Measurement of water flow in open channels, Method 6.8: Measuring devices, instruments and equipment - Position fixing equipment for hydrometric boats
明渠水流测量 方法6.8:测量装置、仪器和设备.水文测量船用定位设备
Specifies methods of determining the position of hydrometric boats with respect to known points on the banks of rivers and estuaries. It is identical with and has been reproduced from ISO 6420:1984.