KTAL-TV, virtual channel 6, is the NBC

NBC

The National Broadcasting Company is an American commercial broadcasting television network and former radio network headquartered in the GE Building in New York City's Rockefeller Center with additional major offices near Los Angeles and in Chicago...

 television affiliate serving the Shreveport, Louisiana

Shreveport, Louisiana

Shreveport is the third largest city in Louisiana. It is the principal city of the fourth largest metropolitan area in the state of Louisiana and is the 109th-largest city in the United States....

/Texarkana, Arkansas-Texas market. It is licensed to the Texas side of Texarkana

Texarkana, Texas

Texarkana is a city in Bowie County, Texas, United States. It effectively functions as one half of a city which crosses a state line — the other half, the city of Texarkana, Arkansas, lies on the other side of State Line Avenue...

 and is the only station in its market licensed outside of Louisiana. Its main studio is located in Shreveport with a satellite studio in Texarkana. KTAL-TV broadcasts its digital signal on channel 15, which redirects to its former analog channel 6 via PSIP.