SC Marine Electronics Charleston, South Carolina's headquarters for repairing broken marine electronics and installation of new electronics. Have a inoperative GPS, VHF, RADAR, or anything else electronic?Let us get your broken marine electronic back into operational condition. Looking to have a new chartplotter installed?You have come to the right place. SC Marine Electronics specializes in electronic repair and installation of marine electronics from communication to navigation.We install electronics on yachts of all sizes.