Coba jelasin Lihat pula dari Sistem Satelit Quasi-Zenith dong

Petrovski, Ivan G. QZSS - Japan's New Integrated Communication and Positioning Service for Mobile Users. GPS World Online. June 1, 2003.

Kallender-Umezu, Paul. Japan Seeking 13 Percent Budget Hike for Space Activities. Space.com. September 7, 2004.

QZSS / MSAS Status Kogure, Satoshi. Presentation at the 47th Meeting of the Civil Global Positioning System Service Interface Committee (CGSIC). September 25, 2007.

Government Of Japan QZSS site