Wikipedia
WIFR
WIFR, virtual channel 23, is the CBS television affiliate based in Rockford, Illinois and licensed to nearby Freeport. It broadcasts its digital signal on UHF channel 41 from a transmitter at its studios on North Meridian Road in Rockford. though it formerly broadcast its analog signal on channel 23, which it continues to use as its virtual digital channel via PSIP. It is currently owned by Gray Television. WIFR is the only television station in the Rockford market to retain the same network affiliation since it first signed-on.