JAXA | Overview of the First Quasi-Zenith Satellite "MICHIBIKI"
Amazon.com: waveshare L76X Multi-GNSS HAT GPS BDS QZSS Module with GPS External Antenna for Raspberry Pi, Support GPS L1 BD2 B1 Band 4800~115200bps UART Communication Baudrate : Electronics
The Quasi-Zenith Satellite System and IRNSS also known as NavIC | GEOG 862: GPS and GNSS for Geospatial Professionals
Japan mulls seven-satellite QZSS system as a GPS backup - SpaceNews
Overview of the Quasi-Zenith Satellite System (QZSS)|Service Overview|QZSS (Quasi-Zenith Satellite System) - Cabinet Office (Japan)