instruments:tophat:tophat
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instruments:tophat:tophat [2014/11/10 16:13] – uli | instruments:tophat:tophat [2018/10/08 14:01] – [Data] bernhard | ||
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====== HATPRO-TOPHAT ====== | ====== HATPRO-TOPHAT ====== | ||
- | //Mentor: [[http:// | + | //Mentor: [[http:// |
===== Principle ===== | ===== Principle ===== | ||
- | TOPHAT is a passive microwave radiometer installed at the Forschungszentrum Jülich as part of JOYCE. It measures brightness temperatures at 7 channels along the slope of the water vapor absorption line at 22 GHz and at 7 channels along the slope of the oxygen absorption complex at 60 GHz with allow the retreival of integrated water vapor (IWV), | + | **TOPHAT** is a [[instruments: |
- | cloud liquid water path (LWP) as well as tropospheric temperature profiles. Zenith measurements alternate with rhi and ppi scans. Scan patterns are partially synchronized with the neighbouring cloud radar MIRA. Additionally, | + | cloud liquid water path (LWP) as well as tropospheric temperature profiles. Zenith measurements alternate with rhi and ppi scans. Scan patterns are partially synchronized with the neighbouring cloud radar [[instruments: |
===== Instrument ===== | ===== Instrument ===== | ||
{{: | {{: | ||
- | TOPHAT (RPG HATPRO Generation 2) at JOYCE (Forschungszentrum Jülich) on the roof of IEK-8. | + | TOPHAT (RPG HATPRO Generation 2) at [[http:// |
===== Data ===== | ===== Data ===== | ||
- | * If you are interest | + | * If you are interested |
* [[http:// | * [[http:// | ||
- | * RHUBC-II: [[: | + | |
- | * Current observations: | + | < |
- | {{http:// | + | <a href="http:// |
+ | " target=" | ||
+ | < | ||
+ | " width=450> | ||
+ | </ | ||
+ | </ | ||
+ | |||
+ | The figure shows the relative humidity (RH, top row) and temperature (second row) of the environment as well as the Integrated Water Vapor (IWV, third row) and Liquid Water Path (LWP, last row) derived from TOPHAT. | ||
+ | |||
+ | * RHUBC-II: [[: | ||
===== History ==== | ===== History ==== | ||
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| Frequencies (R1) [GHz] | 22.24, 23.04, 23.84, 25.44, 26.24, 27.84, 31.40 | | | Frequencies (R1) [GHz] | 22.24, 23.04, 23.84, 25.44, 26.24, 27.84, 31.40 | | ||
| Channel band-widths (R1) [MHz] | 230, 230, 230, 230, 230, 230, 230 | | | Channel band-widths (R1) [MHz] | 230, 230, 230, 230, 230, 230, 230 | | ||
- | | Optical Resolution (R1) (HPBW) | + | | Optical Resolution (R1) (HPBW) |
+ | | Temporal Resolution | ||
| Receiver 2 (R2) | oxygen absorption | | Receiver 2 (R2) | oxygen absorption | ||
| Frequencies (R2) [GHz] | 51.26, 52.28, 53.86, 54.94, 56.66, 57.30, 58.00 | | | Frequencies (R2) [GHz] | 51.26, 52.28, 53.86, 54.94, 56.66, 57.30, 58.00 | | ||
Line 39: | Line 50: | ||
| Power Consumption | | Power Consumption | ||
| Weight | | Weight | ||
- | | Manufactorer | + | | Manufacturer |
instruments/tophat/tophat.txt · Last modified: 2021/01/22 22:17 by 127.0.0.1