Complex sentence: The 94.1 frequency was originally KOAD, owned by the Omaha World-Herald, in 1941 at 94.3 until 1949 when it moved to 94.1 and went silent.
Split into simpler sentences: The 94.1 frequency was originally KOAD, owned by the Omaha World-Herald, and launched on 94.3 FM in 1941. This lasted until 1949, when it moved to 94.1 and went silent.