To add to this how non-US licenses are done, there is an additional rule with a number prefix, For example a station in Kuwait might have a call beginning with

To add to this how non-US licenses are done, there is an additional rule with a number prefix, For example a station in Kuwait might have a call beginning with 9K2. Additionally, some have two digits, for example a Slovenia call might be S52. So the above rule would be modified to be zero or one digit, one or two letters, and one or two numbers, followed by suffix. --w8lvn, ex-YJ0VN. --