Instruments used aboard NASA's DC-8 for CAMEX-3

Instrument Characteristics View Browse Images
Order Data
Instrument Acronym Instrument Type Temporal Resolution Spatial Resolution Data Vol/Mission
AMMR Radiometer (fixed) 
10-92 GHz 
45 deg upview:21 & 37 GHz 
Nadir view: 18 & 37 GHz 
1 second ~1-2 km @ surface  
ARMAR Doppler radar (13.8 GHz) 
(Thru-nadir scanning) 
1.8 seconds/scan 
10 MHz sample rate 
5 kHz PRF
800 m at surface, 
80 m range resolution (after averaging)
> 10 GB (raw), 200-600 MB (processed) 
AVAPS NCAR/GPS sonde System can track 4 sondes simultaneously 10 m (vertical) <50 KB per sonde release 
CAPAC FSSP300 aerosol/cloud partice spectrometer; 2D-Cloudprobe; 2D-Precipitation probe; 2D-Greyscale probe; Cloudscope .1 Hz 2 km (at 200 m/sec aircraft speed) < 1 GB
JPL SAW Microhygrometer TBD (up to 0.1 sec) Single point measurement 10 MB
Laser Hygrometer diode laser spectrometer nominally 1 sec @ 10Hz, minimum .128 sec @ 8Hz. Dependent on sampling rate. 25 meters minimum. 500 KB
LASE Differential Absorption Lidar 3 seconds per profile; 
2 min. (averaged)
Water profiles: 0.2 km (vert.), 5 km (horiz.), 100 m to tropopause 
Relative aerosol scattering profiles: 30 m (vert.), 200 m (horiz.), ground to 20 km 
200 MB
MACAWS Doppler lidar (side-scanning) Depends on pulse repetition frequency, scanning pattern, signal processing parameters Horizontal coverage 2-30 km; Horizontal resolution: Line of Sight winds 150-450m, Calculated wind vectors 1-3 km; 
Vertical coverage 4.2-10 km 
500 MB
MMS Rosemount probes up to 5-Hz 40-m at 200 m/s airspeed preliminary field data: 2-Mbyte
high resolution data: 25-Mbyte
PSR Passive microwave radiometer Complete conical scan each 10 seconds, independent radiometric samples every 25 msec. 2.5x5 km footprints at 10.7 & 18.7 Ghz, 12 km altitude; 0.8x1.3 km footprints at 37& 89 Ghz, 12 km altitude; 30 Mbytes [raw data]


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