April 2007


Apr 1, 2007Landsat 7 Transitions to Bumper Mode

As reported on the USGS Landsat website: "On April 1, 2007, the Landsat 7 mission will begin imaging in an alternate mirror-scanning control mode from the original Scan Angle Monitor (SAM) process that has been used since the satellite was [...]

Nov 30, 2006Landsat Semi-Annual Calibration Meeting Held

NASA and USGS work jointly to maintain and refine as necessary, the radiometric and geometric calibrations of the Landsat 5 TM and Landsat 7 ETM+. As part of this effort, NASA funds several external teams that provide independent analyses and [...]

EarthNow logo
Nov 3, 2006Watch as Landsat Data Are Collected

The U.S. Geological Survey (USGS) has made it possible for you to watch as swaths of data from the Landsat 5 and Landsat 7 satellites are collected and downloaded to the USGS Center for Earth Resources Observation and Science (EROS) in Sioux [...]

PE&RS Oct. 2006 cover
Oct 1, 2006PE&RS Landsat Special Issue Released

The October 2006 Photogrammetric Engineering and Remote Sensing (PE&RS) Journal of the American Society for Photogrammetry and Remote Sensing (ASPRS) is a Landsat Special Issue. The special issue features articles about LDCM requirements, [...]

Sep 28, 2006Landsat Legacy Oral Histories Recorded in Santa Barbara

A set of Landsat Legacy interviews were conducted just north of Santa Barbara, CA on Thursday, Sept. 28, 2006. Landsat veterans from the Raytheon Santa Barbara Research Center were digitally recorded as they recounted their experiences building [...]

Aug 29, 2006Sam Goward to Receive 2006 USGS John Wesley Powell Award

Dr. Sam Goward, the former Landsat 7 Science Team Leader and a Professor of Geography at the University of Maryland, has been selected to receive the 2006 USGS John Wesley Powell Award. Dr. Goward has been selected to receive the award because [...]

Hawaii's Pearl and Hermes Atoll image
Jul 27, 2006Landsat Coral Reef Images Key to New Global Survey

Detailed global coral reef maps created with Landsat 7 imagery have enabled scientists to determine which reefs have adequate protection. It is well documented that coral reef biodiversity is in decline due to anthropogenic influences such as [...]

Icey Pier on Lake Ontario
Jun 13, 2006Landsat Semi-Annual Calibration Meeting Held

NASA and USGS work jointly to insure the radiometric and geometric calibrations, both current and historical, of the Landsat 5 TM and Landsat 7 ETM+ are maintained and refined. As part of this effort, NASA funds several external teams that [...]

Apr 15, 2006Landsat 7 turns seven

On this day in 1999, Landsat 7 was launched into orbit. Landsat 7 is the latest satellite in the Landsat series. Landsat 7 operations continue today, despite the Scan Line Corrector (SLC-off) anomaly. Read more [...]

Mar 19, 2006Landsat 7 Tests Bumper Mode Operations

Operations of Landsat 7 in bumper mode were successfully tested over several geometric calibration sites on Mar. 3 and 19. Currently, the motion of Landsat 7's scan mirror during imaging is controlled with the Scan Angle Monitor (SAM). However, [...]