Dimensions 1 7 9 Feed 1 0 0 Antenna 4 0 1 0 5 2 1 2 5 Null 19 0 2 0 3 0 8 1 3 1 4 2 6 3 0 3 2 3 6 3 7 4 2 4 3 4 5 4 6 4 7 4 8 6 2 6 3 6 8 Length 1 5 3 Solution 13 0 0 1 0 1 0 2 0 2 0 3 1 3 1 2 2 2 2 2 3 2 3 2 4 2 4 1 5 1 5 2 5 1 5 0 5 2 3 1 2 1 2 1 1 1 1 2 1 1 1 0 1