I 77 Digital Billboard Interference

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Uploaded by on Nov 22, 2010

100-200mhz sweep of a billboard located on the east side of interstate 77 in Cuyahoga Heights Ohio. Baselines at -100dBm and peaks are around -75 with a distance of 30-50 meters. 88-108 FM radio on the left, DTV ch's 7,8,10 on the right

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  • baseline is -100dBm, antenna is a 150-162 1/4 wave vertical. Spectrum analyzer analog HP 8558 . On the left of the sweep is the 88-108 FM band and to the right, DRV channels 7,8 &10 > This is not the only dirty one, the one on the east side of 271 at Solon rd is also generating a lot of noise.

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