bids are invited for echo sounder with intergrated gps - portable echo sounder with integrated gps receiver echo sounder - dual frequency, accuracy plus minus 0.01m. gps logs and displays gps position data in wgs84 or local grid plus minus 4m cep, with no correction plus minus 2m cep. data outputs real time rs232 output on a single channel. data display-40x128 pixel graphics lcd display, inbuilt 8.4ah sealed rechargeable battery, memory 16mb , transducer - 210khz transducer 10m cable and mounting spar. , survey software - survey software hypack (r) max, hydrographic software for single beam data acquisition and processing one license.including one hardlock , gps cable and antenna - integral 12 channel gps gps/sbas receiver antenna, 5m & 10m cable and mounting spigot. , ac dc adaptor - suitable ac/dc adaptor charging from ac 240 v and dc cable with connector fischer. total quantity : 5