Callsigns may only contain alphanumeric characters and the following symbols: ! @ # $ % ^ & * _ . and spaces. Callsigns may not have two spaces next to each other and may not end with a space. Finally, callsigns must begin with an alphanumeric character. Please note that callsigns are case sensitive. In other words, if you register with the callsign Newbie, you will not be able to log in using newbie, newbiE, NEWbie, etc.
