Complex sentence: The station was founded on 29 September 1963 on channel to offer local programming, but received interference from a local Venevisión affiliate in Venezuela, also on channel 12, and was given permission to move to channel 13 later on.
Split into simpler sentences: The station was founded on 29 September 1963 on channel to offer local programming. The new station received interference from a local Venevisión affiliate in Venezuela, also on channel 12, and was given permission to move to channel 13 later on.