航こう行こう衛えい星せい

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Meanings

1

noun

navigation satellite

Technical term for a satellite used for navigation, such as GPS satellites.

航navigate, sail, cruise

行going, journey, carry out

衛defense, protection

星star, spot, dot

GPS衛えい星せい
GPS衛星 is a specific type of navigation satellite, while 航行衛星 is a broader term encompassing any satellite used for navigation.

Compound of 航行 (navigation) and 衛星 (satellite).