Letter-Number Calls like K3WWP, N4ROA, W4KFC, etc. 1 2 3 4 5 6 7 8 9 0 K __ __ __ __ __ __ __ __ __ __ N __ __ __ __ __ __ __ __ __ __ W __ __ __ __ __ __ __ __ __ __ Letter-Letter Calls like AB2E, KB3LFC, NU4B, WA9XXX, etc. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A __ __ __ __ __ __ __ __ __ __ __ __ K __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ N __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ W __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __