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Good luck. Follow their pattern. Like the others said dont call while they are roosting. I see your another Klickitat area member. Welcome.
Maybe the biggest fraud in all turkey hunting lore is the "put 'em to bed and get 'em in the morning" fantasy. This situation that you describe is the "NORM", not the exception. I would dare say that 90% of the time when this strategy works, it's because you set up in an area they intended to fly down to anyway, or, you set up in their normal travel route. In all reality, you may think you called them in...but alas, no...they just were going to walk that route anyway. I know, going to be a bunch of boys come on and say..."that's not true, I call them in off the roost all the time"...to this I say, sure, what ever makes you feel good. To all you other guys that weren't so lucky...don't give up, still lots of fun just being out there in the woods.
I will do a sleepy tree yelp but just once after hearing them get going in the morning. If he gobbles, he recognizes me as a "real" live hen ... I shut up until I hear them really building up in volume and speed. Then I'll fly down cackle while simulating a fly down by beating my hat against my leg. Again shut up and use his curiosity and sex drive against him. It does pay to find which way they go after fly down, simply because they usually go that way again and its easier to call any bird in the direction he wants to go anyway.
I call w/a mouth call and a box at the same time, sounds like more then one bird.