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Scheduled Outage of SBAS signal in the SBAS Transmission Service

Feb.21,2025
National Space Policy Secretariat, Cabinet Office 

The SBAS signal that is made by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT) is transmitted from QZS on a GEO using the QZSS SBAS transmission service.
Due to the maintenance of the ground facilities by Civil Aviation Bureau, MLIT, we would like to inform you of the scheduled SBAS signal outage as follows.
For details on the operational status of this service (availability of SBAS signal), please contact Civil Aviation Bureau, MLIT by email using the contact information below.
　hqt-msas-lpv（at）gxb.mlit.go.jp
　（Please replace (at) with @ when sending an email.）

Affected services: SBAS Transmission Service (L1Sb)
Service outage period: 22:00 JST on March 10, 2025 - 07:00 JST on March 11, 2025
Preliminary period: 22:00 JST on March 11, 2025 - 07:00 JST on March 12, 2025

Satellite: QZS-3

Remarks:
QZS-1R,2,4 are not affected by this scheduled outage of SBAS signal. Also, in QZS-3, the other services except SBAS Transmission Service (i.e., PNT, SLAS, CLAS, MADOCA-PPP, DC Report, Q-ANPI, Positioning Technology Verification Service, and Signal Authentication Service) are not affected and can be used during the above period.