Marine Electronic Services Ltd will launch MAC ENC at the London Boat Show in January. MAC ENC is a new MAC based electronic charting programme capable of real time navigation. Its turns you MAC notebook into a full function electronic chart plotter and it accepts industry standard NMEA data from GPS, instruments and AIS receivers. It will provide an overlay of your current position, previous track and current course on detailed electronic charts. Waypoints can be created and edited at the click of a mouse and can include name, icon and description information.