Complex sentence: WTSD-CA BSTA-20060626AAQ 06/26/2006 (granted 06/28/2006) engineering STA now operating at 500 watts ERP using solid state back-up system because main transmitter TH610 Diacrode tube blew out.
Split into simpler sentences: WTSD-CA BSTA-20060626AAQ 06/26/2006 (granted 06/28/2006) Engineering STA. ERP: 500 watts using solid state back-up system, main transmitter TH610 Diacrode tube blew out.