[FREQUENCY] FREQ = 546000000 BANDWIDTH_HZ = 8000000 DELIVERY_SYSTEM = DVBT ...
Once you have your initial file ready, run dvbv5-scan via the terminal. Specify your initial file as the input, and define an output file name where your final channel list will be saved. dvbv5-scan us-NY-NYC-custom -o channels.conf Use code with caution. Common Command Flags:
The dvbv5-scan utility relies on a targeted search methodology. Unlike "blind scan" tools like w_scan , which cycle through every conceivable radio frequency over several hours, dvbv5-scan uses a predefined list of transponders. dvbv5scan initial file
The modern DVBv5 format is based on a series of key/value properties. Each transponder entry is typically started with a label in brackets, followed by technical specifications: : The header for a new transponder entry.
💡 : If your local area isn't listed in /usr/share/dvb/ , you can often find the latest frequencies on websites like Digitalbitrate or KingOfSat and manually create your own initial file. To help you get the right parameters, could you tell me: What country and city are you in? dvbv5-scan us-NY-NYC-custom -o channels
Digital television receivers require accurate physical layer parameters to tune to a specific multiplex (also called a transponder or frequency channel). The scanning process involves iterating through a known set of frequencies, modulation parameters, and symbol rates to discover all services (TV/radio channels) within a signal area.
This file will instruct dvbv5-scan to attempt a scan on the frequency 546 MHz for a DVB-T signal. The modern DVBv5 format is based on a
/usr/share/dvb/dvb-legacy/ (Older format, requires conversion)
When you run dvbv5-scan , the utility reads this file, tunes your DVB hardware to the specified frequency, and locks onto the signal. Once locked, it reads the Network Information Table (NIT) broadcasted by the provider. The NIT contains the frequencies and parameters for all other transponders on that network. dvbv5-scan then uses that data to scan the rest of the spectrum and generate a complete channel list. The Evolution: Legacy (V3) vs. Modern (V5) Formats
Think of it as a "map" or "hint list" – not the destination list, but a guide to where channels are likely found.
The tool will probe each frequency listed, detect actual services, and output the final channel parameters.