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♣ Real-Time Products Service
JAXA has developed the precise GNSS orbit and clock estimation system, named "MADOCA (Multi-GNSS Advanced Demonstration tool for Orbit and Clock Analysis)". Using MADOCA products, user positions could be calculated accurately without any reference stations.

JAXA provides "Real-Time MADOCA product" with less delay and "Offline MADOCA product" with higher precision.

♣ What's MADOCA?
MADOCA is the precise GNSS orbit and clock estimation system. This basic requirements are as follows;

(1) Multi-GNSS Support (GPS,GLONASS,Galileo,BeiDou and QZSS)
(2) Both of Offline and Real-Time Estimator
(3) Precise Estimation using latest models
(4) Reduction of Processing Time by Multi-threading
(5) Maintainability and Portability which can run on note PC


System: GPS, GLONASS and QZSS (Galileo and BeiDou are under construction..)
Goal: Real-Time positioning with less than 10cm accuracy
Goal of orbit/clock accuracy:
ProductOfflineReal-Time
GPSGLOQZSGPSGLOQZS
OBT3cm7cm6cm9cm
CLK0.1ns0.25ns0.1ns0.25ns

Edit Date:June 13th, 2019