Landsat Missions

2015

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December 28, 2015 - NASA Highlights Landsat from Recent User Conference

A number of interesting articles, based on the recent American Geophysical Union (AGU) conference presentations, are now posted on the NASA Landsat Science Archive web page.

December 18, 2015 - Upcoming Website Unavailability

This site will be unavailable from 10:00 am to 11:00 am CT on Tuesday, December 22, 2015 for server maintenance.  We apologize for any inconvenience this may cause.

December 14, 2015 - ​Upcoming Landsat Science Team Meeting

The next meeting of the Landsat Science Team (LST) will be held January 12-14, 2016, at Virginia Tech in Blacksburg, Virginia. The LST is composed of 21 scientists and engineers from American universities, federal agencies, and international organizations that represent the breadth of key Landsat science, engineering, and applications topics. The group meets twice each year to contribute scientific and technical evaluations of Landsat issues important to the broader Landsat user community. (Read More)

December 9, 2015 - New Landsat Update available

The latest Landsat Update contains information about the Landsat 8 Thermal Infrared Sensor anomaly, the increasing requests for science data products, and a link to the updated Landsat Fact sheet. Check it out!

November 18, 2015 - Upcoming Website Unavailability

On Thursday, ​November 19, 2015, this site and all USGS data downloads may become unavailable from 6:00 pm until 7:00 pm CT due to USGS EROS network upgrades. We apologize for the short notice and any inconvenience this may cause.

November 17, 2015 Landsat 8 TIRS Anomaly Update

The Landsat 8 Thermal Infrared Sensor (TIRS) Scene Select Mirror (SSM) encoder electronics anomaly investigation continues. In the meantime, Landsat 8 Level-1 products will continue to be made available consisting of valid data for the OLI solar reflective bands but with zero-fill data for the TIRS bands until corrections can be released in early 2016. (Read More)

November 3, 2015 - ​TIRS Scene Select Mirror Encoder Current Anomaly

At approximately 4:00 PM Central Standard Time (22:00 GMT) Sunday November 1, 2015 the TIRS instrument experienced an anomalous condition related to the instrument's ability to accurately measure the location of the Scene Select Mirror (SSM). (Read More)

October 29, 2015 - Upcoming Website Unavailability

On Thursday, ​November 5, 2015, this site and all USGS data downloads will be unavailable from 6:00 pm until 9:00 pm CT due to USGS EROS network upgrades. We apologize for any inconvenience this may cause.

October 28, 2015 - Landsat 8 Thermal Sensor Electronics Condition

The Landsat 8 Flight Operations Team is monitoring an increasing trend in the Thermal Infrared Sensor (TIRS) B-Side Encoder Electronics current. This condition is similar to the previous observations made on the Encoder A-Side electronics during the fall of 2014. (Read More)

October 21, 2015 - Upcoming Processing System Updates and Landsat Data Changes

In late November 2015, updates to the Landsat processing system will be released resulting in changes to the data products. These updates and changes are documented in the latest Landsat Update.

October 20, 2015 - Possible Connectivity Issues Thursday, Oct 22, 2015

This site may have intermittent access Thursday October 22, 2015 between 6 pm and 9 pm CDT during network upgrades. We apologize for any inconvenience this may cause.

October 13, 2015 - Recent Landsat 8 Data Acquired in Lower Truncation

In September and October 2015, some Landsat 8 scenes were acquired using the lower 12 bits of the entire 14-bit range. Scenes acquired in this mode support the study of dark features, but consequently cause bright data artifacts. For more information see the OLI Lower Truncation Webpage.

October 2, 2015 - NASA's Landsat Science

The partnership between the USGS and NASA has proven successful for many years. This cooperation continues, as development begins on the next Earth-observing mission, Landsat 9, which is scheduled to launch no later than 2023.

September 28, 2015 - Upcoming Landsat 7 Maneuver, No Data To be Acquired

Landsat 7 inclination maneuver (delta i) operations for 2015 will begin on Tuesday September 29, 2015 (DOY 272). No Landsat 7 data will be acquired starting at 12:00 UTC (7:00 am CDT) on DOY 272, until approximately 04:30 UTC (11:30 pm CDT) on October 1, 2015 (DOY 274). We apologize for any inconvenience this may cause.

September 17, 2015 - Possible Connectivity Issues between 9:00 pm and midnight CDT

Due to Internet provider maintenance, this site may encounter connectivity issues starting at 9:00 pm to Midnight CDT on Thursday, September 17, 2015. We apologize for any inconvenience this may cause.

August 19, 2015 - Landsat Data Downloads Unavailable

Landsat Data Downloads are unavailable from 6:00 am to 12:00 pm CDT today for system upgrades.

July 24, 2015 - Science Team Meeting Presentations Available

In early July, the Landsat Science Team Meeting was held at the USGS Earth Resources Observation and Science (EROS) Center in Sioux Falls, South Dakota. Presentations from the meeting are now available on the Meetings webpage.

July 14, 2015 - Upcoming Website Unavailability

This website may become unavailable from 6:00 pm to 9:00 pm CDT on Thursday, July 16, 2015 due to network upgrades. In order to prepare, the production of Landsat data products will be halted at 4:00 pm CDT on July 16, and will remain idle until the morning of July 17. Newly acquired Landsat 7 and Landsat 8 data will become visible during the day of July 17, after the production systems resume. We apologize for any inconvenience this may cause.

June 19, 2015 - Landsat 8 Data Users Handbook Available

The Landsat 8 Data Users Handbook is now available! Please contact us with any questions or comments.

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June 9, 2015 - Upcoming Delay of New Landsat 8 Data

The transmission of newly-acquired Landsat 8 data to EarthExplorer and GloVis will be delayed from 8:00 am to 12:00 pm CT on Tuesday, June 16, 2015 while data directories are updated. Data downloads will see no interruptions. We apologize for this inconvenience.

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Landsat represents the world's longest continuously acquired collection of space-based moderate-resolution land remote sensing data. Four decades of imagery provides a unique resource for those who work in agriculture, geology, forestry, regional planning, education, mapping, and global change research. Landsat images are also invaluable for emergency response and disaster relief.

 

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The Landsat Update is an informal communication tool, prepared periodically and distributed electronically to USGS Landsat partners, to provide information about Landsat activities and related topics of interest.

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