OLI/VCEIL/M1 - Intermittent data

The data were intermittent. The serial cable was incorrectly wired which affected the 
grounding of the signal, apparently due to cold temperatures, causing checksum errors.

• Percentage of nominal factory setting (0 to 999%)(laser_pulse_energy)
• Aerosol volume backscattering coefficient at 355 nm(backscatter)
• Millivolts at internal ADC input (0 to 2500)(background_light)
• Second lowest cloud base height(second_cbh)
• Lowest cloud base height detected(first_cbh)
• Distance to the center of the corresponding range bin(range)
• Degrees from vertical (-15 to +90)(tilt_angle)
• Flag indicating aeri retrieval status(status_flag)
• Altitude of highest signal(alt_highest_signal)
• Warning, alarm, and internal status information(status_string)
• 6 character string describing instrument measurement parameters(measurement_parameters)
• Detection status.(detection_status)
• Sum of detected and normalized backscatter(sum_backscatter)
• Vertical visibility(vertical_visibility)
• Window contamination(window_contamination)
• Percentage of nominal factory setting (0 to 999%)(receiver_sensitivity)
• Laser temperature(laser_temperature)
• Third cloud base height(third_cbh)