By-the-centimeter augmentation message (orbit and clock correction) made available via the internet at anytime and from anywhere in the world.
Consulting Service
GPAS provides a wide range of consultation service, including technical consultation for usage of the augmentation message provided by GPAS and advice for starting new businesses.
1. GNSS Augmentation Service via the Internet
Service Menu
Basic Service
Augmentation ProductReal-time SSR stream (no FCB) SSR file download (no FCB)
InterfaceNTRIP SFTP
Basic + FCB Service FCB : Fractional Cycle Bias
Augmentation ProductReal-time SSR stream (incl. FCB) SSR file download (incl. FCB)
InterfaceNTRIP SFTP
Ephemeris Service
Augmentation ProductUltra-Rapid / Rapid / Final
Interfaceplease inquire
To receive service, User Registration is required.
For Research and Development / Academic Usage
User type : Closed Research and Development within National Research Institutes, Universities, and private Companies.
Category A
Providable ServiceBasic Service Basic + FCB Service Ephemeris Service
For Joint Research with GPAS
User type : Organizations willing to jointly research with GPAS to provide benefit each other.
Category B
Providable ServiceIndividual Consultation
For Commercial Use
User type : Companies interested in the sales or development of products that use GPAS services.
Category C
Providable ServiceIndividual Consultation
Service Price
Service price includes initial registration fee and distribution fee for each category based on GPAS price guidelines.
Please contact GPAS for quotations.
How to Use the Service
For "Category A" users
Requirements : Positioning Software*1, GNSS Receiver*2, GNSS Antenna and PC
Install positioning software to PC
Connect PC, GNSS Receiver, and GNSS Antenna
Configure positioning software to receive GNSS data from GNSS Receiver and augmentation from GPAS
Run a positioning software
Preferable Positioning Software can be prepared by each user. Or, software (GSOK) can be purchased from GPAS at request.
GNSS Receiver with output of L1/L2 observation data in RTCM format can be used for GPAS service. GNSS receivers with embedded positioning software shown below are also available for sale.