Srtm 30 M

The passive targets included trihedrals and tophats. Height resolution relative. See an index map of the newly available full-resolution data. This system was required to obtain data on the length and orientation of the mast and the location and orientation of the Shuttle in earth-centered inertial coordinates.

These photographs included the Himalayas, clouds over the Pacific, volcanoes, mini games for windows 7 and recent forest fires in Indonesia. United States Geological Survey. The mast was deployed to it's full length without any problems and the antenna was successfully turned to its operational position.

In other projects Wikimedia Commons. Look angle adjustable off-nadir angle.

These factors are critical to the creation of an accurate digital topographic map automatically without ground control points. In Northeastern Australia, Gilbert Range was imaged for hydrological studies and Lawn Hill was imaged to study a meteor impact crater. The canister housed the mast during launch and landing, and it also deployed and retracted the mast. Please read the appropriate documentation, also found in the directories. Udvar-Hazy Center in Chantilly, Virginia.

The total mast plus outboard antenna system has a mass of kg. The elevation datasets are affected by mountain and desert no-data areas. The inset shows a higher resolution view of the boxed area, with a different color table to emphasize geomorphic features. The data will benefit scientists, engineers, government agencies and the public with an ever-growing array of uses.

OpenTopography

Center for Earth Observation

Shuttle Radar Topography Mission (SRTM GL1) Global 30m

Backscatter measurements at C-band and X-band of an extensive plowed field were also made for distributed target calibration. One of these transects crossed the tip of the Oluan Peninsula in southern Taiwan whereas the other transect crossed central Taiwan.

Center for Earth ObservationInteractive Maps

The corner reflectors serve as reference points in the topographic data to calibrate the phase. The Shuttle flew upside down and tail forward for simultaneous radar observations. Fitton is an international radar calibration site rich in minerals and geologic features such as alluvial fans and sand dunes. View the full size movie here. The rangefinders work by bouncing a beam of light off a special corner-cube reflector on the outboard antenna and measuring the time to determine the distance.

Archived copy as title link. From Wikipedia, the free encyclopedia. Indonesia, with many volcanoes, starting at Bali, flying westward over Java, and ending at Krakatoa Pulau Krakatau. Consultative Group on International Agricultural Research.

Intermap Technologies was the prime contractor for processing the interferometric synthetic aperture radar data. The upper diagram shows the stowed configuration. The measurements of the field were acquired by a truck-mounted radar system. Both radar systems onboard, though controlled individually to be independent and to optimize their specific radar settings, have to be operated jointly at the same start and stop times.

Single-pass interferometry observation requires a beam overlap geometry of the primary and secondary antenna systems. Nine sites in southern Michigan were chosen as point target calibration sites. Three of them are mentioned here. Australian Journal of Earth Sciences. Users in countries have accessed the site.

If the voids are large, or completely cover summit or ridge areas, no interpolation algorithms will give satisfactory results. The single-pass observation mode avoids temporal decorrelation and artifacts through atmospheric delay.

The boom structure is oriented in the cross-track direction, perpendicular to the velocity vector of the Shuttle, with tip-mounted antennas, forming a parallel antenna system with the inboard system. Jet Propulsion Laboratory. Digital elevation models Space synthetic aperture radar in spaceflight Satellite meteorology and remote sensing Spacecraft instruments Topography techniques.

Shuttle Radar Topography Mission (SRTM GL1) Global 30m

Free For All Near-Global 30-meter SRTM Elevation Data

Instrument telemetry was received over the same link. They reveal for the first time large, detailed swaths of Earth's topography previously obscured by persistent cloudiness. The pictures are used in classroom projects on Earth science, geography, mathematics and space science. Sites in Eastern and Southeastern Australia included Condarnine, Goulbum, and Tarrawarat which were imaged to generate soil moisture maps. In addition, the data set will serve for many uses in remote sensing as well as in other applications.

The elevation models are arranged into tiles, each covering one degree of latitude and one degree of longitude, named according to their south western corners. Mechanical steering range.

This required the use of onboard high-rate data tape recorders. The program lets students select photo targets and receive the images through the Internet. The information compiled and edited in this article was provided by Herbert J. Passive and active targets were used. Electronic steering range.

Shuttle Radar Topography Mission (SRTM)

Only a slight static misalignment was compensated with electronic beam steering. Eight of the sites were large, open fields. Lake Acraman was imaged to study an ancient meteor impact crater whereas Cooper Creek was imaged to study the history of seasonal river channels in this desert region.

Free For All Near-Global 30-meter SRTM Elevation Data

Smithsonian National Air and Space Museum. They can be downloaded freely over the Internet, and their file format. These swaths offered nearly contiguous coverage at higher latitudes. This implies alignment measures for each antenna system to compensate for possible misalignments during the mission.