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Table of Contents
Multi-Filter Rotating Shadowband Radiometer
Mentor: K. Ebell
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:
<html>
<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
</html>
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 | |
