Yes, I saw, but there is more to it than raw signal strength sometimes. Next time you are getting 33 but not 3 and 8, try to to watch them on a PC with hdhomerun_config_gui. It will show if you can't get a lock on a PLP that carries the channel. What else is different between 33 and 3 & 8? Resol...

It sure sounds like you have a marginal signal on the problematic channels. I'm guessing you are talking about the Las Vegas stations from the ATSC 3.0 channel line up you mention. If not, what are the callsigns or city? 106.1 broadcasts on KGHD-LD low-VHF 6. The others - 103.1, 108.1, 113.1, 133.1 ...