Terms & Conditions

The Most Trusted Real Time GNSS Positioning Service in Sri Lanka!

Terms & Conditions


Welcome to the CORSnet GNSS Correction Service (“Data”).

Please note: Before you can begin using our Data, you must read and agree to the following terms and conditions that apply to the CORSnet service and Data, by indicating so at the relevant tick box, or by clicking the “I AGREE” button or by signing the CORSnet License Agreement form (as the case may be).




In this Agreement the following terms shall have the meanings set out below unless the context requires otherwise.

2.1. “CORSnet” means the CORSnet® service, which records and distributes GNSS position correction information using a network of CORS;

2.2. “Sri Lankan Privacy Principles” means the relevant laws and principles that regulate the handling of personal information by Sri Lankan Government agencies and some private sector organizations;

2.3. “Commencement Date” means the date specified in the Licensors tax invoice; or if no date is specified, the date on which the Licensee signs the License Agreement, or takes delivery of the Data from the Licensor for the purposes of the License Agreement;

2.4. “CORS” means Continuously Operating Reference Stations (CORS) that receive satellite position, navigation and time information;

2.5. “Data” means Global Navigation Satellite System (GNSS) position correction information, recorded and distributed using a network of CORS and the CORSnet service;

2.6. “Device” means Global Navigation Satellite System (GNSS) receiver hardware device and one or more wireless communication devices that support connection to wireless internet services, collectively named a “Device”;

2.7. “Further Term” means such further term of this License Agreement as granted from time to time (for whatever period) by the Licensor on payment of the Subscription Fee;

2.8. “GNSS” means Global Navigation Satellite System (GNSS) including the Global Positioning Service (GPS) owned and operated by the United States of America, GLONASS an acronym for Globalnayanavigatsionnaya sputnikovaya sistema from the Russian Federation, BeiDOU owned and operated by the Peoples Republic of China and GALILEO owned and operated by the European Union;

2.9. “License Agreement” means the CORSnet License Agreement which may be completed online or via hard copy and includes any annexures or documents incorporated by reference;

2.10. “Licensee” means the party specified as such in the License Agreement and where the context requires, includes that party's employees agents, representatives, successors and assigns;

2.11. “Licensor” means CORSNet (Pvt) Ltd;

2.12. “NTRIP” means the protocol for Networked Transport of RTCM via Internet;

2.13. “Third Party Data” means Data from supplementary service providers, and others which may be offered from time to time;

2.14. “Subscription Fee” means the total amount payable by the Licensee to the Licensor for the use of the Data pursuant to the License Agreement, which is stated on the tax invoice supplied to the Licensee;

2.15. “Subscription Term” means a time period specified by the Licensee in the CORSnet License Agreement or in Subscription Package for the use of the Data pursuant to the License Agreement;

2.16. “Standard Terms & Conditions” means the Standard Terms & Conditions of Sale that are posted on CORSnet web site and are varied from time to time: www.corsnet.lk;

2.17. “Terms and Conditions” means these terms and conditions.


3.1. Subject to the Terms and Conditions of this Agreement, CORSnet (Pvt) Ltd (Licensor) grants to you the customer (Licensee) a non-transferable and non-exclusive License to use CORSnet services and Data in the normal course of your business.


4.1. Subject to the Licensor granting the Licensee a Further Term, this Agreement commences on the Commencement Date and will continue for the Subscription Term.

4.2. The Licensor may offer the Licensee a Further Term by notifying the Licensee in writing or by electronic mail of such offer and of the Subscription Fee payable with respect to such Further Term and the date by which the Subscription Fee must be paid. If, prior to or upon expiration of the Subscription Term, the Licensor offers in writing to renew the License for a Further Term under this sub-clause 4.2, the License shall, subject to the payment of the Subscription Fee by the date set for that Further Term, continue for the period of such Further Term. The License renewed under this clause shall be on the same terms and conditions as set out in this Agreement, subject to any variations agreed to in writing or by electronic mail by the Licensor and save that the Subscription Fee for any Further Term of the License may be varied by the Licensor.

4.3 The Licensor may with or without prior notice discontinue the Demo or Free Licenses issued at his sole discretion. 


5.1. The Licensee acknowledges that CORSnet service and Data are subject to copyright. The Licensee shall not during or any time after the expiry or termination of this License permit any act which infringes that copyright. 

5.2. The Licensee acknowledges that there is no transfer of title or ownership of the Data, and that the copyright and intellectual property in the Data shall remain the property of the Licensor. 

5.3. The Licensee agrees not to sell or provide the Data in any form to any other person or entity. 


6.1. The Licensee acknowledges that copyright in the Third Party Data is owned by a third party. The Licensor warrants that it is permitted to supply the Third Party Data to the Licensee but the Licensee acknowledges that it may be required to enter a separate agreement with a relevant third party. 

6.2. The Licensee agrees to indemnify the Licensor against any liability, loss, claim or demand arising out of action or omission taken by the Licensee with respect to the Third Party Data in breach of this Agreement. 


7.1. The Licensee agrees to the Licensors Standard Terms & Conditions of Sale that are posted on the Licensors web site and are varied from time to time (www.corsnet.lk). 

7.2. The Licensee agrees to pay the Subscription Fee specified in the tax invoice provided to the Licensee by the Licensor. 

7.3. Failure of the Licensee to pay any Subscription Fee or any other money owing to the Licensor, will entitle the Licensor to immediately deactivate access to the CORSnet service and Data. 

7.4. Access to CORSnet service and Data is provided for fixed periods of time and at fees that are changed from time to time. 


8.1. The Licensor grants the Licensee a non-exclusive right to access and use the Data for the duration of the time period for the purpose of carrying out surveying and related activities and to provide physical measurements of earth and sea surfaces, natural features, or manmade objects for determining absolute and relative positions of those surfaces, features and objects in either geodetic, topographical, cadastral, hydrographic or construction and engineering reference systems; including, RTK surveying instrument, Drones, automated GNSS control of farming and agricultural machinery and construction engineering machinery and shall exclude Safety-of-Life use or for any other application in which the veracity of the Data is used in a situation where personal injury or death may occur. 

8.2 The Licensee may authorize personnel associated with the Licensee’s business to access and use the Data under this License and the Licensee agrees to inform all personnel of the terms, conditions and restrictions of the Licensee and the Licensee remains responsible under law for their compliance with the License. 

8.3. The Licensee is permitted to access Data provided that you do not: a) Access or use the Data other than by or with a Device owned and used by the Licensee; b) Transfer, sublicense or resell the Data or content to another individual or entity; c) Broadcast or otherwise disseminate the Data for concurrent use by more than one Device simultaneously. 

8.4. The Licensee shall access the Data only via authenticated “username” and “passwords” and a separate username and password will be created for each Licensed user to access CORSnet User Account on www.corsnet.lk . Authentication for real-time Data streams will be achieved by using the NTRIP protocol (Networked Transport of RTCM via Internet). 

8.5. The Licensee agrees to be entirely responsible for maintaining the confidentiality of usernames and passwords, and you agree that the Licensor may terminate your License and disconnect your access to the Data if you fail to do so. Additionally, you the Licensee are fully responsible for any and all activities that occur under your usernames and passwords. You agree to notify the Licensor immediately of any unauthorized use of your usernames and passwords or any other breach of security. The Licensor will not be liable for any loss that you may incur as a result of someone else using your usernames and passwords, either with or without your knowledge. 

8.6. The Licensee acknowledges that they are competent in the use and applications that they are undertaking in conjunction with application of the Data. 

8.7. The provision, use, suitability, setup, checking and configuration of any and all user hardware Devices, software and communication options for use of the Data are entirely the responsibility of the Licensee. 

8.8. The Licensee acknowledges that no promise, representation, warranty or undertaking has been provided as to the suitability of the CORSnet service and Data for their specific needs, and that they have relied upon their own undertaking as to its suitability and fitness for a particular purpose. 


9.1. The Licensee acknowledges that they will not interfere with or cause harm to any aspect of the Data or the CORSnet service, including but not limited to interference with its data streams, hardware, and software or communication protocols. 

9.2. The Licensee agrees not use the Data for any purpose that is unlawful or prohibited by the License terms and conditions. The Licensor may restrict access to CORSnet services and Data or cancel the License and if there is a reasonable suspicion of, or any actual misuse or fraudulent use by the Licensee. 

9.3. The Licensee will be responsible for any costs incurred by the Licensor or any other party (including Legal fees) as a result of any misuse or fraudulent use of the Data. Misuse or fraudulent use includes, but is not limited to: 

a) Using the Data in such a manner so as to interfere unreasonably with the use of CORSnet services and Data by one or more other users or wireless customers or to interfere unreasonably with the underlying telecommunication carrier’s ability to provide CORSnet services and Data; 

b) Fraud or unauthorized access; or using the CORSnet services and Data without permission or on a stolen or lost Device. 

c) Taking any action that imposes an unreasonable or disproportionately large load on CORSnet services, Data and essential infrastructure. 

d) Tampering with or making an unauthorized connection to CORSnet services and Data. 

e) Reselling or re-billing CORSnet services and Data to any other individual or entity; 

f) Re-broadcasting CORSnet services and Data without the express written permission of the Licensor; or 

g) Use of CORSnet services and Data in any other unauthorized or illegal manner. 


10.1. Except for disclosures necessary to meet statutory or regulatory requirements, the Licensee shall treat the Data as confidential, other than for advertising or publicity material, the Licensee will not disclose the Data to any person or entity. 

10.2. The Licensee shall not use the Data to produce material or products for the purposes of commercialization accept as otherwise expressly authorized by this Licensing Agreement or in writing by the Licensor. 

10.3. The Licensor is bound by the Sri Lankan Privacy Principles and any applicable codes of practice for the purposes of information provided to it by the Licensee pursuant to this License. 


11.1. The Licensee acknowledges that the CORSnet network coverage area and access to Data are subject to transmission limitations caused by a variety of factors such as atmospheric conditions and events like severe solar activity, topographical obstructions, limitations or lack of coverage of the underlying telecommunication carrier service and other natural or manmade conditions, including but not limited to, power outages, motor and ignition noise, metal shielding, interference by users of the same or adjacent radio channels that may limit network coverage or interfere with access to CORSnet services. 

11.2. The Licensee further acknowledges that the Licensor is not responsible for the operation or failure of operation of GNSS satellites or the availability of GNSS satellite signals. 

11.3. The Licensor shall not be held liable by the Licensee or any third party for any loss or damage arising from CORSnet services and Data, or its interruption, transmission errors, defects or any other cause, including, but not limited to, interruption caused by the underlying Telecommunication carrier or other service providers 

11.4. The Licensor does not assume and shall not have any liability for events beyond the Licensor’s control or the control of the Licensor‘s subcontractors, or business partners, including, but not limited to, force majeure, acts of any governmental entity, acts of a public enemy, strikes, riots, earth quakes or severe weather conditions. 

11.5. The Licensor has no control over, nor responsibility for any delays, limitations or deficiencies in any telecommunications equipment, telecommunications services or telecommunications coverage. 

11.6. The CORSnet network coverage area, CORS sites and CORS locations can vary from time to time, and the Licensee should check relevant CORS sites and CORS locations, network coverage and status prior to the commencement of any work. 

11.7. The Licensor may at any time discontinue or modify, enhance or make additions, permanently or temporarily, to all or any part of CORSnet services, network coverage area, official web site and Data. 


12.1. The Data is provided “as is” and “without promise” although the Licensor undertakes extensive checks and has backup systems and procedures, it assumes no responsibility for loss, deletion, missed delivery, timeliness or failure to provide, store or record any observations, measurements and information, and Licensor does NOT warrant that the Data is error free. 

12.2. The Licensor does NOT warrant that it can provide continuous, uninterrupted or complete Data and makes no guarantees, representations or warranties pertaining to the integrity of the Data, expressed or implied, including but not limited to, the quality, effectiveness, reliability, completeness, accuracy or fitness for a particular purpose or use. 

12.3. The Licensee agrees to indemnify the Licensor and its officers and employees and agents, in respect of all claims for loss, damage, or injury suffered by any person resulting from use by the Licensee or by a third party of the Data or any part thereof or of materials produced or derived from the Data. 


13.1. To the full extent permitted by law, the Licensor is not liable to the Licensee for any direct, indirect, consequential or contingent loss, liability, cost, damage or expense from the use of the Data by the Licensee, or any other party, and without limitation includes but is not limited to loss occasioned by defective design, workmanship or materials in relation to or reliance on the Data.

 13.2. Notwithstanding any damages that the Licensee might incur for any reason whatsoever (including, without limitation, all damages referenced herein and all direct or general damages in contract, negligence or else), the entire liability of the Licensor and any of its suppliers arising from or related to this License shall be limited to the value of the Subscription Fee paid by the Licensee for the Data. 


14.1. Without prejudice to any other rights, the Licensor may immediately terminate this agreement if the Licensee fails to comply with any of its terms and conditions or the Licensors Standard Terms and Conditions of Sale as per clause 7.1 in such an event, the Licensee must immediately cease to access the Data. 


15.1. Sri Lankan law will have exclusive jurisdiction in relation to all matters whatsoever concerning these terms and conditions. 

CORSnetTM, the Most Trusted RTK network in Sri Lanka is the first of its kind started in 2014. It is now the largest RTK network in Sri Lanka covering the whole Island. Established and managed by professionals of the industry, CORSnet is now being used by many sectors such as Surveying, Construction, GIS, Drone Operations, Agri machinery, and many more. Clients with Ntrip enabled devices can receive cm level accuracy in Real-Time from any location in Sri Lanka.

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