Attic hf antenna The downsides to this are there's also some electrical lines running up there, and there's some old knob and tube wiring which is supposed to be 6 days ago · Suggestions on finding RF ground when you live in an apartment and you want to setup an antenna HF Balcony antenna Small HF balcony antenna project A turnstile antenna for 2-meter ARDF Antenna design for use with hidden transmitters on international-rules ARDF events Clif's Ham Radio Page Summary of experience with restricted space antennas Oct 3, 2019 · Choosing the right antenna is critical to get the best reception, that’s a given. Attic antennas •Many types of antenna can be mounted in the attic IF you don’t have Radiant Barrier (Tech Shield). 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. But even if those are not possible, there’s also the attic antenna. I also have an HOA deterring me from any permanent exterior antennas. With such low power, you'll definitely want to get your antenna systems as efficient as possible and try to not have to use the tuner at all. I had to relocate some of the attic antennas because of problemsat 50W on 2M and 70cm my DirecTV units went berserk. Top HF Ham Radio Antennas. But following the formulas and duty cycle limits you can safely use the antenna in your attic. Others have had similar issues with cable boxes. Other HOA Antenna Ideas from OnAllBands …As the Rotor Turns. 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?" Sep 17, 2022 · Why it made the cut: The Antennas Direct 8-Element Bowtie is a powerful and versatile antenna that you can tuck away in an attic. Once I get an HF transceiver, I'd love to someday be on the 30M or 40M bands. You will need a peak in your attic that is tall enough for the antenna to fit. Sep 7, 2018 · I went to my friends house to check out his setup and get him up and running on some HF digital modes. Jan 26, 2023 · Also remember the opposite is true—wiring can carry interference caused by your antenna. Listen to this article as a podcast (AI generated): In online groups, people often ask what the best antenna is for use in an attic. io <TLARC@groups. And it did work. The answers sometimes contradict each other. However many apartment dwellers have operated using whips installed on their balconies. If the top of the antenna touches the walls or roof, the performance may be affected slightly. Jun 8, 2022 · I could climb up to the "upper" attic and string the antenna from end to end right under the eave of the roof. For example, you can install a wire dipole in almost any attic space. 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! 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. Attics are great locations for indoor antennas. Mar 27, 2024 · I decided to throw out a longwire antenna outside, roughly the same length as what I have the Alpha Delta up in my attic to check for signal quality. Keeping a close eye on the signal strength meter, I could see which antenna performed better. Magnetic loop antennas of 1 to 3 meter diameters have been used successfully even they are about 40 to 60 percent efficient. Attic installations. Sounds easy enough, right? But if you plan on wanting your antenna in your attic, there’s a few things you should know. That was a down and dirty antenna to quickly let me get on HF. Depending on the attic, construction materials and layout, this can be true. Apr 1, 2012 · The only concern with attic mounted antennas is the space available to you for mounting. There are a couple of things. The noise level actually increased from right at 9mhz up well into the 10 meter band. An Attic Coaxial-Cable Trap Dipole for 10, 15, 20, 30, 40, and 80 Meters John DeGood, NU3E nu3e@arrl. Oct 27, 2021 · The Satellit 800 has three different antenna inputs for hf: 500 ohn (wire clips), 50 ohm (coax), and the on-board whip antenna. 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. Sep 11, 2020 · A quick disconnect fitting or two will allow you to connect the HF antenna mounted on your car to a run of coax going inside the house to your radio room. Your incoming and outgoing signals depend on it. Let’s not minimize the importance of a good antenna. As a new ham you’re going to have to deal with lots of trade offs as you decide on an HF antenna. It’s not the perfect solution, but it works. What is your roof made of? Metal in it can render the antenna useless. I had an attic antenna for years. Dipoles are not hard to construct. HF Attic Antenna Options. So having an antenna in the attic, tuning it with the G90 somewhere else in the house, is not ideal, especially since the G90 maxes out at 20W. If you have some sort of attic in your home, apartment or condo, you’re in luck. We have many successful customer reports of attic installations. com From: TLARC@groups. When I transmitted, I tripped the GFCI in the bathroom under the antenna. With his antenna matching unit providing an acceptable match, he’s on the air making contacts. Another local uses an HF loop antenna tacked up around the circumference of the ceiling of a second-floor bedroom. Safety and RF exposure are important topics to consider. There is insulation with metal backing up there, too, but the dipole would be over it. •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. Money, available space, bands you want to use Jul 5, 2020 · For example an attic antenna will work better with a plywood / asphalt shingled roof compared to a metal roof. The four sizable rectangular panels of the Antennas Direct 8 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. There are great benefits to having a directional antenna. 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). Attic antennas are totally doable. HOWEVER--and this is a BIGGIE! Attic installations and performances (SWR) are unpredictable due to the fact that HF antennas in attics can be upset by attic wiring and heat/air ducting being nearby. Of course the outside antennas work better, but we do what we have to (HOA or they would all be outside). When I moved into a ranch style one story house I started with an attic antenna. It’s also assumed that performance is much less than full-sized antennas. Jun 25, 2016 · In my attic I have a GP-3, two GP-1s, and a 10M double bazooka. If you can cover at least the area of a room with chicken wire and plant the screwdriver in the center, and your roofing material is transparent to HF contact script; 2m and 70cm repeater contact script; Phonetic alphabet; 20 metre delta loop HF antenna; Vertical HF whip antenna for 20 or 40 metres; 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 Mar 26, 2019 · For the past six years I’ve used indoor antennas on 8 bands (40M through 6M) with far better than expected results; all 50 states, 142 countries on HF and on 6M 37 states and 21 countries. A dipole antenna is an effective and powerful antenna that provides a great performance level when erected or installed as high as possible- where it can’t be affected by obstructions. Let’s cover the top 5 HF Radio Antennas for new hams, coming up. Also, metal gutters and roof/wall material can be a factor. D. It is also multiband and very easy to install. A lot of hams are struggling in an HOA with antennas o. TLDR: The G90 is awesome. I used it on HF. On 6M I use a Moxon beam. Confined spaces limit your options when it comes to HF antennas. On HF the antennas are mini-dipoles made up of pairs of hamsticks end-to-end to form dipoles. Oct 12, 2020 · Mobile whip antennas for HF are usually less than 20 percent efficient. Jun 24, 2020 · Dipole and long wire antennas can also be used with mobile/outdoor style auto-tuners feeding them in an attic space. Of all the Attic Antennas that I have used, this one is far and away the best. The KB9VBR 2 meter J-Pole antenna is 69 inches tall overall. (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. It wasn't the best antenna, but it was the best I could do. 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. First, each antenna has a range and that range is usually based on the antenna being outdoors. Oct 31, 2024 · Assuming the attic has a spot 6 or 8ft tall, about the best I can think of would be a higher end HF screwdriver antenna over a large ground plane made of chicken wire stapled over the attic floor. Wire backed stucco construction is also not good with signals. Mar 18, 2024 · There are stealth antennas, of which the flagpole and metal gutter are perhaps the best known. Location, location, location. Peter G3OJVHAm Radio Storehttps Feb 1, 2024 · This article will look at how to build a dipole antenna for the HF, VHF, and UHF bands. io> On Behalf Of George N2APB Sent: Thursday, January31, 2019 7:23 PM To: TLARC@groups. xutfyiz hgqtbfxb fmbgg srbdi lshl ewsbcgci nopxjxe orjh duoiwusfj kchtt ruvg mctqnqu sytt rxeb kmdgzk

Attic hf antenna. It is also multiband and very easy to install.