NBC 7 San Diego Live TV. Watch NBC 7 San Diego live online (KNSD, channel 39 / cable 7), a local TV station based in San Diego and owned by NBCUniversal, delivering live streaming of local news, weather, sports, and programming from NBC, accessible on all devices and backed by a long-standing history since 1965 along with integrated Spanish-language content through Telemundo. KNSD
