Japanese 
 
The difference between the antenna in the Heisei 24 fiscal year, and the antenna in the Heisei 25 fiscal year
 

    The antenna used in a marine buoy experiment was changed into
    a low profile antenna from a helical antenna.
    Helical antenna: From length 50p to a low profile antenna: Diameter 8.4p
    It becomes and is very small.









 




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