TMP/XSACR/M1 - Reprocess: Mean Doppler Velocity sign reversed

The signs of the mean_doppler_velocity field values are incorrect.  The ARM convention for 
this field is that positive velocities indicate motion away from the radar.  However, 
the velocity data in these files have their signs reversed, so that motion TOWARD the radar 
has a positive sign.

• Mean Doppler Velocity(mean_doppler_velocity)

TMP/KASACR/M1 - Reprocess: Mean Doppler Velocity sign reversed

The signs of the mean_doppler_velocity field values are incorrect.  The ARM convention for 
this field is that positive velocities indicate motion away from the radar.  However, 
the velocity data in these files have their signs reversed, so that motion TOWARD the radar 
has a positive sign.

• Mean Doppler Velocity(mean_doppler_velocity)

TMP/KASACR/M1 - Fluctuations in VPT Data

The KASACR was in continuous vertical point mode during this period.  There are 
fluctuations in the data every hour affecting most variables.

• Mean Doppler Velocity(mean_doppler_velocity)
• Copol to corss-polar correlation coefficient (also known as rhocx)(co_to_crosspol_correlation_coeff)
• cross_polar_differential_phase
• Linear depolarization ratio(linear_depolarization_ratio)
• Spectral Width(spectral_width)
• Signal to noise ratio(snr)
• Reflectivity(reflectivity)

TMP/XSACR/M1 - Fluctuations in VPT Data

The KASACR was in continuous vertical point mode during this period.  There are 
fluctuations in the data every hour affecting most variables.

• Spectral Width(spectral_width)
• Reflectivity(reflectivity)
• Copol to corss-polar correlation coefficient (also known as rhocx)(co_to_crosspol_correlation_coeff)
• Signal to noise ratio(snr)
• Linear depolarization ratio(linear_depolarization_ratio)
• Mean Doppler Velocity(mean_doppler_velocity)
• cross_polar_differential_phase

TMP/KAZR/M1 - Snow Buildup

There was potentially a build up of snow on the instrument causing large differences in 
the reflectivity as compared with the MWACR.

• Spectral width, co-polarization(spectral_width_copol)
• signal_to_noise_ratio_copol
• Reflectivity, co-polarization(reflectivity_copol)
• sky_noise_copol
• Mean doppler velocity, copolar(mean_doppler_velocity_copol)

TMP/MWACR/M1 - Snow Buildup

There was potentially a build up of snow on the instrument causing large differences in 
the reflectivity as compared with the KAZR.

• Spectral Width(spectral_width)
• Mean Doppler Velocity(mean_doppler_velocity)
• Reflectivity(reflectivity)

TMP/XSACR/M1 - Reprocessing Notice (RID 1161)

See below for details of reprocessing that was completed on 20150706.  Original 
DQR category: 5 (Transparent - Does not affect quality).

-----------------------------------------------------------

The field 'linear_depolarization_ratio' is misnamed.  The field should instead be called 
'differential_reflectivity,'

• Linear depolarization ratio(linear_depolarization_ratio)

TMP/KASACR/M1 - Reprocess: Incorrect calibration constant recorded

Files contain incorrect values for calibration constant(s). All other fields are correct, 
including reflectivities. For moments files, the affected fields are called 
'r_calib_radar_constant_h' and 'r_calib_radar_constant_v.' In spectra files, the global attribute 
'cal_constant' is incorrect.

• r_calib_radar_constant_h
• r_calib_radar_constant_v

TMP/KASACR/M1 - Missing Data

Instrument was down for various reasons throughout the deployment.

• r_calib_xmit_power_h
• North latitude(lat)
• sweep_start_ray_index
• fixed_angle
• time_offset
• pulse_width
• Mean Doppler Velocity(mean_doppler_velocity)
• altitude_agl
• volume_number
• Copol to corss-polar correlation coefficient (also known as rhocx)(co_to_crosspol_correlation_coeff)
• polarization_mode
• radar_antenna_gain_v
• r_calib_noise_source_power_h
• time
• sweep_mode
• n_samples
• nyquist_velocity
• radar_beam_width_v
• Reflectivity(reflectivity)
• prt
• sky_noise_xpol
• radar_antenna_gain_h
• cross_polar_differential_phase
• base_time
• unambiguous_range
• r_calib_noise_source_power_v
• latitude
• Signal to noise ratio(snr)
• r_calib_receiver_gain_hc
• radar_beam_width_h
• r_calib_noise_hc
• time_coverage_start
• sky_noise_copol
• Spectral Width(spectral_width)
• azimuth
• r_calib_time
• r_calib_pulse_width
• elevation
• Altitude above mean sea level(alt)
• sweep_number
• follow_mode
• scan_rate
• r_calib_noise_vx
• Linear depolarization ratio(linear_depolarization_ratio)
• altitude
• r_calib_radar_constant_v
• primary_axis
• East longitude(lon)
• time_coverage_end
• r_calib_radar_constant_h
• r_calib_two_way_radome_loss_h
• r_calib_receiver_gain_vx
• sky_power_copol
• prt_mode
• instrument_type
• range
• r_calib_index
• longitude
• antenna_transition
• frequency
• platform_type
• sweep_end_ray_index
• sky_power_xpol
• radar_measured_transmit_power_h

TMP/XSACR/M1 - Incorrect calibration constant recorded

Files contain incorrect values for calibration constant(s).  All other fields are correct, 
including reflectivities.   For moments files, the affected fields are called 
'r_calib_radar_constant_h' and 'r_calib_radar_constant_v.'	In spectra files, the global attribute 
'cal_constant' is incorrect.

• r_calib_radar_constant_v
• r_calib_radar_constant_h

TMP/MWACR/M1 - Possible antenna offset from zenith

A preliminary analysis of vertically-pointing Doppler velocity from all four radars at the 
site (KAZR, MWACR, KaSACR and XSACR) suggests that MWACR may have  a systematic velocity 
bias.  The bias appears to depend on height and wind profile,  suggesting it could be 
caused by mispointing of the MWACR.  A more detailed study of the radars plus  sounding 
information indicates the MWACR is mispointed by approximately 1 degree from zenith, into 
azimuth direction of 75 degrees from North.

• Spectral Width(spectral_width)
• Mean Doppler Velocity(mean_doppler_velocity)
• Reflectivity(reflectivity)