You can simply change the url address from "apr05" to "oct05". For example:
Old:
http://www.amtrak.com/timetable/apr05/P03.pdf
New:
http://www.amtrak.com/timetable/oct05/P03.pdf
I've tried on other, but haven't test them all yet, and they are working.
Old:
http://www.amtrak.com/timetable/apr05/P03.pdf
New:
http://www.amtrak.com/timetable/oct05/P03.pdf
I've tried on other, but haven't test them all yet, and they are working.