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KXZT , which originally was a C2 with 4.8 Kw when it received its CP in 2012 , was given a upgrade to C0 with a effective power of 90Kw in February 2013 , thus expanding its coverage and benefitting from KSLT 's move from 107.3 to 107.1 in 2011 .
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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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