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Constellation Information

Update： 2021/04/14

Message

　
  •  :In Operation
  •  :Retired
  •  :Outage
  •  :In commissioning
  •  :Maintenance
  •  :In testing
  •  :Time problem

QZS

Services Positioning Signals PRN Operation NAQU Number
QZS01 (SVN=001, Block type=IQ)
PNT L1C/A, L1C, L2C, L5 193 O
SLAS L1S 183 O
CLAS L6 193 O
QZS02 (SVN=002, Block type=IIQ)
PNT L1C/A, L1C, L2C, L5 194 O
SLAS L1S 184 O
PTV L5S 196 O
CLAS L6 194 O
QZS03 (SVN=003, Block type=IIG)
PNT L1C/A, L1C, L2C, L5 199 O
SLAS L1S 189 O
PTV L5S 197 O
PTV L1Sb 137(*1) O
CLAS L6 199 O
Q-ANPI Sr/Sf - O
QZS04 (SVN=004, Block type=IIQ)
PNT L1C/A, L1C, L2C, L5 195 O
SLAS L1S 185 O
PTV L5S 200 O
CLAS L6 195 O

*1: L1Sb operation status in this table is not described the signal contents availability. MLIT(Ministry of Land, Infrastructure, Transport and Tourism) produces the augmentation signal contents. In the case used for flight operation, User should refer to NOTAM or inquire at MLIT for information about SBAS signal contents availability.

All NAQUs including outage of service, reports of anomaly, forecast of events, etc. can be confirmed on NAQU information.

  • Check NAQU information
  • Future operational events can be confirmed here.

    • ※The information of Future operational events are updated on plans until three months ahead at the end of every month, basically.

    Current effective NAQUs that indicate the notice of outage of service, forecast of events, etc. are displayed below.

    EFFECTIVE PNT NAQUs

    NUMBER NAQU DETAIL
    2021053 NOTICE ADVISORY TO QZSS USERS (NAQU) 2021053
    SUBJ: SVN003 (PRN199) FORECAST OUTAGE JDAY 110/0559 - JDAY 114/0559
    1. NAQU TYPE: PNT_FCSTDV
    NAQU NUMBER: 2021053
    NAQU DTG: 140228Z APR 2021
    REFERENCE NAQU: N/A
    REF NAQU DTG: N/A
    SVN: 003
    PRN: 199
    START JDAY: 110
    START TIME ZULU: 0559
    START CALENDAR DATE: 20 APR 2021
    STOP JDAY: 114
    STOP TIME ZULU: 0559
    STOP CALENDAR DATE: 24 APR 2021

    2. CONDITION: QZSS SATELLITE SVN003 (PRN199) WILL BE UNUSABLE ON JDAY 110
    (20 APR 2021) BEGINNING 0559 ZULU UNTIL JDAY 114 (24 APR 2021)
    ENDING 0559 ZULU.

    3. POC: - QZSS Services, HTTPS://QZSS.GO.JP/