Multi-GNSS Demonstration Experiment (Hokkaido Region) [Case Study Introduction]

GNSS maintains a FIX solution longer than GPS alone, and the recovery speed from FLOAT solutions is fast, benefiting from the larger number of satellites!

Our company receives real-time data from electronic reference points provided by the Geospatial Information Authority of Japan at the Genoa Center, conducting analyses 24 hours a day, 365 days a year, and offering high-precision positioning correction data delivery services to our customers. In Bitoe, Tōbetsu Town, Ishikari District, Hokkaido, we conducted a demonstration experiment of network-type RTK-GNSS using three electronic reference points in Atsuta, Sapporo, and Eniwa. 【Static Observation】 - There is a tendency for variability to be smaller when using GLONASS compared to using GPS alone. - It was confirmed that using GLONASS during the preparation phase speeds up initialization. - Variability in data occurs during satellite switching (when the number of satellites decreases) for network-type RTK-GNSS observation values. 【Kinematic Observation Experiment】 - When using GLONASS, many satellites are acquired, making it less likely to enter a FLOAT solution state. - It was confirmed that even when in FLOAT solution or standalone positioning, the speed of returning to FIX solution (initialization) improves. - It was confirmed that FIX solution is maintained even in environments where satellites are difficult to receive at consistently low elevation angles. - The quick recovery from FLOAT solution was also demonstrated. *For more details, please refer to the PDF document or feel free to contact us.

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