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instruments:ceilo:ceilometer [2014/11/25 15:51] sandrainstruments:ceilo:ceilometer [2020/02/06 09:02] jan
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 ====== Ceilometer CT25K ====== ====== Ceilometer CT25K ======
-//Mentor: [[http://www.geomet.uni-koeln.de/allgemein/das-institut/mitarbeiter/detailansicht/20d375378775b0943122aa4d1e817fe4/?tx_wtdirectory_pi1[show]=83&tx_rggooglemap_pi1[poi]=83|SSteinke]]//+ 
 +//Mentor: [[http://www.geomet.uni-koeln.de/das-institut/mitarbeiter/schween/|J.HSchween]]//
  
 ===== Principle ===== ===== Principle =====
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 ===== Instrument ===== ===== Instrument =====
-{{:instruments:ceilo:ceilo_tophat.jpg?300}}\\+{{:instruments:ceilo:img_2776_1.jpg?200|}}\\
 Current setup at [[http://www.fz-juelich.de/|Research Center Jülich]] on the roof of IEK-8. Current setup at [[http://www.fz-juelich.de/|Research Center Jülich]] on the roof of IEK-8.
  
 ===== Data ===== ===== Data =====
-  * If you are interested in receiving data please contact the instrument mentor: // [[http://www.geomet.uni-koeln.de/allgemein/das-institut/mitarbeiter/detailansicht/20d375378775b0943122aa4d1e817fe4/?tx_wtdirectory_pi1[show]=83&tx_rggooglemap_pi1[poi]=83|SSteinke]]//+  * If you are interested in receiving data please contact the instrument mentor: // [[http://www.geomet.uni-koeln.de/das-institut/mitarbeiter/schween/|J.HSchween]]//
  
-  * [[http://gop.meteo.uni-koeln.de/~hatpro/dataBrowser/dataBrowser2.html?site=JOYCE&date=-1&UpperLeft=Ceilometer_Backscatter&UpperRight=Ceilometer_Instrument-status|Quicklook archive]]+  * [[http://gop.meteo.uni-koeln.de/~hatpro/dataBrowser/dataBrowser2.html?site=JOYCE&date=-1&UpperLeft=Ceilo_ct25k_Backscatter&UpperRight=Ceilo_ct25k_Instrument-status|Quicklook archive]]
  
  
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 ^  Period  ^  Place  ^  Project  ^ ^  Period  ^  Place  ^  Project  ^
 | 10/2010 - today | [[http://www.fz-juelich.de/|Research Center Jülich]], Germany |  | | 10/2010 - today | [[http://www.fz-juelich.de/|Research Center Jülich]], Germany |  |
-| 2007 - 2010 | [[http://www.fz-juelich.de/icg/icg-4/index.php?index=500|Selhausen]], Germany | [[http://www.tr32.de|TR32]] |+09/2007 - 10/2010 | [[http://www.fz-juelich.de/icg/icg-4/index.php?index=500|Selhausen]], Germany | [[http://www.tr32.de|TR32]] |
 | winter months 2008/2009 | [[http://www.schneefernerhaus.de/|UFS]], Zugspitze, Germany | [[http://gop.meteo.uni-koeln.de/tosca/| TOSCA]] | | winter months 2008/2009 | [[http://www.schneefernerhaus.de/|UFS]], Zugspitze, Germany | [[http://gop.meteo.uni-koeln.de/tosca/| TOSCA]] |
 | 2006 - 2007 | Nangatchori, Benin | [[http://amma-international.org/|AMMA]] | | 2006 - 2007 | Nangatchori, Benin | [[http://amma-international.org/|AMMA]] |
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 | Average Power | 8.9 mW | | Average Power | 8.9 mW |
 | Pulse Width | 100 ns | | Pulse Width | 100 ns |
-| Repetition Rate: | 5.57 kHz | +Pulse Repetition Rate (PRR): | 5.57 kHz | 
-| Number of pulses: | 65,536((65,536=2^16)) |+| Number of pulses (PQTY): | 65,536((65,536=2^16=64*1024=4^(7+1) the 7 contained in the last is what you find in the status message)) | 
 +| Averaging time: | 11.7sec (=PQTY/PRR) | 
 +| Time resolution | 15sec ((=> 3.3sec for processing and data transmission)) |
 | Range resolution | 50ft = 30m (see [[internal:instruments:ceilometer:ceilo_readme#resolution_height_and_range|here]]) | | Range resolution | 50ft = 30m (see [[internal:instruments:ceilometer:ceilo_readme#resolution_height_and_range|here]]) |
-| Time resolution | 15sec | 
 | Range | 200...25,000 ft. (60...7500 m) | | Range | 200...25,000 ft. (60...7500 m) |
 | Laser Divergence | ± 0.53×0.75 mrad (edge×diagonal((the laser is a diode with square shape. The beam thus a pyramid with different opening angles for neighbouring and opposite edges))) |  | Laser Divergence | ± 0.53×0.75 mrad (edge×diagonal((the laser is a diode with square shape. The beam thus a pyramid with different opening angles for neighbouring and opposite edges))) | 
 | Field-of-View Divergence | ± 0.66 mrad |  | Field-of-View Divergence | ± 0.66 mrad | 
 | Telescope diameter | 145mm | | Telescope diameter | 145mm |
-| Tilting angle ||+| Tilting angle | 2.5° as of Aug 21 2015 (7° before...)  |
 | Size | 760 x 280 x 245 mm | | Size | 760 x 280 x 245 mm |
 | Power Consumption | 365 W | | Power Consumption | 365 W |
 | Weight    | 40 kg | | Weight    | 40 kg |
-Manufaturer |[[http://www.vaisala.com/en/meteorology/Pages/default.aspx|Vaisala]] | +Manufacturer |[[http://www.vaisala.com/en/meteorology/Pages/default.aspx|Vaisala]] | 
instruments/ceilo/ceilometer.txt · Last modified: 2022/12/19 17:17 by jan