216096
It operated in the S band portion of the microwave spectrum , combining ( " unifying " ) voice communications , television , telemetry , command , tracking and ranging into a single system to save size and weight and simplify operations .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None