| Member | Type | Description |
|---|---|---|
| month | int | Date for this ray: month (1-12). (Date and time are in UTC.) |
| 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) (negative for west) |
| vel_north | float | Platform velocity to the north (m/sec) (negative for south) |
| vel_up | float | Platform velocity toward up (m/sec) (negative for down) |
| 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 GHz. |
| wavelength | float | Wavelength (meters). |
| nyq_vel | float | Nyquist velocity (m/s). |
| nbins | int | Number of array elements for 'Range'. |