My dad is hiking the AT, and I thought maybe some of you would be interested in reading his trail journals. They'll likely be sparse because he'll be on the trail days at a time before seeing a town to stop in and even less likely, find a computer he can use. So here is the link to his Trek Blog and here is the first post:
Kudos to your dad. Hiking a portion of the AT is something that we have considered doing. The logistics alone fascinate me.