inputs.text: dissapointing range garmin astro 220 dc30 collar - used garmin dog tracker deer hunt ontario legally hunt deer hounds first week november terrain open hardwoods rolling hills longest tracking got one mile 146 kms far cry product claims cant see product working summer months full leaf coverage also lot cedar swamps would cut gps transmission time positive side unit work limited range deer hounds tend range lot one mile especially get hunting area[ [ asinb001g5qup2 garmin astro dog tracking system gps receiver hiking ] ]