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Transmitter
Operating Frequency
94.155 GHz
Wavelength
0.00318 m
Peak Transmit Power
1.7 kW
Pulse Width
0.25 - 3.0 µs
Duty Cycle
0.01 max.
PRF
0.5 - 42 kHz
LO Frequency
9.976 MHz
Receiver
IF Frequency
59.86 MHz
Dynamic Range
80 dB
Minimum Detectable Signal (0.5 µs PW at 1 km)
-35 dBZ (ESTIMATE)
Number of Channels (reflectivity and Doppler)
2
Processor and Radar Controller
Digital Receiver (NCAR VIRAQ/QUAD)
4
Digital Signal Processor (TI TMS320C44)
6/channel
Host Computer (Motorola)
MVME-167
Computer Bus
VME
Operating System
VxWorks
Navigation Data
INS/GPS, ARINC (8Hz)

                   Parameters:  Airborne (ER-2)

                                     Ground-based

Zhh, Vhh, sv, LDR

Zhh, Zvv, Vhh, Vvv, rhv, sv, LDR

Number of range gates
720/channel
Range resolution
25 m – 300 m
Antenna
Transmit/Receive Polarization States
H, V
Antenna Beamwidth
0.6o x 0.8o (ER-2), 0.3o (ground)
Antenna Gain
47 dB (ER-2), 55 dB (ground)
Cross-Polarization Isolation
< 25 dB

 

Dr. Gerry Heymsfield
email: Gerald.M.Heymsfield@nasa.gov
phone: (301) 614-6369
fax: (301) 614-5492

 Lihua Li
email: lihua@agnes.gsfc.nasa.gov
phone: (301) 614-6356
fax: (301) 614-5492