: Refers to their University Television Center facilities.
: MSTV is used by Michigan State Basketball for post-game reports and alumni interviews. mstv 219-220.mp4
The specific file name likely represents a combined or sequential set of segments (possibly episodes or tape indices 219 and 220) from this historical library. Overview of MSTV (Microsoft Television) : Refers to their University Television Center facilities
While "MSTV" most commonly refers to Microsoft's historical media, the acronym is occasionally used by other institutions: mstv 219-220.mp4