GNSS Reference Network
URGENT TDOT GNSS NETWORK ANNOUNCEMENT!!!
As of 6:00 PM EST (5:00 PM CST) on February 7, 2025,
the TDOT GNSS Reference Network is online
and providing RTK corrections.
Access to the TDOT Portal and the Spider Business Center (SBC) software tools will not be available until later next week.
Staff from our software & hardware provider are currently working to resolve these remaining issues.
We apologize for any inconvenience and appreciate your understanding.
Need access to TDOT GNSS Reference Network?
Frequently Asked Questions
"Existing" TDOT GNSS Network Users must sign into the TDOT GNSS Portal by clicking the "Blue" button above and "New" users must click the "Red" button above to create an account, accept the service terms and conditions, and make payment using a credit/debit card transaction.
Payments for renewals or new access to the TDOT GNSS Reference Network will only be accepted using a credit/debit card.
Network Status Map
NEWS & INFORMATION:
TDOT’s GNSS Reference Network has been updated to include hardware and software enhancements. Most notably, the network fully supports all global GNSS constellations, to include GPS, GLONASS, Galileo and BeiDou.
Existing TDOT’s GNSS Reference Network users will receive new credentials and account activation instructions via email from the TDOT GNSS Portal soon. The older TDOT GNSS network connections will continue to run in parallel for a short time as existing users transition to the upgraded network.
As part of this upgrade, users will be able to purchase new services or renew existing service using online credit/debit card transactions and online user agreements.
If any questions, please email TDOT.GNSSNetwork@tn.gov or call 615-741-2875.
Contact Information |
Engineering Division Headquarters Geodetics Section Tennessee Department of Transportation 6604 Centennial Blvd. Nashville, TN 37243 (615) 741-2875 TDOT.GNSSNetwork@tn.gov |