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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Table 3-2. - Characteristics of SKYWATER dual-frequency radiometer <br /> <br />Channel <br /> <br />Vapor Liquid <br />20.6 6Hz 31. 66Hz <br />1.0 6Hz 1.0 6Hz <br />0.9 cm 1.5 cm <br />675.0 K 875.0 K <br />0.26 K 0.26 K <br />2.40 2.20 <br />1.0 s 1.0 s <br /> <br />RF band width <br /> <br />Wave length <br /> <br />Receiver noise temperature <br />(not including antenna) <br /> <br />Sensitivity with 6C <br /> <br />Antenna beam width (3 dB) <br /> <br />Postdetection integration time <br /> <br />Power requirements <br /> <br />220-v single phase - 60 Hz <br />50 cm x 50 cm parabolid <br /> <br />Antenna <br /> <br />Data collection rate: <br /> <br />Vertical pointing unattended 2 min <br />Operator controlled 5 s <br /> <br />III-17 <br />