Just a week after being told he would be inducted into the NRL's hall of fame, Morrow lost his battle with brain cancer on Monday night.
Morrow was best known for his 34 years as a radio and TV caller at the ABC and was their chief rugby league commentator from 1985 to 2014.
He moved to 2GB in 2015, where he was a play-by-play commentator until his brain-cancer diagnosis in February.
"David has been one of the great voices of the game – recognised around the country for his wit, his insight and his knowledge," ARL Commission chairman Peter V'landys said.
"I had the pleasure of knowing David throughout my career in sport and he was a champion in every sense of the word. I have been honoured and privileged to know him as a friend.
"In his final days, David knew how cherished he was in the Rugby League community, having been informed of his induction into the Hall of Fame.
"While it is terrible that we have lost David, it is comforting to know that he and his family were aware what the game felt about his achievements."
Morrow also called at eight Olympics and was part of the ABC's cricket coverage.
He was told of his looming NRL hall-of-fame elevation while in hospice care last week and will be posthumously inducted at the NRL's Immortal ceremony next month.
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