Humminbird AS GR50 50 Channel GPS/WAAS Satellite Receiver 50 Channel GPS For use with any Humminbird Fishfinder that is GPS ready. 50 channels give you increased accuracy over the standart 16 channel GPS. List Price: $ 219.99 Price: $ 123.00 More: Garmin GPSMAP 431 GPS ChartplotterGarmin GPSMAP 431 Marine Navigator 010-00765-00 Marine Navigators… Humminbird 385ci 3.5-Inch Waterproof Marine GPS and Chartplotter with SounderThe Humminbird 385ci is designed for those who demand top-of-the-line technology, but don’t […]