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Constellation Information

Update： 2021/10/21

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 184 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 189 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 185 O
CLAS L6 195 O
QZS1R (SVN=005, Block type=IIA-Q)
PNT L1C/A, L1C, L2C, L5 196 X
SLAS L1S 186 X
PTV L5S 186 X
CLAS L6 196 X

*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 SLAS NAQUs

    NUMBER NAQU DETAIL
    2021194 NOTICE ADVISORY TO QZSS USERS (NAQU) 2021194
    SUBJ: SVN001 (PRN183) FORECAST OUTAGE JDAY 298/0004 - JDAY 298/0005
    1. NAQU TYPE: L1S_FCSTMX
    NAQU NUMBER: 2021194
    NAQU DTG: 210458Z OCT 2021
    REFERENCE NAQU: N/A
    REF NAQU DTG: N/A
    SVN: 001
    PRN: 183
    START JDAY: 298
    START TIME ZULU: 0004
    START CALENDAR DATE: 25 OCT 2021
    STOP JDAY: 298
    STOP TIME ZULU: 0005
    STOP CALENDAR DATE: 25 OCT 2021

    2. CONDITION: QZSS SATELLITE SVN001 (PRN183) WILL BE UNUSABLE ON JDAY 298
    (25 OCT 2021) BEGINNING 0004 ZULU UNTIL JDAY 298 (25 OCT 2021)
    ENDING 0005 ZULU.

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

    EFFECTIVE DC Report NAQUs

    NUMBER NAQU DETAIL
    2021195 NOTICE ADVISORY TO QZSS USERS (NAQU) 2021195
    SUBJ: SVN001 (PRN183) FORECAST OUTAGE JDAY 298/0004 - JDAY 298/0005
    1. NAQU TYPE: DCR_FCSTMX
    NAQU NUMBER: 2021195
    NAQU DTG: 210458Z OCT 2021
    REFERENCE NAQU: N/A
    REF NAQU DTG: N/A
    SVN: 001
    PRN: 183
    START JDAY: 298
    START TIME ZULU: 0004
    START CALENDAR DATE: 25 OCT 2021
    STOP JDAY: 298
    STOP TIME ZULU: 0005
    STOP CALENDAR DATE: 25 OCT 2021

    2. CONDITION: QZSS SATELLITE SVN001 (PRN183) WILL BE UNUSABLE ON JDAY 298
    (25 OCT 2021) BEGINNING 0004 ZULU UNTIL JDAY 298 (25 OCT 2021)
    ENDING 0005 ZULU.

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

    EFFECTIVE CLAS NAQUs

    NUMBER NAQU DETAIL
    2021193 NOTICE ADVISORY TO QZSS USERS (NAQU) 2021193
    SUBJ: SVN001 (PRN193) FORECAST OUTAGE JDAY 298/0004 - JDAY 298/0005
    1. NAQU TYPE: L6_FCSTMX
    NAQU NUMBER: 2021193
    NAQU DTG: 210458Z OCT 2021
    REFERENCE NAQU: N/A
    REF NAQU DTG: N/A
    SVN: 001
    PRN: 193
    START JDAY: 298
    START TIME ZULU: 0004
    START CALENDAR DATE: 25 OCT 2021
    STOP JDAY: 298
    STOP TIME ZULU: 0005
    STOP CALENDAR DATE: 25 OCT 2021

    2. CONDITION: QZSS SATELLITE SVN001 (PRN193) WILL BE UNUSABLE ON JDAY 298
    (25 OCT 2021) BEGINNING 0004 ZULU UNTIL JDAY 298 (25 OCT 2021)
    ENDING 0005 ZULU.

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