Clue: "Landmark on which most U.S. radio stations base the starts of their call signs, with W on the east and K on the west [Algonquin]"
"Landmark on which most U.S. radio stations base the starts of their call signs, with W on the east and K on the west [Algonquin]" is a New York Times crossword puzzle clue that we have seen 1 time.