SKIPPER DL21 Dual Axis Doppler Sensor SKIPPER DL21 sensor is designed for the SKIPPER DL21 Dual Axis Doppler Speed Log System. It provides Speed Through Water (STW) and Speed Over Ground (SOG) in two or three axes (Doppler). In addition, it provides Speed Through Water (STW) in one axis. The SKIPPER DL21 is a Dual […]
