[CBS] DELIVERY_SYSTEM = ATSC FREQUENCY = 509000000 MODULATION = 8VSB
dvbv5-scan -o output_file initial_file
dvbv5-scan my_initial.conf -o all_services.conf dvbv5scan initial file
reads this file to lock onto a known working transponder, read its Network Information Table (NIT), and automatically discover all other available channels and services on that network. LinuxTV.org 📂 Where to Find Initial Scan Files read its Network Information Table (NIT)
To scan for over-the-air DVB-T channels in Sydney, Australia, using an initial file and saving the resulting channel list: dvbv5scan initial file