Complex sentence: In 1997, WOLF (now WSWB) became a WB affiliate after WYLN-LP dropped it and converted WILF to that affiliation as well, its other satellite, WWLF (who took on the WOLF calls), became the Fox affiliate for Northeastern Pennsylvania.
Split into simpler sentences: In 1997, WOLF (now WSWB) became a WB affiliate after WYLN-LP dropped it and converted WILF to that affiliation. Its other satellite, WWLF (who took on the WOLF calls), became the FOX affiliate for northeastern Pennsylvania.