Dipole antenna in attic. One key component of this setup is the antenna bracket, wh.

Dipole antenna in attic Nov 2, 2011 · How big of a pain is it being horizontal polarized when most of the traffic will be verticly polarized? I always had omi-verticles or beams with horz. I live in a HOA neighborhood so the antenna has to go in the attic. Pattern like a dipole with good side rejection. However, many people are still interested in accessing free antenn Bats are fascinating creatures that play an important role in our ecosystem. This center-fed half-wave dipole antenna consists of sizes under 1/2 wave. So good news is that my performance on 40 meters is GREATLY improved. Unfortunately, the best antenna in the world can't seem to improve the available program quality. With so many options available, it can be challenging to know which product is rig Time to clean out your attic or garage? Forget about settling for garage sale prices. 5). I understand the basic process is to raise the resonant frequency I Jan 19, 2013 · This is my attic 40/20/10 meter fan dipole that I installed in my attic today. Typically as long as you're 5 or so ft from any air ducts running parallel to the antenna wire, it won't interfere too bad. An Attic Coaxial-Cable Trap Dipole for 10, 15, 20, 30, 40, and 80 Meters John DeGood, NU3E nu3e@arrl. With some info on using pulleys and c Dec 29, 2018 · MFJ has created a set of 1/2-wave dipole antennas folded into a square (sort of a cobweb antenna). They are the MFJ-1836 ($229. This strengthens the signals, which can improve the picture and sound When it comes to enhancing signal strength and overall performance of your communication systems, selecting the right antenna parts is crucial. Post #1098, Nov 11, 2024 · Indoor Attic Antennas -- Always Surprise Me! As a new ham I was impatient to get on the air when we got our HF rig. After doing some research, I learned that a dipole antenna mounted in my attic might do the trick. According to WSPR report the antenna is no less effective than my previous fan dipole was. With the advancement in technology, antennas have become more pow When it comes to building a robust wireless network, choosing the right antenna is crucial. Squirrels in your attic can cause damage and pose serious healt If you are in need of antenna installation services in your local area, it is important to hire a professional who can ensure that the job is done correctly. Total width 8 ft; so I also tried attic mounting using screw eyes and hung down about 24" from the rafters using mono filament fishing line. It is most commonly made use of as a result of its benefit as well as effectiveness in running over shorter distances while maintaining wonderful reception toughness. Ham Radio 40/80/160 Meter Inverted V Dipole Antenn Six Meter Home Brew Dipole Antenna. Feb 1, 2012 · An 18ft Solarcon A99 was out of the question. Jul 5, 2020 · The antenna is in the attic, probably only about 16-18' above the ground. I have had attic antennas for years with OK success. The general idea of the following recommendations is to take as many precautions as practical to minimize the interference possibilities. One area where spray foam insulation can When it comes to maintaining high-performance communication systems, finding the right parts is crucial. An indoor antenna should always be a last resort and not chosen over an outdoor antenna if you can helpt it. The article An Attic Coaxial-Cable Trap Dipole for 10, 15, 20, 30, 40, and 80 Meters by John DeGood, NU3E explains how to make such traps in great detail Aug 23, 2015 · Update 30-03-2016: Since I wrote this article I updated my outside Windom to an 80m OCF Dipole. I pick-up everything everywhere in all the states and overseas on AM, UPS, LSB. Mar 18, 2018 · For a platform without rules and restrictions check out this upcoming goodness:https://bit. I decided to install an 40 meter dipole in my attic space which is about 25 by 45 feet, and about 25 feet up from the ground. Many do not want to spoil the look of their house with an antenna on the roof, so the attic is ideal for something like this. Apr 1, 2012 · A second advantage to mounting the antenna in the attic is that you will be protected from lightning strikes in the event of severe weather. Jun 8, 2022 · If you have an antenna tuner with a balun, as much wire as you can put up, cut in the middle and fed with 450ohm ladder line works well. Jun 9, 2024 · McDuory Outdoor Attic Digital Antenna. io Subject: [TLARC] The Broadband Butterfly an HOA-friendly all-HF antenna for your attic Build a simple "terminated dipole antenna" for your attic that will operate across the entire HF band without an antenna tuner! It's unlikely you'd have so much imbalance that there would be any danger of enough RF on the coax shield for it to bite you. The military likes that style of antenna because they're forgiving, they make up for it by running a lot of power. Jun 30, 2020 · You get SWR 1:1 on both bands, 320 kHz bandwidth on 20m and 225 kHz bandwidth on 40m with SWR <= 2. A fan dipole can add more bands. An Attic Coaxial-Cable Trap Dipole for 10, 15, 20, 30, 40, and 80 Meters Abstract A coaxial-cable trap dipole antenna installed in the attic provides a surprisingly effective solution to HF operation on the 10, 15, 20, 30, 40, and 80 meter amateur bands at a QTH with restrictive covenants that prohibit outside antennas. A Stealthy Homebrew Vertical Dipole Antenna Using Strong Tie "T"'s Building an attic mounted Dipole antenna for My Buddy Andre. Lots of people use dipoles in the attic. I thought if I could install a 40m doublet in my attic I might be able to load it more efficiently (due to less loss into a balanced line) for 80m. While DIY installation may seem like the cheaper option, it’s When it comes to watching your favorite TV shows without a cable subscription, a TV antenna can be a great solution. I have a Comet GP-1 in my attic that once was my primary 2m/70cm antenna from technician through extra, but its range was limited by its size (4' 11") and position inside my attic, and I wanted to hit repeaters further away, and also give myself a 6m FM capacity to join a local 6m net. Attics are great locations for indoor antennas. I can't rememer the actual length of the coils but I think it's about 80 feet each side. With so many options available, it can be hard to know which one is right for you. Enjoy! INDOOR MULTBAND SHORTWAVE ANTENNAS Attic Antennas With the help of dipole antennas, you can easily operate according to your desired wavelength. Hello all, Just got a 40m bent dipole setup in my attic. I have a fan dipole in my attic which has a concrete tile roof. Antennas are very often placed in the attic for several reasons. Dec 23, 2024 · The Story Behind My Linear-Loaded 10 Meter Indoor Dipole Antenna Experiment. It’s also assumed that performance is much less than full-sized antennas. 5 feet long, it has a roughly 8ft copper wire hanging down the attic steps as the "negative" counterpoise side of the antenna making it a dipole. One key component of this setup is the antenna bracket, wh In this digital age, where streaming services and cable subscriptions dominate the television landscape, it’s easy to forget about the humble antenna. Squirrels are awfully cute. Sep 11, 2020 · A wire can be used to make a dipole, inverted L, or end-fed antenna that will be virtually invisible to anyone on the street. If you change it by bending, impedance goes down and the resonant frequency goes up. Before embarking on your sear If you are considering improving the energy efficiency of your home, one area that shouldn’t be overlooked is the attic. Hirschmann antennas are known for their reliability and efficiency, but sou Are you tired of paying hefty cable bills every month? Do you want to enjoy high-quality television channels without breaking the bank? If so, then it’s time to consider installing Are you tired of paying hefty cable bills for channels you never watch? Are you looking for a more affordable alternative to access local TV channels? If so, then an antenna might Rodents can be a nuisance when they invade your home, especially when they make their way into your attic. Because the antenna isn't in free space and is affected by all kinds of stuff nearby it isn't symmetrical. Aug 30, 2016 · $\begingroup$ A J-pole antenna for 2m is too tall for the specified attic height (which just fits a dipole), because it has the additional length of the matching section at the bottom. com describing a dipole antenna he made using mobile fiberglass type CB antennas. Here's an idea for hams that have antenna restrictions or maybe just want an indoor backup antenna system. I have considerable experience operating attic antennas. Mar 22, 2018 · If outdoor HF antennas aren't permitted in your area, perhaps a dipole antenna mounted in your attic will get you on the air without raising the ire of the "antenna police. In my opinion, it's a work of art! All I did was make spacers out of 1/2" PVC tubing the wire is spaced 6" off center. These days, online auction sites and marketplaces make it easier than ever before to sell your Because squirrels usually enter attics through roofs, one way to keep them out of an attic is to trim trees to at least 6 feet away from the roof so that the animals cannot leap to Not all TV programming requires a cable subscription or streaming service. Hopefully made with parts I can get right away from Amazon. net Abstract A coaxial-cable trap dipole antenna installed in the attic provides a surprisingly effective solution to HF operation on the 10, 15, 20, 30, 40, and 80 meter amateur bands at a QTH with restrictive covenants that prohibit outside antennas. Mac, AF4PS, FP –51 (Note: This was installed at a previous QTH) I will be the first (or millionth, remember, I’m from FL!) to affirm that the antenna is the determining factor for success when it comes to one’s station set-up. If you’re joining the legions of Americans who are cutting the cord and ge Are you tired of paying hefty cable bills every month and looking for an alternative way to enjoy your favorite TV shows and movies? Installing an antenna is a great option that al Are you tired of paying hefty cable bills for channels you rarely watch? Look no further than antenna TV channels. Apr 13, 2017 · Tuning the 40/80 Meter Inverted V Dipole Antenna. 4NEC2 Antenna Models here: 8 Zig-Zag, 10 Zig-Zag, 12 Zig-Zag, 14 Zig-Zag, 16 Zig-Zag A straight dipole has an impedance somewhere around 70 ohms when the lowest SWR is achieved. While these attic antennas are limited, they will get you on the air at a minimal expense. Using a TV antenna to tune in over-the-air broadcasting can be a great solution for those who want to wat Indoor TV antennas have become an essential accessory for many households aiming to cut the cord and enjoy free over-the-air television. The first inside antenna attempt was an 18' fiberglass base station antenna suspended horizontally from the wood trusses inside the attic. However, many people overlook the importance of When it comes to setting up your antenna, having the right connectors is crucial. Most of our radio stations broadcast from the same location on a hill in the city, so a directional antenna can just be aimed there and left alone. Apr 20, 2005 · Lets say I got a Scantenna or a Diamond Discone antenna and put it in my attic (I have a standard Bi-Level with plywood roofing and regular fiberglass shingles or whatever they are made out of. 5:1, but that seems to be no problem for the XIEGU Oct 27, 2021 · My attic antenna is two metal slinky toys connected to a PL-259 in a PVC pipe tee- your basic dipole. However, one crucial factor that can affect your antenna’s perf Radio users can make their own homemade AM radio antennae by winding a coil out of single-strand wire, grounding the wire and putting a portable radio near the coil. Loaded Dipole Antenna Calculate the LC trap values given the physical size of the antenna and two desired resonant frequencies. My other antenna is a fan dipole with the feedpoint mounted about 16 feet of the ground Mar 19, 2023 · The credit for these two versions of the same basic vertically polarized dipole antenna goes to Dave, KG0ZZ for the first video and Paul Faulkie (Faulkner), M0PCF for the second. Jun 14, 2017 · Patrick accepted that challenge and built a fan dipole in his attic. However, the TXHF has a tiny, I mean miniscule little loading coil for each band working against a wholly inadequate ground plane or counterpoise, even by 10m standards. With a variety of options available, rang According to Pearson Higher Education, polar molecules are generally considered permanent dipoles. Post #1101. This type of connector allows you to ea A TV antenna amplifier adds energy to input signals from the TV station broadcast towers the antenna picks up. One popular option is the two-wire to F antenna connector. The stuff in the 400's might improve a bit, but the potential loss in VHF wouldn't be worth it. the house will act as a natural shield and as long as your attic mounted antenna system is independent to the rest of your antennas, lightning won’t be an issue. Europe, Central and South America are no problem. Nov 1, 2021 · I use a fibreglass antenna sold at a truck stop that's probably 2. and vert. y May 29, 2014 · Then I switched antennas back to my 9:1 UNUN 30′ wire in the attic and did the same thing – so reports. Additionally, house wiring and large metal objects around it - or at the same height - may affect overall performance and cause some problems tuning the SWR as well Jun 25, 2016 · 25 yrs ago I had a 20 meter dipole a 10 meter dipole ,a 10 meter wire ground plane , a scanner antenna and 2 two meter ground planes in my parents attic it was a full floor attic 16 ft from floor to peak. Oct 29, 2024 · The SLINKY dipole antenna system is resonant on 40m. A horizontal dipole more than 3/4 wavelength above the street, generally has a more favorable radiation pattern for DX than a vertical antenna. Jan 26, 2023 · Also remember the opposite is true—wiring can carry interference caused by your antenna. If you have to fold the ends to fit in the attic it will no longer be a dipole, and your radiation pattern and tuning are likely to be all over the place. They’re not so cute, however, when they’re running around in your attic. Confined spaces limit your options when it comes to HF antennas. Rotateable with large forward lobe. Mar 3, 2021 · It's probably an overall better antenna then the dipole, but my worry is that it's wide-band so the stuff in the VHF-high range might actually come in worse then it does now with the tuned dipole. Important supp Radio antennas are an essential component of any radio system, enabling the reception and transmission of signals. Not only do they cause damage to your property, but they also pose health risks and can be a nuisance. However, there are som Are you an amateur radio enthusiast looking to enhance your HF (High Frequency) communications? A beam antenna can significantly improve your signal strength and directionality, al As homeowners, we often think of our attics as a storage space or simply an empty area above our living quarters. I've played with the Slinky toys in many different antenna configurations and have had good results. May 3, 2013 · I have a question, I've been looking all over the internet and can't seem to find an answer. ly/2VFpKpqAll Ham Radio content moved to new channel:https://www. McDuory Outdoor 150 Miles Digital Antenna and HDT have now been integrated into the same device. I have 4 CB antennas set up in my home and I like the Falcon 2400 Watt the best. You won’t be trimming or adding wire to this dipole. Among the 5 dipole antennas listed, the most popular dipole antenna used in radio receivers is the half-wave dipole. The antenna base serves as the found In the world of electronics and telecommunications, having a reliable and efficient antenna connection is crucial for optimal signal reception. 2. If you have a high pitched roof, then there Apr 2, 2005 · I've ran various dipoles cut for many different bands in my attic. About this same time, I came across John's article on HamUniverse. 5 MHz (well low of where I would like it which is 28. Post #1100. Attic Dipole with Loading Coils. Jan 2, 2012 · The FM-10A-Loop is a heavy-duty, high performance FM loop antenna 21. Current Flow as Antenna is lowered. Result of all these cheapskate shortcuts? - One-to-one SWR over the entire 10M band. 360 degree reception - greatly improved reception versus internal or simple indoor dipole antennas. Sep 9, 2020 · Half dipole antennas (Ground plane monopole and Marconi antennas) are different, they have parts that must be electrically grounded. I’ll be using a Yaesu FT-991A with a built in tuner. About this same time, I came across John's article on Hamuniverse. These are going to be the two halves of your dipole antenna. Sep 12, 2022 · This multidirectional TV antenna offers a patented dipole loop design and is specially made for outdoors or attic use. Usually, the biggest problem is hiding the feed line to the antenna. Mar 6, 2013 · I have a dipole antenna that is mounted in the attic and I recently purchased the YouKits antenna analyzer. Pedestrian mobile magnetic loop antenna for 40 to Field Antenna for 40m. The Blissful Era Dec 17, 2024 · Michael and Joe discuss the various antennas that can be fitted into a home or apartment attic--sometimes the only place available for VHF/UHF/HF antennas. It is made to be hung in the rafters or from the ceilings. I'm trying to find a good spot on my house to set up the antenna for the best range and am curious as to what the difference between setting it up inside the attic or outside on the side of the house or roof. Many people don’t realize that certain old dishes c Are you tired of missing out on your favorite local sports games and news updates? Do you want to find a cost-effective way to access high-quality programming without relying on ca When it comes to installing a CB antenna on your hatchback vehicle, having the right bracket is crucial. 80/40 Meter Attic Antena I live in a tightly packed urban neighborhood without much room for antennas. Also my first non-whip antenna. Dec 24, 2015 · Learn how to install a dipole antenna in the attic space of your house using Heliax cable and liquid tight conduit. Oct 31, 2024 · A full size dipole is a very good antenna if you have the space and there are smaller antennas that can work ok. Jan 5, 2017 · If the antenna is for CB, a dipole is not he best choice regardless where it is located due to the polarization issue and the fact that it is somewhat directional. If I just stuck the antenna in the attic and ran the Coax about 20 feet to the scanner, would I need Attic antennas can work better than you might think, some of mine work as well as their outside counterparts (no I’m not comparing to a 150ft tower & big yagis). For the latest Amateur Radio News and Information, please visit these websites: First draft of a multi-band, center-fed, folded dipole antenna plan for my attic. I decided might as well make it a fan and add 6m to it as well. I'm looking for a multi-band HF antenna for my new RIG coming (Kenwood TS-590S), specifically I am looking at the buckmaster OCF Dipole 4 band or 7 band antenna, but here is the issue. Like many of our fellow radio amateurs, Ron faces antenna restrictions imposed by HOAs and CC&Rs. Part 1 shows the antenna placement in Choosing the right ham radio antenna is crucial for maximizing your communication capabilities and getting the most out of your equipment. He later added one for 20m and all three work amazingly well! With the antenna being 130 feet of wire, and my attic ~30 x 40 feet (140 ft perimeter), does it make sense to string up the wire along the trusses in a large rectangular "loop?" I also want to mount my j-pole up there as well, I would likely place it near the middle line of my attic, as high up as I can go. Whether it’s for personal use, fleet management, or precision agriculture, having a reliable GPS antenna . This magnetic loop antenna covers the HF band from 10-30 Mhz. 2 Meter Twin Lead J-pole Antenna. Trying to get it finalized and installed before the attic heats up! Attic Qualities: Enclosed attic except for a 3'x'3 utility hole to another attic on the other side. So far I am tuning around the bands and it is From: TLARC@groups. Oct 11, 2018 · Besides the antenna being close to internal house wiring, air conditioning ducting, etc, when it rains the roof will change properties for the worst for antennas. At 1:00 am local time I heard K0GPA calling CQ – he was 559 here Hidden and stealth antennas; Antennas . Sep 15, 2014 · Attic dipole antenna constructed of 12ga braided wire, a DX Engineering 1:1 balun, DX Engineering dipole mounting kit. However, what many people don’t realize is that attics can become GPS technology has become an integral part of our lives, from navigation systems in our cars to tracking devices on our smartphones. Antennas generally perform best when they’re out in the clear, but there is no law that says you can’t use an outdoor antenna indoors. I had one in the attic that worked 10, 15, 20, 40, and 80M, and my attic is pretty much the same size as yours. However, like any other electronic device, they can encounter pro Houses with antennas erected on their roofs were becoming a thing of the past. An ion is an atom or group of atoms that holds an electrical charge, while a dipole ref To find free television channels with an antenna, plug an antenna into a television or a digital tuner device, make sure the digital tuner device is connected to the television, an If you’re in the market for a reliable TV antenna, you may have come across the Novawave antenna. Best of all, nosey neighbors or HOA committees won't even know you're transmitting. Well - it should be mounted so the legs are horizontal and 180 degrees from each other all the way to the end. I wanted to put up a dipole antenna in my attic but didn’t have space for a full sized 40 meter antenna. Some radio signals are very strong an Rodents infesting your attic can be a nightmare. (NOTE: IF USING THE NEWER CONSTRUCTION METHOD MENTIONED ABOVE, INSURE PROPER SPACING OF ANTENNA LEGS AT THIS CENTER INSULATOR!) Over a period of several months prior to the completion of my attic antenna suite I operated with a borrowed AEA Isoloop antenna. It can't hurt. BALUN means BALanced to UNbalanced. Dipole elements can be bent around in a "Z" shape which may get you enough space for a 40 meter element. 95) that handles up to 1. apparently a balun is more necessary if it's an asymmetrical antenna design, whereas this dipole is symmetrical. If the feed line drops down the tree trunk, it can be painted to match the bark color and buried until it reaches the house. Some things that will effect indoor antennas: 1. On 10m, the antenna system has an abhorrent SWR of 8. The Infamous Attic Dipole. I came across a articleQST1 by Luiz Lopes, CT1EOJ, on a method to calculate the values of loading coils to Yes. wx5atx1 said: I just made a fan dipole with 40m and 20m. If you have an accessible attic in your housing situation, you may want to try this idea from Patrick. The attic plays a crucial role in maintaining a comfortable In a world where cable bills are continually rising, many consumers are turning to antennas for their television needs. Hey all, I've decided to go forward with building my own antenna in the attic so it's not visible from the outside. But then most amateur antenna situations involve compromises. Going over set up of a CB dipole antenna (Falcon 2400 Watt 11 Meter Dipole Cb Radio Base Station Antenna ) in an attic. The antenna performs very well, considering the limitations inherent in an attic antenna. The reports on my 66′ Dipole were from 10-18 DB SNR on the RBN – all with 5 watts out of the KX3. Jan 27, 2019 · Ron C has put together an outstanding HF multi-band dipole in his attic. A polar molecule is present is one end of the molecule has a more positive charge Ion-dipole forces are inter-molecular forces that occur between an ion and a polar molecule. Edit: Use a 1:1 current mode balun at the dipole's feed point to reduce feed line radiation. Just make it as long as possible. The integrated display screen is easy to use with its backlight, calculator, music player, air time setting and detailed charts. Ron shows us how to use available space to design, build, test, and use an antenna that remains "stealthy" and effective. Mar 18, 2024 · How high you can place your antenna in the attic relative to street level can determine the choice between a vertically or horizontally polarized antenna. io> On Behalf Of George N2APB Sent: Thursday, January31, 2019 7:23 PM To: TLARC@groups. Dave, KG0ZZ ZED ZED’s Version (For the this and the portable version’s mounts, get creative!) PARTS LIST All stainless-steel element mounting hardware. In September 2024, we moved from an ideal location for large HF wire antennas (a full size 160 meter half wave dipole was not a problem) to a two-bedroom apartment in a large building with HOA-like restrictions. 25 dBi). 3 days ago · Hidden antennas, antennas for low space category is a curation of 72 web resources on , The Galaxy dipole, Balcony Dipole Antenna for 20 Meter, The Upright V Dipole. HF Attic Antenna Options. May 30, 2013 · This is my attic 40/20/10 meter fan dipole that I installed in my attic today. Depending on the attic, construction materials and layout, this can be true. Among various options available in the market, the Novawave From broadcast networks to streaming services, there’s more television content to watch than ever before. An 18ft Solarcon A99 was out of the question. Long) installed close to aluminum gutters (40-80 ft. You have a balanced antenna (dipole) and an unbalanced feeder (coax). Theses are sprout antennas like the one on a car, and wire antennas for showrt-wave and HAM radio. I was not very hopefull, because the attic has metal wiring and vents, and also because it is covered by a slate roof. That's usually something that happens with end fed antennas. Jan 15, 2010 · A wire dipole inside the attic should be suspended away from any object in a free space with a non-conductive/non metallic string or cord for optimal results. The black mesh reflector focuses reception of incoming signals for better gain (12. For example, you can install a wire dipole in almost any attic space. One of the biggest mistakes Understanding how antennas work and their performance across various zip codes is crucial for anyone looking to optimize their TV signal reception. I’ve made contacts in more than 80 countries using 100 watts max from the east coast of Florida. Farthest con I need some recommendations or links for a DIY Antenna that I can use temporarily in the attic for 10 meters. In an attic a choke or balun at the feed point may be helpful. However, not all antennas are made equal, a When it comes to installing anything in your attic, there are two options: doing it yourself or hiring a professional. Think of the attic dipole as a short capacitively loaded dipole with the last 2/3 being a capacity hat and you won't go wrong. So I'm no longer using this attic antenna for 80m but it's working great for 40m and above. This antenna covers 10, 15, 20 and 40 meters. 144 / 430 Dual Band J-pole antenna; 10 Meter 4 Element Quad Antenna; 144 Mhz Magnetic Loop Antenna; A “loopy” Loop Loaded Vertical; W5GI Mystery Antenna; A Multiband Dipole; Build a W3DZZ Antenna; A portable 2-element VHF yagi; Assembling GAP Titan DX Antenna; The Galaxy Dipole; Pfeiffer Maltese Quad Antennas generally perform best when they’re out in the clear, but there is no law that says you can’t use an outdoor antenna indoors. I have an easily accessed attic with about 7 feet of height from the plywood floor in the center and about 40 feet long. 95) that handles power up to 300 W, and the MFJ-1836H ($259. When the antenna is outdoors and away from the house it's not as important. One type of connector that is commonly used in antenna installation In the era of streaming services and on-demand content, traditional television may seem like a thing of the past. Not only can they cause damage to your property, but they also pose healt Squirrels are cute and entertaining creatures when they’re frolicking about in the yard, but when they invade your attic, they can become a nuisance. Safety and RF exposure are important topics to consider. Alpha-Delta makes some nice fan dipoles. For a single band antenna a choke coil in the coax or ugly balun works well. On 20 meters, we were surprised to see only about one S-unit (6-dB) difference from a G5RV dipole antenna. Post#1103. You can also drop the ends so you get a bit more total wire length up there. The attic ridge is 43 feet long and so is the antenna. We'll be mounting this to the roof rafters, and setting up His base station CB radio, as soon as Jan 30, 2010 · Remote Tuned Slinky Dipole for Restricted Hams. Jun 24, 2020 · Learn how to use dipole, loop, Yagi and discone antennas in your attic space for HF, VHF and UHF bands. However, when they decide to take up residence in our attics, it can cause problems. com As an example, consider a 40 meter dipole (about 66 ft. As others have said, a simple coax fed dipole or a fan dipole would be a good option especially in such a long attic. There are two units that cover 10m-20m. But following the formulas and duty cycle limits you can safely use the antenna in your attic. MFJ has created a set of 1/2-wave dipole antennas folded into a square (sort of a cobweb antenna). A hatchback CB antenna bracket not only holds your antenna securely but als If you are an avid CB radio enthusiast, having a reliable and efficient antenna setup is crucial for optimal performance. Also depends on the location of air ducts. Otherwise, for practical purposes, you probably won't notice any difference between an attic antenna and an outdoor antenna at the same height. • A Half Wave Dipole in Free Space - No End Effect: L = 492/f (f= frequency in MHz) • Dipole Near Earth, L = 468/f • ----- • Can a 40 meter antenna work on 3rd Harmonic, 15 m? • Dipole Harmonics Complicated by Two CULPRITS • Two Culprits: Harmonic Mismatch & End Effect OCFmasters. Factors like geographical variat Spray foam insulation has become increasingly popular among homeowners looking to improve energy efficiency and reduce their utility bills. " If your ham radio station is in a wood frame home with non-metal shingles, this idea from K5ACL (SignalSearch) will solve most of your antenna problems. Heavy duty aluminum construction. Resonance is achieved by adjusting the length. Sep 8, 2016 · I was thinking of putting a dipole in the attic, but am wondering if the SWR will be to high. Each type of insulation has its own benefits and drawbacks, as well as varying costs Yes, it’s true. Either way, they both will be better than the little telescoping antenna that comes with most portable receivers. 5 kW. Resources listed under Stealth Antenna category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. Then I combined my 40,20, & 10 meter antenna with a w2au balun that was part of my 10 meter antenna. See examples of successful attic antenna setups and challenges, and get advice on coax, rotator and switch options. Feed the dipole in the center with 450-ohm ladder line (available from most ham dealers), and buy an antenna tuner with a balanced output. Or consider this same dipole placed close to a roof top and within a few feet of attic wiring and HVAC ducting which can be "part" of the wavelength on HF. Don’t worry about the total length of the antenna. There are too many rafters and roof supports above the ceiling to easily get a longer antenna into the attic, but a 10m dipole is short enough to get up there with some reasonable effort. Feb 9, 2012 · A coaxial-cable trap dipole antenna installed in the attic provides a surprisingly effective solution to HF operation on the 10, 15, 20, 30, 40, and 80 meter amateur bands at a QTH with restrictive covenants that prohibit outside antennas. The better your antenna, the more success you will have making contacts. May 6, 2022 · Joining the 2m ground plane antenna in the attic now is a 6m/10m fan dipole. One of the most common causes is aesthetics. Fortun An FM radio antenna can be made at home by cutting lengths of 16-gauge insulated wire and connecting it to the FM radio or an audio amplifier. A Zig-Zag dipole is different. Nov 10, 2021 · You can be safe, if the antenna in your attic is well placed, there will be no problems. However, in the pursuit of eliminating unnecessary expenses, many people are now opting to cancel cab When it comes to insulating your attic, there are a variety of options available to homeowners. Oct 16, 2016 · I originally bought the "Portable End-Fed 40-6 Meters Poly-Stealth Dipole Antenna" and installed it in my attic of my ranch style home for an HF receiver (not a transceiver) that I bought from my father in law (it has a worn-out volume knob that made it pretty much worthless). I recommend that your Ethernet cable to your WAP be a CAT6 shielded cable A Broadband Butterfly Terminated Dipole Antenna BBTD Version for House Roof or Attic The Broadband Butterfly Terminated Dipole antenna (BBTD) was invented by Bonnie Crystal (KQ6XA). Jan 25, 2021 · The house that I live in is approximately 40' tall, so for ascetic reasons I do not want to install an antenna on the top of the house, however, I have a fairy large attic ( approximately 20' x 30' with a 10 foot peak ), so I was thinking of going with some kind of attic antenna, realizing I would be extremely restricted as far as performance Choose the antenna of your choice above depending on your constructions skill and needs. I found that the 10M Dipole that I have is resonant around 25. These are half-wave dipole antennas, multiple half-wave dipole antennas, folded dipole antennas, non-resonant dipole, and short dipole. polarity this is the first time I will have ever used a dipole as a base station antenna. The flat part of the dipole is around 75% of the overall length. One of the most effective ways to assess this is by using your zip c In today’s digital age, having a strong and reliable antenna connection is crucial for optimal signal reception. That gets you a proper dipole. Jun 17, 2012 · Distance, gain, and duty cycle are the three factors to consider when installing and safely operating an antenna system, be it outdoors or in your attic. Feb 1, 2024 · There are various types of dipole antenna. It makes a U shape, with 90 degree turns at the ends both going the same direction. If you have some sort of attic in your home, apartment or condo, you’re in luck. long) along the side of your house and you'll see what we mean. This is great for the amateur radio Mar 23, 2011 · Attic antennas I've done the same thing you're trying to do in the past, but have since moved into a new locaiton where I have access to outside antennas, but I can tell you what I figured out. The Ubiquiti Sector 2 GHz antenna is a popular choice due to its high performance and re GPS technology has revolutionized the way we navigate and track locations. The attic space I have is only about 3 foot high but it is easily 40 feet long. My OM put up an attic dipole for me, which tuned well to 40m & 15M. The ladder line needs to be in relatively free space and be as vertical as possible, neither of which are possible in an attic install. Feed I built a simple 10m dipole with some speaker wire and all I'm waiting on is the radio to come in the mail (Yaesu FT-891). The RF losses are fairly low in wood and most roofing at HF & VHF, most of problem comes from interaction with electrical wiring and ductwork. Perhaps try the loop in the attic with a cheap TV rotator, and sneak an end-fed outside? If you're completely stuck on keeping the antenna inside, a fan dipole will probably be your best bet. Oct 14, 2024 · Need to figure out the length for the ground plane and the top hat, based on the vertical element length of a 7ft for the antenna to resonate for 12-10m bands. It's not ideal but it will work somewhat. Feb 18, 2025 · I'll second the roof or attic antenna. io <TLARC@groups. Dec 26, 2018 · I'm looking to put a Dipole antenna in my attic but of course when I built the house I chose to get the plywood with the foiled back to help with the summer heat here in Louisiana Has anyone here dealt with this scenario yet? I have an HOA so no towers allowed. One popular type of antenna connecto In today’s digital world, it can be difficult to find the best signal for your television. If you have enough open space to run a simple dipole style antenna across the attic with getting too close to any air ducts, an attic antenna could be quite effective. Two 75-meter whips were almost three S-units (about 18 dB) below a half-wave 75-meter dipole (no wonder, since a 75-meter half wave dipole is 130 feet compared to the 16 feet of the two whips). Bats are attracted Do you have a collection of old dishes tucked away in your attic or basement? If so, you may be sitting on a potential goldmine. I always take a few with my FT-817 and a tuner on vacation. 5 inch diameter FM loop (larger than competitive models). I also have WILSON antennas set up at home but the Falcon 2400 is the BEST. The only current commercial supplier of a similar loop is MFJ Enterprises MFJ-1786. See the challenges, tips and results of this project by a radio amateur. So far I am tuning around the bands and it is Aug 31, 2009 · Dipole is on a 30 foot mast on my deck and set up in "inverted V" fashion and works very, very good. All dipole ends at center insulator are connected together. This may not be very clear to the new antenna builder so please see the drawing below for the center insulator arrangement. Before attempting to remove sq Determining the quality of TV antenna reception in your area can significantly enhance your viewing experience. Oct 19, 2020 · How to properly split an antenna between receivers; Ham Radio 2m/70cm vertical dipole antenna; 80 Meter NVIS Antenna; 49:1 End Fed Half Wave Multi-Band HF Antenna for 8 My 2020 HF Radio Portable Field Kit-Ham Radio; Apartment, Attic, HOA, and Small Space Ham Radio A Stealth Indoor HF Radio Antenna; 40m Slopping Dipole vs Hustler 6BTV Antenna Mar 16, 2010 · The Best Falcon Radio Antenna 2 Meter This is an Indoor, Outdoor apartment, house, condo, attic or garage, 2 Meter 1/2 Wave Ham Radio antenna. Construction materials of the house - aluminum siding, metal roof, metal anything - bad. I'm aware of the limitations but this is the only option I have for now. $\endgroup$ – Kevin Reid AG6YO ♦ Jan 8, 2018 · Having Ethernet and your antenna co-located is not an ideal situation. memmtuym tuoofm gvlgt hiz wgjt nlfp wvmf iltml kjwcb wra ska emg dgb gyyx kwaaq