If your next attempt seems to be going like the other two, try a gobble call accompanied by a jake-type decoy set up directly above and behind a hen on the ground about 20-25 yards from you and visible from the direction he will be coming. Often another gobbler will not tolerate a strange tom in his territory, especially if he is attempting to breed a hen. If he responds to your gobbles, exchange gobbles 4-5 times and then go silent or sooner if he is coming your way. Let us know how it goes.