Gray hoverman

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GRAY-HOVERMAN, THE WIDEBAND TV ANTENNA

  • The Gray-Hoverman antenna has been designed by Doyt R
  • Hoverman and it was patented in the sixties
  • His design only covered a part of UHF band
  • However, with some improvements, the antenna can receive well both the UHF as well as VHF-Hi
  • This post will show two variants of this antenna that can be used to receive 170

Idc-online.com   DA: 18 PA: 50 MOZ Rank: 69

Gray Hoverman TV Antenna Plastic Crafts : 12 Steps

  • The Gray-Hoverman homebuilt TV antenna can be assembled from common plastic plumbing pipe and fittings
  • 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.

Instructables.com   DA: 21 PA: 41 MOZ Rank: 64

Gray Hoverman Antenna build

  • I decided to build the Gray-Hoverman antenna after seeing the published simulation results
  • Compared with my previous antenna, I found that channel 3-1 from Philadelphia came in with a noticably stronger signal
  • Please note that fringe television reception is very tricky.

Dudley.nu   DA: 13 PA: 29 MOZ Rank: 45

"Channel Cut" Gray-Hovermans Canadian TV, Computing and

CM Narrow Band Gray-Hoverman UHF Antenna CM Optimized for 539 MHz, UHF Channel 25 CM AWG Gauge 6 Copper Wire Elements CM 6 pairs of 3/8 inch Aluminum Reflectors CE GW 1 17 0 0.071 0 0 0.254 0.183 2.0574e-3 GW 2 17 0 0.254 0.183 0 0.076 0.361 2.0574e-3 GW 3 15 0 0.076 0.361 0 0.229 0.514 2.0574e-3 GW 4 11 0 0.229 0.514 0 0.384 …

Digitalhome.ca   DA: 18 PA: 43 MOZ Rank: 65

Gray Hoverman Homemade Antenna SatelliteGuys.US

  • The gray hoverman should work better than the bow ties because the individual bits of it are closer to circular
  • Each side of each channel master bow tie is half of a squished diamond shape
  • The gray hoverman is a series of half squares set on top of each other
  • The square shooter is made up of a number of half circles of diminishing sizes.

Satelliteguys.us   DA: 20 PA: 50 MOZ Rank: 75

Hoverman HDTV UHF antenna

The Hoverman antenna was invented in the 1950s by Doyt Hoverman before the advent of computer modeling, and appears to be a variation for UHF of the much earlier Chireix-Mesny shortwave antenna.In late 2007 and through much of 2008 the Hoverman antenna was subjected to computer modeling and a number of improvements were made by a small group …

Jedsoft.org   DA: 15 PA: 25 MOZ Rank: 46

Hoverman TV Antenna Measurements

I built the Gray Hoverman single bay antenna with a PVC frame using a split screen wire mesh reflector, mounted it in the attic and it was able to drive 5 televisions with no amplifier! I added 2 NARODS cut 1/2 wavelength for ch 7 and folded several inches on the ends to match the length of the Hoverman elements on the top and bottom spaced

Hamradio.me   DA: 15 PA: 47 MOZ Rank: 69

Hoverman TV Antenna

  • Hoverman explains his example dimensions cover UHF TV channels 14 to 35 – 470 to 602 MHz
  • Recognizing the frequency limits of his antenna design, Hoverman suggests to scale the dimensions smaller for the higher channels
  • In other words his original antenna was unable to cover the entire UHF band
  • What Hoverman could never have known is how

Hamradio.me   DA: 15 PA: 36 MOZ Rank: 59

Extended Hoverman HDTV UHF antenna

  • The design presented here is an alternative to a double-bay Hoverman antenna
  • It has a very high gain but a much narrower bandwidth at its design frequency
  • Pictured below is a schematic of the proposed antenna (dubbed X-GH8) along side …

Jedsoft.org   DA: 15 PA: 26 MOZ Rank: 50

RC: Gray Hoverman Antenna improved again! (Page 1 of 5)

  • The Gray Hoverman design is based on the Hoverman patents but we are waaaaay past that into a range of performance that beats any comparable commercial antenna (the SBGH smokes the CM4221, the DBGH smokes the CM4228) and any other DIY antenna project of similar requirements

Remotecentral.com   DA: 21 PA: 33 MOZ Rank: 64

Gray-Hoverman Antennas

  • Gray-Hoverman Antennas Original Hoverman variations, incl Antennacraft G-1483 and Radio-Shack 15-1627, SBGH (Single Bay Gray-Hoverman) and DBGH (Double Bay Gray-Hoverman) analyzed for Hi-VHF and UHF performance using 4nec2
  • I have avoided replicating G-H results found elsewhere
  • Much more info can be found here:

Imageevent.com   DA: 14 PA: 23 MOZ Rank: 48

The Gray-Hoverman Antenna For UHF Television Reception

  • The Gray-Hoverman Antenna For UHF Television Reception March 11, 2008 Updated March 22, 2008 (corrected SBGH performance plots) This project is dedicated to Doyt R
  • Hoverman (b.1913), the man who created and did the early work on the Hoverman antenna at a time when antenna modeling programs did not exist.

Digitalhome.ca   DA: 18 PA: 21 MOZ Rank: 51

The Gray Hoverman Antenna Construction for Meteor …

  • The Gray-Hoverman antenna has been designed by Doyt R
  • Hoverman and was invented in the 1950s and it was patented in 1960s
  • This antenna covered a part of UHF band which covers from 300 to 3000 MHz and shows high performance for most Digital / HD channels broadcasting [14]

Worldscientificnews.com   DA: 27 PA: 49 MOZ Rank: 89

Gray-Hoverman (and other antennas) Development

  • While it's not the original Gray Hoverman Antenna design on the web, Dr
  • Davis (aka j3d) has done his fair share to advance the state of the art in this particular antenna design
  • Through numerical methods, he has developed a series of models that specify optimized antennas for the post-transition UHF Spectrum

Gray-hoverman.blogspot.com   DA: 26 PA: 26 MOZ Rank: 66

SINGLE-BAY GRAY-HOVERMAN ANTENNA

190.5 mm 190.5 mm 127 mm 127 mm 127 mm 20mm 44mm 127 mm 127 mm 127 mm Feed Reflectors (Green) Author: Doug Lung Created Date: 4/8/2008 10:48:58 PM

Xmtr.com   DA: 12 PA: 24 MOZ Rank: 51

Gray-Hoverman home built UHF TV antenna.

  • Gray-Hoverman home built UHF TV antenna
  • This is my home built UHF TV antenna
  • Plans for several variations are readily available with a Google search
  • I picked this design and used 1.25" EMT electrical conduit from a big box home improvement store for the pole

Uhfantenna.blogspot.com   DA: 23 PA: 50 MOZ Rank: 89

Gray-Hoverman vs mclapp

  • The Gray-Hoverman antenna is well worth the effort to build
  • It does look like the one in the picture is over engineered, but it would last for years if erected outdoors
  • Below is a link to the one I built, and it is much simpler than the others I have seen and a lot cheaper to build
  • The only thing I actually had to buy was a $ 2.50 balun.

Dtvusaforum.com   DA: 19 PA: 39 MOZ Rank: 75

How to Build a $20 Super Antenna for Better Signal

  • How to Build a Gray-Hoverman Super Antenna Putting it together is easy
  • In addition to the foam core board and copper tape, you'll also need a really cheap balun transformer (which you can get at any electronics store), two wood screws (or solder) to attach it, and a coaxial cable to connect it to.

Macgyverisms.wonderhowto.com   DA: 28 PA: 50 MOZ Rank: 96

Gray Hoverman antenna with NARODs for VHF (drawing) Tv

  • Gray-Hoverman, the wideband TV antenna
  • Gray-Hoverman is an easy to build wideband UHF antenna
  • By adding some additional elements called NARODs you can also receive VHF band
  • The antenna offers sufficient gain for DVB-T, DVB-T2, …

Pinterest.com   DA: 17 PA: 24 MOZ Rank: 60

Homemade Gray-Hoverman TV antenna

  • This video shows how I designed, modeled, and built a Gray-Hoverman antenna for TV reception
  • Exceeded the performance of a Channel Master 4-bay antenna!Add

Youtube.com   DA: 15 PA: 6 MOZ Rank: 41

Anyone using a Gray-Hoverman antenna for OTA TV

  • Post subject: Anyone using a Gray-Hoverman antenna for OTA TV? Posted: Oct Mon 26, 2015 2:25 pm
  • Joined: Jan Thu 01, 1970 1:00 am
  • Location: Pocasset, Cape Cod, MA
  • Construction plans are on several websites
  • I threw this one together yesterday and am impressed with its performance but haven't played around

Antiqueradios.com   DA: 17 PA: 21 MOZ Rank: 59

Yagi vs Bowtie/Gray-hoverman for long distance Rx

  • Log-Yagis tend to be preferred for VHF because multi-bay bowties and Hoverman-style antennas get very unwieldy at those frequencies
  • The bowtie and Gray-Hoverman are preferred by do-it-yourselfers because they're much easier to build than a yagi/corner-reflector or UHF log-periodic
  • You can certainly stack yagis, and you can make a …

Avsforum.com   DA: 16 PA: 50 MOZ Rank: 88

HOW TO MAKE THE GRAY HOVERMAN TV ANTENNA

  • This is a easy TV antenna to build picks up VHF and UHF .Tested at 60 miles away from TV towers
  • Air TV channels transmit on frequencies ranging from 170 MHz

Youtube.com   DA: 15 PA: 6 MOZ Rank: 44

DBGH Hi-VHF & UHF Combo

  • DBGH Hi-VHF & UHF Combo - 300ohm
  • DBGH (Double Bay Gray Hoverman) with 28 Reflector RODs (3/8-in O.D.)
  • Simulation Runs using 4nec2 for JUST the Ch9-10 Optimized Version
  • For alternative Ch7-8 and Ch11-13
  • Optimized Performance Summary & Dimensions, see last 4 images on this web page.

Imageevent.com   DA: 14 PA: 33 MOZ Rank: 71

Modelling the Hoverman Antenna with 4NEC2

  • Modelling the Hoverman Antenna with 4NEC2
  • When a link was provided to the second Hoverman antenna patent #3,148,371, I modelled it using Arie’s 4NEC2 software, with some variations suggested by the DigitalHome.ca gang
  • As a baseline, I already had a model for the DB2 bowtie antenna, so I ran this simulation first..

Qsl.net   DA: 11 PA: 24 MOZ Rank: 60

Gray-Hoverman Antenna -- Materials List

Gray-Hoverman Antenna -- Materials List Cut the following pieces from the lengths of pipe listed above: Plumbing supplies department: Garden supplies department: Electrical department: Title: Gray Hoverman Antenna Parts.xls Author: cctsyr1jsh Created Date:

Mikeyancey.com   DA: 14 PA: 48 MOZ Rank: 88

Gray-Hoverman, the wideband TV antenna Digital antenna

  • Gray Hoverman TV Antenna Final Assembly: The Gray-Hoverman antenna final assembly is straightforward once all the parts are made
  • This is the last of several Instructables covering construction of this antenna that receives UHF stations …

Pinterest.com   DA: 17 PA: 24 MOZ Rank: 68

Hot Find: The Gray-Hoverman HDTV OTA Antenna AVS Forum

The Gray Hoverman design is based on the Hoverman patents but we are waaaaay past that into a range of performance that beats any comparable commercial antenna (the SBGH smokes the CM4221, the DBGH smokes the CM4228) and any other DIY antenna project of similar requirements.

Avsforum.com   DA: 16 PA: 50 MOZ Rank: 94

TV Receive Antennas TV Tech

  • 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
  • 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.

Tvtechnology.com   DA: 20 PA: 29 MOZ Rank: 78

Gray Hoverman UHF Antenna Hackaday

  • I have designed and computer modeled a vhf-hi and uhf combo version of the Gray Hoverman
  • Ive also design and computer modeled a fractal version of the GH too
  • And there is a vhf-hi and vhf-hi

Hackaday.com   DA: 12 PA: 38 MOZ Rank: 80

RC: Gray Hoverman Antenna improved again! (Page 5 of 5)

  • John E Davis (jedsoft.org) has several antennas based on gray-hoverman
  • It appears that the frequency can be adjusted by altering all dimensions by the ratio of new/old frequency
  • Look at [Link: jedsoft.org] and search for the heading "A Narrow-Band Hoverman" I have had a number of requests for this antenna for use at other frequencies.

Remotecentral.com   DA: 21 PA: 33 MOZ Rank: 85

Find Best Ideas For Diy Gray-hoverman Antenna Plans

  • Gray-Hoverman, the wideband TV antenna · One Transistor best www.onetransistor.eu
  • Gray-Hoverman, the wideband TV antenna
  • Gray-Hoverman is an easy to build wideband UHF antenna
  • By adding some additional elements called NARODs you can also receive VHF band
  • The antenna offers sufficient gain for DVB-T, DVB-T2, ISDB-T and ATSC reception.

Diyfaqs.com   DA: 15 PA: 32 MOZ Rank: 79

Any information on the performance of the Gray-Hoverman

  • For homemade UHF performance, I would go for either the actual Gray Hoverman or the 4 bay bowtie (as featured on the sidebar)
  • Adding a reflector to either would improve your gain and reduce your noise pickup

Reddit.com   DA: 14 PA: 50 MOZ Rank: 97

DIY Gray-Hoverman antenna

  • In 2008, online discussion forum members began optimizing the Hoverman design using antenna modeling software
  • Someone apparently named Gray produced a design that was released under public license as the Gray-Hoverman antenna
  • The discussion forum responded positively
  • I finally got it pointed right.

Hubski.com   DA: 10 PA: 11 MOZ Rank: 55

brainwagon » The Gray-Hoverman Antenna For UHF Television

  • The Gray-Hoverman Antenna For UHF Television Reception – Digital Home Canada
  • Addendum: Here’s a link to the general dimensions for the single bay version
  • It’s got two layers: he first has a pair of zig zag elements, and the “reflectors” are 100mm behind
  • Should be quite simple to fabricate.

Brainwagon.org   DA: 14 PA: 50 MOZ Rank: 99

» DTV Antennas Professor Mark Csele

  • The ideal antenna for the job appeared to be a Gray-Hoverman (G-H), a design from the later 50’s / early 60’s and one resurrected by Canadian enthusiasts in the late 2000’s around the time of the digital conversion
  • The radiation pattern of this antenna includes a very strong gain in the forward direction (about 14 dBi) and a rather odd

Technology.niagarac.on.ca   DA: 29 PA: 34 MOZ Rank: 99

Antennas: Back to the Future TV Tech

  • TV receive antennas are one of the most popular topics based on the number of emails I receive from readers
  • Many times they will request additional information on antennas I wrote about years ago— the Gray-Hoverman covered in 2008 or the high gain wire rhombic I covered in 2006

Tvtechnology.com   DA: 20 PA: 36 MOZ Rank: 93

An Analysis of Radiation Pattern and Standing-Wave Ratio

  • Gray Hoverman’s antenna is an open source antenna which was born from community of innovation
  • The antenna originally was designed by Doyt R
  • Hoverman's original design for a television antenna was granted US patents on 22 Dec 1959 and on 8th

Worldscientificnews.com   DA: 27 PA: 49 MOZ Rank: 12

Mayhem Creations

  • The Gray-Hoverman starts to decline in gain with going above channel 50
  • Since there are a few channels I want to try and get that are in the upper region of the UHF band, I may have better luck with the Mclapp
  • The second reason, and I have to double check this is that the Mclapp is also slightly better at getting VHF-Hi channels, and analog

Sites.google.com   DA: 16 PA: 35 MOZ Rank: 90

Poor F/B ratio of a UHF TV 8 bay bowtie antenna; how to

  • That Grey Hoverman looks suspiciously like the one I built back in 2008
  • Later on when they changed channels I built a 4 el colinear which was somewhat smaller with the same gain but single freq
  • I get Virtual channel 26 (WETA-HD) most of the time from DC from 50 miles west of DC over 2 ridges
  • It fades sometimes (digitally).

Forums.qrz.com   DA: 14 PA: 10 MOZ Rank: 64

DIY HDTV Antenna AnandTech Forums: Technology, Hardware

  • One that has garnered a lot of attention from DIY people is called the Gray-Hoverman antenna
  • There are several variations on it since it was first proposed about 60 years ago by its creator
  • Current design variants include near-fringe and deep-fringe signal areas, wide-band and narrow-band versions, etc
  • Search on the web for Hoverman or Gray

Forums.anandtech.com   DA: 20 PA: 34 MOZ Rank: 95

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