Attic dipole antenna
Attic dipole antenna. Find Kelemen Trap Dipole Antennas and get Free Shipping on Most Orders Over $99 at DX Engineering! Kelemen Trap Dipole Antennas are high-quality, heavy-duty pre-assembled wire antennas intended for permanent installations. The W5GI Multi-band Mystery Antenna looks like a plain dipole (see figure1 and photo A below) and is very simple to build. What’s not to like about a six-meter dipole? Apartament Antennas; J-vertical Antenna for 10 meters band; VHF – UHF 142 – 450 MHz Log-periodic Antenna; 2m Folded Dipole; 6m 1/2 wave Melrose Vertical; VK5AH – HF 4 Bander Antenna Construction & Adjustment Tips; 40m/80m Lake Eyre Portable; G5RV All-Band HF Antenna; EH Antenna for 80 M From: TLARC@groups. Jun 24, 2020 · Dipole and long wire antennas can also be used with mobile/outdoor style auto-tuners feeding them in an attic space. Carolina Windom. HF Attic Antenna Options. On HF wire beams can be run on the roof supports or the rafters, these usually are good for one direction only but can be switched electrically for different coverage. The advantages of mounting the antenna in the attic are twofold. Again stay away from metal and wires to maintain your pattern. You may be lucky and discover that your built-in tuner can indeed find an acceptable impedance 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). Enjoy! INDOOR MULTBAND SHORTWAVE ANTENNAS Attic Antennas Jul 5, 2020 · The antenna is in the attic, probably only about 16-18' above the ground. Here’s the rundown. If you have some sort of attic in your home, apartment or condo, you’re in luck. It’s also assumed that performance is much less than full-sized antennas. polarity this is the first time I will have ever used a dipole as a base station antenna. Virtually invisible 66-foot jacketed wire element. •Need lots of room, keep them away from metal objects like heaters and ducts •Wire antennas can be run near the peak of the roof inside the attic, bent in odd shapes to match the space available. Then there’s six meters, the Magic Band, where the antennas are small enough to fit in your backyard or even your attic. Anyway, I finally got the antenna strung up in the attic. In an attic a choke or balun at the feed point may be helpful. This may not be very clear to the new antenna builder so please see the drawing below for the center insulator arrangement. Jan 26, 2023 · While the performance of antennas located outside will almost always be better, locating them inside and in a roof space may be the only option—and a workable one. They feature special traps made with of PTFE (Teflon®) insulated coax for high Q and low losses, offer high performance multi-band operations—and are excellent shortened Jan 26, 2023 · Also remember the opposite is true—wiring can carry interference caused by your 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! 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. 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. (the dipole is directive off the broadsides at heights of a 1/4 wave and greater. Mar 18, 2024 · The dipole antenna has a number of properties in common with the dipole. With some info on using pulleys and c The radio only has an antenna input for a SW antenna (3. The black mesh reflector focuses reception of incoming signals for better gain (12. This antenna is also direction-sensitive and wants to hang as high as possible for DX. Just make it as long as possible. Enjoy! INDOOR MULTBAND SHORTWAVE ANTENNAS Attic Antennas For a platform without rules and restrictions check out this upcoming goodness:https://bit. Portable End-Fed / 80-6 Meters/ Dipole Antenna/ 300 watts It took some time, only because I was waiting to get full clearance from my doctor to get back to doing things with no restrictions. I'm a complete newbie. io <TLARC@groups. Either way, they both will be better than the little telescoping antenna that comes with most portable receivers. You won’t be trimming or adding wire to this dipole. I have built loft / a As an example, consider a 40 meter dipole (about 66 ft. When the antenna is outdoors and away from the house it's not as important. After attending college, getting married and moving into a small basement No room for your base antenna? Try a dipole My first CB antenna was a Antron 99 which I haphazardly mounted on top Written By: Scott Wolfington The following article is based on a HamUniverse. 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. Confined spaces limit your options when it comes to HF antennas. To tune this antenna to resonance, I would climb up in the attic, short out turns of the slinky, and hang the antenna from steel hooks screwed into the roof joists. ly/2VFpKpqAll Ham Radio content moved to new channel:https://www. I’ve tried a few along the way. The first inside antenna attempt was an 18' fiberglass base station antenna suspended horizontally from the wood trusses inside the attic. Attics are great locations for indoor antennas. All dipole ends at center insulator are connected together. Don’t worry about the total length of the antenna. Depending on the attic, construction materials and layout, this can be true. Attic SWL Antenna. Nov 20, 2015 · Going over set up of a CB dipole antenna (Falcon 2400 Watt 11 Meter Dipole Cb Radio Base Station Antenna ) in an attic. Learn the pros and cons of attic antennas. You can hang the legs of the dipole horizontally, but also diagonally in an inverted V shape. Antenna Static Bleeders; Broad Band Terminated Dipoles (BBTD, T2FD) Bullet Antenna Products; Coax Feed Line Common Mode Chokes (1:1) Dipole Antennas; End Fed Half Wave Antennas; End Fed Long Wire Antennas; End Fed OCF Antennas; G5RV/ZS6BKW Antennas; Loop Antennas; Off Center Fed (OCF) Antennas; Vertical Antennas; Kurt Sterba Comet CHV-5X Rotatable Dipole Antennas. NVIS dipole. Antenna Calculator. 160M End-Fed. For a single band antenna a choke coil in the coax or ugly balun works well. (NOTE: IF USING THE NEWER CONSTRUCTION METHOD MENTIONED ABOVE, INSURE PROPER SPACING OF ANTENNA LEGS AT THIS CENTER INSULATOR!) Choose the antenna of your choice above depending on your constructions skill and needs. ) how well does it work? Loft / Attic Home-Brew CB antennas. com 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. The height above ground of your attic. Antenna, Rotatable Dipole, HF, 2 Element, 220 W, 40m, 20m, 15m, 10m, 6m SO-239, Each See More Specifications No room for your base antenna? Try a dipole My first CB antenna was a Antron 99 which I haphazardly mounted on top of a 75 foot cedar tree after making a death defying climb. Step-by-Step Construction. Slinkys are made from spring steel, very far from being a good antenna material. Towers These are going to be the two halves of your dipole antenna. For 11 meter 9-18 feet and above is bestmy attic is about 25 feet off the ground and the 11 meter dipole has a very predictable bi-directional radiation pattern. The stuff in the 400's might improve a bit, but the potential loss in VHF wouldn't be worth it. If possible, get the antenna outside. 25 dBi). Towers 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. Homebrew Tuner. 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. About this same time, I came across John's article on HamUniverse. Resources listed under Stealth Antenna category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. It is made to be hung in the rafters or from the ceilings. 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. and vert. Usually, the biggest problem is hiding the feed line to the antenna. 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. Towers Sep 26, 2017 · Over on our store we now sell our dongles with a receive only dipole antenna kit that replaces the older magnetic whip style antennas from the previous kit. On 20 meters, we were surprised to see only about one S-unit (6-dB) difference from a G5RV dipole antenna. Oct 12, 2015 · Coaxial-Cable Trap Dipole An Attic Coaxial-Cable trap dipole for 10, 15, 20, 30, 40, and 80 meters W5GI Mystery Antenna W5GI Mystery Antenna is a multi-band wire antenna that performs exceptionally well even though it confounds antenna modeling software. Short Antennas "Loaded" Dipole. When I first Written By: Scott Wolfington The following article is based on a HamUniverse. Inside the apartment means the antenna is susceptible to local manmade noise and may cause interference to TV, Stereos’ and other appliances. y Apr 2, 2005 · 3. 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. Sep 12, 2022 · This multidirectional TV antenna offers a patented dipole loop design and is specially made for outdoors or attic use. The Antenna Tuner The last item we need to discuss in Figure 1 is the antenna tuner. Years ago, back in high school, I had a "Slinky Dipole" in my parents attic. Then I combined my 40,20, & 10 meter antenna with a w2au balun that was part of my 10 meter antenna. I decided might as well make it a fan and add 6m to it as well. Another local uses an HF loop antenna tacked up around the circumference of the ceiling of a second-floor bedroom. On VHF a beam antenna can work well in the attic, even a rotator can be used. The antenna should be the best possible at the least cost. The 40 meter dipole was loaded with some coils so that I could fit it in the attic. Small Mag Loop. 5-dBi gain on 10 and 6 Meters! Day or night, there’s always DX on on Oct 12, 2020 · Wire end fed antennas require a support at the far end. Edit: Use a 1:1 current mode balun at the dipole's feed point to reduce feed line radiation. 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. It gave me 40, 20 and 15 with a push because although a 40 meter dipole should give you a resonant 15 meter antenna, in this case – with the coils for 40 – it mucked the maths up and caused the ATU some trouble. May 6, 2022 · Joining the 2m ground plane antenna in the attic now is a 6m/10m fan dipole. io> On Behalf Of George N2APB Sent: Thursday, January31, 2019 7:23 PM To: TLARC@groups. It can't hurt. Antenna Systems. . HOA HF Vertical. com describing a dipole antenna he made using mobile fiberglass type CB antennas. Six Meter Dipole. HF Military. 160M Windom. 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. My other antenna is a fan dipole with the feedpoint mounted about 16 feet of the ground 10/20 metre Yagi in the attic; 40 metre loaded dipole; Multi-band Inverted L antenna; Make a rotating VHF/UHF HAM SAT antenna array; 80 metre end-fed antenna; 40m Hamstick Dipole vs 1/4 wave vertical antenna; Spectrum Communication trapped dipole 20 & 40 metres; Artificial grounding with the MFG-931; Band plans (other site). Location. That's usually something that happens with end fed antennas. After doing some research, I learned that a dipole antenna mounted in my attic might do the trick. The YT clowns have probably never heard of antenna modeling. This calls for a little creativity; if the space allows, consider mounting your antennas in the attic. Choose the antenna of your choice above depending on your constructions skill and needs. Mar 26, 2019 · Two problems here in Texas with attic antennas though are that most new construction requires radiant barrier (can you say Faraday cage?) and it’s common to put the HVAC system in the attic. I was 16 years old at the time. A friend of mine was running 100 watts into an attic dipole and fried the control board on his system. Homemade Ant . Attic antennas •Many types of antenna can be mounted in the attic IF you don’t have Radiant Barrier (Tech Shield). So far I am tuning around the bands and it is Coaxial-Cable Trap Dipole An Attic Coaxial-Cable trap dipole for 10, 15, 20, 30, 40, and 80 meters VK5AH -HF 4 Bander dipole A multiband 80-40-20-15 meters dipole wire antenna that can be extended to cover 160 meters too. com Mar 13, 2016 · For past attic antennas, I've installed two 2x4's (horizontally) between two of the vertical supports at the approximate level of the X-50 mounting sleeve. On 40m, it worked a treat. Feb 1, 2012 · An 18ft Solarcon A99 was out of the question. long) along the side of your house and you'll see what we mean. Ultra-Lite for 40, 20, 10 and 6 Meters, handles 300 Watts PEP SSB/CW. Cost. 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. To facilitate installation, tuning, and future maintenance, the antenna supports were chosen to be ring-eyed lag bolts with pulleys attached. 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. Your "top 5 antennas" Not mine, All i use is home brew wire antennas,i have worked stations all this world a 20 meter dipole, yep a dipole,,OH, 2 answer your question a tuner. For example, you can install a wire dipole in almost any attic space. SWL Antenna. Long) installed close to aluminum gutters (40-80 ft. The attic space I have is only about 3 foot high but it is easily 40 feet long. May 30, 2013 · This is my attic 40/20/10 meter fan dipole that I installed in my attic today. This was done for a few reasons We believe that the dipole kit is much more versatile and will enable beginners to get better reception straight away Magnets of any type are difficult to ship as they are not allowed by many airmail 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. 5mm mini plug), and uses a ferrite bar for MW. Surprisingly, the new antenna performed exceptionally well on 20 meters, had low SWR and performed just as well on the other HF bands and 6 meters as my G5RV reference antenna. Three Rules: Needs to be compact, easy on the wallet (cheap!) and easy to construct and understand. com article by John Reisenauer (KL7JR) titled Simple and Inexpensive Dipole and V Antenna Mount. I then mount the X-50 brackets / mounting sleeve directly to the horizontal pieces with a few screws and install the antenna body to the mount. 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). 10M Antenna. Apr 1, 2012 · If you live in a space restricted location or are under a HOA restriction, you may be able to mount an antenna outside. Do you live in a covenant controlled area and wish to put up a stealth compact, but efficient, HF attic antenna? Or, you just don’t have room in your yard fo 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. Dec 24, 2015 · The dipole antenna I installed was cut roughly for 20m (14MHz) but the final tuning has not yet been performed, allowing for optimization for the in-situ configuration. First, I must say that setting up a base radio (11 meter) and accompanying antenna is a new hobby for me. Hidden antennas, antennas for low space category is a curation of 70 web resources on , Balcony Dipole Antenna for 20 Meter, The Upright V Dipole, Low-Viz Rain Gutter Antenna Mount. Delivers up to 6-dBi gain on 40 Meters, 9-dBi on 20 Meters, and a whopping 11. Some HF transceivers have built-in antenna tuners, but in most cases, these will not be able to handle the impedances they are likely to “see” with this antenna. All-Band OCFD. Design Software. Perfect for low-profile, portable and QRPoperation. Mar 19, 2023 · Those work ok on 2 m but on 70 cm the radiation pattern is terrible. SWL Active Loop. HF Vertical. What’s not to like about a six-meter dipole? Short Antennas "Loaded" Dipole. Feed Apr 8, 2018 · Attic Fan dipole antenna that allow to operate QRP from 40 metres to 10 metres, specifically 40, 20, 17, 15 & 10 meter band (by M0WYM) The Fan Dipole Fence The FFD is a multiband antenna, quick, easy and cheap. The Sloper. A better design is to make a 2 m dipole with one (or two) closely spaced (about 1 inch) 70 cm 1/2 wave parasitic element (also called coupled resonator). Jun 8, 2020 · Antennas are always fascinating, with lots and lots of options from homebrew to buy it off the shelf. The manual suggests simply using an alligator clip to connect an external FM antenna, which I assume would be the center conductor, which leaves me to wonder where best to connect the other lead from the coax braid. (i new i would get your attention Hi )Dont get me wrong SIR ,,your article was Spot on* Liked it and all the comments** Check out"The beauty of a Dipole" Longwire. jgu ayduwnx lzhmlts kckfv zddb yulmb dnh ttofco onr lnuffp