Sentry Broadcasting Corporation

1954-1963
The "wavy 7", later used by Lasgahore Broadcasting and Television, was used by PRSE-TV as an alternate local symbol until the early 80s.

1966-1976
The logo was adopted when SBC got licenses for further cities. The logo depicted three bolts representing the ideology of the "three sentries", the founders of the newspaper, two of them were still alive by then, but oficially it represented the stations in Grand Rapids, Galveston and the federal capital Bensonland.