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WMOD00296 (2)
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Last modified
7/28/2009 2:34:16 PM
Creation date
4/11/2008 3:45:00 PM
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Template:
Weather Modification
Contract/Permit #
14-06-D-5640
Title
Park Range Atmospheric Water Resources Program Final Report
Date
9/30/1969
Weather Modification - Doc Type
Report
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<br />.. <br />~ <br /> <br />TABLE 3 <br /> <br />1:. <br /> <br />RESULTS OF FIELD CALIBRATION <br />OF GENERATORS - 1968 <br /> <br />Temp. N /liter N / second N / gram <br />-13 O. 1 9 <br />4. 0 x 10 <br />-15 2. 0 8.0 x 1010 3. 0 x 1012 <br />-17 8. 0 3.2x1011 1.2xl013 <br />-18 140. 0 5. 6 x 1012 1.9x 1014 <br />-20 335. 0 1.3x 1013 5. 0 x 1014 <br /> <br />2. 2 FM/FM Tone Telemetry Controller <br /> <br />An FM/FM Tone Telemetry Controller was developed and constructed for <br />remote operation of cloud nucleating devices. The telemetry system both <br />controls the generator and monitors the operation of the generator. A UHF <br />(417 MHz) frequency is used for the radio channel. The remote generator <br />station operates from rechargeable batteries and is designed for minimum <br />power requirements. The control station operates from commercial power <br />and uses a paper chart recorder to keep a record of generator performance. <br />An output is available for interfacing to a magnetic tape recorder. Details <br />of the controller are given in Appendix C. <br /> <br />!! <br /> <br />2. 3 Aircraft Operations <br /> <br />Beechcraft Queen Air aircraft from NCAR':' and Batelle':' were used for four <br />winter seasons of diffusion tests. These diffusion tests were all conducted <br />under VFR (visible flight rules) flying conditions so that the operations pre- <br />sented no major problems (except for finding the runway on several occas- <br />ions, after the ceiling had.suddenly dropped over the entire area). <br /> <br />During the last season, an EG&G Queen Air was used for aerial pyrotechnic <br /> <br />':'National Center for Atmospheric Research, Boulder, Colorado <br />':'Batelle Northwest Laboratories, Richland, Washington <br /> <br />~ <br /> <br />18 <br />
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