A (Leica Binary Format) is the proprietary raw measurement file generated by Leica GNSS receivers, including models like the GS15, GS18, GM30, and the Viva and Captivate series. In older Leica systems, you might encounter MDB (Leica Database) or TPS files, but modern receivers output CNB.
: Compass Receiver Utility (CRU) or SinoGNSS Compass Solution cnb to rinex
Older but still widely used, LGO can handle CNB from legacy receivers (e.g., System 500, 1200). The process is similar: import database → export → RINEX. A (Leica Binary Format) is the proprietary raw