... speed and direction rain guage PROFESSIONAL WEATHER STATION WITH RADIO CONTROLLED TIME WH3080 433MHZ, with RCC, transmission ... 0-50.0m/s.7. Wind speed accuracy: +/-1 m/s (wind speed<10m/s) +/-10% (wind speed ... and date of their recordings 9. Wind speed(mph, m/s, km/h, knots, Beaufort)10. Wind ... Fahreheit or Celsius. 17. Receive and displays the radio controlled time and date(WWVB, DCF version available) ...