News Archives
Landsat 5 Resumes Operations: Problem With Traveling Wave Tube Amplifier Resolved
The Landsat 5 Flight Operations Team (FOT) engineers recently determined that the Mar. 16 Traveling Wave Tube Amplifier (TWTA) anomaly was due to a power spike coinciding with transmitter turn-on. To avoid
Landsat 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
Landsat 5 TWTA Transmitter Problem Interrupts Data Acquisitions
After an outgassing event, the Landsat 5 X-band transmitter prematurely shut off during a data downlink to the USGS Landsat Ground Station in Sioux Falls, SD. Specifically the backup Traveling Wave
Landsat 5 Turns 22!
On this day in 1984, Landsat 5 was launched into orbit. Today, after 22 years of service, Landsat 5 is still operational. The original design life of Landsat 5 was
Geospatial Education Workshop Report Released
The Landsat Education & Public Outreach staff co-wrote the recently published report, “Integrating Geographic Information Systems and Remote Sensing for Technical Workforce Development at Two-Year Colleges.” The report, partially funded
Landsat 5 Resumes Operations: Solar Array Drive Problem Resolved
USGS and NASA engineers were able to alter the normal operating procedures for the L5 back-up solar array drive, enabling the array to provide adequate power for the mission to
An LDCM Free-flyer Announced
The Office of Science and Technology Policy (OSTP) issued a memorandum signed by Dr. John Marburger, III adjusting the Landsat Data Continuity Mission strategy. NASA was instructed to acquire a
Solar Array Drive Problem Causes Suspension of Landsat 5 Data Acquisitions
Landsat 5’s back-up solar array drive began exhibiting unusual behavior today, with its rotation becoming sporadic and failing to maintain proper solar array sun-pointing resulting in its inability to provide
