NASA Clipper Tactical Wind System — True & Apparent WiNASA Clipper Tactical Wind System delivers realtime apparent and true wind data in NMEA 0183 MWV format for tactical sailing and instrument displays. NMEA 0183 output MWV sentence, 4800 baud; update rate 10 Hz (10 updates s). Mast transmitter supplied with 20 metre (65. 6 ft) cable. Wind sensor range 051. 4 m s (099. 9 kts); display wind speed 050. 9 m s (099 kts). Wind direction 0360; display angle represented by 60 segments. Supply nominal 12 V;