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<br />Page 16 <br /> <br />Table 4. -- AeroVironment Model 2000 Doppler Acoustic Sounder Specifications <br /> <br />Wind Speed Range (nominal) <br /> <br />Wind Speed Precision (nominal) <br /> <br />Components <br /> <br />Vertical Height Range <br /> <br />Vertical Height Resolution <br />(height interval) <br /> <br />Minimum Height for Reliable <br />Data (nomi na 1) <br /> <br />Transmit Pulse Frequency <br /> <br />Transmit Pulse Width <br /> <br />Transmit Pulse Interval <br /> <br />Transmit Power Level <br /> <br />Averaging and Reporting Interval <br /> <br />Output Format <br /> <br />0-25 mIs, component wind; 0-35 mIs, vector <br />wind <br /> <br />0.2 m/s in locations of high signal-to-noise <br />ratio <br /> <br />Two: horizontal orthogonal <br />600-meter, AGL standard, operator-selectable <br /> <br />30 meters <br /> <br />60-meter AGL <br /> <br />1500 Hz <br /> <br />180 milliseconds <br /> <br />Dependent upon vertical height range. For <br />600-meter, a pulse is transmitted approx- <br />imately every 5 seconds. Antennas are <br />alternated. <br /> <br />100 electrical watts at antenna <br /> <br />15 min. standard, approximately 100 pulses <br />per antenna for 600-meter vertical height <br />range. Operator-selectable, 2 minutes to 30 <br />minutes. <br /> <br />Operator-selectable: <br />Component output: u, v in m/s <br />Vector output: U, V in mls and degrees <br />