I have a 2011 nav. chip for my HB 587, I only use it for one lake. I missed the window for the free up grade.
question is there away to contact navonics to see if the 80$ upgrade Id see for my one lake truely have the upgrades worth the effort and exspense......Dale Hollow lake tenn/Ky
question is there away to contact navonics to see if the 80$ upgrade Id see for my one lake truely have the upgrades worth the effort and exspense......Dale Hollow lake tenn/Ky