Volume Header Structure

Member	Type	Description
field_type	string	A string of two characters identifying the type of radar data in this scan, for example, 'DZ'. See field types below.
nsweeps	long	Number of sweeps in volume scan.
calibr_const	float	Calibration constant.
no_data_flag	float	Missing or deleted data flag. Usual value is -32767.

Field Types

The following are some common radar field types.

Name Description
CR Corrected differential reflectivity

CZ Corrected reflectivity

DM Received power

DR Differential reflectivity

DZ Reflectivity

KD KDP: Specific differential phase, deg/km

LR Another differential reflectivity

MR DR mask for 1C-51 HDF

MZ DZ mask for 1C-51 HDF

PH PhiDP: Differential phase angle

RH RhoHV: Horizontal-Vertical power correlation coefficient

SW Spectrum width

VE Edited velocity

VR Velocity

XZ X-band reflectivity

ZD Another differential reflectivity

ZE Edited reflectivity

ZT Uncorrected reflectivity

Name	Description
CR	Corrected differential reflectivity
CZ	Corrected reflectivity
DM	Received power
DR	Differential reflectivity
DZ	Reflectivity
KD	KDP: Specific differential phase, deg/km
LR	Another differential reflectivity
MR	DR mask for 1C-51 HDF
MZ	DZ mask for 1C-51 HDF
PH	PhiDP: Differential phase angle
RH	RhoHV: Horizontal-Vertical power correlation coefficient
SW	Spectrum width
VE	Edited velocity
VR	Velocity
XZ	X-band reflectivity
ZD	Another differential reflectivity
ZE	Edited reflectivity
ZT	Uncorrected reflectivity