Anyone haveing problems with there 220s not communacating with the collars over 900yrds?

Guys that cant run year round what do you do to keep dogs in shape? Im running the dogs about every other day or two anywhere from 4 to 7 miles at 12 to 14 miles an hour.

What are you feeding for dog food and the price on it?

I Have three spots open for 2012 bear season in the newberry Michigan area 5 day hunts pm for more details