I’m not familiar with Sinclair, what networks are theirs?
Sinclair Broadcast Group, Inc. is one of the largest and most diversified television broadcasting companies in the country today. Sinclair owns and operates, programs or provides sales services to 162 television stations in 79 markets. Sinclair's television group reaches approximately 37.5% of US television households and includes FOX, ABC, MyTV, CW, CBS, NBC, Univision and Azteca affiliates.
You can look here to see if there's a station near you.
Sinclair is a chain of independently owned TV stations (WBFF in Baltimore, WPGH in Pittsburgh, WSMH in Flint, MI, etc.) The ownership ran some Conservative documentaries during the 2004 Presidential race.