Trial and error for your circumstances may be the "best" answer, but here's some thoughts.
If you are calling in an area with a high density coyote population, you are probably not going to be able to call coyotes from far away. The would have to cross territory lines to get to you, and that's not common.
If there is a sparser population, territories will be much larger, and there may not be a coyote within a mile (or more) from you when you start calling. They can't come to a sound they don't hear.
One of our most successful guys here on the board takes a couple of hundred coyotes a year by calling. He normally calls very softly and then sneaks just a couple of hundred yards to his next stand. Obviously he also hunts high coyote population areas.
And welcome to Predator Masters. /ubbthreads/images/graemlins/grinning-smiley-003.gif
