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1by Ryerson, Charles C.Subjects: “...*RADIO BROADCASTING...”
Published 1988
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2Published 1991“... regions of the Grand Banks of Newfoundland for icebergs. IIP makes twice-daily radio broadcasts to warn...”
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3Published 1986“... of the Grand Banks of Newfoundland for icebergs. The International Ice Patrol makes twice-daily radio...”
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4Published 1989“... of Newfoundland for icebergs. IIP makes twice-daily radio broadcasts to warn mariners of the limits of all known...”
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5Published 1987“.... The International Ice Patrol makes twice-daily radio broadcasts to warn mariners of the limits of iceberg...”
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