I have Channels DVR and use Vidgo Plus. I'm able to access all three, FS1, FS2, & BTN when I go out to fox.com/live and use my Vidgo login credentials.
If I go into my Channels DVR server and 'Edit' the Vidgo channels list and go down to FS1, FS2, & BTN, they show :
I've tried doing a rescan for each and get the same results.
Just checked all three about 2 minutes ago.