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DIY Coat Hanger UHF HDTV OTA Antenna FTW!!!

Mike_Hawk 1,594 November 26, 2009 at 10:11 PM in Best (5)
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Decided to build a DIY Coat Hanger UHF HDTV Antenna.

Took ~1 hour to build. I'm impressed so far.





You can see my previous antenna on top of the TV. It's a Radioshack 15-1868, $23: http://www.radioshack.com/product...Id=2062081 I live ~4 miles away from the local station array and even though I'm that close, the RS antenna still had dropped signals Frown

For $4 in a Transformer (Lowe's RCA: VH54N) + stuff I already had, I'm now getting:
3 more channels, plus they were all bumped up 30-40% or more in signal strength! I'm still pulling in all my VHF channels (this antenna is really meant just for UHF). No more dropped signals! woot

Can't wait to get this sucker up in my attic and see what kinds of crazy stuff it'll pull.

Build plans and a DIY video for the coat hanger antenna:
http://vimeo.com/2931902

-edit McClapp design:
Revision 2: Here's a direct link to Mr. McClapp's design:
http://www.frontiernet.net/~mclap...20line.pdf

To make the 'whiskers' you need 8 qty 19inch long pieces of metal. The whisker's "V" should 5.5 inches apart, click here for a pic of what it looks like:
http://www.frontiernet.net/~mclap...layout.pdf

You can goto Lowe's and they have all kinds of 'finishing' type wood that's a much better spec than just a regular ole 2x4. I'm talking stuff that is like 2 inches wide by 36 inches long, by like 1/4 inch thick.

If you want to be ultra anal you could get some kind of hard plastic tubing or what not and cut off several pieces to build 'nubs' to raise the metal off the wood by 1/4 of an inch. Personally I think it's over kill.

I suggest using Romex instead of coat hangers. MUCH easier to work with.
If you get standard 2 wire romex (3 wires total), you'll need 7 feet.
If you get 3 wire romex (4 wires total), you'll need 5 feet.

In the attached pics, the Mclapp version is on the left, the bigger antenna. The coat hanger version is on the right, smaller.

33 Comments

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#2
I built the same one - unfortunately I'm 35-40 miles away from the stations I needed and this sucker didn't do too much, but I've heard from a lot of folks that have great luck with theirs. For a few minutes of work it's worth a shot. Chances are that a lot of folks will already have the balun kicking around their house.
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Peace be with you
1,594 Reputation
Original Poster
#3
Shameless Bump
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#4
Quote from mike_hawk View Post :
shameless Bump
RE











:p
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#5
I built one several months ago, too, and though it's not the prettiest antenna by a long shot, they work really well!
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#6
I'll give this a try. My brother doesn't have cable and his signal is crappy.
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#7
SNES, N64, XBOX 360, gamecube, NES, panasonic 3do, ps2
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#8
I built one of these like a year and a half ago. The wires kind of got corroded or w.e but it's still running pretty good.
My dad built 3 more and they're working fine as well.

Tip to people, don't buy/use plastic coated coat hangers. PITA to remove the plastic.
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Peace be with you
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Original Poster
#9
Quote from druggist View Post :
SNES, N64, XBOX 360, gamecube, NES, panasonic 3do, ps2
nod
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#10
Hi thanks for your nice posting. These product information is very much useful for me. And I think it will helpful for more people also. Thanks for your review.
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#11
I got the exact same one I built - Works better than the one I bought from Monoprice. My girl calls it Alien Spider while weaving it over her head. Smilie
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Peace be with you
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Original Poster
#12
There's also a "Mclapp Design" that you can build using Romex, it's bigger.

More details/pics:
http://www.avsforum.com/avs-vb/sh...?t=1200448
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#13
Quote from Mike_Hawk View Post :
Decided to build a DIY Coat Hanger UHF HDTV Antenna.

Took ~1 hour to build. I'm impressed so far.





Build plans and a DIY video:
http://vimeo.com/2931902
very interesting
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My # is bigger than yours
6,149 Reputation
#14
Quote from Mike_Hawk View Post :
There's also a "Mclapp Design" that you can build using Romex, it's bigger.

More details/pics:
http://www.avsforum.com/avs-vb/sh...?t=1200448
Can I pick up Chinese channels with that?
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Peace be with you
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Original Poster
#15
Maybe if you live in China Roll Eyes (Sarcastic)
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