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Multi-Filter Rotating Shadowband Radiometer

Principle

Instrument

YES Inc. MFR-7 at Forschungszentrum Jülich on the roof of the IEK-8 (Institut für Energie- und Klimaforschung: Troposphäre).

Data

If you are interested in receiving data please contact the instrument mentors: K. Ebell

Quicklook archive

Current measurements:

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    <a href="http://gop.meteo.uni-koeln.de/~hatpro/jue/VAPs/radar_mwr/latest_l2_radar_lwp.png" target="_blank">
    <img src="http://gop.meteo.uni-koeln.de/~hatpro/jue/VAPs/radar_mwr/latest_l2_radar_lwp.png" width=300>
    </a> click to enlarge

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The figure shows the LWP from the HATPRO MWR as well as radar reflectivity factor, linear depolarization ratio, Doppler velocity and Doppler spectral width of MIRA zenith measurements.
Gray areas indicate no data.

History

Period	Place	Project
06/07/2015 - today	Research Center Jülich, Germany	JOYCE

Specifications

Parameter	Specification	Remark
Frequency	35.5 ± 0.15 GHz	corresponds to wavelength of 8.5 mm
Peak power (max)	25 kW
Average power	~ 24 W
Pulse width	200 ns	adjustable (100, 200, or 400 ns)
Pulse repetition frequency	5 kHz	adjustable (5-10 kHz)
Minimum height	150 m	full sensitivity above 400 m
Measuring range	15 km	adjustable (7.5-30 km)
Range resolution	30 m	adjustable (15, 30, or 60 m)
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	Metek

AWARES ExOb Wiki

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