Complex sentence: On March 5,2012, XETV added a second network affiliation on analog channel 6 and digital subchannel 6.2 in standard definition, when it became the new Tijuana affiliate for Televisa's Canal 5 network, which was formerly carried by XHBJ-TV.
Split into simpler sentences: On March 5,2012, XETV added a second network affiliation on analog channel 6. When it became the new Tijuana affiliate for Televisa's Canal 5 network, which was formerly carried by XHBJ-TV.