METEK Micro Rain Radar MRR-2 Page 35
2012-03-01 Valid for MRR Service Version 6.0.0.4 / Firmware 6.00
The measured data are displayed in lines following the header. For each
measured variable there is one line starting with a 3-character identifier of the
variable. Each line represents a profile of this variable, i.e. a function versus
height. Each data entry is 7 characters wide. Height is running from left to right
in increments according to the chosen height resolution of the MRR. Invalid or
not calculable values are coded as 7 consecutive space characters.
MRR – Header Line
The header line marks the beginning of a data set. It starts with the identifying
MRR The date/time stamp
consists of 12 digits (format YYMMDDhhmmss), a single space character and
UTC
optionally followed by an offset value (format ±hh or ±hhss). The time stamp is
generated from the PC time. Then several parameters follow:
AveAVE,
STP
height of the ground level Above Sea L
sampling rate of the RADAR signal in the time domain (unit: Hz),
version number of the MRR Service (service version number),
version number of the MRR firmware (device version),
serial number of the MRR (device serial number)
calibration constant
data quality parameter consisting of the identifying string. This number
is the percentage of valid spectra collected during the averaging
interval. Spectra can be invalid due to saturation of the AD converter
caused either by extreme precipitation or by some interference.
indentifier for the kind of data: AVE-averaged data, PRO-processed
data or RAW-raw spectra
Each of the parameters in the header line starts with a delimiting space
character, the 3-character identifier as shown above in the parentheses and a
field of 6 characters for the numerical value (except of the serial number,
which can consist of up to 10 numeric characters between 0 and 9).
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