ADI : Spreety TV Online Glossary
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ADI ABBR. n.
The collection of one or more US counties over which local television station
signals dominate signals of the same frequency from other markets; a television
station’s broadcast area. Since each county belongs to only one ADI, the sum of
all ADIs covers the entire US. Established by Arbitron in 1958. Similar to the
Nielsen DMA (Designated Market Area). [An
initialism of Area of Dominant Influence.] Compare MSA.
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