Rather than using a program, I tuned my PVR250 video card to an unused channel and recorded the noise. I resized, compressed and put it here.
Maybe you can use it. The original file was 720x480 and 23 megs, this is about 3 megs

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Fav quote - "Experience is whatcha don't get 'till ya don't need it no more."

System - Athlon 1.4GHz, Win98, Hauppauge PVR250 receiver and compressor.
Software -Magix Movie Edit Pro 10, Nero 6 + NeroVision Express, Moho 4.61, PSP 8.1, Bryce, Quicktime 6.52 pro, Goldwave 5, DVD-Lab.
Cameras - Panasonic GS9, Canon ES8400V, Canon EOS D20 and Canon A70