what are all the network names?
canal de las estrellas, canal 5, tv mas, azteca 7, galavision, once tv, azteca 13, televisa regional
who owns each network?
televisa, televisa, gobierno de veracruz, tv azteca, televisa, instituto politecnico nacional, tv azteca, televisa
what about just azteca 13?
tv azteca
which other network shares this owner?
azteca 7