brian shrader: blog 
brian shrader's blog
my homemade tv antenna
Published February 11, 2009Views: 7468
I built a TV antenna this weekend.
It’s a Gray-Hoverman UHF antenna. A fellow named Doyt Hoverman (1913-1989) invented the thing. It’s supposed to be the most powerful do-it-yourself UHF antenna ever designed. The patents expired 25 years ago, and some Canadian enthusiasts have resurrected the plans, making them available for free on the Internet. I specifically used plans from an engineer (I think he’s the boss) at WSYR-TV in Syracuse, NY. He offers detailed how-to instructions.
I took the big template PDF to Kinkos late Friday, picked up supplies at The Home Depot and got to work Saturday morning. I started around 9 a.m. Around 11 a.m., I was installing the last section on the frame when I screwed it up — big time. I turned the last piece of the frame the wrong way around, and let me tell you, PVC cement dries hard and fast. I tried to pry it loose, but it was over. My frame was junk.
I ran back to Home Depot, picked up some new PVC pipes and joints, cut the pieces, started over — and about two hours later, it was done.
I raced inside to test it. From inside my house, I was picking up two Greensboro stations — 60 miles away, through walls and trees. Magnificent. I spray-painted it, mounted it on the roof, hooked it to a Channel Master 7777 preamp, and the performance is spectacular.
I get all of the Raleigh stations perfectly. When I point it at Greensboro, I get digital 2, 8, 20, 45, 48 and 61. Early Monday morning, I picked up a little bit of WXII in Winston-Salem, but it didn’t last long. I also picked up WPDE in Florence, SC. Also Monday morning, I was on the cusp of getting WWAY from Wilmington, but the signal wasn’t quite strong enough. I also got a weak, but detectable signal from WNCT in Greenville.
I combined my homemade Hoverman with my old Radio Shack U-75, using a simple two-way splitter. The Hoverman is pointed toward the east, and I’m getting a good, solid signal from WITN and all of the Raleigh stations. My U-75 is pointed west, and I’m getting my Greensboro stations. I believe it’s 34 or 35 channels, in all.
I’m going to point them around in different directions to see what happens with reception through the week, then I’m going to tighten it up and stay off the roof. I may build a second Hoverman to replace the U-75 in a while, but I’ve inhaled enough PVC primer and cement to last me a while.
Download the PDF and build your own antenna! It’s a great project. You’ll get crystal-clear, free HD programming from your friendly local broadcasters for about $30 to $40.
Filed under: Television
close35 Comments
![[no avatar]](http://wwwcache.wral.com/presentation/v1/images/golo/noavatar.gif){kind=avatar}
(6 votes) motorcyclist dies in morrisville wreck
(5 votes) etheridge to back health care reform
Welcome to GOLO, where WRAL.com visitors can comment on stories and create profile pages, blogs and photo galleries.
You must be a registered WRAL.com user to use these tools. Click here to register or log in.
October 20, 2009 1:58 p.m.
GOLO member since September 11, 2007
March 9, 2009 6:27 p.m.
GOLO member since April 1, 2008
February 11, 2009 10:40 a.m.
GOLO member since July 3, 2007
February 11, 2009 10:06 a.m.
GOLO member since July 3, 2007
February 11, 2009 9:33 a.m.
GOLO member since July 3, 2007
February 11, 2009 9:29 a.m.
That's because tab A goes into slot A, not slot B!!!
February 11, 2009 9:29 a.m.
Also, when you mention the "hardware cloth reflector", is that the wire mesh in the back?
GOLO member since April 1, 2008
February 11, 2009 9:23 a.m.
yeah, most receivers don't like impedance. lol
GOLO member since March 31, 2008
February 11, 2009 9:22 a.m.
GOLO member since May 12, 2008
February 11, 2009 9:19 a.m.
Please log in to add comment.