A typical installation uses H-Xmt:YES, V-Xmt:No, Co-Rcv:YES, Cx-Rcv:NO.
Including both transmissions decreases the variance of (T/Z/V/W), but most researchers
prefer excluding V-Xmt because that is more standard in the literature.
If your polarizations are such that the main power is returned on the cross channel, then
you probably want Co- Rcv:NO and Cx-Rcv:YES.
Melting Height
The melting height is used in HydroClass calculations and is recorded with the data.
This is the height above the radar, so must include the altitude of the radar when computing.
Normally this is set automatically by the controlling application.
Melting height: 3000 meters
Noise Correction
If the noise correction is set to Yes, RVP900 adjusts the calibration reflectivity value Z0
when the current noise level changes from the level measured when the calibration was
done.
See 7.4.3.1 Noise Correction to
Reflectivity Calibration (page 202).
Enable noise power based correction of Z0: No
5.2.5
Mt — General Trigger Setups
To configure the general properties of the RVP900 trigger generator, type Mt with no
additional arguments.
You can check the Pulse Repetition Frequency and Transmit pulse width:
0 of the internal trigger generator (Limits: 50 ... 20000Hz) and the Transmit pulse
width: 0 (Limits: 0 ... 3).
Pulse Repetition Frequency: 500.00 Hz
Transmit pulse width: 0
External Pretrigger
When an external pretrigger is applied to the RVP900 TRIGIN input, either the rising or
falling edge of that signal initiates operation.
This decision also aects which signal edge becomes the reference point for the pretrigger
delay times given in the Mt<n> section.
Chapter 5 – TTY Non-volatile Setups
113
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