spot(a short period of time when someone can speak or perform on radio or television: He was given a 30-second spot just after the news. a guest spot on ‘The Tonight Show'. LDOCE Alexander Demidov)
broadcast TV(Broadcast television systems are encoding or formatting standards for the transmission and reception of terrestrial television signals. There were three main analog television systems in use around the world until late 2010s (expected): NTSC, PAL, and SECAM. Now in digital television (DTV), there are four main systems in use around the world: ATSC, DVB, ISDB and DTMB. WK. Television programming sent over the air to all receivers. Read more at yourdictionary.com, yourdictionary.comAlexander Demidov)
broadcast day(n broadcast programming, dayparting is the practice of dividing the broadcast day into several parts, in which a different type of radio or television program apropos for that time period is aired. wikipedia.orgAlexander Demidov)
