Subject: | NSA/KASACR/C1 - Data collection problem |
DataStreams: | nsakasacrawrhiC1.b1, nsakasacrblrhiC1.b1, nsakasacrcwrhiC1.b1, nsakasacrhsrhiC1.b1, nsakasacrppiC1.b1, nsakasacrrhiC1.b1, nsakasacrspeccmaskcopolC1.a0, nsakasacrspeccmaskxpolC1.a0, nsakasacrvptC1.b1
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Description: | 1. The sign of Doppler velocity of Ka/WSACR has been changed. The sign of Doppler velocity
of WSACR was inconsistent with KAZR and KaSACR from December 14, 2012 to January 15,
2013. Before December 14, 2012, Doppler velocity signs from both W and Ka SACRs were
inconsistent with KAZR. After February 1, 2013, the signs from SACRs are consistent with KAZR.
2. Ka/WSACR spectra have significant leakage, but something is clearly wrong with the
KaSACR (see attached file). The WSACR leakage occurs only at higher SNR, but that when it
occurs the first side lobe is only ~30 dB down, much less that the ~50 dB for the KAZR.
3. We could not find Doppler spectra data from Ka and W SACRs for the same time periods
even though moments files for the vertical pointing scans for both Ka and W SACRs exist.
There are synchronized signals in Doppler spectram in vertical potinting data from
Ka/WSACR. |
Measurements: | nsakasacrblrhiC1.b1: - follow_mode
- altitude
- azimuth
- elevation
- r_calib_noise_source_power_v
- lat
- sweep_end_ray_index
- frequency
- prt_mode
- radar_measured_transmit_power_h
- time_coverage_end
- r_calib_noise_source_power_h
- r_calib_two_way_radome_loss_h
- n_samples
- r_calib_noise_hc
- r_calib_xmit_power_h
- r_calib_pulse_width
- nyquist_velocity
- polarization_mode
- Linear depolarization ratio H(linear_depolarization_ratio)
- prt
- longitude
- r_calib_radar_constant_v
- platform_type
- r_calib_radar_constant_h
- range
- altitude_agl
- instrument_type
- r_calib_receiver_gain_vx
- antenna_transition
- radar_antenna_gain_h
- radar_antenna_gain_v
- fixed_angle
- primary_axis
- 95GHz reflectivity in dBZ(reflectivity)
- sweep_start_ray_index
- r_calib_index
- scan_rate
- base_time
- sweep_mode
- Signal to noise ratio(snr)
- time
- radar_beam_width_v
- radar_beam_width_h
- time_coverage_start
- alt
- lon
- sweep_number
- r_calib_time
- pulse_width
- latitude
- volume_number
- r_calib_receiver_gain_hc
- Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
- unambiguous_range
- Spectral Width(spectral_width)
- r_calib_noise_vx
nsakasacrhsrhiC1.b1: - r_calib_receiver_gain_vx
- range
- latitude
- scan_rate
- pulse_width
- follow_mode
- prt
- Signal to noise ratio(snr)
- alt
- lon
- Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
- time_coverage_start
- frequency
- time
- sweep_number
- longitude
- r_calib_noise_source_power_v
- fixed_angle
- r_calib_noise_source_power_h
- platform_type
- r_calib_two_way_radome_loss_h
- r_calib_time
- volume_number
- Spectral Width(spectral_width)
- instrument_type
- primary_axis
- sweep_end_ray_index
- 95GHz reflectivity in dBZ(reflectivity)
- r_calib_noise_vx
- radar_beam_width_v
- r_calib_index
- r_calib_noise_hc
- r_calib_pulse_width
- sweep_mode
- radar_measured_transmit_power_h
- time_coverage_end
- radar_beam_width_h
- r_calib_radar_constant_h
- r_calib_radar_constant_v
- antenna_transition
- elevation
- Linear depolarization ratio H(linear_depolarization_ratio)
- lat
- r_calib_xmit_power_h
- altitude_agl
- sweep_start_ray_index
- base_time
- prt_mode
- radar_antenna_gain_h
- radar_antenna_gain_v
- n_samples
- altitude
- azimuth
- r_calib_receiver_gain_hc
- polarization_mode
- unambiguous_range
- nyquist_velocity
nsakasacrvptC1.b1: - r_calib_radar_constant_h
- polarization_mode
- r_calib_radar_constant_v
- lon
- frequency
- radar_beam_width_v
- radar_beam_width_h
- prt
- Signal to noise ratio(snr)
- radar_antenna_gain_v
- r_calib_xmit_power_h
- sweep_start_ray_index
- radar_antenna_gain_h
- nyquist_velocity
- sweep_end_ray_index
- latitude
- elevation
- altitude
- n_samples
- r_calib_two_way_radome_loss_h
- sweep_number
- r_calib_noise_hc
- Linear depolarization ratio H(linear_depolarization_ratio)
- Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
- sweep_mode
- azimuth
- r_calib_receiver_gain_vx
- prt_mode
- scan_rate
- r_calib_noise_source_power_v
- unambiguous_range
- r_calib_noise_source_power_h
- r_calib_time
- r_calib_pulse_width
- r_calib_index
- lat
- antenna_transition
- alt
- longitude
- altitude_agl
- instrument_type
- fixed_angle
- time
- Spectral Width(spectral_width)
- base_time
- radar_measured_transmit_power_h
- follow_mode
- r_calib_receiver_gain_hc
- pulse_width
- volume_number
- platform_type
- time_coverage_end
- 95GHz reflectivity in dBZ(reflectivity)
- time_coverage_start
- range
- r_calib_noise_vx
- primary_axis
nsakasacrcwrhiC1.b1: - radar_antenna_gain_v
- prt_mode
- r_calib_radar_constant_h
- r_calib_radar_constant_v
- lat
- alt
- elevation
- prt
- time_coverage_start
- fixed_angle
- sweep_mode
- radar_beam_width_h
- sweep_number
- radar_beam_width_v
- r_calib_receiver_gain_hc
- r_calib_noise_hc
- r_calib_noise_source_power_h
- r_calib_noise_source_power_v
- n_samples
- latitude
- volume_number
- time_coverage_end
- radar_measured_transmit_power_h
- r_calib_time
- 95GHz reflectivity in dBZ(reflectivity)
- lon
- r_calib_pulse_width
- radar_antenna_gain_h
- instrument_type
- Signal to noise ratio(snr)
- nyquist_velocity
- range
- sweep_start_ray_index
- polarization_mode
- Linear depolarization ratio H(linear_depolarization_ratio)
- Spectral Width(spectral_width)
- scan_rate
- base_time
- altitude
- Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
- r_calib_index
- unambiguous_range
- longitude
- pulse_width
- azimuth
- antenna_transition
- primary_axis
- platform_type
- follow_mode
- r_calib_xmit_power_h
- r_calib_two_way_radome_loss_h
- r_calib_receiver_gain_vx
- frequency
- r_calib_noise_vx
- sweep_end_ray_index
- altitude_agl
- time
nsakasacrppiC1.b1: - frequency
- follow_mode
- radar_antenna_gain_h
- radar_antenna_gain_v
- polarization_mode
- r_calib_noise_source_power_h
- range
- lon
- base_time
- alt
- pulse_width
- volume_number
- r_calib_receiver_gain_vx
- r_calib_receiver_gain_hc
- azimuth
- primary_axis
- r_calib_xmit_power_h
- r_calib_noise_hc
- nyquist_velocity
- time_coverage_end
- n_samples
- unambiguous_range
- r_calib_radar_constant_h
- time_coverage_start
- prt_mode
- r_calib_radar_constant_v
- sweep_mode
- elevation
- Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
- Spectral Width(spectral_width)
- lat
- prt
- instrument_type
- platform_type
- Linear depolarization ratio H(linear_depolarization_ratio)
- 95GHz reflectivity in dBZ(reflectivity)
- sweep_start_ray_index
- time
- sweep_number
- r_calib_two_way_radome_loss_h
- r_calib_index
- r_calib_time
- radar_measured_transmit_power_h
- altitude_agl
- Signal to noise ratio(snr)
- antenna_transition
- scan_rate
- r_calib_noise_vx
- fixed_angle
- sweep_end_ray_index
- longitude
- altitude
- radar_beam_width_v
- r_calib_pulse_width
- radar_beam_width_h
- latitude
- r_calib_noise_source_power_v
nsakasacrrhiC1.b1: - volume_number
- polarization_mode
- antenna_transition
- radar_beam_width_h
- pulse_width
- radar_beam_width_v
- range
- sweep_mode
- fixed_angle
- base_time
- r_calib_time
- r_calib_noise_vx
- radar_measured_transmit_power_h
- Signal to noise ratio(snr)
- r_calib_noise_source_power_v
- scan_rate
- r_calib_noise_source_power_h
- sweep_number
- time_coverage_end
- r_calib_receiver_gain_hc
- radar_antenna_gain_v
- alt
- radar_antenna_gain_h
- time_coverage_start
- latitude
- r_calib_two_way_radome_loss_h
- altitude
- unambiguous_range
- azimuth
- elevation
- r_calib_pulse_width
- lat
- sweep_start_ray_index
- instrument_type
- time
- nyquist_velocity
- Linear depolarization ratio H(linear_depolarization_ratio)
- platform_type
- r_calib_receiver_gain_vx
- Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
- n_samples
- r_calib_noise_hc
- r_calib_index
- prt_mode
- 95GHz reflectivity in dBZ(reflectivity)
- longitude
- r_calib_radar_constant_h
- lon
- r_calib_radar_constant_v
- altitude_agl
- sweep_end_ray_index
- frequency
- prt
- follow_mode
- r_calib_xmit_power_h
- Spectral Width(spectral_width)
- primary_axis
nsakasacrawrhiC1.b1: - r_calib_xmit_power_h
- time_coverage_end
- sweep_start_ray_index
- r_calib_noise_source_power_v
- r_calib_index
- r_calib_noise_source_power_h
- elevation
- range
- radar_antenna_gain_v
- sweep_number
- altitude
- r_calib_receiver_gain_hc
- platform_type
- frequency
- radar_antenna_gain_h
- sweep_mode
- Signal to noise ratio(snr)
- scan_rate
- 95GHz reflectivity in dBZ(reflectivity)
- pulse_width
- radar_beam_width_v
- lat
- altitude_agl
- radar_beam_width_h
- Spectral Width(spectral_width)
- primary_axis
- r_calib_two_way_radome_loss_h
- Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
- base_time
- follow_mode
- r_calib_noise_hc
- r_calib_pulse_width
- r_calib_receiver_gain_vx
- n_samples
- polarization_mode
- unambiguous_range
- instrument_type
- sweep_end_ray_index
- Linear depolarization ratio H(linear_depolarization_ratio)
- nyquist_velocity
- prt
- alt
- antenna_transition
- lon
- volume_number
- time
- longitude
- r_calib_noise_vx
- r_calib_time
- latitude
- azimuth
- time_coverage_start
- r_calib_radar_constant_v
- r_calib_radar_constant_h
- radar_measured_transmit_power_h
- fixed_angle
- prt_mode
nsakasacrspeccmaskxpolC1.a0: - time
- locator_mask
- azimuth
- lat
- Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
- elevation
- range
- Spectrum of raw counts from spectrometer(spectra)
- velocity_bins
- time_offset
- signal_to_noise_ratio
- 95GHz reflectivity in dBZ(reflectivity)
- alt
- Spectral Width(spectral_width)
- lon
- base_time
nsakasacrspeccmaskcopolC1.a0: - signal_to_noise_ratio
- time
- lat
- range
- base_time
- 95GHz reflectivity in dBZ(reflectivity)
- elevation
- lon
- Spectral Width(spectral_width)
- locator_mask
- azimuth
- velocity_bins
- alt
- Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
- time_offset
- Spectrum of raw counts from spectrometer(spectra)
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Subject: | NSA/KASACR/C1 - Some spectra data was not being ingested and masked |
DataStreams: | nsakasacrspeccmaskcopolC1.a0, nsakasacrspeccmaskxpolC1.a0
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Description: | Raw spectra file sizes were being unintentionally limited due to an entry in a radar
configuration file, causing spectra file splits during data collection. However, the
corresponding moments files were not splitting. During the ingest and cloud masking processing,
when spectra files were being matched with corresponding raw mmoments files, only the
first spectra file in a vertically-pointing scan period was matching with the a moments file.
This caused the remaining (usuallt two) size-limited spectra files not to be ingested.
Generally, spectra for only 10 minutes of each 25-minute vertically pointing time period
have been ingested. The remaining spectra files remain in raw format at the archive. |
Measurements: | nsakasacrspeccmaskxpolC1.a0: - locator_mask
- 95GHz reflectivity in dBZ(reflectivity)
- range
- lon
- elevation
- alt
- azimuth
- base_time
- velocity_bins
- Spectral Width(spectral_width)
- lat
- time
- time_offset
- Spectrum of raw counts from spectrometer(spectra)
- signal_to_noise_ratio
- Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
nsakasacrspeccmaskcopolC1.a0: - velocity_bins
- base_time
- Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
- signal_to_noise_ratio
- range
- time
- lon
- azimuth
- locator_mask
- time_offset
- 95GHz reflectivity in dBZ(reflectivity)
- alt
- lat
- Spectral Width(spectral_width)
- elevation
- Spectrum of raw counts from spectrometer(spectra)
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