OK, I solved my problem. Two channels were missing from the favorites, Justice and Bounce. I have them added back by following this process:
1. Press "SAT"
2. Select satellite from the list - in this case G19.
3. Press "OK"
4. Press "MENU"
5. Select "Channels" from the icons on screen.
6. Select "Set Favorites"
7. Choose the Favorites list from the choices.
8. From the listing of channels, select or deselect channels for your favorites list using the "OK" button.
9. When your choices are complete, Press "EXIT" to finish, and "YES" for saving.
Now you have the channels that you want in your favorites list, which comes up when you press "OK".
After following this process, I have added the missing channels back into my favorites list.

All the channels were already found by scanning, no problem there, just would not show in the favorites list when pressing "OK". It was not obvious to me that I was getting only a favorites listing when pressing "OK". Then the process of establishing the favorites list was not obvious to me. I am getting a little smarter in my old age, it just takes more time....