Japan'sspaceagencyonTuesdaysuccessfullylaunchedintoorbitafourthandfinalsatelliteaspartofanoverallnewsystemtoimproveglobalpositioningdataforanumberofservicesands
JapanonThursdaylaunchedasatellitetohelpbuildahigh-precisiongeolocationsystemthatwillcomplementtheUS-operatedGPS.AH-IIArocketblastedoffat9:17am(0017GMT)fromtheTa