noun
sustaining program; unsponsored broadcast
Rare term for a radio or television program that airs without commercial sponsorship. Mainly used in broadcasting contexts.
そのラジオ局は深夜にサステイニングプログラムを放送している。
That radio station broadcasts a sustaining program late at night.
Variant with interpunct; less common but seen in some contexts.
Borrowed from English 'sustaining program'.