MAO/SASHE/M1 - Spectrometer communication error

The VIS spectrometer was not communicating at all.  No spectra were collected.

• Time offset from base_time(time_offset)
• Diffuse hemispheric irradiance component, Si CCD spectrometer(diffuse_hemisp_spectrometer_vis)
• Chiller temperature during 1 minute interval.(chiller_temperature)
• Temperature of MIO box from TRH sensor(mio_temperature_trh)
• Cosine correction for high sun angles(cosine_correction_hisun)
• Standard deviation of collector tilt measured perpendicular to band axis.(collector_y_tilt_std)
• Spectrometer chiller internal dew point(chiller_dewpoint)
• Spectrometer chiller internal RH(chiller_rh)
• Collector internal relative humidity from TRH sensor(collector_rh)
• time_in_seconds_since_volume_start(time)
• Cosine correction applied to direct_horizontal component(cosine_correction_computed)
• Collector tilt perpendicular to band axis(collector_y_tilt)
• Wavelength of VIS spectrometer pixels(wavelength_vis)
• Collector internal temperature from TRH sensor(collector_temperature)
• Cosine correction for low sun angles(cosine_correction_lowsun)
• responsivity of Si CCD spectrometer(responsivity_spectrometer_vis)
• Solar azimuth angle relative to north(solar_azimuth)
• Atmospheric pressure(atmos_pressure)
• Solar zenith angle relative to vertical zenith.(solar_zenith)
• Number of spectrometer scans averaged for Si CCD spectra(number_of_scans_spectrometer_vis)
• lon(lon)
• Temperature of Si CCD AD board(ad_temperature_spectrometer_vis)
• Direct horizontal solar irradiance from Si CCD spectrometer(direct_horizontal_spectrometer_vis)
• base time in epoch(base_time)
• Cosine solar zenith angle(cosine_solar_zenith_angle)
• Temperature of multi-IO box from MEMS sensor(mio_temperature_mems)
• Collector tilt along band axis(collector_x_tilt)
• Diffuse correction(diffuse_correction)
• Collector internal dew point(collector_dewpoint)
• Total hemispheric irradiance component, Si CCD spectrometer(total_hemisp_spectrometer_vis)
• Cosine of angle of incidence during cosine bench test(cosine_test_incident_angle)
• Direct normal solar irradiance, Si CCD spectrometer(direct_normal_spectrometer_vis)
• Integration time of individual scans from Si CCD spectrometer(integration_time_spectrometer_vis)
• Air mass(airmass)
• Band axis orientation with respect to north(band_azimuth)
• Temperature of Si CCD optical bench(bench_temperature_spectrometer_vis)
• -180.0 - +180.0(alt)
• North Latitude(lat)
• Angle of incidence during cosine bench test(test_incident_angle)
• Standard deviation of collector tilt measured along band axis.(collector_x_tilt_std)
• MIO relative humidity from TRH sensor(mio_rh)

• Scattering angle occluded by point of inner band nearest to the solar position(inner_band_scat_ang)
• Air mass(airmass)
• Spectrometer chiller internal dew point(chiller_dewpoint)
• Outer band orientation relative to operational vertical(outer_band_angle)
• Band axis orientation with respect to north(band_azimuth)
• Temperature of multi-IO box from MEMS sensor in Fahrenheit(mio_temperature_mems_fahr)
• Inner band orientation relative to nominal vertical(inner_band_angle_raw)
• Temperature of MIO box from TRH sensor(mio_temperature_trh)
• Atmospheric pressure(atmos_pressure)
• Inner band orientation relative to operational vertical(inner_band_angle)
• Number of spectrometer scans averaged for InGaAs NIR spectrometer(number_of_scans)
• Step number in measurement sequence(tag)
• MIO relative humidity from TRH sensor(mio_rh)
• North Latitude(lat)
• Integration time of individual spectrometer scans(spectrometer_integration_time)
• -180.0 - +180.0(alt)
• time_in_seconds_since_volume_start(time)
• Standard deviation of collector tilt measured perpendicular to band axis.(collector_y_tilt_std)
• Collector internal dew point(collector_dewpoint)
• Earth sun distance(earth_sun_dist)
• Time offset from base_time(time_offset)
• Top of atmosphere spectrum wavelengths(wavelength)
• Outer band orientation relative to nominal vertical(outer_band_angle_raw)
• Scattering angle occluded by point of outer band nearest to the solar position(outer_band_scat_ang)
• Temperature of multi-IO box from MEMS sensor(mio_temperature_mems)
• Temperature of avantes AD board(avantes_ad_temperature)
• Collector internal temperature from TRH sensor(collector_temperature)
• Spectrometer internal clock ticks(spectrometer_clock_ticks)
• Collector tilt perpendicular to band axis(collector_y_tilt)
• Chiller temperature during 1 minute interval.(chiller_temperature)
• Band axis orientation with respect to azimuth limit switch(band_az_raw)
• Solar azimuth angle relative to north(solar_azimuth)
• Collector tilt along band axis(collector_x_tilt)
• Standard deviation of collector tilt measured along band axis.(collector_x_tilt_std)
• Solar zenith angle relative to vertical zenith.(solar_zenith)
• Spectra(spectra)
• Spectrometer chiller internal RH(chiller_rh)
• base time in epoch(base_time)
• Collector internal relative humidity from TRH sensor(collector_rh)
• lon(lon)
• Temperature of avantes optical bench(avantes_bench_temperature)
• Shutter state(shutter_state)

• North Latitude(lat)
• Scattering angle occluded by point of outer band nearest to the solar position(outer_band_scat_ang)
• Step number in measurement sequence(tag)
• Solar zenith angle relative to vertical zenith.(solar_zenith)
• Collector internal temperature from TRH sensor(collector_temperature)
• Spectra(spectra)
• Collector tilt perpendicular to band axis(collector_y_tilt)
• -180.0 - +180.0(alt)
• Inner band orientation relative to operational vertical(inner_band_angle)
• Temperature of multi-IO box from MEMS sensor in Fahrenheit(mio_temperature_mems_fahr)
• Collector tilt along band axis(collector_x_tilt)
• Integration time of individual spectrometer scans(spectrometer_integration_time)
• Chiller temperature during 1 minute interval.(chiller_temperature)
• Time offset from base_time(time_offset)
• Air mass(airmass)
• Number of spectrometer scans averaged for InGaAs NIR spectrometer(number_of_scans)
• Spectrometer chiller internal dew point(chiller_dewpoint)
• Inner band orientation relative to nominal vertical(inner_band_angle_raw)
• Spectrometer internal clock ticks(spectrometer_clock_ticks)
• time_in_seconds_since_volume_start(time)
• Temperature of multi-IO box from MEMS sensor(mio_temperature_mems)
• Outer band orientation relative to nominal vertical(outer_band_angle_raw)
• Solar azimuth angle relative to north(solar_azimuth)
• MIO relative humidity from TRH sensor(mio_rh)
• Band axis orientation with respect to north(band_azimuth)
• Temperature of avantes AD board(avantes_ad_temperature)
• base time in epoch(base_time)
• Scattering angle occluded by point of inner band nearest to the solar position(inner_band_scat_ang)
• Top of atmosphere spectrum wavelengths(wavelength)
• Standard deviation of collector tilt measured along band axis.(collector_x_tilt_std)
• Temperature of MIO box from TRH sensor(mio_temperature_trh)
• lon(lon)
• Band axis orientation with respect to azimuth limit switch(band_az_raw)
• Atmospheric pressure(atmos_pressure)
• Outer band orientation relative to operational vertical(outer_band_angle)
• Standard deviation of collector tilt measured perpendicular to band axis.(collector_y_tilt_std)
• Shutter state(shutter_state)
• Spectrometer chiller internal RH(chiller_rh)
• Collector internal relative humidity from TRH sensor(collector_rh)
• Earth sun distance(earth_sun_dist)
• Temperature of avantes optical bench(avantes_bench_temperature)
• Collector internal dew point(collector_dewpoint)