Hoverman antenna

Hoverman antenna. Sep 22, 2019 - Explore uli's board "vhf uhf tv antennas" on Pinterest. They're about a quarter inch and I figured it'd be a perfect way to recycle the antennas. Fair reception on Hi-VHF (192-220 MHz). Tested Effective range 1 to 50 miles without amplification or boosters, you shouldn't need one, but try it of you have one. Excellent reception for all UHF (470-608MHz) frequencies. Howdy all. Curves must be broken into a series of straight segments. Now that’s what we call community action. Last edited by HiTechHiTouch on July 10, 2014 04:31. Apr 19, 2013 · The last item needed is a balun (transformer). In addition to my YouTube channel I offer an antenna recommendation service on my website. I'm hoping it's better than the old fashioned dipole antenna. Yes, both antennas are HDTV ready, and even backwards compatible with B/W sets. The Tube Bowtie worked as well as the Kosmic. Final assembly of the antenna is covered in another Instructable. They provide exceptional performance across the entire www. Compared to standard 4-bay designs and dishes, the Gray Hoverman has higher average gain in this range. But I'm running into some problems. Mclapps's an easy built w/ good results. the Hi-VHF (Ch7-13) and UHF Bandsand MAY need a VHF antenna. It uses a novel design of stacked bays that maintains resonance over a wide bandwidth from channels 20-50. Using a ruler and protractor draw the antenna on the foam core according to my diagram. Apr 20, 2013 · There are plenty of antennas you can buy to help boost your signal strength, but few of them are as effective as the Gray-Hoverman antenna. They provide exceptional performance across the entire post-transitional UHF band (Channels 14 through 51). Here you'll find tons of videos related to antennas and cord cutting. Discuss this article with the rest of the community on our Discord server! Tagged antenna DIY Projects radio. Nov 3, 2008 · Stacking two identical antennas side by side in a horizontal plane (Fig. It is particularly sensitive in the UHF frequency range, the same range used for the majority of digital television transmissions. With the Olympics coming up, and my local NBC affiliate being in VHF-Hi, I'm finally breaking down and building a Gray-Hoverman Fractal Antenna. ). Even paper in this case… Source: Techorator DIY Antenna Plan #5: Mohu Leaf Decorated. 095. Oct 27, 2009 · October 27th, 2009. Step 9: Make the Other End of the Frame. This jig makes it easy to form the zigzag active elements needed for every version of the Gray-Hoverman tv antenna, using prepared links of common quarter-inch diameter copper tubing. This resulted in the following geometric parameters: A = 27-11/16 in. Which is why it’s on this list. You can build it on aluminum or copper, based on your preferences. ca. If you want more information, please make a comment and I will try to help. Generally most people will want to build one of these models. At the top edge of the upper hole, draw a horizontal line to the left for six inches long. They're using quarter inch copper piping for their antenna. digitalhome. By adding some additional elements called NARODs you can also receive VHF band. Pictured below is a schematic of the proposed antenna (dubbed X-GH8) along side the single-bay GH-10 for comparison. There I take a look at your current Dec 16, 2023 · Hoverman antenna grayAntenna hoverman bowtie Freezerdev: homemade gray-hoverman antennaGray-hoverman vs bowtie antenna: what's the difference?. US2918672A 1959-12-22 Broadband u. Jan 28, 2019 · In this video I will show you how to Upgrade The Ultimate TV Antenna And Grey Hoverman TV antenna for the best TV antenna reception . This is the last of several Instructables covering construction of this antenna that receives UHF stations and, optionally, those in the high end of the VHF ban… Gray Hoverman TV Antenna Final Assembly: The Gray-Hoverman antenna final assembly is straightforward once all the parts are made. is 5/16", and O. The only one I kept was a DBGH (double bay gray hoverman). If you have an aluminum folding chair sitting around it is a quick build and sturdy. Mar 17, 2009 · The Gray Hoverman antennas that 300ohm, j3d, and others here have developed are great for, depending on the model, a flat gain curve over the 2009 UHF band, very low SWR, scalability to multiple antenna installations, and even VHFhi reception. Sep 30, 2019 · I built a Grey Hoverman antenna with no reflector. GH10n3 Gray-Hoverman TV Antenna: I recently completed this antenna made from parts and materials from home center and hardware store. Jun 15, 2012 · I constructed a copy of Dual Band DK7ZB 144 / 430 MHz yagi antenna with gain 9 to 10 dBi, MAX SWR 1. 4. I re-thought how I was going to build it and so I made the frame from 1/2" PVC in the interest of longevity. Exceeded the performance of a Channel Master 4-bay antenna!Add Jan 25, 2022 · Gray-Hoverman Antenna. The square shooter is made up of a number of half circles of diminishing sizes. Oct 21, 2019 - Explore David Ogawa's board "Antenna, Grey-Hoverman", followed by 164 people on Pinterest. [Thanks, Paul!] Feb 15, 2021 · Extended Hoverman HDTV UHF antenna. Antenna Design and original EZNEC file posted by 300ohm> on Note that these reassignments are true nationwide, though the actual UHF frequency that 2,3,4 and 5 will be reassigned to depend on what other channels exist in that market. Gray Hoverman TV Antenna Active Element Assembly Jig (homemade, subject of another Instructable) 8 Gray Hoverman TV Antenna Active Element Copper Links (homemade, subject of another Instructable. #3. Feb 23, 2021 · Show activity on this post. Building the Antenna. pdf), Text File (. Dec 24, 2010 · Tv Antennas and Reception. Those made from thickwall tubing will yield a zigzag weighing about 153 grams [5. Your TVFool report shows that you have very weak signals in BOTH. US2964748A 1960-12-13 Wide band aerial. This is the last of several Instructables covering construction of this antenna that receives UHF stations and, optionally, those in the high end of the VHF ban… Jan 16, 2009 · DB-8 is an 8-bay bowtie reflector made by Antennas Direct (data from HDTVPrimer site) DBGH is a Double Bay Gray Hoverman (data from 300ohm - a DHC member) * is the listed gain on Channel 51 (antenna not designed for 52 and higher) M-8 is a DIY 8-bay 52x40 5 inch space angled Reflector & Elements 17in 450 ohm feed (data from mclapp - a DHC member) Gray-Hoverman is an easy to build wideband UHF antenna. For some detailed discussions and tips about antenna construction, check out this forum: OTA Build-It-Yourself The design presented here is an alternative to a double-bay Hoverman antenna. 3) significantly narrows the horizontal beam-width angle, as shown in Fig. US3573839A 1971-04-06 Foreshortened log-periodic antenna employing inductively loaded and folded dipoles. That is, the antenna combination, like a horse wearing blinders, "sees" fewer interfering signals arriving from the sides while its vision up and down (in a vertical plane) is virtually unaffected. Back to the Hoverman, a Single bay antenna consists of a single elemental pairing, where a Dual bay consists of two sets of elements joined together to increase gain. It can catch various frequencies including ATSC, TV, ISDB-T, etc. The astute observer will note in the photos that the spine has only three holes for accepting the element supports, while there should be five. Jun 14, 2009 · The Y5 needs a coax matching transformer; the C5 doesn't. 91 inches. In this adorable little video, makers in the making, Naomi and Noah, show you how, proving that it’s so easy, even a child can do it (with a little prompting from dad behind the camera). Repeat the steps to complete the other end of the antenna's plastic frame. Feb 24, 2008 · Building a Gray-Hoverman Antenna - tips & tricks OK. I use the four Jan 22, 2015 · This video shows how I designed, modeled, and built a Gray-Hoverman antenna for TV reception. Step 1: Tools and Materials. For the example below, I used the Create > Loop feature of EZNEC to produce numbered segments, each of which is further broken down (see the green Jun 15, 2012 · I constructed a copy of Dual Band DK7ZB 144 / 430 MHz yagi antenna with gain 9 to 10 dBi, MAX SWR 1. In this case, a value such as 300mm in the table would become 329mm, or 12 and 15/16 inches. If you don't want to page through the forum searching for the information, do a Google search on the words "Gray-Hoverman VHF fractal antenna" without the quotes. The Hoverman design is in the public domain. VINTAGE VHF ANTENNAS Feb 13, 2020 · The TV antenna, whether it’s indoor or outdoor, costs less than $100 with many indoor models well under $30. I spent all day building this DBGH. The time and effort needed to make the jig will pay off in the quality and consistency of the elements produced, and the jig can be used many times if friends or May 1, 2008 · Stack two Gray-Hoverman antennas and the model shows better in-core UHF performance than the popular Channel Master 4228 8-bay bow-tie antenna. This is the last of several Instructables covering construction of this antenna that receives UHF stations and, optionally, those in the high end of the VHF ban… Two excellent antennas that come to mind are the Channel Masters 4221 and 4228 antennas. that also covers Ch5, if it's on your list of "must have" channels. It has a DIY configuration, which means you can install it all by yourself. Apr 6, 2008 · The Gray-Hoverman Antenna for UHF Television Reception is an improved version of the original Hoverman antenna, and thanks to a little help from computer modeling, users are reporting some fairly Step 6: Trim your antenna to the lines. Reflections off of buildings mountains and etc. Watch this video and fi Oct 6, 2007 · 300 ohm: I could use some help on selecting the best gray hoverman from all the choices. Feb 28, 2016 · The GH is a great antenna. I test both antennas on at a time in the same spot, at the same height and in the same direction. Please note the straight reflector at the top and bottom that is 6 millimeters from the antenna elements. However, I have some old useless aluminum yagi antennas and I figured Id try to use the aluminum elements from the yagis instead of copper piping since I don't have any. The tradeoff is that the gain of the Gray-Hoverman antenna falls off rapidly at higher channels, and especially above Channel 54, where it has less gain than the 4228. This is one of three Instructables that describe my method for producing consistent, quality elements that are lightweight, durable, have the desirable sharp corners and have holes for mounting the elements to the antenna's framework. I might have built 20-30 different models, mostly out of fun. -v. cause a horizontal tv transmission to change from horizontal to some other plane. Here are some tips compiled from my build of a GH6 antenna having straight NARODs, but these hints can be useful no matter which of the many variations you build. The pipe is 3-1/2" long; the grommet I. With local channels free, that’s a great deal for consumers looking to cut expenses. Total cost of this super antenna is about $20 and a little time. How true is that c Dec 18, 2012 · The following design was invented in the 1960s by an engineer named Doyt Hoverman. The modeling results did not find any positive net gain for VHF Low channels 2-6 nor for VHF High channels 7-0DH. 5λ shown in Figure 2. The modeling results did not find any positive net gain for VHF Low channels 2-6 nor for VHF High channels 7-13. The accuracy of your results will depend on the size of the segments relative to the wavelength of operation. This is the last of several Instructables covering construction of this antenna that receives UHF stations and, optionally, those in the high end of the VHF ban… Apr 20, 2023 · Antenna hoverman tvAntenna hoverman gray 70cm band qrp dbd very easy Antenna hoverman tv uhf diy hdtv plans vhf gray antennas homemade digital build dtv fractal radio ham zigzag template elementOriginal gray-hoverman build plans, tips, tricks, diagrams, photos. , TV or radio) waves. Combo Hi-VHF & UHF Antenna Simulation Runs using 4nec2 for JUST the Ch9-10 Optimized Version. His work would have been entirely created and improved by field testing, trial and error, and with a great amount of calculation without the I've built several antennas: Gray-Hoverman, modified GH, Stealth Hawk, modified Stealth Hawk, Kosmic SuperQuad (current one) and a Tube Bowtie. You can play with this shape if you like. Build of Gray Hoverman UHF Antenna. Feb 15, 2021 · The designs presented on this page are Hoverman-style HDTV antennas that utilize a gapless reflector making them easier to build than my revison-2 designs. See more ideas about tv antennas, antennas, diy tv antenna. A UVSJ combiner will merge the cables from each antenna into a single downlead. It runs about $85 on eBay. 1913), the man who created and did the early work on the Hoverman antenna at a time when antenna modeling programs did not exist. Apr 23, 2009 · One of the designs resulted in an antenna that has an overall width of 70 inches and an overall height of 86. For example, to use the antenna at 525 MHz, multiply all the measurements by 575/525 = 1. 3 oz], from thinwall tubing 113 grams [4 This is how I prepare quarter-inch outside diameter copper tubing links that form the zigzag active elements for a Gray-Hoverman tv antenna. doc), PDF File (. As in the slotted cylinder antenna, the length of the slot for resonance is more than λ/2 (about 0. The original patent # 2918672 claimed UHF and VHF reception. There I take a look at your current More Powerful Antenna. I'm currently working on my first build of j3d's gapless GH10, which seems (to me) a lot easier than Dec 16, 2012 · Originally Posted by holl_ands /t/1445720/woodstock-il-db4-db8-or-gray-hoverman#post_22712206. Thanks for checking out my YouTube channel! Here you'll find tons of videos related to antennas and cord cutting. Gray-Hoverman Antenna | Performance | Designs, Schematics, And Diagrams | Join the Digital Forum Discussion The Gray-Hoverman Antenna Designs, Schematics, And Diagrams Nov 14, 2011 · Dec 4, 2012. It’s essentially a Mohu Leaf that has been made pretty. ca, and there is a whole forum section dedicated to OTA antenna design. US2411976A 1946-12-03 Broad band radiator. Stacking non identical antennas gives much less gain than stacking identical antennas. Two versions are presented here: a single bay design utilizing 12 reflector rods, and a double bay version consisting of 16 reflector rods. Drill a seven eighths-inch diameter hole at the marks on the two vertical lines. It's been referred to as "unbeatable" by Danny himself. I built the DBGH (Double Bay Gray Hoverman) and it has been my best antenna ever. Antenna types, a list of the many different types of radio and microwave antennas. Hoverman (b. 7λ by 0. Located between two markets I would wear out the rotor going back and forth and this works well. Antennae Galaxies, the name of two colliding galaxies NGC 4038 and NGC 4039. Waves. 2 inch screen reflector gap or the array for the gen2 rev 2 Gh10 array with a screen reflector gives the best gain. From what i seen, the original with about 95mm center spread of the array and . D. In addition to my YouTube channel I offer an antenna recommendation service on my Feb 15, 2021 · The antenna I build was designed for MURS and was optimized for low SWR, high gain and front-to-back ratio on the first 3 MURS channels. The 1080 isn't in the same league on UHF as the CM 4221 or DB-4 and its VHF performance is, frankly, poor. The free ends are 142 millimeters. This converts the two leads in the antenna to coax. Gray-Hoverman is an easy to build wideband UHF antenna. See more ideas about antenna, tv antenna, diy tv antenna. Hoverman measurements. h. This version of a HDTV antenna uses amateur radio antenna building techniques to make a lightweight structure. Together, these antennas will perform much better than an HD-1080. With this antenna you can cover 75 to 100 miles to get the desired channels. Invented and first patented by engineer Doyt R. Mar 11, 2008 · The original Hoverman antenna design did not have a reflector and used a driven array of 56" segments with eight zig-zag 7" sub-elements. This is the last of several Instructables covering construction of this antenna that receives UHF stations and, optionally, those in the high end of the VHF ban… Jan 7, 2017 · In this video and I show you how to make the Gray Hoverman Narods Top Hat. The Doyt-Hoverman antenna design will receive both vertical and horizontal plane transmissions. As I intended to construct the antenna from bronze brazing rod, the wire diameter was fixed at 1/8 inches. I hope that it will be sufficient for holl_ands to answer your question. Cheap RCA pre-amp at the antenna helps with the weaker stations. I use the four Jan 29, 2007 · The gray hoverman is a series of half squares set on top of each other. Without Reflector; Field of view 120° forward and backward. And it’s cool. The gray hoverman w/ narods will improve VHF gain. g. Step 10: Rod Holder for SNAP Antenna. This one isn’t truly a home-built antenna, but it is a DIY project. DBGH (Double Bay Gray Hoverman) with 28 Reflector RODs (3/8-in O. It has a very high gain but a much narrower bandwidth at its design frequency. Comparing the Batwing Antenna to a simple Turnstile Antenna, each dipole (from Turnstile Antenna) is equivalent to a slotted sheet about 0. US3193831A 1965-07-06 Logarithmic periodic antenna. . Mar 17, 2008 · So a bunch of television antenna heads have come up with a massively improved design for a UHF antenna which they say blows away current designs. May 15, 2015 · DIY Antenna Plan #4: Paper. Microwave antenna, a physical transmission device used Jan 5, 2013 · Read about the resurrection of an 1960s UHF TV antenna design that is making a comeback thanks to a few tweaks made by antenna enthusiasts. Apr 21, 2017 · Posted April 21, 2017. For alternative Ch7-8 and Ch11-13 Optimized Performance Summary & Dimensions, see last 4 images on this web page. Feb 18, 2019 · Thank you for the additional information. I found it interesting that the WVNY signal is LOS because of the high elevation of the transmitting tower, but small changes in location in your area can make a considerable difference in the strength of the received signal. Jun 15, 2017 · Gray Hoverman and Fractal Bowtie comparison. I made the center first using 3 way connectors so I could put a short piece of pvc and another 3 at the end to use as the support for the driven Step 9: Make the Other End of the Frame. Jul 8, 2009 · Is it possible to stack one Bowtie and Gray Hoverman, and vice versa for a better performance of reception. This is the last of several Instructables covering construction of this antenna that receives UHF stations and, optionally, those in the high end of the VHF ban…. Turns out you can make antennas out of anything. Antenna hoverman gray pm postedAntenna hoverman gray uhf tv vhf dimensions wideband narod cutting chart milimeters built antennas Original gray-hoverman build plans, tips, tricks, diagrams The Gray Hoverman Antenna System provides high gain for UHF TV signals in a compact design suitable for indoor use. Over distance a horizontal tv transmission will rotate through oblique angles. A pencil with an eraser helps too. Some are hat shaped. From my rural area it picks up 48 channels/subchannels when aimed at transmitters 46 miles north on the far side of Washington,… The Gray-Hoverman homebuilt TV antenna can be assembled from common plastic plumbing pipe and fittings. The original Hoverman antenna design did not have a reflector and used a driven array of 56" segments with eight zig-zag 7" sub-elements. This will make it easier for the PEX to slip inside the CPVC and for the CPVC to later be forced into its 0. Mar 29, 2022 · This video tells how the build the Hoverman Over The Air TV antenna - Its the best antenna that I found - it receives from both directions getting all 69 local stations in San Diego. The pipe assemblies snap into the GH10n3 SNAP antenna frame. Hoverman, the man who created and did the early work on The Hoverman antenna. My builds/plans (not the latest models) are located here. Also used NARODs to get VHF. One of our most searched-on and linked-to subjects is how to make a Gray-Hoverman DTV antenna. Can't seem to get the store-bought antennas to work very well anyway. Gray Hoverman TV Antenna Final Assembly: The Gray-Hoverman antenna final assembly is straightforward once all the parts are made. The terminals are at F F. Gray-Hoverman, the wideband TV antenna. Sand or file the ends of each piece of PEX and CPVC into a taper. B = 3-15/16 in. is 5/8". This coat hanger antenna isn’t a project of my making, I merely wanted to comment on it in this space. f. What’s more they’ve gone and released the design for this New Gray-Hoverman Super Antenna via a GPL license so it’s free for all. Antenna (radio), also known as an aerial, a transducer designed to transmit or receive electromagnetic (e. This scaling applies to all the numbers. Jan 4, 2013 · Build the venerable Hoverman TV antenna and watch digital broadcast high definition HDTV television this weekend. Hoverman in 1959, the device is called a "super antenna" because it greatly increases the range and number of channels you can pick up. Dec 18, 2007 · Introduction to the Gray-Hoverman TV Antenna. television antenna. The design presented here is an alternative to a double-bay Hoverman antenna. Hd Antenna Diy. It can handle UHF and VHF signals. If you're in middle Atlanta, I'd suggest a basic loop antenna and see what you get. Apr 6, 2008 · The Gray-Hoverman Antenna for UHF Television Reception is an improved version of the original Hoverman antenna, and thanks to a little help from computer modeling, users are reporting some fairly Step 4: Drill Then Draw Some More. These are Single Bay and Dual Bay types, based on the bowtie technology. 625 inch diameter mounting holes in the antenna's PVC spine. Choose your tape (cheap is OK) and tape your antenna to the board. This project is dedicated to Doyt R. At the top edge of the lower hole, draw a horizontal line to the left for six inches long. You can buy baluns for very little. This is a fix on how to improve the VHF signal with out affecting the UHF TV anten Nov 23, 2020 · This is my review of Danny Hodge's Ultimate TV Antenna. 5:1 but you have to tune all antennas with a digital SWR meter for the band 200 MHz to 1GHz that Gray Hoverman - Free download as Word Doc (. Step 5: Taper the Ends and Slit the Plastic Tubing. Oct 14, 2009 · If you want greater understanding of how this antenna and the Gray-Hoverman works, please goto digitalhome. I was wondering if I could get some feedback from anyone using a similar antenna as to its performance. 5 lbs, it easily fits in Here you'll find tons of videos related to antennas and cord cutting. Here is a comparison of gain figures (on selected channels) measured by some knowledgeable folk over at the Digitalhome forums using the venerable Channel Master 4228 as standard: Jan 16, 2009 · DB-8 is an 8-bay bowtie reflector made by Antennas Direct (data from HDTVPrimer site) DBGH is a Double Bay Gray Hoverman (data from 300ohm - a DHC member) * is the listed gain on Channel 51 (antenna not designed for 52 and higher) M-8 is a DIY 8-bay 52x40 5 inch space angled Reflector & Elements 17in 450 ohm feed (data from mclapp - a DHC member) Feb 13, 2023 · The Gray-Hoverman Single and Double Bay UHF Antennas This is the original Gray-Hoverman antenna, as refined from the original Hoverman designs by member Autofils. If you’re looking for an antenna a bit more advanced and better suited for weaker signals, check out the Gray-Hoverman antenna: The Gray-Hoverman Antenna for UHF Television Reception; Construction Forums. [via Slashdot] “Boy, this antenna is hot. There are also some pictures of the antennas. I finally got it pointed Dec 24, 2010 · Tv Antennas and Reception. This is the original Gray-Hoverman antenna, as refined from the original Hoverman designs by member Autofils. txt) or read online for free. A length of 1/2" CPVC pipe, two caps and two rubber grommets grip and support each reflector, aluminum tape wrapped over 5/16" dia fiberglass rod. The antenna offers sufficient gain for DVB-T, DVB-T2, ISDB-T and ATSC reception. Measured at less than 30"x30"x6" and under 1. OTA, CM4221HD, 3410 amp, 4 way split, HW This is my third antenna and I think it is the better of the three. I made a shape similar to the square shooter and after much tinkering ended up with something that was slightly better than the other antennas I built but around 9" x 9". 7λ). og wv lm jq dz sw iq fu nx ja