The default configuration has a maximum range of 450 km. Use it in warm climates. In
cooler climates, lower the maximum range to, for example, 350 km in summer or 250 km in
winter. Shorter ranges allow for higher pulse repetition frequencies (within the range) and
more pulses can be configured within the constant run time.
The LOG threshold is optimized for tropical conditions with a clear margin of noise
uncertainty, even in conditions of extreme rain. In cooler climates, with a calibrated radar,
the LOG threshold can be as low as 1.2 dB.
The following figure shows the task configuration details for a dual polarization system. Blue
circles indicate items with dierent values in single polarization systems.
Figure 127 SURVEILLANCE task configuration: dual-polarization
Azimuth resolution 1.00°
Polarization Horiz
Samples 35
DP Attn Cor Z ZDR disabled
Range Avg/Smt 2
Proc mode FFT
Measured data moments T, Z, Vel, Width, SQI
IRIS Product and Display User Guide M211319EN-H
376 RESTRICTED
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