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HDTV Coat Hanger Antenna- DIY >$9

post #1 of 3
Thread Starter 
I have HD cable at home but the wire doesn't extend to my room. I didn't want to drill holes on the wall to extend the wire since I'll be moving to a new house in a week or two. Long story short I was looking to purchase an HDTV antenna just to watch the local channel here in San Diego. Came across this site http://www.tvantennaplans.com/ and saw something really intriguing. The site gave instructions on how to build your own HDTV antenna and several people reported the antenna work really well and better than most antenna ranging from $10-$65+.

After reading several comments on the build and watching the youtube video I decided to try it myself. My brother was throwing away a dish holder made out of wood (19.5"), a little short of what's recommended. With a little cutback on the measurement, and a few coat hanger, I've successfully build a really good HDTV antenna.

The antenna detected 26 digital channels and 8 analog channels. These channels are auto tuned during heavy rain and most likely to detect more on a sunny day. Unfortunately, It'll be raining for at least 2-3 weeks straight so it'll be sometime before I can retest on a sunny day. The total cost of building this antenna is about $9. 2 package of washer from Home Depot 98 cent each. UHF/VHF transformer from radio shack for $7. You can find cheaper transformer at your local hardware store for about $1-$2. The closes hardware store to me is radio shack so I paid extra.

The Antenna
IMG_0285.jpg

The reflector is made out of cardboard and aluminum foils.
IMG_0286.jpg

IMG_0288.jpg

HDTV coat hanger antenna w/ detachable reflector
IMG_0284.jpg

The reflectors need to be 1.5" - 2.0" away from the "V Whisker" or else it'll block some of the station signals. Hope this help those who are trying to save money or having problems with their HD Antenna smile.gif

The sky cleared up a little bit and the rain has stopped for now. Auto tune the channel again and I'm now receiving 33 digital channels with 8 analogs.

12/23/10 update: The rain stopped for a few hours and the sun is shining now. Auto tune the channel and now I'm receiving 40 Digital channels!
Edited by DaRookie - 12/23/10 at 6:41pm
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post #2 of 3
You know, I've been looking at this for quite some time and was thinking about putting one together. Before the signal went digital, I had MacGyver'd a regular antenna out of a giant can of pineapples and a spare cable to hook up to my t.v..

Kudos to you sir for the money saved, the time learning, and the satisfaction of success.
SekshuaL ChokLiT
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SekshuaL ChokLiT
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CPUMotherboardGraphicsRAM
Athlon II x4 635 a la Stock Gigabyte GA-MA785GM-US2H IGP HD 4200 Mushkin ES 4x1GB 
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Spinpoint F3 500GB LITE-On iHAS 124-04 Windows 7 ASUS VW224U Black 22" 2ms 
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MS Ergonomic Natual Keyboard OCZ Fatal1ty 550w CM Storm Scout MS Sidewinder X5 
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by SpankyFantastic;11731823 
Kudos to you sir for the money saved, the time learning, and the satisfaction of success.

Thank you sir, it was fun building it and I was definitely satisfied with the results smile.gif
My System
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CPUMotherboardGraphicsRAM
Q9300 @ 3.6GHz 480FSB GA EP45-UD3P HD 6950 SOLD! Rokn 8800GT Patriot Viper DDR2 
Hard DriveOSMonitorPower
2x500 Raid0 -250 OSX Dual Window7/Snow Leopard LG 32LD350 HDTV/Samsung T240 1920x1200 Cooler Master 550W 
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Antec 900 Modded MX518 QCK+ Steel 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q9300 @ 3.6GHz 480FSB GA EP45-UD3P HD 6950 SOLD! Rokn 8800GT Patriot Viper DDR2 
Hard DriveOSMonitorPower
2x500 Raid0 -250 OSX Dual Window7/Snow Leopard LG 32LD350 HDTV/Samsung T240 1920x1200 Cooler Master 550W 
CaseMouseMouse Pad
Antec 900 Modded MX518 QCK+ Steel 
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