Wiktionary
superstation
n. (context US English) A television station that broadcasts nationwide via a satellite carrier
Wikipedia
Superstation
Superstation is a term used in North American broadcasting that can have several meanings. In its most precise meaning, a superstation is defined by the Federal Communications Commission (FCC) in the United States as a " television broadcast station, other than a network station, licensed by the FCC that is secondarily transmitted by a satellite carrier."
Usage examples of "superstation".
Wasn't nothin' to do but relax, so I went downstairs and watched a movie on one of them superstations, which felt real good to be able to do after all that had happened, then just gave myself that jolt and disappeared into heaven on the couch.