If you use TitanTV, you can share your channel lineups. To use the shared lineup you need to be a member of TitanTV, then select create listing from Token. While I know all the channels aren’t included, here is a shared list for DirecTV Now:
Share Token: IHjsvzKSpntHwFnl4y6DtdN!5Dswop74A0ZUix1bHCY22U7u!5F!vg