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Start of QZS-1R Services and Suspension of QZS-1 signal transmission (Advance Notice)

National Space Policy Secretariat, Cabinet Office 
QZS-1R services are scheduled to be started on March 24, 2022. Depending on the state of preparation, the schedule might be changed.

After the start of QZS-1R services, following signals transmission by QZS-1R commence. Also, QZS-1 will stop transmitting signals and shift to standby operation after the QZS-1R services start.

  • PRN number : L1C/A, L1C, L2C, L5, L6D : 196(standard cord)
          L1S, L5S : 186(standard cord)
  • SVID : 4 (J04 in RINEX file)
  • SVN : 5 (SV number in NAQU)
  • Alert Flag : OFF
  • Health Flag : GOOD
  • Positioning signal : L1C/A, L1C, L2C, L5 (*1)
  • Augmentation signal : L1S, L6D (*1, 2)
  • Demonstrative signal : L5S (*1)

(*1) These signals conform to Performance Standard (PS-QZSS) and Interface Specification (IS-QZSS).
(*2) L1S and L6D signal include QZS-1R argumentation information, instead of QZS-1.