The PREFIRE mission announces the 1st release of level 1, L1A and L1B, data. These data are at beta maturity, which means that the product is minimally validated but may still contain significant errors; it is based on product quick looks using the initial calibration parameters. Because the products at this stage have minimal validation, users should refrain from making conclusive public statements regarding science and applications of the data products until a product is designated at the provisional validation status.
Level 1A product is calibrated, but not geolocated Earth-emitted spectral radiance measured by TIRS instrument. Level 1B product is calibrated and geolocated spectral radiance. Both products also include radiance uncertainties and quality flags. The L1 radiance data products are provided in netCDF4 format.
PREFIRE_SAT1_1A-RAD_R00
PREFIRE (Polar Radiant Energy in the Far InfraRed Experiment) Level 1A Calibrated Spectral Radiance from PREFIRE Satellite 1 (PREFIRE_SAT1_1A-RAD) contains calibrated radiance data derived from data collected by the PREFIRE Thermal Infrared Spectrometer (TIRS-PREFIRE) aboard PREFIRE-SAT1. Dual CubeSats each carry this push-broom spectrometer with 63 channels measuring mid- and far-infrared (FIR) radiation from approximately 3.9 to 52.66 µm. Most polar radiative flux is in the FIR, but has not been measured on a large scale.
PREFIRE_SAT1_1B-RAD_R00
PREFIRE (Polar Radiant Energy in the Far InfraRed Experiment) Spectral Radiance from PREFIRE Satellite 1 (PREFIRE_SAT1_1B-RAD) contains calibrated and geolocated radiance data derived from data collected by the PREFIRE Thermal Infrared Spectrometer (TIRS-PREFIRE) aboard PREFIRE-SAT1. Dual CubeSats each carry this push-broom spectrometer with 63 channels measuring mid- and far-infrared (FIR) radiation from approximately 3.9 to 52.66 µm. Most polar radiative flux is in the FIR, but has not been measured on a large scale.
PREFIRE_SAT2_1A-RAD_R00
PREFIRE (Polar Radiant Energy in the Far InfraRed Experiment) Level 1A Calibrated Spectral Radiance from PREFIRE Satellite 2 (PREFIRE_SAT2_1A-RAD) contains calibrated radiance data derived from data collected by the PREFIRE Thermal Infrared Spectrometer (TIRS-PREFIRE) aboard PREFIRE-SAT2. Dual CubeSats each carry this push-broom spectrometer with 63 channels measuring mid- and far-infrared (FIR) radiation from approximately 4.47 to 54.11 µm. Most polar radiative flux is in the FIR, but has not been measured on a large scale.
PREFIRE_SAT2_1B-RAD_R00
PREFIRE (Polar Radiant Energy in the Far InfraRed Experiment) Spectral Radiance from PREFIRE Satellite 2 (PREFIRE_SAT2_1B-RAD) contains calibrated and geolocated radiance data derived from data collected by the PREFIRE Thermal Infrared Spectrometer (TIRS-PREFIRE) aboard PREFIRE-SAT2. Dual CubeSats each carry this push-broom spectrometer with 63 channels measuring mid- and far-infrared (FIR) radiation from approximately 4.47 to 54.11 µm. Most polar radiative flux is in the FIR, but has not been measured on a large scale.
Information about the products can be found at the Atmospheric Science Data Center (ASDC) link:
https://asdc.larc.nasa.gov/project/PREFIRE/PREFIRE_SAT1_1A-RAD_R00
https://asdc.larc.nasa.gov/project/PREFIRE/PREFIRE_SAT1_1B-RAD_R00
https://asdc.larc.nasa.gov/project/PREFIRE/PREFIRE_SAT2_1A-RAD_R00
https://asdc.larc.nasa.gov/project/PREFIRE/PREFIRE_SAT2_1B-RAD_R00
These data products are available from the ASDC via the following options:
CMR Virtual Directories
https://cmr.earthdata.nasa.gov/virtual-directory/collections/C3388184425-LARC_CLOUD
https://cmr.earthdata.nasa.gov/virtual-directory/collections/C3388184425-LARC_CLOUD
https://cmr.earthdata.nasa.gov/virtual-directory/collections/C3337750490-LARC_CLOUD
https://cmr.earthdata.nasa.gov/virtual-directory/collections/C3388184485-LARC_CLOUD