NTSC
USS Relativity dedication plaque
An NTSC was an academic degree in the 29th century. Some of the bearers of this degree worked at the Temporal Integrity Commission.
On the dedication plaque of the USS Relativity, Doctors M. Howard, J. Taylor, and R.D. McNeill were listed with as having this degree. (VOY: "Relativity", dedication plaque)
NTSC, short for National Television System Committee, was the analog television broadcast standard from 1941 until the mandatory digital conversion in 2009.