Free CORS
Free correction service for GNSS users of all brands.
₹0
Free
- CORS / RTK GNSS
- Free for GNSS users of all brands
- Chennai Circle, Kanyakumari and parts of Kerala
- Connection details sent to your email
- Support by email and phone
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NEW BRANCH OPENING OFFER · FREE FOR ALL BRANDS
STEC INDIA has launched a private CORS in Chennai Circle, Kanyakumari and parts of Kerala. The private CORS is held by Antongabriella Consultancy Private Limited, and it is free for GNSS operators of every brand. Create your account on this website to get your free connection.
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FREE CORS AREA
Parts of Kerala are covered too: exact areas will be confirmed by STEC INDIA. Zones are illustrative, not surveyed coverage. Map: Esri, HERE, Garmin, © OpenStreetMap contributors · Leaflet
SERVICES & PRICING
Create your account, and STEC INDIA activates your connection. Connection details are sent to your email and shown in your dashboard.
Free correction service for GNSS users of all brands.
₹0
Free
INDIA PRESENCE
Antongabriella Consultancy Private Limited (AG Group) holds the private CORS and runs STEC INDIA, with offices across India. The free CORS areas are Chennai Circle, Kanyakumari and parts of Kerala; the offices below show where the group is present.
Tamil Nadu
Antongabriella Consultancy Private Limited (Main Branch)
Andhra Pradesh
Teja Sri Geo Tech Enterprise · Vijayawada
Telangana
SMR Geo Tech · Hyderabad
Maharashtra
Buildotech Instruments Pvt Ltd · Pune
Madhya Pradesh
UK Engineers & Surveyor · Betul
Kerala
Antongabriella Consultancy Private Limited · Malappuram
Karnataka
KLS Advisory Services LLP · Davanagere
West Bengal
I Land Surveyor · North 24 Parganas
Full office addresses: stec-india.com/contact
NEW BRANCH OPENING OFFER
To mark the opening of its new branch, STEC INDIA has launched a private CORS in Chennai Circle, Kanyakumari and parts of Kerala, free for GNSS operators of every brand. Everything is done on this website.
Create your account. Enter your name, email, phone and company on this website.
Verify your email. Click the link we send you to activate the account.
Get your connection details by email. STEC INDIA activates your connection and emails the host, port, mountpoint, username and password to your registered email address. They also appear in your customer dashboard.

Bring your own GNSS rover or controller. The free offer is for all brands.
WHY STEC CORS
Correction services intended for surveying, construction, GIS and mapping workflows.
Create your account on this website: your details, your connection and your support requests all in one place.
Free CORS in Chennai Circle, Kanyakumari and parts of Kerala, with exact areas confirmed by STEC INDIA.
Raise a support request from your dashboard, or phone the STEC INDIA team.
HOW IT WORKS
A reference-station network measures satellite signals and streams correction data to your rover over the internet, so your receiver can improve its position.
See the customer workflow →The offer is for GNSS operators of all brands. You need a compatible rover or controller to use correction data.

ABOUT
STEC INDIA is the India presence of STEC products and solutions for surveying, construction and geospatial work. STEC CORS is the dedicated portal for the private CORS / RTK GNSS correction service held by Antongabriella Consultancy Private Limited.
Visit stec-india.com →FAQ
STEC INDIA has announced FREE CORS for all brand GNSS users as its new branch opening offer in Chennai Circle, Kanyakumari and parts of Kerala. The offer duration, eligibility and any limits will be confirmed by STEC INDIA.
Create an account on this website and confirm your email. Once STEC INDIA activates your connection, your connection details (host, port, mountpoint, username and password) are sent to your registered email address and also appear in your customer dashboard.
By email, at the address you registered with, and in your customer dashboard under Connection. If you do not see the email, check your spam folder. Keep the details private; they are for your receiver only.
The free CORS started on 1 November. Create your account to get your free connection.
The private CORS is held by Antongabriella Consultancy Private Limited (AG Group), the company behind STEC INDIA in India.
Chennai Circle, Kanyakumari and parts of Kerala. The exact Kerala areas will be confirmed by STEC INDIA.
A Continuously Operating Reference Station network provides GNSS correction data so a compatible receiver can achieve higher positioning accuracy than a standalone receiver.
Yes. You use your own GNSS rover or controller. STEC INDIA says the service is for all brands.
Create your account on this website. The free CORS in Chennai Circle, Kanyakumari and parts of Kerala started on 1 November.
CONTACT