138
Navigation System
Coverage Areas
South Carolina
Beaufort
Charleston
Columbia
Greenville/Spartanburg –
including
additional cities in Greenville and
Spartanburg Counties
Myrtle Beach Metro
Rock Hill Metro
Sumter/Florence
South Dakota
Rapid City
Sioux Falls
Tennessee
Chattanooga
Chester County
Franklin County
Johnson City/Kingsport/Bristol
Knoxville/Farragut Metro
Memphis Metro –
including Desoto
and Tunica Counties
Nashville
Texas
Abilene
Amarillo
Austin Metro
Beaumont
Big Bend
Brownsville
Bryan/College Station
Corpus Christi
Dallas/Fort Worth Metro –
including
additional cities in Grayson County
El Paso
Houston Metro –
including additional
cities in Galveston County
Laredo
Longview
Lubbock
McAllen
Midland/Odessa Metro
Nacogdoches-Lufkin
San Antonio Metro
South Padre Island
Texarkana
Wichita Falls
Utah
Moab
Ogden
Park City
Salt Lake City Metro
St. George
Vermont
Rutland
State of (partial) -
including
Burlington, Montpelier
Virginia
Washington D.C. detailed area –
including Alexandria, Arlington,
Fairfax, Falls Church, Fauquier
County, Fredericksburg City,
Manassas, and additional cities in
Loudon and Prince William Counties
Bristol
Charlottesville
Danville
Emporia
Lynchburg
Richmond Metro
Roanoke
Shenandoah National Park
Staunton-Waynesboro-Harrisonburg
Williamsburg/Norfolk/Virginia
Beach Metro –
including Charles
City, Hopewell, Kent, and Prince
George Counties
Winchester
Washington
Bellingham
Seattle/Tacoma/Olympia Metro –
including Island County
Spokane
Tri-Cities
Whatcom
Point Roberts (community)
Yakima