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CORSnet Phase 3B - Coverage over Southern Province

posted on Mar 15, 2019

We are proud to announce that CORSnet RTK corrections broadcast service was extended over main cities of Southern Province concluding a much sought after industry requirement on 01/03/2019. We hope this step would be ...

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What is CORS?

What is CORS?

Continuous Observation Reference Station - CORSnet is the first commercial GNSS based Virtual Reference Network established to broadcast RTK corrections & RINEX data for post processing covering Western Province of Sri Lanka.

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Network Coverage

Network Coverage

The main cities which already have the coverage are marked in the map below. Click the map marker for more details. More cities will be covered soon. Our target is to make our service available to all throughout Sri Lanka.


Why CORSnet?


We provide you with the best products from South Surveying & Mapping Instrument CO., LTD.


We have the most dedicated and committed group of people. We truly love what we do and are never satisfied with good enough.


We are capable of providing you the coordinates with an accuracy of 2.5 mm.