I knew that I had some work to do. Eventually I'll cough up the $$ for a good HF rig. Neither is more important than the other. 10/15/20m Trap Vertical Antenna, Part 4 of 4. 5" VHF element rod 1/8" at a time until the readings is in between 1-1. It was very inconspicuous and about 3” above the top of the fence. I have a 10 meter wire dipole up now connected to a Radio Shack HTX100 so I can listen to 10 meter CW in preparation for my code and General exams in October. A wide variety of 11 meter antenna options are available to you, such as paid samples, free samples. Indoor VHF Antennas. 2 meter 'halo' half wave loop antenna for ISS SSTV & voice. you do that by adding a few radial wires extending from where the coax shield connects at the base of the antenna. It is inversely proportional to the frequency which means the wave with higher frequency will have shorter wavelength. I'll bet you could build something that would go into the mount for the 11 meter antenna pretty cheaply. Background Many users in smaller towns and rural locations rely on cellular service as their only source of broadband internet. PCS Electronics. If your antenna has a rubber cover over be sure to replace it to check S. com offers 70 11 meter antennas products. 4 Elements LFA Yagi 27 mhz: PREVIEW: 11 Meter CB Radio J-Pole Antenna. A dipole fed with 300 ohm feeder can be used on all short wave bands. A Hawaii-based Amateur Radio Antenna Blog focusing on the theory, design, and use of homemade antennas. I started by building a 40 Meter 1/4 wave vertical using aluminum tubing, then I made a second one to Phase with the first one. A Stealthy Homebrew Vertical Dipole Antenna Using Mobile CB Antennas Written By: Scott Wolfington The following article is based on a HamUniverse. Figure 3 shows my 4 element quad built with old Moonraker 4 parts on a 40 foot tower. W6CAW "Fixed" Mobile 160 Meter Whip. 95 Sirio Performer 5000 PL 10m & CB Mobile Antenna. Usually, less than a 1:5 to one or less is acceptable, but a 1:1 match reading is the very best. HF Vertical Antennas and Packages. It directly matches to 50 ohm coax and should show a VSWR of 1. The antenna is the reactive unit, the ground plane is the reflective unit. The 3DFL has a great front to back ratio. I ended up mounting the antenna along the top of the wooden fence in a horizontal configuration. One Quad, Two Feedlines The reactance readout on an antenna analyzer may be effected by a nearby broadcast transmitter. My 13 year old is interested is ham radio now and the dipole in the attic isn't working to well. Designers at JK Antennas have managed to keep the antenna lightweight and, at the same, time keep the build-quality high… like their bigger HF Yagi antennas. Step. For example on the 41 meter band (approx 7 MHz), a 1/4 wavelength wire would be 32 feet long. Build a 2 Meter Vertical Antenna - Mike's Tech Blog Mikestechblog. When erected, the free end of each RG-11/U cable will be connected to a halo antenna and the 50 ohm feed line connected to the center of the Tee connector. Click on the picture below for some Ideas on how to build yours. Here are some simple suggestions that may help your project. regards, Paul. It would be more convenient to have a real SWR meter or antenna analyzer if you do a lot of testing, but for a quick antenna check after a mobile install or whatever, the $5 CB meters work OK. Working SubscribeSubscribed  how to make half wave four element beam for 11 meters cb radio www. Typically has 6 db (approx), over any other 5/8 wave antenna. With the added gain, you may be able to pick up those WiFi signals that are just beyond your current range. 2 meter vertical bazooka rg-6 build the antenna with rg-6 w4bws. Driven element dimensions are L = 13. MFJ-1890 10 Meter Moxon Antenna (Tested on 10 meters & 11 meters/CB Band) Recently I got my hands on MFJ's new 10 meter Moxon antenna. ) Compiled by Mike Morris WA6ILQMuch taller than the average Ham mobile antenna, this tree branch snapper tops out at 17 feet, 10 inches above the road. Some bozo is selling a CB mobile beam antenna. 5 λ) above the roof and the upper halo is mounted 40 inches above it (1 λ). 2m/70cm Ground Plane Antenna. e. Hits: 90 Your EME system does not need to be complicated and you do not have to know the math involved in every aspect of the antenna system to make it work. I didn't like the setup, though; I was using a single band, 25 watt amateur band mobile rig and wanted to run the coax straight to the antenna without a lot of …How to Build Several Easy Antennas for Amateur Radio. How to build a 2 meter J-Pole T-cars virtual Elmer (swr adjustable clamps) 2 Meter J Pole Beam Jagi Tri-County Amateur Radio Club. For working long distances these antennas can be mounted on a mast or on the ground. The Following User Says Thank You to Beercanman For This Useful Post: antenna projects for 10 meters band is a curation of 94 resources about , 7 Element Yagi for 10m, 10 meter DiPole, A 10 metre EH Antenna, 10 meter Verticals Comparison, The 10 Meter Loop Antenna. With twice the gain of a standard J-Pole antenna, the 2 meter Slim Jim antenna is a J-Pole on steroids! Ground Plane Antenna You Can Build The Ground Plane vertical omni directional antenna is very easy to build with just some #12 solid copper electrical wire and a UG58 type N chassis jack. The SWR is usually acceptable on the 3rd harmonic, although that is partly due to the increased feeder losses on 440. 27. mobile antennas are designed to use the metal body of the vehicle as part of the system. com offers 69 11 meter antenna products. @DeltaKilo915 I have heard far more dipshits on the ham bands than i ever heard on 11 meter. Ham Nation - HF Mobile Antennas. First, I must say that setting up a base radio (11 meter) and accompanying antenna is a new hobby for me. Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from MFJ Enterprises, Inc. A vertical HF antenna offers many advantages—an omnidirectional signal collector and easy to install radiator are two of the biggest. Much taller than the average Ham mobile antenna, this tree branch snapper tops out at 17 feet, 10 inches above the road. Check the SWR at 28. A 5/8 wave dipole antenna consists of two equal lengths of wire, connected to a transmission line in the center. When used in a multi-vertical array, verticals can even provide low-band directivity. 308/f for metric) MHz to calculate the vertical element lengths. 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. Different types of omnidirectional and beams are covered and explains which design most common commercial CB antennas use. A dipole design for the 20-meter band is an efficient and inexpensive antenna for the novice and veteran ham enthusiast alike. Buy Magnetic Mobile Antenna Ham Radio 2 Meter / 70 cm 140 to 150 and 440 to 470 MHz: Radio Antennas - Amazon. You can use an old mobile metal antenna bracket but it uses a nylon insulator between the ground and whip. Plug the Pl-259 into your CB Radio Antenna Connector, (SO-239) and mount the 20ft PVC Pipe Vertical, at the bottom, and start talking. Hustler Antennas has produced quality antennas and antenna accessories in the U. Every SW antenna is an As this video shows, you don't have to spend a lot of money to build a simple, effective antenna for the 20 meter band. One of the easiest antennas to build is a traditional half-wave dipole. It’s also a great antenna for emergency communication and can be fabricated and launched in a matter of minutes. (see pic #4 as I rotate the antenna in a 360 degree cycle and measure the S reading from a distant repeater. It's a quick 5 to 10 minute read and will help get you on the way sooner to being on the air. Works great for that purpose. As the mast now will probably bend to the direction of the 80 meter wire 1 (or better 2) wires could be used to keep the mast straight. A ground plane antenna mounted on the ground is often called a "ground mounted vertical" antenna. 40 Meter trap, tuned to other bands with a antenna tuner. The concept of a ground plane is roughly to build a antenna half as long as a normal self-contained one, then add a mirror so that it looks like a complete antenna from the antenna side of …Jul 30, 2012 · mobile antennas are designed to use the metal body of the vehicle as part of the system. Finally, a mast mount version of the 11 meter "collinear" CB antenna is available. by Rich KR7W The intent of this article is to show how I built an effective 10 meter vertical antenna. by Cushcraft. STRANDED COPPER WIRE TO BUILD YOUR Antenna Types. 64 Wavelength Secret in CB and 10 meter antennas - K3DAV radioaficion. Mobile Antennas. Ham Radio Square Plus Two Antenna, Part 1 of 4. The Military antenna sales. Attach a feed line, and run to your tuner, or if you are gonna use resonant antennas, attach to your SWR meter, and check for high SWR readings. Authentic Kb9vbr J-pole Base Antenna 2 Meter Dual Band Amateur Ham Radio Scanner Quality Cb 11 Meter 2kw Dipole Antenna Kit Black 14 Awg Wire End Insulators Rope A Ten Meter Vertical Antenna for All License Classes. net/ehamforum/smf/index. Maybe they bend because American cars are made like shit with shitty metal and shitty build quality. For general shortwave listening this antenna tuner will work very well with a straight wire of up to 50 or even 75 feet in length. Altough I would like to have elements for 75 meters, these will likely be too long for the house dimensions unless loaded. There has been an increase in new licensees lately. Solder a ground wire to the output terminal of the IEC power supply. and build this All radials are all attached together to the other side of the balun and attached to the shield of the coax cable. To optimize the antenna for a frequency RANGE, do the calculations twice, once for the low end of the range and once for the high end; then average the two and plan to adjust the VSWR on both ends of the range as needed. 75’ extension boom. USING THE VELOCITY FACTOR OF COAX TO DECREASE SIZE OF ANTENNA. With a length of 11 meters for the mast one or more additional guy wire could be used. W. 5:1 or better at its center frequency. 2017年6月4日2010年9月20日Here we have collected some links to building instructions of 11m antennas on the WWW . The Length of the antenna is 148 Feet so it is fairly compact. With twice the gain of a standard J-Pole antenna, the 2 meter Slim Jim antenna is a J-Pole on steroids! Back to Home : Antenna Systems Information (antennas, feedlines, duplexers, circulators, isolators, calculators, etc. If you don’t have Google+… A good antenna, like a Firestik, properly grounded, and an SWR meter. About Mobile Dual-Band 2m/440 -- Roger K6XQ advises-Can I build a 2m/440mhz 5/8 mobile antenna? A 1/4 wave on 144 MHz is 3/4 wave on 440. Next step for me is a 10 meter antenna - I haven't decided what to build yet. Was in the air in another 10 minutes. Sent from your mom's mobile phone. To build this antenna, we first need to make a couple calculations for the length of our radiator and radials. End-fed portable half-wave antenna on the CB Radio Club website Actually i want to build some antenna for 11 meter (27. Got the 6-meter Dominator in. 00 you should be able to make an outstanding 11/10 meter antenna. In most cases, a mobile-mounted quad provides a better RDF pattern than a mobile-mounted yagi of the same size. mobile antennas is a curation of 67 resources about , Antenna Mounts, Placement of a Mobile Antenna, 160m Mobile Aerial by M0VEY, 160m DX Mobile Aerial, The Fan-tenna. In order to tune an antenna, a radio needs to be hooked up to an SWR (standing wave ratio) meter using coaxial cables. 432 MHz. com article by John Reisenauer (KL7JR) titled "Simple and Inexpensive Dipole and V Antenna Mount". With these standards in mind it should be easy to see that an antenna with a rated gain of 4dbd is "stronger" than another antenna with a rated gain of 6dbi. In the tutorial, you'll find out how to make this temporary mount that can be used when going out into the wild or just hanging around your home. I helped a friend build a plastic palm tree antenna for his This entry was posted in Antennas, Guest Posts, Ham Radio, How To, News, Shortwave Radio and tagged 20 meter magnetic loop antenna, Antennas, Ham Radio, Harry Lythall (SM0VPO), Homebrew Mag Loop Antenna, how to build a magnetic loop antenna, Mag Loop Antennas, Magnetic Loop Antennas on May 30, 2018 by Thomas. Special considerations are given for optimizing DX in R/C vehicles like building a vertical Dipole antenna for model aircraft and a Ground Plane for receiving in the app note. 1 uH to 350 uH would be needed for the 160 - 12 Meter bands, the lower the frequency, the larger the coil. The antenna you build increases the gain of the signal. Feb 23, 1999 · I was just wondering what would be the best antenna to use for a 10/11 meter mobile radio?I will be mounting it in the center of my truckbox whichA Stealthy Homebrew Vertical Dipole Antenna Using Mobile CB Antennas Written By: Scott Wolfington The following article is based on a HamUniverse. Build a Wireless Cantenna:How To. TOP BAND TWO Pairs of Traps to Build TRIBAND HF antenna 40/80/160 meter Low SWR - EUR 42,14. From many popular antenna design web sites, we can see most people using the standard formula, 585/f (178. com/user/not2fast4u2c Source of design:  The . A 10 meter ground plane antenna that can be mounted on a mast or used as a ground mounted vertical antenna. The goal here is to put up a cheap, easy, and quick 2-meter antenna that is simple and unobtrusive, but works quite well. Simple P (power) = I (current) times E (voltage) only works when the system is non-reactive. com/youtube?q=how+to+build+a+11+meter+mobile+antenna&v=Hkb6hKEVel8 Sep 23, 2012 Check out not2fast4u2c he has a lot of radio stuff: http://www. It's very crudely made but works great!! Use a dipole, they're inexpensive, easy to hide, and will easily out perform any mobile antenna. Antenna MAKERS CONTRUPTIONS for: Breakfast, = LUNCH= and DINNER! Also please note that, we for NOW, do not list the Hi-Q-2. First, I must say that setting up a base radio (11 meter) and accompanying antenna is a new hobby for me. Each of the wires is equal to 5/8 the length of the frequency's wavelength, which for 11 meter wave length is 22 feet long. 4 MHz, right in the middle of the subband. ) Compiled by Mike Morris WA6ILQ Much taller than the average Ham mobile antenna, this tree branch snapper tops out at 17 feet, 10 inches above the road. Because there are so many options regarding mounting styles and antenna sizes, it is extremely rare to see an antenna included with a mobile radio. That led me to design and build a multiple-polarization RDF quad for T-hunting. If your building has reinforcing in a concrete slab, this MAY work reasonably if the antenna …Status: ResolvedAnswers: 3want to build 11 Meter homebrew antenna - eHam. A quarter wave antenna can be mounted on a fiberglass or plastic body vehicle with the coax connected to one end of the antenna, center lead to antenna, braid grounded, voltage fed. Antenna Delta Loop a 2 elementi 11mt. com/ The ultimate guide to 11 meter CB antennas. To make a fair receive antenna, cut the length in half to 5 meters, and that is how long a wire antenna has to be to receive the 10 Key Words;11 meter CB radio and Classic CB radio, vintage CB radio, SSB CB, CB links, CB DX, Old CB Radio Night Log In, To start with, I believe that antennas that you build will give you as much performance, entertainment and satisfaction as the large expensive antennas. By using the very flexible and coated solid Spring time brings antenna fun again. 1:1 SWR at the antenna connector of each Vertical. how to build a 11 meter mobile antenna When you are done, it should look like the photo on the left. So we need : 2 pieces of 2,85 m copper wire. Indoor Antenna Operating Tips. How To Build A 10 Meter Dipole - Duration: 11:58. In a matter of a few hours, you caneasily build a broadband, 2-meter Yagi—complete with mounting hardware—for $20. These antennas are a 50-ohm direct feed using a UHF female (SO-239) connector at the antenna. 85 MHz (25 meter) quieter as a closed loop since that dissipates any static build-up. This makes a difference for two different reasons. When mounting on a vehicle, a quarter wave antenna MUST be mounted on a metal base. If the SWR meter significantly deflects, you probably have BCI. If you use the antenna portable, you’re ready to go. Special considerations are given for optimizing DX in R/C vehicles like building a vertical Dipole antenna for model aircraft and a Ground Plane for receiving in the app …Mar 20, 2009 · Best Answer: Mobile whip "5/8 wave" antennas are somewhere around 1. 40-Meter Hamstick - Mobile Installation and Matching - HAM Radio. 5 inch tubing. A wide variety of 11 meter antennas options are available to you, such as paid samples, free samples. A Tree Friendly 2 Meter Halo Antenna. 4-28. Product For about $20. 2 element quad 10/11 meter 2 meter train track antenna “j stick” 2 meter mobile. Building the 6 Meter Moxon Antenna. 7 MHz 10-11 Meter Vertical Base Antenna, RINGO. If you need help choosing the right antenna please visit our antenna tutorial. Post 1718. Actually i want to build some antenna for 11 meter . Reason: Commercial gate readers are way too costlier to implement so am looking to build my own. The normal quarter wave ground plane antenna consists of a vertical radiator which is insulated and centered between 4 horizontal surrounding radials which extend out from the base of the antenna. I’ll get 1. I haven't been able to erect a decent 80 meter dipole antenna. They're covering the same VHF radio spectrum. This should be low cost, and This is approximately 11 meter (that's why everybody speaks about the 11 meter band. Note that the antenna should be tested before gluing the end caps in place. The antenna ground will be connected to the shell of my galvanized steel in-ground swimming pool located right below the antenna, The antenna will be fed with Belden 8214. The antenna went together in less than 10 minutes. JK65 antennas are built with high-quality, heavy-duty materials and hardware. 4 Elementi SIGMA 27 MHz. An Indoor VHF Delta Loop. Fine tune the antenna by working the 1/2" pipe antenna up or down about a half inch at a time until you find the position that gives the highest meter reading with your hands and body at least a 2 feet away from the antenna. Known as the Magic Band, the six meter band can be mysterious, unpredictable, and downright fun. How To: Set up an HF portable radio while hiking How To: Create cheap WiFi antennas for better reception creation starts to look like a real antenna! Now, wind the coils. The longer the CB whip, the better the performance. 5, cut the 19. 64 wave on the 11 meters CB band. Ham Radio Two Pairs of Traps to Build a TRIBAND HF antenna Resonant on 40/80/160 meter. The tuning tip has a 3/8 24 adapter with a normal tuning tip and set screw. This multiband vertical designs provide 9 band coverage encompassing the 6, 10, 12, 15, 17, 20, 30, 40 and 80 meter bands. 01dB different than the peak gain of a 1/4 wave antenna! The 2 degree gain of the 5/8th wave is mostly because of increased height over lossy earth. My idea to build antenna simple because my home base very-very limited area. BUILD A 2 METER YAGI AND 6 METER. 11 a/b/g/n. The MFJ-1890 is a lightweight aluminum antenna designed to operate in the 10 meter band and we had hoped that with a little messing around we could get it to tune to the 11 meter cb band. The more you load an In other words the 10 meter band means a full wavelength for this range of frequencies is 10 meters in length. February 11, 2018 - 2:46 pm Steve. 4 MHz) 5/8 Wave 3000W Tunable 10M & CB Base Antenna 4. A typical mobile CB antenna does not transmit horizontally, it radiates in a downward pattern. Build a DIY 2 Meter Vertical Antenna Next, I took the 3/4″ THD Dome Cap and drilled a 5/8″ hole through it. Cushcraft achieved a major breakthrough in the development of an HF multiband vertical antenna that has been specifically designed for use with a tuner and amplifier. The reading you see on the meter will be very close to your real SWR. The gain of a 5/8th wave over a 1/4 wl antenna at 2 degrees is now 2. Brand new. This antenna design offers high-gain in reception and a highly directional radiation pattern. This type of antenna, a dipole, was first used by Senator Marconi, and also by Sir Oliver Lodge, millions of amateur radio operators use half-wave dipoles from 1. 238 mhz) but i do not know what the first think to do. Whoever gave thought to the assembly of this antenna is a genius! Great contacts on FM and SSB. It may sound and look like a G5RV but it is a substantially different antenna on 20 meters. This antenna may be built as a 20 meter, 17 meter, 15 meter, 12 meter or 10 meter monoband vertical antenna. 555 = 36. The plans are readily available online from a number of sources. Looks like with all this info, I might get both mobile and base as well. 2 METER VERTICAL BAZOOKA RG-6 Build the antenna with RG-6 W4BWS WB3AYW MULTIELEMENT COLLINEAR (High Gain Vertical Antenna with Calculator) 6 Meter Antennas Mixed types New! HYBRID 6 METER YAGI 4 Elements With Quad Reflector KG4FET (Junk pile scrap turns to gold!) New! BUILD A 6 METER "MAGIC BAND" YAGI An OM and XYL Explore the "Magic band" Today, I’m going to show you how you can easily build a homebrew 2 Meter ¼ Wave vertical antenna for under $10. A dipole has a "gain" of about 2. com/blog/2018/05/how-to-build-sm0vpos-20-meterThis entry was posted in Antennas, Guest Posts, Ham Radio, How To, News, Shortwave Radio and tagged 20 meter magnetic loop antenna, Antennas, Ham Radio, Harry Lythall (SM0VPO), Homebrew Mag Loop Antenna, how to build a magnetic loop antenna, Mag Loop Antennas, Magnetic Loop Antennas on May 30, 2018 by Thomas. Antenna Tuning Unit For your 2M radio, most of the SINCGARS radio antennas will work. _____ 11 Meter long wire27 mhz antenna, NL3ASD: 11 meter Moxon Antenna suitable for 27MHz CB: 11 meter j pole end fed antenna: 27 MHZ 1/2 Wave Dipole: An EH Antenna without Coaxial Feeder Cable: Antena plano de tierra: Antenna Moxon Antenna Plan for 27MHz CB: Antenna EH autocostruita per i 27 Mhz: Antenna Loop Magnetica per 27 MHz autocostruita J Pole Antenna for 2 Meters: This is a quick video of a simple J Pole antenna build for 2 meters. BUILD AN HF ANTENNA TUNER MAKE A HOMEBREW HF-VHF ANTENNA TUNER (It really isn't all that difficult. pdf Easy to build Delta loop This page contains several antenna designs for 11 meter including GP, 3 & 4 Find great deals on eBay for 11 Meter Antenna in CB Radio Antennas. I mounted in tree 35feet and got 1. php?topic=46168. i. How To Install A NMO Ham Radio Mobile Antenna Moun Ham Radio 40 meter homebrew ground mounted antenna DIY Ultralight UHF Antenna. A really good one perhaps 1%. Dedicated for 27 Mhz (11 meter / cb) antenna systems 12) The mobile beam antenna (laugh). cbantennaguide. 5/8 wave stacked J-pole. In this picture, the 40 Meter loading coil is in place. http://www. 6MHz up to UHF frequencies, cut to appropriate lengths. The antenna offers a gain of about 10 dB, is lightweight, mechanically strong and rivals the performance of similar commercial antennas. I do not condone pirate radio, but why not apply their hideing techniques with proven ham antenna designs and theory. The tuning capacitor is one of the most critical devices in this build project. A portable 2-element VHF yagi May, 1997 Here's a simple Saturday project: build a portable VHF yagi antenna for 2 meters. S. 5" Whip Using my MFJ-259 antenna analyzer I found the resonant point for each band and I place a coil tap clip for 15m, 17m, 20m, and due to the high Q of the antenna I have 3 tuning points to cover the 40 meter phone band. to use such an antenna otherwise requires that you replicate the vehicle body under the antenna. Home • Products • Technical Info • Sample Photos Warranty • Dealers • Contact ©2010 RF Parts Company. If I where to build this inside a pvc tube and mount this as the Hamuniverse  102 inch DIY CB Ground Plane Antenna - YouTube www. You'll find Actually i want to build some antenna for 11 meter (27. The antenna is attached by inserting the N-connector into the tube and then connecting the coax cable. It is our intention is to SELL the World Wide Marketing Rights for these two excellent Hi-Q antennas, because we are overwhelmed with . This formula is based on a theoritical 5/8 wave antenna build by a wire. My options are open! Znut Hustler Antenna. Photo 3 Standard mobile antenna mount adapted to the ground plane assembly - Top view Below is an explanation of how the standard mobile antenna mount was modified to for the feed attachment for the ground plane antenna. com article by John Reisenauer (KL7JR) titled "Simple and Inexpensive Dipole and V Antenna Mount". No other omni directional CB antenna can come close to the gain of this antenna. He either lacks a solid understanding of accepted antenna theory, or he is out to make a quick buck off the gullible. Antenna Characteristics Calculator Solder a piece of power wire to the output terminal of the frequency meter, IEC power supply and jacks. Simplified 2 Meter J-Pole (pdf) Michael Martens KB9VBR. In mobile installations with standard antenna systems, the vehicle metal (body, frame, etc. I chose 58' for Mid 80 Meter Operation. This ham radio coil-loaded 40 and 80 meter inverted V dipole HF wire antenna is easy to build! Loading coils make this antenna a full size on 40 meters and a… Video Rating: 4 / 5. A good build is needed, else antenna's efficiency will be very low. Antena Direccional de 4 elementos para la banda de 11 metros. The large diameter yields broadbanded coverage of the 80 Meter Band. com/cms/the-64-wavelength-secretTo make a fair receive antenna, cut the length in half to 5 meters, and that is how . Mount the frequency meter, IEC power supply and jacks in the pre-drilled holes. In the past, I've used an inv G5RV Multi Band HF Dipole Antenna. And when your neighbors still talk to you, your antenna is to small. Building the J-Pole antenna (PVC covered) KA1FSB. Reduce the size of your antennas by using these simple and effective ideas! An article and project by Steve, K4MMG based on ideas by John, N0KHQ Dialup users Please allow time for pictures to load! 2 and 6 Meter Coax Antennas dawn of CB history. Sweep the antenna from right to left, and you should be able to hear a drop in signal from a remote RF source. 0" and H = 3/8" Elements are 1/8" diameter. To do that we’ll use the formula of 234 divided by the frequency to get the length of the radiator. Here is a picture of the final antenna assembly ready to be attached to the dish. Strip a 25-foot roll of #14/2 (with ground) house wire. 7 out of 5 stars 11. I've also seen one just buckle over from wind resistance alone with a hamstick. All you need is two rabbit ear antennas from Radio Shack, two CATV baluns, four feet of 3/4" CPVC pipe with one tee, and a bit of time. Find great deals on eBay for 11 Meter Antenna in CB Radio Antennas. I have enough room to mount the antennas in the attic and in previous mobile installations I've used slotted angle bar with a 3/8 x 24 antenna stub to mount 1/4 wave whips. This antenna is perfect for HAMS that need a quick reliable solution for local 2 meter communication. Author Info. Here is how to check. A dipole design for the 20-meter band is an efficient and inexpensive antenna for the novice and veteran ham enthusiast alike. The antenna is a colinear phased half-wave length over a quarter-wave length that does not use radials. Опубликовано: 21 дек 2010 ; How to build a ham radio 2 meter 4 element yagi beam antenna with a gamma match using parts from an old T. Rotate the antenna, and you’ll be able to peak the signal’s polarity. Re: 2 element 11 meter beam Post by smoke blower » 3 years ago Just to let you guys know the antenna didn't work out I did everything to get the swrs down but never could get below 4. Some distance is needed between the wires to make the antenna easy to adjust. The 40 meter elements would run East-West along the main ridge of the roof, and probably 10 and 17 meter elements would run North-South onto the garage ridge and the rear slope. 4 MHz. Cut the spacers for a diameter slightly less than the inside diameter of the I retired this antenna to a friend who now has it on a huge tower after cleaning it and resealing the antenna he is blown away from all the reports he has gotten all over in skip I purchased the imax and got it up and found the matching in this antenna is only good for 10 an 11 meter 12 not so good plus the wind blew it down from roof and every The Vertical Antenna, especially the ground mounted ¼ wavelength vertical antenna, has a few upsides and a few downsides. This radio amateur and his father worked together to design, build, install, and use a basic antenna made from locally available resources for access to the popular 20 meter ham band. October 1997’s Novice Notes looked at compact antennas that amateurs use to operate from confined locations. This winter looks to be a good one for 10 meters, so put up a simple antenna and work some great stuff! Remember, Technicians can use 10 meters, too! Best Answer: Mobile whip "5/8 wave" antennas are somewhere around 1. First ham radio contact on 2 meters VHF with $30 Baofeng portable UV-5R. See the picture of the first version for 10, 15 and 20 meters. 10. Having purchased an all-mode, all-band (160m - 70cm) transceiver, I became curious about what 2-meter weak signal operations have to offer. The matching coil on my 20- through 6-meter antenna consists of 11 turns spaced 1 /8-inch apart (a length of about 17 8 inches). hi hi I'm limited to a HTX-100 at the moment for hf. Amateur radio, communication antennas, yagi antenna for homebrewers, software programming and developement, electronics do it yourself and online shopping. If your antenna is mobile make sure all doors are closed and vehicle is away from trees , buildings , power lines or other metallic objects { i. Although it was designed as a mobile I want to use it as a portable, You may think you do, but you really don't. 75’ extension boom. THE LENGTH OF THE WIRE LOOP IS 36 FEET, 6 INCHES. I got my base ready then connected the coax and SWR meter and had my first key for SWR. Just a quick video on the 11 meter CB dipole that I made. So bottom line, if you don't want to build your 10 meter antenna or convert that old CB antenna you may have laying around, then these antennas are highly recommended and highly rated for the 10 meter operator who wants to get more signal out to the horizon for those DX contacts. Antennas, 15 Meter QRP Mobile Antenna: How To Build a Quick & Easy (Jacobs KN9V), CQ 1984, Apr pg 58 Antennas, 160 Meter “Upside-Down” Antenna (Taber W4ITD), CQ 1997, Mar pg 24 A 40 meter four-square vertical array is a good alternative when a horizontal antenna isn’t possible if a horizontal antenna can’t be installed at least 20 mtrs high a very good transmitting antenna for a second radio an excellent receiving antenna A 20, 15 or 10 meter four-square vertical is a useful Using TV cable for a CB antenna isn't really an ideal thing to do, but it will actually work just fine in most cases, sodon't hesitate to use it if necessary. I do not believe I will need radials as the swimming pool will be the ground plane. 42 meters or 11 feet 2 inches long from the top of the mounting spring to the tip. 10-Meter MoxBeam, KG4JJH 1 of 12 10-Meter MoxBeam Build this Moxon antenna using some unique materials & be ready for Solar Cycle 24 was excited to read on the Amateur Radio News1 that “the recent appearance on the sun of two so-called "backward sunspots" may mean solar Cycle 23 is drawing to a A ground plane antenna is a very simple antenna. Great for travel! Tags: 11 Meter, 11 Meter Audio, Albrecht AE-6110, AM, Anytone Smart CB, Bastard Modulation Engineering, CB, CRT ONE, Hi-Fi 2 I was recently asked on a Radio Forum about the under modulation at the high power setting of 8 Watts in AM mode on my Anytone Smart Model # Band Stacked Element Phasing/ Wavelength Gain/dB Watts Connector Type Weight Lbs. 11m Antenna Building Instructions on the Internet e. Not surprised. Nov 16, 2012 · A 10 meter ground plane antenna that can be mounted on a mast or used as a ground mounted vertical antenna. I settled on the Moxon antenna design as it satisfied all three requirements. Additional Product Info The DPV-94 is a VHF dipole operating over the frequency range of 30-108 MHz with a 3:1 VSWR and handles 125 watts of RF average power. This entry was posted in Accessories, AM, Antennas, Articles, Guest Posts, How To, Mediumwave, News and tagged AM, How To Build a Mediumwave Antenna, James Townley, Loop Antennas, Mag Loop Antennas, Magnetic Loop Antennas, Mediumwave, Milk Crate Loop Antenna on June 8, 2017 by Thomas. There's quite a difference between 11 meters and 2 meters. back the Super Penetrator 500 as a . Antenna Tuning Unit 2 element quad for 11 mt. Alibaba. If your install is mobile 18’ is recommend length or coax . 1/2 wave High Gain Silver Rod 11 & 10 meter Antenna. for 1 1 -meter CB, so we'll have to shorten it a bit for use on the 10-meter amateur band. Loading Unsubscribe from shartne? Cancel Unsubscribe. Originally, plans specified a single set of ¾ inch saddle clamps and the much smaller element-to-boom plate DXE-BEB-3 - Polymer Plastic Boom to Element Bracket. 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/440 : SX-20 Vertical 2M/440 : Coax-Seal: Coax-Seal : Please also see: Amateur Wire Antennas: Amateur Mobile Antennas: HT/Portable This easy to build mobile linear amplifier utilizes a single RF transistor. (Such as skip signals, signals from moving mobile whips, or signals bounced off hills or buildings. MFJ-1890 10 Meter Moxon Antenna (Tested on 10 meters & 11 meters/CB Band) MFJ MOXON Quick Look From CBRADIOMAGAZINE. ) acts as the ground plane. With CP, it doesn’t matter. eham. how to build a 11 meter mobile antennaHere we have collected some links to building instructions of 11m antennas on the WWW . Please note: Fixed shipping cost for US mainland deliveries only. The following photos and writeup are the results. J Beam Project 2 Meters and up N3SDO. Special considerations are given for optimizing DX in R/C vehicles like building a vertical Dipole antenna for model aircraft and a Ground Plane for receiving in the app …7/9/10 11:24 AM. On this web site you will find mostly 11 meter antennas. I was just wondering what would be the best antenna to use for a 10/11 meter mobile radio?I will be mounting it in the center of my truckbox which The cheapest way I have found to build this antenna is to find an old Moonraker 4. Build your own 110 foot multi band dipole home brew ham radio HF antenna. This is the compact dipole used for HF communications on the set of the ABC Television show “Last Man Standing” with Tim Allen. Gizmotchy® Antennas and Maco® Antennas are Divisions of Charles Electronics, LLC. Length Foot Wind MPH; D130J: 2m / 70cm / 23cm: 25–1300 MHz. Co-Phasing can be used if you have Two vertical antennas and some room. I have a 5/8th over 5/8th vertical collinear antenna hanging in a tree at some 30 odd feet high, but I never heard anything on it, except on FM. What a wast of time and money it is to spend all the money you hams do on antennas,ham rigs,antenna tuners,low loss coax and way past the legal limit amplifiers just to sit around waiting for that once in a life time DX to open up. Gain is about 2 dBd 15 degrees above the horizon. G0KSC - Free Antenna Designs for Ham Radio. Each antenna is installed and tuned to give a 1. Learning how to tune an antenna entails lengthening or shortening the antenna so that, for the radio's specific frequency, it is working as efficiently as possible. Indoor Antenna Construction Tips. $124. Now, I took an OLD Turner Signal Kicker 11 meter mag mount and cut it down for 10 meters. 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. Ham Radio 10 Meter Ground Plane Antenna Dave Tadlock. quality cb 11 meter 2kw dipole antenna kit black 14 awg wire end insulators rope A $20 HF Mobile Antenna A few hours of fun with PVC and wire and 6-meter antenna consists of 11 turns spaced 1 /8-inch apart (a length of about 17 8 inches). If you have the materials handy, you can build and install this antenna in a couple hours. I bought 4 mobile stick antennas for $20 and used two of them plus a structural T tie bracket (reformed with a Buy Magnetic Mobile Antenna Ham Radio 2 Meter / 70 cm 140 to 150 and 440 to 470 MHz: Radio Antennas - Amazon. The competition series is designed specifically for the CB enthusiast providing unmatched performance combined with a lifetime manufacturer warranty. 64 wavelength to be more precise) antennas in one that are actually vertically stacked and phased together to "double" the gain of my 5/8 wave antennas. HF verticals are versatile, and can deliver both multiband and monoband performance. Works from 2 MHZ to 30 MHZ. R. Part 2 of 2 - How to Build a low cost portable hamstick antenna Related. Antenna Types. This condition only occurs at resonance, and only below the loading coil at the antenna feedpoint! In a reactive system, like in a mobile whip above a loading coil, voltage and current are no longer in phase. The antenna at UHFHDTVAntenna is a 4-bay: 4 pairs of dipole wiskers connected in a special "series/parallel" arrangement that gives you a 300 ohm antenna. In most cases, it is difficult to install a full-size 8-1/2 foot antenna, so a compromise is generally necessary. How to Make a Dipole Antenna. A metal surface (the larger and flatter, the better) is required underneath the CB antenna to launch the signal out into the atmosphere. I’m building this antenna for the center of the 2 meter band, so I’m going to divide 234 by 146 Mhz. Read honest and unbiased product reviews from our users. Cb Radio Antenna Our team has dug up a quality collection of listings for sale today on the the internet. An antenna like a J-pole tends to work efficiently when there is no ground plane but its considerably larger in size. The drop off on the horizon is only a dB or so and insignificant. All information, images, and documents on this website are the sole property of MFJ Enterprises, Inc. A friend of mine was asking me about an antenna that he could mount in his attic, but was afraid of the large boom lenght and hight that comes with the 11 meter beams. Mobile two way radios install in a vehicle and always require the addition of an external antenna. The concept of a ground plane is roughly to build a antenna half as long as a normal self-contained one, Here is where base-loaded CB antennas usually work well. Learn how to build, hide and operate indoor and outdoor Ham antennas without causing RFI problems. This gives you a way to easily mount the antenna on top of any convenient length of 1 1⁄ 4 inch Figure 1 — Dimensioned drawing of coaxial dipole for three bands. 3%. The completed linear is little more than the size of a pack of cigarettes. Sent from my iPhone using WAYALIFE mobile app Jeep parts and accessories purchased through the following link will help support this forum and at no cost to you. Custom Built 80-Foot Tall Free Standing Ham Radio Tip-Tower in Action! This is COOL! 2 meter Loop Antenna. However , on the 11m band , the J-Pole still has a managable length = 27 feet. Enter the desired frequency

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