There's some poop in all the help:

1) The latest AMPR coordinators are at: http://noh.ucsd.edu/~brian/amprnets.txt
(which if you can't remember, it's on the www.ampr.org page)
The one in the FTP directory is obsolete (for some reason, bad script probably).

2) To make changes to the robot, the address is:
If you use anything else it will produce heat only.

Good luck,
Jim