Abstract
Abstract Geospatial information in Indonesia uses a single reference system, the Indonesian Geospatial Reference System 2013 (SRGI2013) to standardize spatial data and information reference. An accurate horizontal geospatial reference framework spread evenly over Indonesia is needed to make it easier for the community to use SRGI2013. One of the reference frameworks in Indonesia is the Indonesia Continuously Operating Reference Station (Ina-CORS) managed by the Geospatial Information Agency (BIG). BIG (formerly BAKOSURTANAL) started developing CORS in 1996 in 3 stations. The development has been carried out regularly almost every year since 2007. In 2024 Ina-CORS consists of 432 stations and add 41 more stations. Its field infrastructure has been updated to improve quality and service. Geospatial information system analysis of the Ina-CORS service area showed that at the end of 2024, Ina-CORS has been served rapid mapping and surveys in 81.62% of Indonesia’s urban and rural areas. The islands of Java and Bali have been completely served. The islands of Sumatra, Nusa Tenggara, Maluku, and Sulawesi are almost completely served. Meanwhile, the islands of Papua and Kalimantan still have not been optimally served. Ina-CORS has RINEX data service, Real Time Kinematic (RTK) correction, online post-processing, and other services to support surveys, mapping, disaster mitigation, and other earth science research.
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