In 1976, WLWI became WTHR, as the station was acquired by Dispatch Broadcast Group. The typeface for this 13 is Helvetica Black.
On June 1, 1979, WTHR became an NBC station, sending the ABC affiliation to WRTV; the station kept its 1976 Helvetica Black 13; which matched the font used by a number of NBC affiliates during this era.
The typeface used for this logo is Serpentine Bold; which was used for the logo of NBC News between 1982 and 1985.
Channel 13 Eyewitness News logo (2002–2014)
Alternate logo with call letters and NBC logo (2014–present)
Flat version (2020-present)
Station ID seen in daytime newscast opens (2014–2020)
Station ID seen in early-evening newscast opens (2014–2020)