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Questions and Answers

Which part of the ABI sensor unit is depicted in the schematic?

  • The two-mirror scanner (correct)
  • The U.S. Standard Atmosphere
  • The IR Earth-emitted spectra
  • The visible and near-IR bands

    • What is plotted in the ABI IR vertical weighting (or contribution) functions for the U.S. Standard Atmosphere, 1976 (COESA 1976)?

  • Clear-sky brightness temperature (correct)
  • Atmospheric transmittance
  • Visible and near-IR bands
  • IR Earth-emitted spectra

    • What does the temperature ordinate represent in the plot of the IR bands spectral response?

  • The atmospheric transmittance
  • The clear-sky brightness temperature
  • The temperature decreases (correct)
  • The temperature increases

    • Which band of the ABI sensor unit is used to capture visible data for the AHI?

    <p>Band 3</p> Signup and view all the answers

    What is the albedo range used for the visible data captured by the AHI?

    <p>0% to 90%</p> Signup and view all the answers

    In which scan mode does the ABI provide coverage from the west and east longitudes?

    <p>Scan mode 3</p> Signup and view all the answers

    What is the approximate pixel area of the nominal 1-km bands in the ABI?

    <p>1000 square kilometers</p> Signup and view all the answers

    Which two operational locations are shown in Figure 5?

    <p>137° and 75°W longitude</p> Signup and view all the answers

    Which satellite launched on 19 November 2016?

    <p>Geostationary Operational Environmental Satellite-R (GOES-R)</p> Signup and view all the answers

    What is the purpose of selecting mesoscale sectors?

    <p>To meet operational needs such as tracking hurricanes, anticipating severe weather, covering wildfires, and collecting vicarious calibration data</p> Signup and view all the answers

    Which instrument has spectral bands covering the visible, near-infrared, and infrared portions of the electromagnetic spectrum?

    <p>Advanced Baseline Imager (ABI)</p> Signup and view all the answers

    What is the major difference between the Advanced Himawari Imager (AHI) and the Advanced Baseline Imager (ABI)?

    <p>AHI has a higher spatial resolution</p> Signup and view all the answers

    What is the approximate spatial resolution for a 1-km-resolution band over most of the CONUS from GOES-East?

    <p>2 km</p> Signup and view all the answers

    Which band is used for the generation of true color imagery on the GOES-R series?

    <p>0.51-µm (green) band</p> Signup and view all the answers

    What are some of the attributes that are much improved in the Advanced Baseline Imager (ABI) compared to the current series of GOES imagers?

    <p>Spectral, spatial, and temporal resolution; radiometrics; and image navigation/registration</p> Signup and view all the answers

    Which sensor will not be included in the GOES-R series?

    <p>Advanced Baseline Sounder</p> Signup and view all the answers

    What was the first known use of 1-min satellite data in an operational forecast?

    <p>GOES-10 data in 2006</p> Signup and view all the answers

    What are the ongoing activities within the GOES-R program?

    <p>Algorithm Working Group, Calibration Working Group, Product Working Group, Risk Reduction Program</p> Signup and view all the answers

    Which unit is used to measure the reflective bands?

    <p>SNR at 100% albedo</p> Signup and view all the answers

    What is the system-level ABI navigation specification for the IR bands?

    <p>28 μrad (3σ)</p> Signup and view all the answers

    How does the ABI's coverage rate compare to the current imager?

    <p>The ABI covers the Earth much faster</p> Signup and view all the answers

    What is the first option for the ABI scan mode?

    <p>Flex mode timeline</p> Signup and view all the answers

    Which units make up the ABI instrument?

    <p>Sensor unit (SU), electronics unit (EU), and cryocooler control electronics (CCE)</p> Signup and view all the answers

    Which direction is the Earth-facing optical port in the schematic of the ABI sensor unit?

    <p>Up (or the z direction)</p> Signup and view all the answers

    What is the nadir spatial resolution of the ABI channels?

    <p>0.5 km (ABI band 2), 1 km (ABI bands 1, 3, and 5), and 2 km (the remaining bands, including all the infrared bands)</p> Signup and view all the answers

    What is the purpose of the resampler in the ABI instrument design?

    <p>To remap from a number of detector samples to a uniform set of pixels</p> Signup and view all the answers

    What is the purpose of the resampler in the ABI instrument design?

    <p>To improve the spectral resolution</p> Signup and view all the answers

    What is the approximate spatial resolution for a 1-km-resolution band over most of the CONUS from GOES-East?

    <p>1 km</p> Signup and view all the answers

    Which sector has been shifted to the west to include Hawaii when viewed from the GOES-West position?

    <p>CONUS sector</p> Signup and view all the answers

    What is the purpose of selecting mesoscale sectors?

    <p>All of the above</p> Signup and view all the answers

    What are the units for the reflective bands on the ABI?

    <p>SNR at 100% albedo</p> Signup and view all the answers

    What is the system-level ABI navigation specification for the IR bands?

    <p>28 μrad (3σ)</p> Signup and view all the answers

    How does the ABI's coverage rate compare to the current imager?

    <p>The ABI covers the Earth much faster</p> Signup and view all the answers

    What is the purpose of the resampler in the ABI instrument design?

    <p>To improve the spatial resolution of the ABI</p> Signup and view all the answers

    Which satellite is equipped with the Advanced Baseline Imager (ABI)?

    <p>GOES-R</p> Signup and view all the answers

    What is the launch date of the GOES-R satellite?

    <p>19 November 2016</p> Signup and view all the answers

    What are some of the attributes that are improved in the ABI compared to the current series of GOES imagers?

    <p>All of the above</p> Signup and view all the answers

    How can users acquire GOES-R imagery and products?

    <p>Direct reception via the satellite downlink and online-accessible archive</p> Signup and view all the answers

    Which spectral band is used for the generation of true color imagery on the GOES-R series?

    <p>0.51-µm (green) band</p> Signup and view all the answers

    Which sensor will not be included in the GOES-R series?

    <p>Advanced Baseline Sounder</p> Signup and view all the answers

    What was the purpose of the Super Rapid Scan Operations for GOES-R (SRSOR) experiment?

    <p>To provide near-real-time 1-min imagery</p> Signup and view all the answers

    What is the main difference between the Advanced Himawari Imager (AHI) and the Advanced Baseline Imager (ABI)?

    <p>Spectral bands coverage</p> Signup and view all the answers

    What are the three units that make up the ABI instrument?

    <p>The sensor unit (SU), the electronics unit (EU), and cryocooler control electronics (CCE)</p> Signup and view all the answers

    What is the nadir spatial resolution of the ABI channels?

    <p>0.5 km (ABI band 2), 1 km (ABI bands 1, 3, and 5), and 2 km (the remaining bands, including all the infrared bands)</p> Signup and view all the answers

    What are the three spatial response requirements that ensure the ABI images are sharp and free from spatial response artifacts?

    <p>Modulation transfer function (MTF), ringing, and spatial response uniformity</p> Signup and view all the answers

    What is the purpose of the resampler in the ABI instrument design?

    <p>To remap from a number of detector samples to a uniform set of pixels</p> Signup and view all the answers

    Which scan mode of the ABI covers the mesoscale regions 30 times?

    <p>Scan mode 3</p> Signup and view all the answers

    How many swaths are used to cover the FD in ABI scan mode 3?

    <p>22</p> Signup and view all the answers

    Why is the average data rate in the CFD mode greater than that of the flex mode?

    <p>The CFD mode has more calibration measurements</p> Signup and view all the answers

    Which scan mode is not currently supported by the operational ground system?

    <p>Scan mode 6</p> Signup and view all the answers

    What is the improved cadence of the FD in the possible future scan mode 6?

    <p>Every 10 minutes</p> Signup and view all the answers

    Which geostationary imagers would have a similar cadence to the possible future scan mode 6?

    <p>AHI and Meteosat Third Generation Flexible Combined Imager</p> Signup and view all the answers

    Which scan mode of the ABI covers the mesoscale regions 30 times?

    <p>Scan mode 3</p> Signup and view all the answers

    What is the improved cadence of the Full Disk (FD) scans in the possible future scan mode 6?

    <p>Every 1 minute</p> Signup and view all the answers

    Which instrument has spectral bands covering the visible, near-infrared, and infrared portions of the electromagnetic spectrum?

    <p>Advanced Baseline Imager (ABI)</p> Signup and view all the answers

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