It is a reception issue, which I don’t quite understand as I get other stations in the same tower location. However, I discovered this tool in hdhomerun that shows signal strength and quality:

Check a strong ATSC 1.0 channel:
hdhomerun@channelsvr:~$ hdhomerun_config 192.168.0.107 set /tuner0 ...

Thanks for the response. You may be right, I have some weak signals here 40 miles from the towers. I have an antenna and preamp upgrade coming up that may help. But good to know they should show up whether encrypted (playable) or not.

I have the Flex 4K so I have two ATSC 3.0 tuners. I don’t see any channels listed at 100 or above.

So if I don’t see any listed in the Channel Lineup does that mean there aren’t any? Or just there aren’t any that are not encrypted? I don’t see any.

Only been using HDHomeRun/Channels DVR Server for two days and it’s working very well. As little as I have been able to find out, most commercial stations in Seattle area are broadcasting encrypted ATSC 3.0. Is there a way to just see if anything is being received, even if it can’t be played? Signal ...