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
... 72°9'31" West (41.025238, -72.158499)1.
According to the United States Census Bureau, the town has a total area of 23.9 km² (9.2 mi²). 21.9 km² (8.5 ...