Meteo Observations at IGMK

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radiation [2020/08/31 13:39] – [JOYRAD-35 History] bpospichradiation [2021/03/01 10:19] (current) – [Link to current observations] bpospich
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 ^ Dataset     ^ Temporal resolution       ^ File size          ^ Filename   ^ Remarks   ^  ^ Dataset     ^ Temporal resolution       ^ File size          ^ Filename   ^ Remarks   ^ 
-| Downwelling shortwave irradiance   | 5 seconds    | 1 file per day (555 KB)     | //sups_joy_pyrg00_l1_rlds_v01_YYYYMMDDHHMMSS.nc//  | available via SAMD   |+| Downwelling shortwave irradiance   | 5 seconds    | 1 file per day (555 KB)     | //sups_joy_pyr00_l1_rlds_v01_YYYYMMDDHHMMSS.nc//  | available via SAMD   |
 | Downwelling longwave irradiance   | 5 seconds    | 1 file per day (555 KB)     | //sups_joy_pyrg00_l1_rlds_v01_YYYYMMDDHHMMSS.nc//  | available via SAMD   | | Downwelling longwave irradiance   | 5 seconds    | 1 file per day (555 KB)     | //sups_joy_pyrg00_l1_rlds_v01_YYYYMMDDHHMMSS.nc//  | available via SAMD   |
  
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 ===== Link to current observations ===== ===== Link to current observations =====
  
-Data quicklooks can be found in the [[http://gop.meteo.uni-koeln.de/~Hatpro/dataBrowser/dataBrowser1.html?site=JOYCE&date=-365&UpperLeft=Radiation_downwelling_fluxes|JOYCE quicklook archive]]. Attention, quicklooks are only available several days after the measurement. +Data quicklooks can be found in the [[http://atmos.meteo.uni-koeln.de/~hatpro/dataBrowser/dataBrowser1.html?site=JOYCE&date=-31&UpperLeft=Radiation_downwelling_fluxes|JOYCE quicklook archive]]. Attention, quicklooks are only available several days after the measurement. 
  
 ===== Measurement examples ===== ===== Measurement examples =====
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 ===== Technical Specifications ===== ===== Technical Specifications =====
-^ Parameter  ^ Specification  ^ Remark  ^ + 
-| Frequency | 35.5 ± 0.15 GHz  | corresponds to wavelength of 8.5 mm | +^  Parameter  ^  Specification  ^  Remark  ^ 
-| Peak power (max) | 25 kW  |  | +| Total solar irradiance (CMP 21)| Secondary standard (WMO)| | 
-| Average power | ~ 24 W |  | +| Diffuse solar irradiance (CMP 21)| Secondary standard (WMO)| shaded | 
-| Pulse width | 200 ns | adjustable (100, 200, or 400 ns)  | +| Direct solar irradiance (CHP 1)| First class (WMO)| tracked | 
-| Pulse repetition frequency | 5 kHz | adjustable (5-10 kHz) | +| Terrestrial irradiance (CGR 4)| Certified calibration | shaded | 
-| Minimum height | 150 m | full sensitivity above 400 m  | +| Manufacturer | Kipp & Zonen B.V., NL | | 
-| Measuring range | 15 km | adjustable (7.5-30 km)  | +| Data logger (CR3000)| 16-bit | 5 s time resolution | 
-| Range resolution | 30 m | adjustable (15, 30, or 60 m) | +| Manufacturer | Campbell Scientific Inc., UK | 
-| Antenna beam width | 0.6° | | +
-| Doppler velocity resolution | 0.025 m/s | depends on FFT length | +
-| Maximum unambiguous velocity | ±20 m/s |  | +
-| Maximum sensitivity at 5 km (integration 0.1 s) | -45 dBZ |  | +
-| Calibration system accuracy | ±0.5 dB |  | +
-| Number of gates (with simultaneous stored raw data) | 500 |  | +
-| Number of averaging spectra | 200 | adjustable (1-32768) | +
-| Manufacturer | [[http://www.metek.de/|Metek]] |  +
-                                    |+
radiation.1598881155.txt.gz · Last modified: 2020/08/31 13:39 by bpospich