1924 Los Angeles Times 6 Jan. ii. 9/7 I believe very definitely that broadcasting as constituted today is commercially sound,..although there may be selective methods and narrow-cast methods which will do no harm.

1937 Lincoln (Nebraska) State Jrnl. 26 Aug. 10/7 Truly, broadcasting is becoming less and less broadcast and more and more narrowcast.

1988 Creative Rev. Jan. 45/3 As the pirate stations have shown, narrowcast radio can work just as successfully as narrowcast magazines.

1993 Guardian 6 Sept. ii. 14/5 At a time when we are entering a world of dozens..of available narrowcast and broadcast TV channels, the present restrictions are absurd.

1932 N.Y. Times 20 May 3/4 The ‘narrow cast’ was conducted through a beam of light from the control of the dirigible.

1977 Sunday Times 23 Jan. 52/3 Most narrowcasts tend to be a service of the BBC.

1987 Christian Sci. Monitor 22 July 23/3 The so-called ‘narrowcast’—where a select group is reached through cable TV, local point-to-point broadcasts, or low-powered television stations—has almost unlimited potential for conveying religion-related messages.

1999 Yahoo! Internet Life Dec. 154/2 What will grow? Micromarkets and narrowcasts.

1928 N.Y. Times 17 Feb. 20/5 Temptation to narrowcast is doubly strong because of the half million radio sets now in use which draw their energy not from batteries but from the lighting circuit.

1972 TV Guide 27 May 12/1 Candidates for lower-level offices need never again ‘broadcast’ their message prodigally to large masses of viewers who can't vote for them; instead they'll ‘narrowcast’ it cheaply only to those who can.

1986 Church Times 8 Aug. 9/4 The Cambridge Radio Course makes no bones about the need to be open: to broadcast, not to narrow cast. There is no point in Christians occupying the airwaves to speak only to themselves.

1999 Wired Feb. 162/1 Bloomberg Information Television..was also electronically narrowcast..to a new generation of desktop terminals.