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Archive for the ‘SPOT 7 satellite’ Category

MetroTech Offers Real-Time Traffic Intelligence

Thursday, September 17th, 2015

MetroTech is a company that provides an Intelligent Transportation System with its “IntelliSection” data analytics tools to use on an existing city infrastructure, to turn it into a smart city.

metrotech (more…)

Data Links for Nepal Earthquake

Tuesday, April 28th, 2015

Over the weekend, a devastating 7.8 magnitude earthquake struck Nepal near the city of Kathmandu, followed by aftershocks that also resulted in many deaths and structural damage. Simultaneously, climbers on Mount Everest’s base camp were buried in an avalanche, precipitated by the quake.

The following are some sites that provide some geospatial insight into the events. I’m leaving the links whole in most cases so that they are easy for people to access and will add others as I learn about them. If anyone has any other links that should be added to this list, please contact me at susan.smith@ibsystems.com.

Dharahara Tower, Kathmandu April 2014 before the earthquake, courtesy DigitalGlobe

Dharahara Tower, Kathmandu April 2014 before the earthquake, courtesy DigitalGlobe

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New indepth coverage for October: Unmanned Aerial Systems (UAS)

Thursday, September 11th, 2014

GISCafe Voice is running a Special Feature Blog on the topic of Unmanned Aircraft Systems (UAS) the week of October 20th. If you wish to have your company included, please let me know, Susan Smith at susan.smith@ibsystems.com The GISCafe UAS Questionnaire will be sent to all companies who offer UAV and UAS products and services, so that we may thoroughly cover all opportunities available. Or, you can print it yourself from this blog and email it to me.

A Reaper UAV drone (more…)

NASA needs help from citizen science

Tuesday, August 26th, 2014

A recent CNN report announced thatNASA is asking for the help of citizens in viewing hundreds of thousands of images taken from space over the years, from the 1960s Mercury missions to the present images snapped from the International Space Station.

North Korea is barely lit when juxtaposed with neighboring South Korea and China.
North Korea is barely lit when juxtaposed with neighboring South Korea and China.

Via The Gateway to Astronaut Photography of Earth, NASA is making these images available for citizens to examine.

NASA says the hope is that the images “could help save energy, contribute to better human health and safety and improve our understanding of atmospheric chemistry. But scientists need your help to make that happen.”

The catalog contains more than 1.8 million photos, about 1.3 million of them from the space station and roughly 30% of them taken at night.

 Photos: International Space Station
NASA gets rare view of black hole
NASA tests supersonic parachute for Mars

Tyson on deep space exploration

The CNN report said that before 2003, night images from the space station could be blurry, even with high-speed film and manual tracking, because the station moves at about 17,500 mph. In that same year, astronaut Don Pettit used a drill and assorted parts he found on the station to cobble together a “barn-door tracker,” a lower-tech predecessor to the European Space Agency’s NightPod, which was installed at the space station nine years later.

According to the report, NightPod’s motorized tripod compensates for the space station’s speed, providing what NASA scientist William Stefanov says are the highest-resolution night images from orbit. Satellites collect data more regularly, but the photos tend to be lower resolution. “Now the pictures are clear, but their location may not be, which limits their usefulness,” the NASA news release says.

Citizen science has a better handle on location than the night images from the space station and satellite imagery. The Complutense University of Madrid is spearheading efforts to get citizen input and organize the photos.  They have broken down the  the images into three components requiring different levels of participation:

1. Dark skies. This is the easiest project, as it requires no scientific expertise. “Anyone can help” by sorting the images into the categories: cities, stars or other objects, said Alejandro Sanchez, doctoral student at Complutense.

“Without the help of citizens, it is almost impossible to use these images scientifically. Algorithms cannot distinguish between stars, cities and other objects, such as the moon. Humans are much more efficient for complex image analysis,” he said.

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New indepth coverage for September: Satellite Imaging

Thursday, August 7th, 2014

During the week of September 15th, GISCafe Voice will run a special feature blog on the topic, “Satellite Imaging.”

Geospatial3 (more…)

First images from SPOT 7 satellite published

Monday, July 7th, 2014

The first images gleaned from the SPOT 7 satellite were published by Airbus Defence and Space. The satellite was launched on June 30th and the images were obtained just three days after launch. Within hours, satellite programming and image acquisition, telemetry reception and processing, were all made operational to deliver these first images. These images depict highly diverse landscapes, revealing SPOT 7 range of ability to capture natural resource and urban zone mapping and agri-environmental monitoring.

SPOT7_LaMecque_presse

The entire SPOT 6/7 constellation is now in place and an improvement over the capabilities and performance offered by SPOT 5, the SPOT satellite launched in 2002. Because of the much improved capability of SPOT 6/7, SPOT 5 will be decommissioned from  commercial service during the first quarter of 2015. This new constellation offers a higher resolution, greater programming reactivity and a much higher volume of images acquired daily (in monoscopic or stereoscopic mode).

Why SPOT 6 and SPOT 7 are so advanced is because they form a constellation of high-resolution Earth observation satellites phased at 180° in the same orbit. According to press materials, this means that each point on the globe can be revisited on a daily basis and wide areas covered in record time, all with an unparalleled level of precision. With both satellites in orbit, acquisition capacity will be boosted to six million square kilometres per day – an area ten times the size of France.

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