February 2014


Landsat 8: Good Things, Getting Better
Feb 18, 2014Landsat 8: Good Things, Getting Better

[By: Rebecca Johnson, Jim Lacasse, Gene Fosnight, and Ron Morfitt, USGS EROS] It’s hard to believe a year has passed since the launch of Landsat 8. This first anniversary is going to be an exciting, upbeat celebration because the new satellite [...]

Landsat Update: Upcoming Landsat 8 Reprocessing
Oct 21, 2013Landsat Update: Upcoming Landsat 8 Reprocessing

Within the next several weeks, all Landsat 8 data that have been acquired since achieving WRS-2 operational orbit will be reprocessed using updated calibration parameters for OLI and TIRS data. During this time, all online products will be [...]

Jun 28, 2013Landsat 8 Data Processing and Archive System (DPAS)

< Mission Operations Center (MOC)   The USGS is also developing the DPAS to manage the mission data transmitted from the LDCM observatory. The DPAS will be operated at EROS along with the rest of its Landsat data archive and it will consist [...]

Jun 28, 2013Landsat 8 Mission Operations Center (MOC)

< Landsat 8 Ground System Data Processing and Archive System (DPAS) >   A flight operations team (FOT) will operate two computer systems within the MOC, the Collection Activity Planning Element (CAPE) and the Mission Operations Element [...]

ground system logo 2
Jun 28, 2013Landsat 8 Ground System

Mission Operations Center (MOC) > The Landsat 8 Ground System includes all of the ground-based assets needed to operate the Landsat 8 observatory. The primary components of the Ground System are the Mission Operations Element, Collection [...]

Relative Spectral Response
Jun 28, 2013Preliminary Spectral Response of the Operational Land Imager In-Band, Band-Average Relative Spectral Response

< Pre-launch OLI Performance   The band-average relative spectral radiance responses of the Operational Land Imager (OLI) are provided in this spreadsheet. These responses are from measurements made of the fully assembled instrument under [...]

OLI prelaunch signal-to-noise ratio
Jun 28, 2013Pre-launch OLI Performance

< OLI Design Relative Spectral Response >   BATC has conducted robust testing of OLI performance in accordance with their proposal and contract. These prelaunch tests indicate that OLI performance meets specification with requirements [...]

drawing of OLI
Jun 28, 2013OLI Design

< OLI Requirements Pre-launch OLI Performance >   The OLI is a push broom sensor employing a focal plane with long arrays of photosensitive detectors (Irons & Dwyer, 2010). A four-mirror anastigmatic telescope focuses incident Read more [...]

Jun 28, 2013OLI Requirements

< Operational Land Imager (OLI) OLI Design >   The OLI requirements specified a sensor that collects image data for nine spectral bands with a spatial resolution of 30 m (15 m panchromatic band) over a 185 km swath from the nominal 705 km [...]

TIRS telescope
Jun 27, 2013Preliminary Spectral Response of the Thermal InfraRed Sensor

< TIRS Design   In-Band, Band-Average Relative Spectral Response The band-average relative spectral radiance responses of the Thermal InfraRed Sensor (TIRS) are provided here. These responses are based on measurements of the individual Read [...]