Ray Header Structure

Member Type Description
month int Date for this ray: month (1-12).
day int Date for this ray: day (1-31).
year int Date for this ray: year (eg. 1993).
hour int Time for this ray: hour (0-23).
minute int Time for this ray: minute (0-59).
sec float Time for this ray: second + fraction of second.
unam_rng float Unambiguous range (km).
azimuth float Azimuth angle (degrees). Angles range from 0 to 360 degrees, increasing clockwise, with 0 being north.
ray_num int Number of ray within sweep (first = 1).
elev float Elevation angle (degrees).
elev_num int Elevation number within volume scan (first = 1).
range_bin1 int Range to first gate (meters).
gate_size int Data gate size (meters).
vel_res float Doppler velocity resolution.
sweep_rate float Sweep rate. Full sweeps/minute.
prf int Pulse repitition frequency, in Hz.
azim_rate float Sweep rate in degrees/second.
fix_angle float Elevation angle for sweep (degrees).
pitch float Pitch angle.
roll float Roll angle.
heading float Heading.
pitch_rate float (deg/sec)
roll_rate float (deg/sec)
heading_rate float (deg/sec)
lat float Latitude (degrees)
lon float Longitude (degrees)
alt int Altitude (m)
rvc float Radial velocity correction (m/sec)
vel_east float Platform velocity to the east (m/sec)
vel_north float Platform velocity to the north (m/sec)
vel_up float Platform velocity toward up (m/sec)
pulse_count int Pulses used in a single dwell time.
pulse_width float Pulse width (micro-sec).
beam_width float Beamwidth in degrees.
frequency float Bandwidth MHz.
wavelength float Wavelength (meters).
nyq_vel float Nyquist velocity (m/s).
nbins int Number of array elements for 'Range'.