GNSS Reference Network
NEWS & INFORMATION: TDOT is accepting Network User Access Contracts for access to the TDOT GNSS Reference Network. TN10 (Sevierville) & TN1A (Knoxville) have been added to the network. For coordinates and site photos, please click TN10 or TN1A
For questions regarding the GNSS Reference Network, please e-mail TDOT.GNSSNetwork@tn.gov
Contracts for Network Access
Network User Access Contract (Non-Government and Non-Education Entities)
Network User Access Contract (Federal or Tennessee Local Government)
Network User Access Contract (University of Tennessee or Board of Regents College or University)
New applicant must complete & submit these two forms with contract. TDOT New Supplier Registration Data Form W-9 Form 2018
Contact Information |
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TDOT GNSS Reference Network Headquarters Survey Office James K. Polk Building, Suite 1200 505 Deaderick Street Nashville, TN 37243 |
Phone: Fax: Email: |
615.253.1189 / 615-741-2875 615.532.2799 TDOT.GNSSNetwork@tn.gov |

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GPS |
LOCATION |
CITY, ST |
LATITUDE |
LONGITUDE |
WORKING? |
Pellissippi State Community College |
Knoxville, TN |
35 56 53.51756 N |
84 10 00.37632 W |
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TN2A |
Cleveland Police Department |
Cleveland, TN |
35 09 34.16203 N |
84 52 26.33761 W |
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TDOT DISTRICT 4A |
Buchanan, TN |
36 26 03.15765 N |
88 04 43.85840 W |
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TN4B |
Boling University Center, UT Martin |
Martin, TN |
36 20 25.43628 N |
88 51 52.30188 W |
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Sevierville City Hall | Sevierville, TN |
35 51 57.94887 N |
83 33 29.17304 W |
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TDOT DISTRICT 11 |
Johnson City, TN |
36 21 41.99003 N |
82 23 33.94738 W |
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TDOT DISTRICT 12 |
Morristown, TN |
36 14 52.96393 N |
83 17 11.09224 W |
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TDOT DISTRICT 13 |
Newport, TN |
35 56 37.05739 N |
83 12 26.43588 W |
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TDOT DISTRICT 14 |
Lafollette, TN |
36 24 27.33540 N |
84 03 54.65235 W |
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TDOT DISTRICT 15 |
Knoxville, TN |
36 00 08.26072 N |
83 46 13.97247 W |
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TDOT DISTRICT 16 |
Harriman, TN |
35 54 09.82746 N |
84 36 04.38437 W |
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TDOT DISTRICT 17 |
McGhee Tyson ANGB, TN |
35 48 48.18446 N |
84 00 17.55578 W |
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TDOT DISTRICT 18 |
Elizabethton, TN |
36 21 57.03061 N |
82 10 42.26747 W |
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TDOT DISTRICT 19 |
Huntsville, TN |
36 24 29.95971 N |
84 31 41.01323 W |
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TDOT DISTRICT 21 |
Chattanooga, TN |
35 03 51.76245 N |
85 12 25.95608 W |
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TDOT DISTRICT 22 |
Dunlap, TN |
35 23 25.74347 N |
85 22 40.99176 W |
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TDOT DISTRICT 23 |
Crossville, TN |
35 55 10.71001 N |
84 59 57.58664 W |
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TDOT DISTRICT 24 |
Cookville, TN |
36 08 03.72246 N |
85 29 57.83958 W |
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TDOT DISTRICT 25 |
Tullahoma, TN |
35 22 01.47407 N |
86 11 20.80074 W |
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TDOT DISTRICT 26 |
Athens, TN |
35 26 35.14382 N |
84 37 48.35644 W |
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TDOT DISTRICT 27 |
Livingston, TN |
36 23 45.63539 N |
85 19 02.92673 W |
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TDOT DISTRICT 28 |
McMinnville, TN |
35 42 05.63114 N |
85 44 43.53387 W |
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TDOT DISTRICT 29 |
Delano, TN |
35 14 46.29913 N |
84 34 06.15612 W |
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TDOT DISTRICT 30 |
Hohenwald, TN |
35 33 05.86957 N |
87 34 26.23160 W |
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TDOT DISTRICT 31 |
Nashville, TN |
36 10 13.08124 N |
86 52 14.40766 W |
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TDOT DISTRICT 32 |
Gallatin, TN |
36 23 48.58728 N |
86 24 19.69921 W |
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TDOT DISTRICT 33 |
Clarksville, TN |
36 33 31.34289 N |
87 19 10.01124 W |
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TDOT DISTRICT 34 |
Belfast, TN |
35 25 34.74433 N |
86 42 43.89943 W |
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TDOT DISTRICT 35 |
McEwen, TN |
36 06 14.17845 N |
87 37 21.54733 W |
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TDOT DISTRICT 36 |
Lawrenceburg, TN |
35 15 20.76809 N |
87 19 33.76394 W |
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TDOT COLUMBIA |
Columbia, TN |
35 36 13.78246 N |
87 05 37.72043 W |
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TDOT MURFREESBORO |
Murfreesboro, TN |
35 53 46.00041 N |
86 26 37.30979 W |
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TDOT DISTRICT 39 |
Pulaski, TN |
35 11 29.07104 N |
87 00 26.77143 W |
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TDOT DISTRICT 40 |
Lexington, TN |
35 38 50.64135 N |
88 24 04.33666 W |
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TDOT DISTRICT 41 |
McKenzie, TN |
36 07 34.90225 N |
88 30 45.89068 W |
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TDOT DISTRICT 42 |
Newbern, TN |
36 08 12.57251 N |
89 14 53.33966 W |
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TDOT DISTRICT 43 |
Bethel Springs, TN |
35 13 42.87496 N |
88 36 14.13100 W |
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TDOT DISTRICT 44 |
Jackson, TN |
35 38 25.52637 N |
88 55 08.65349 W |
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TDOT DISTRICT 45 |
Arlington, TN |
35 17 57.39585 N |
89 39 34.62634 W |
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TDOT DISTRICT 46 |
Crump, TN |
35 13 16.58751 N |
88 19 06.07634 W |
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TDOT DISTRICT 47 |
Whiteville, TN |
35 19 11.09337 N |
89 09 35.95086 W |
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TDOT DISTRICT 48 |
Paris, TN |
36 17 45.78045 N |
88 17 47.70534 W |
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TDOT DISTRICT 49 |
Ripley, TN |
35 46 48.32709 N |
89 31 08.93585 W |