Welcome to ATC Sign-Up Page!
Your username can be up to 12 letters. You can use numbers if you want, but no spaces or punctuation marks.
Your password should be at least 8 characters
long and should contain one number, one lowercase letter, one uppercase letter and one special
character (@#?!*^$).
Pick a password that you can remember, but not one that would be easy
for other people to guess.
Change
your
password frequently for security.