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It was briefly placed at a longitude 151 ° West of the Greenwich Meridian , before being moved to 171 ° West before the end of 1988 , from where it provided communications services to spacecraft in Earth orbit , including Space Shuttle s. In 1990 , it was relocated to 174 ° West , and again in 1991 to 62 ° West .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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