1: Different Valid call: similarity 0%; skip 2: Different Valid call: similarity 0%; skip 3: Different call: not Valid or frequency difference >=110 Hz; skip 4: Different Valid call: similarity 0%; skip 5: Same-call match 1 6: Different Valid call: similarity 0%; skip 7: Different Valid call: similarity 0%; skip 8: Different Valid call: similarity 0%; skip 9: Different Valid call: similarity 0%; skip 10: Different Valid call: similarity 0%; skip 11: Different call: not Valid or frequency difference >=110 Hz; skip 12: Different Valid call: similarity 0%; skip 13: Different Valid call: similarity 0%; skip 14: Different Valid call: similarity 0%; skip 15: Different call: not Valid or frequency difference >=110 Hz; skip 16: Different Valid call: similarity 0%; skip 17: Different Valid call: similarity 0%; skip 18: Different Valid call: similarity 0%; skip 19: Different Valid call: similarity 0%; skip 20: Different Valid call: similarity 0%; skip 21: Different call: not Valid or frequency difference >=110 Hz; skip 22: Different Valid call: similarity 0%; skip 23: Different Valid call: similarity 0%; skip 24: Different Valid call: similarity 0%; skip 25: Same-call match 2