Did you know that you can switch from a C-MAP, Fishing Hot Spots, Garmin, LakeMaster, Lowrance, or TrakMaps card to Navionics card? Your card with then be a Navionics + card wioth Sonarcharts ability. Pretty cool stuff, particularly if you were thinking about switching over - it will save you some coin. Just found out about this after a friend wanted to switch from LakeMaster to Navinoics
