Complex sentence: The broadcasts of VE9EC were broadcast in 60 to 150 lines of resolution at 41 MHz. This service closed around 1935, and the outbreak of World War II put a halt to television experiments.
Split into simpler sentences: The broadcasts of VE9EC were broadcast in 60 to 150 lines of resolution at 41 MHz, This service closed around 1935. The outbreak of World War 2 put a halt to television experiments.