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Rain Shield at 0ºF Superhydrophobic coating

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Uploaded by on Jan 19, 2008

Because of sub zero temperatures and ice and snow on the ground and roofs satellite installation has about came to a halt here MN. I want to be installing and servicing satellite systems for MANY years to come so I will just not risk it in this extreme weather (-0ºF) It's just not worth it for TV.

Anyway I got to thinking, what if there was an ice storm right now and how would it affect a satellite dish?

One half of this dish is coated with Rain Shield and the other is not. As you can see the untreated side quickly gets coated in layers of thick ice. It just gets thicker and thicker the more water comes into contact with it. If the temperatures do not change this ice will remain on the dish for days and sometimes longer! On the Rain Shield treated side you can witness the water freezing on impact into little balls of ice. You can also notice that when these beads of ice get too heavy they simply fall off the dish (In a real ice storm the wind would also help clear the ice beads). The moment there was any kind of sunshine the Rain Shield area cleared but the other side remained thickly covered in ice. Not only will ice on the dish affect your signal but the weight of this ice will pull your dish slightly out of alignment in elevation. I think the temperature was causing trouble with the camera.

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Science & Technology

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Uploader Comments (psb2usa)

  • Is the signal or picture quality affected with the use of the Rain Shield Treatment?

  • Not not at all, signals are digital like...... 0000001110101011100111

    You get them you have a perfect picture, you start to miss some your picture breaks up. But the digital quality is the digital quality no matter what, I have not missed a beat and its be real bad weather here recently : )

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  • use a water hose or something with some good pressure!

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