ENA/VDIS/C1 - Signal level and calibration issues

There were signal level and calibration issues effecting the data.

Use data with caution. A Parsivel2 disdrometer is also at the site and it provides 

most of the data available from the VDIS datastreams

• Raw data stream - documentation not supported

• oblateness
• drop_height_b
• drop_height_a
• area
• drop_width_b
• drop_width_a
• drop_volume
• equivolumetric_sphere_diameter

• liquid_water_distribution_mean
• rain_rate
• intercept_parameter
• liquid_water_content
• diameter_max
• num_density
• num_drops
• rain_amount
• drop_diameter
• slope_parameter
• moment6
• moment5
• radar_reflectivity
• moment2
• moment1
• diameter_min
• moment4
• moment3
• total_drops
• median_volume_diameter