I thought the recent thread on how to max out in SS ( and others ) was very interesting and hope it will continue. But, in the meantime, I have been playing around with the FCC database, and have found the following to be true. IF you work a 2x1 K call and the second letter is I-Z, it is a 4 letter call. Might help out on the ole UBN. More to come. 73 Ed