In facsimile, a frequency modulationsystem where one frequency represents picture black and another frequency represents picture white[?]. Frequencies between these two limits may represent shades of gray
An intentional frequency change used for modulation purposes
... population of 5,013.
Geography
Wheatley Heights is located at 40°45'43" North, 73°22'1" West (40.761998, -73.366895)1.
According to the United States Census ...