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Early radar technologies, such as WSR-57 (Weather Surveillance Radar - 1957), have been replaced by the Next Generation Weather Radar program which was installed in segments during the 1990s. Also known as WSR-88D (Weather Surveillance Radar 88 Doppler), NEXRAD is a doppler system that replaced older non-Doppler meteorological radars.
Weather satellite images helped in monitoring the volcanic ash cloud from Mount St. Helens and activity from other volcanoes such as Mount Etna. [2] Smoke from fires in the western United States such as Colorado and Utah have also been monitored. El Niño and its effects on weather are
In a radar image, one can see only the energy that was reflected back towards the radar antenna. The radar moves along a flight path and the area illuminated by the radar, or footprint, is moved along the surface in a swath, building the image as it does so. [1] Digital radar images are composed of many dots.
RISAT-2B's main sensor is an indigenously developed synthetic-aperture radar (SAR) imaging satellite operating in X-band with 3.6 m radial rib antenna. The satellite is utilized for high resolution spot imaging of locations of interest and it has a mass of 615 kg (1,356 lb).
Animal migration tracking is used in wildlife biology, conservation biology, ecology, and wildlife management to study animals' behavior in the wild. One of the first techniques was bird banding , placing passive ID tags on birds legs, to identify the bird in a future catch-and-release.
The C-Band Radar Transponder (Model SST-135C) is intended to increase the range and accuracy of the radar ground stations equipped with AN/FPS-16, and AN/FPQ-6 Radar Systems. C-band radar stations at the Kennedy Space Center, along the Atlantic Missile Range, and at many other locations around the world, provide global tracking capabilities.
Radar has been used to study seasonal variations in starling roosting behaviour. [5] It has also been used to identify risks to aircraft operations at airports. [ 6 ] The technique has been in conservation applications such as being used to assess the risk to birds by proposed wind energy installations, to quantify the number of birds at roost ...
The first images from space were taken on the sub-orbital V-2 rocket flight launched by the US on October 24, 1946. Satellite image of Fortaleza.. Satellite images (also Earth observation imagery, spaceborne photography, or simply satellite photo) are images of Earth collected by imaging satellites operated by governments and businesses around the world.