that is determined by the coyotes, not the hunter. recon pays big divedens here. walk the trails and check the scat to see what they are eating. feathers or hair, then you can decide . if the deer hunters have been lucky they may be haveing gut pile, check it out. most guys get a topo, get a fancy electronic call, go into a new area make a few call and get discoraged and may never go again. go into your area after a fresh snow and get on a coyote track and pay attention to where he takes you learn from him. let him show you what he likes to eat, where he likes to go. you will learn more this way than any videoor any expert could ever teach you. bring your GPS or camera and document where he makes a kill or finds his food . this will be where you will make your next calling, he will remember the last time he ate there. more important than the call you use , know your quarry , know his back yard, put yourself where he feels comfortable. you want to go one step futher set up trail timers to find out when he likes to come through a frequented area. once you get to know all this then you can decide what call you might try at a spot you know will be promising.