So, I understand the challenges with ATSC3 with DRM. I decided to buy a HDHomeRun Flex 4k, knowing this and that basically ATSC 3 that is encrypted won't work. I know the Flex 4k has both ATSC 1 and ATSC 3 tuners. From the channel selector on the app, I can't tell what might be an ATSC 3 channel. My...