Two separate businesses, so doesn't have to be part of sale. But I'd imagine the Angeloses would sell together to maximize value. I can't decide if I think MASN is an asset or not, probably depends on if the current 2/3 split with Washington and control over tv rights remains or if MLB manages to gut it.
I'm sure it's not worth very much to them independent of the teams. I think the main plus is trying to rig the profits/rights fees so as little go to the Nats as possible, but an independent owner wouldn't have the same incentives. And I don't really want the team to have to sue Angelos every year to determine the rights fees.