Figure 28. Comparison between blip intensities of ships and icebergs. Top radar 

 scope photograph shows an iceberg (01()°T; 18 200 yds) and a merchant 

 ship, SS Mormacpenn (047°T; 19,000 yds) on the 20-mile range scale. 

 Bottom photograph compares a large iceberg (150°T; 7,000 yds) with the 

 USNS Alatna (341°T; 6,000 yds). 



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