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Meteorological Radars

Digital Radio theodolite System


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  • DESCRIPTION
  • TECHNICAL
  • SPECIFICATIONS

The mono-pulse angle measurement mode is adopted in this digital radio-theodolite system. Through tracking the radiosonde carried and raised up in the air by the ballon, the system can measure the temperature, humidity, atmospheric pressure at different layers of atmosphere up to 30km altitude, and calculate the wind direction & wind speed values at different atmospheric layers. Therefore, the system can provide precise meteorological information of upper air for weather forecasting, meteorological analyses and supports.

Main technical specifications


 Operating frequency

 L band

 Antenna form

 Planar array monopulse antenna

 Detection range

 Slant distance: 200km

 Altitude: 30km

 Azimuth: 0°~360°

 Elevation: 8°~87°

 Temperature: -90 ~ +50

 Pressure: 1060hPa ~ 5hPa

 Humidity: 0~ 100%RH

 Wind direction: 0°~360°

 Detection accuracy

 Angular tracking error: 0.11° in elevation, 0.07° in azimuth

 Wind direction: 5° (wind speed25m/s), 10° (wind speed<25m/s)

 Wind speed: 1m/s (Wind speed <10m/s),10%(wind speed> 10m/s)

 Temperature: 0.5

 Humidity:5%RH(atmospheric pressure>300hPa),7%RH(atmospheric pressure < 300hPa)

 Pressure: 1.0hPa (atmospheric pressure < 200hPa), 1.5hPa (atmospheric pressure200hPa)


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