Complex sentence: On June 12,2009, WHAM-TV shut off its analog signal on channel 13 had been on the air since 1962 and moved from channel 59 to channel 13 prior to the analog television shutdown and digital conversion.
Split into simpler sentences: On June 12,2009, WHAM-TV shut off its analog signal on channel 13. It had carried an analog broadcast since 1962 and moved from its digital signal from channel 59 to channel 13 prior to the analog television shutdown and digital conversion.