RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005

RPG RPG

• RPG founded in 1973• Specialized in the design and fabri- cation of microwave radiometers for mm- and submm-applications (radio astronomy, plasma physics, ESR spectroscopy, network analyzer frequ. extensions, remote sensing of atmosphere, space borne radiometers)• Development of radiometer sub- systems (oscillators, mixers, waveguide components, planar networks, amplifiers, optics, etc.)

RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005

RPG Staff RPG Staff

22 Employees

• Management (3)• Marketing (3)• Space Projects (6)• Electrical Enginee- ring (8)• Electronics (4)• Mechanics (5)• Software & Retrie- val Development

Project Management(Coordination of Projects,

Customer Support)

R. Zimmermann, Dr. T. Rose R. Zimmermann, Dr. T. Rose

Financial Management(Price Policy, Contracts)

RPG Internal Organisation

Dr. T. Rose, A. Walber, H. Gibson

System Development

R. Zimmermann, O. Zimmermann

Sales & Marketing

Space Projects

Dr. T. Rose, Dr. H. Czekala, R. Henneberger, H. Gibson

Dr. T. Rose, Dr. H. Czekala, M. Stoff

Radiometer Development

High Frequency Sources

A. Walber, R. Henneberger, M. Schwarze, R. Zimmermann

H. Gibson, Dr. T. Rose, A. Walber, R. Zimmermann

Mixers and Detectors

Standard Components

A. Mombauer, Dr. J. Sasse

R. Henneberger, M. Schwarze

Clean Room Facilities

Electronics Laboratory

M. Stoff, T. Unkelbach

M. Warnke, P. Krahe, S. Rajtschan

Machine Shop

Electroforming Facilities

P. Wehmeyer

Dr. T. Rose

Environmental Testing

A. Walber, R. Zimmermann

RF Laboratory

Software Development

Dr. T. Rose, Dr. H. Czekala

Degrees: 4 x Dr. of Physics, 2 x Master of Physics, 5 x Diploma for Electrical Engineering / Electronics, 1 x Mechanics Master

RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005

RPG Machine Shop RPG Machine Shop

600 m2 machine shop

RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005

RPG Machine Shop RPG Machine Shop

• 2 numerically controlled lathes with 1 µm precision• 6 milling machines with 1 µm to 5 µm precision• Electro-forming facility (feedhorns, etching of microstrip circuit boards)• Spark erosion facility

RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005

RPG RF Lab RPG RF Lab

800 m2 lab space

RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005

RPG RF Lab RPG RF Lab

12 work places for micro- controlled assembly of RF components• 5 test benches (spectrum analyzers, network analyzers, power detectors)• 8 work places in class 1000 clean room facility (200 m2)• Electro-forming facility (feedhorns, etching of microstrip circuit boards)• Environmental chamber (-40°C to +50°C, humidity control)

RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005

Quality Assurance Quality Assurance

•Receiver assembly in clean room facility (class 1000) according to space qualification standards•All radiometer parts (except for MMICs and electronic parts) are fabricated in- house•Thermal cycling of radiometer in environmental chamber (at RPG), vibration tests, burn-in

RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005

Examples of Products (1) Examples of Products (1)

Space qualified local oscillators:

• 40 to 1500 GHz (all solid state)

RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005

Examples of Products (2) Examples of Products (2)

Space qualified front ends:

• 183 GHz (4 channels) for sensitive water vapour detection• 90 GHz dual polarized receiver• 150 GHz dual polarized receiver

RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005

Examples of Products (3) Examples of Products (3)

Transmit / Receive Systems:

• 90 GHz, 183 GHz, 220 GHz, 324 GHz, 502 GHz, 640 GHz• for compact ranges (antenna measurement facilities, phase + amplitude)

RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005

Examples of Products (4) Examples of Products (4)

Turn key radiometers for environmental research:

• ice, snow, soil moisture• atmospheric profiling, statospheric water vapour

RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005

Examples of Products (5) Examples of Products (5)

22 channel dual profiler + dual pol. 90 GHz for cloud carthography

• 95 cm Cassegrain optics• fully steerable

424 GHz phase locked beakon transmitter

RPG Radiometer Physics GmbH Japan Met. Agency – Tsukuba / Japan, Nov./Dec. 2005

RPG Instruments for Atmospheric Remote SensingRPG Instruments for Atmospheric Remote SensingRadiometer Models:

• RPG-LWP:RPG-LWP: 23.8 +31.4 GHz channels for LWP and IWV 23.8 +31.4 GHz channels for LWP and IWV monitoring, Wet/Dry Delaymonitoring, Wet/Dry Delay

• RPG-LWP-U90:RPG-LWP-U90: Extends the RPG-LWP by a 90 GHz Extends the RPG-LWP by a 90 GHz channel to channel to improve LWP accuracyimprove LWP accuracy

• RPG-TEMP90:RPG-TEMP90: Tropospheric/Boundary Layer Temperature Tropospheric/Boundary Layer Temperature Profiler + 90 GHz channel Profiler + 90 GHz channel

• RPG-TEMPRO:RPG-TEMPRO: Tropospheric/Boundary Layer Temp. Profiler Tropospheric/Boundary Layer Temp. Profiler

• RPG-HUMPRO:RPG-HUMPRO: Tropospheric Humidity Profiler, LWP, IWV, Tropospheric Humidity Profiler, LWP, IWV, Wet/Dry DelayWet/Dry Delay

• RPG-HATPRO:RPG-HATPRO: Tropospheric/Boundary Layer Temp. Tropospheric/Boundary Layer Temp. Profiler + Tropospheric Humidity Profiler, Profiler + Tropospheric Humidity Profiler, LWP, IWV, Wet/Dry DelayLWP, IWV, Wet/Dry Delay

• RPG-TEMP-BL:RPG-TEMP-BL:Boundary Layer Temperature Profiler Boundary Layer Temperature Profiler based on 54.8, 58 GHz channelsbased on 54.8, 58 GHz channels

• RPG-PRR:RPG-PRR: Polarized Rain Radiometer for Rain Polarized Rain Radiometer for Rain Remote Sensing, 10+19+37 GHz v/h Pol. Remote Sensing, 10+19+37 GHz v/h Pol.