CORSnet is the first Continuous Observation Reference Station (CORS) Network implemented in Sri Lanka for Real Time Correction (RTK) broadcasting for GNSS Surveying Instruments. Global Navigation Satellite System (GNSS) is a Satellite system that is used to pinpoint the geographic location of a user's receiver anywhere in the world. CORSnet fully utilizes location data obtained from GNSS such as GPS, GLONASS & COMPASS. SOUTH NRS Data Control Center software developed by SOUTH Surveying & Mapping Instruments Co Ltd in China is used for Data Management and Corrections Broadcasting. High Accuracy SOUTH S8+C CORS receivers are used as station receivers.

With our service, we guarantee accuracy up to 2.5mm+0.5ppmRMS (in Static Mode). Coverage and accuracy is guaranteed practically. CORSnet is based on 3 CORS stations installed in Pepiliyana, Awissawella and Ragama. Currently CORSnet covers whole Western Province. Corrections broadcasting consists of data signal streams of RTCM 2.x,/3.x, CMR, CMR+, sCMRx, RTD, NMEA.


CORSnet is brought to you by SULECO (PVT) LTD - an independent business entity with over 5 years’ experience in the Survey and Lab equipment import industry In Sri Lanka. Our strength, diversity ,and resilience has emboldened us as the leading supplier of Quality, Surveying Equipment and Laboratory Equipment for testing of Construction Materials such as Soil, Aggregates, Concrete, Cement, Bitumen and Asphalt Concrete in Sri Lanka.

We represent top branded products including SOUTH - China, STONEX - Italy, UniStrong - China, TECNOTEST - Italy, CONTROLS - Italy, Elcometer – UK and many more.

We maintain stocks of wide range of instruments, accessories and consumables’ and spare parts for maintaining, servicing and repairing of Surveying and Laboratory Equipment. Affordable and competitive pricing, skilled personnel trained by principals, qualified and knowledgeable technical support and reliable prompt service are together in a holistic sense to record high satisfactory performance. We also keep our highest standards of integrity, transparency and accountability together with our business sustainability and corporate governance policies.