I hunt for fur and i use coon calling all the time! I call almost all day at different positions for 10-20 minute stands. I like to use johhny Stewarts Raccon Calls Volume 1:
Raccon Fight
Raccon and Squealing Bird
Raccon and Gray fox fight Squealing Bird
They all work good its just depends on the time and place. And for a good tip...since i use the electronic call. I always use a squeek mouth call in the stand to add to the reality