The VideoLAN Forums

Just use the scan utility. This is what I used to get the Milwaukee station list for my card.

mkdir ~/.azap
scan -vvv -a 0 /usr/share/dvb/atsc/us-ATSC-center-frequencies-8VSB -o zap -x -1 -A 1 > ~/.azap/channels.conf

After file was created did some manual editing for clean up.

If you mean in real time, check out this posting: viewtopic.php?f=13&t=66311&p=220983&hilit=atsc#p220983

Thanks Byron! Definitely works for me. Have you uncovered the secret on how to record ATSC yet?