African Association of
Remote Sensing of the Environment


All the latest news on AARSE and remote sensing.
  • 28 Oct 2015 12:28 PM | AARSE Admin (Administrator)

    Source: Quartz, Article: Annalisa Merelli

    Lake Volta, in the eastern part of Ghana, has long been a center of endemic child slavery: trafficked children are abducted from their homes and employed in the local fishing industry, where they are exploited, working up to 19 hours a day performing hard and dangerous tasks.

    There are relief organizations that want to help put an end to these practices. But it’s hard to tackle a problem when you don’t know how big it is. According to the International Labor Organization (pdf, p.22), an estimated one-third of the 1.2 million child laborers in Ghana are located in the Volta region. How many are currently employed in fisheries is harder to pinpoint.

    Martina Ucnikova, an executive for the Global Fund to End Slavery, tells Quartz that given how large the lake is—8,502 square kilometers (nearly 3,380 square miles)—it’s difficult to get an accurate count of all the boats, buildings, and fish cages that have sprung up in, on, or around the lake.

    There is, however, a relatively easy way to scan the lake for signs of fishery—looking from high above, through a satellite image. This is why the Global Fund to End Slavery partnered with Tomnod, a crowdsourcing research project that makes high-resolution satellite images provided by satellite company DigitalGlobe (of which Tomnod is part) available online.

    As it’s done before with other projects—notably, crowdsourcing the search for the missing Malaysian Airline flight 370 in 2014, and in its relief work after natural disasters—Tomnod is asking its community to simply look at the arial images of Lake Volta and tag any boats, buildings, and fish cages they see.

    The campaign, launched on Oct. 12, has so far attracted 9,000 volunteers—half of them returning Tomnod members, who have helped with other searches, and half new members, attracted by this specific effort—who have collectively tagged 80,000 objects with remarkable accuracy, Caitlyn Milton, DigitalGlobe’s crowdsourcing manager, tells Quartz.

    Participation is simple, and open to anyone with an internet connection and a few minutes to spare. Users are presented with digital images and asked to drop tags on boats, buildings, or fish cages. Once a tag is dropped, an algorithm verifies its accuracy based on elements including tags that others have left on the same object, and the experience of the tagger. Gradually, the entire surface of the lake gets explored in depth, as the same area is searched by several volunteers.

    “Part of the overarching story is that this type of exploration is easy for everyone,” Milton says, noting that the tagging community includes elementary students completing the explorations as part of their classwork, as well as elderly or disabled people who find the work to be a gratifying way to exercise their motor skills. The average search lasts only five minutes, though often people engage in multiple search sessions.

    Milton estimates that at present, 65% to 75% of the initial area is left to explore before this search is complete. Once that’s done, the Global Fund to End Slavery will be able to know “how big is the industry and estimate the size of the child trafficking,” Ucnikova tells Quartz. Right now the organization believes there are an average of 1.7 enslaved children per fishing boat.

    This will probably lead to other collaborations, Milton says, perhaps to use crowdsourced satellite image search in the same area to identify artisanal, illegal mines.

    Original article

  • 28 Oct 2015 12:18 PM | AARSE Admin (Administrator)

    Source: Penn State News

    A new Penn State project aimed at improving the food system in East Africa by enhancing pollination services and promoting bee-derived products has received a Food Systems Innovation Grant from the Global Center for Food Systems Innovation, based at Michigan State University.

    The long-term goal of the two-year project is to create an information-gathering and decision-support system that combines global positioning systems, geographic information systems and cell phone technologies to translate field data into reliable, evidence-based management recommendations for smallholder farmers. Researchers will test the effectiveness of this approach by applying it to the management of honey bees, said lead investigator Maryann Frazier, senior extension associate in entomology, Penn State College of Agricultural Sciences.

    "The honey bee is an important native pollinator and income-generator in East Africa and is well known as a key pollinating species throughout most of the world," she said. "However, in Africa, little work has been done to understand its role in agro- or natural ecosystems or what improvements might be attained through enhanced pollination services. In addition, honey bees provide income and an important source of calories for thousands of rural East Africans."

    Frazier noted that the project builds on six years of collaborative research between Penn State (including its Center for Pollinator Research and Center for Chemical Ecology), Kenya's International Center for Insect Physiology and Ecology, and, more recently, South Eastern Kenya University.

    "In our earlier work, 29 beekeepers surveyed at 14 locations across Kenya all confirmed that they are unable to meet the local demand for honey through their current production," Frazier said. "In addition, beeswax, a by-product of honey production, traditionally has been discarded by East African beekeepers. But pesticide-free beeswax is now in great demand on the international market and could provide added income for African communities."

    In the initial phase of the project, hives owned by beekeepers and placed into the local environment to capture migratory honey bee swarms will be mapped using their GPS coordinates. Research team member Patrick Kariuki, of South Eastern Kenya University, will use GIS and other satellite imagery to map the landscape, including native plant and crop coverage, and will monitor climatic conditions within the foraging range of hives.

    Using cell phone text messaging, participating beekeepers will submit honey bee population data, such as timing, location and size of the swarms colonizing the hives. They also will provide information about their management practices and honey and wax production.

    Eric Lonsdorf, visiting assistant professor of biology, Franklin and Marshall College, then will use a sophisticated model to correlate the landscape data with the information submitted by the beekeepers. The combined data will be used to characterize the best management strategies to maximize hive occupation and honey and wax production. Resulting recommendations will be shared with beekeepers via cell phone.

    "Once we have demonstrated the reliability of our methods, we will scale up this approach to determine if increased pollination by honey bees can improve yields of nutrient-rich food crops such as beans, cowpeas, pigeon peas and fruits," Frazier said. "Such increases in yields potentially could offset crop reductions due to drought and/or climate change."

    In addition, long-term monitoring of migratory honey bee populations also could provide useful information about the changing climate and its impacts on native plants and ecosystems in Africa, according to co-principal investigator Harland Patch, research scientist in entomology, Penn State.

    Other members of the research team include Christina Grozinger, professor of entomology and director of the Center for Pollinator Research, Penn State, and Elliud Muli and Benjimin Muli, of South Eastern Kenya University.

    The Global Center for Food Systems Innovation is a consortium led by Michigan State University in partnership with Wageningen University, The Netherlands; The Energy and Resources Institute, India; and Lincoln University, Pennsylvania. One of eight development labs funded by the USAID Global Development Lab under the Higher Education Solutions Network, the center's goal is to create, test and enable the scaling of innovations in the food system, using an approach that is multi-disciplinary, focused on the entire food system and forward-looking.

    Original article

  • 28 Oct 2015 11:54 AM | AARSE Admin (Administrator)

    Source:, Article: Angela Page

    In 2011, an influx of remote sensing data from satellites scanning the African savannas revealed a mystery: these rolling grasslands, with their heavy rainfalls and spells of drought, were home to significantly fewer trees than researchers had previously expected given the biome's high annual precipitation. In fact, the 2011 study found that the more instances of heavy rainfall a savanna received, the fewer trees it had.

    Read more at:
    In 2011, an influx of remote sensing data from satellites scanning the African savannas revealed a mystery: these rolling grasslands, with their heavy rainfalls and spells of drought, were home to significantly fewer trees than researchers had previously expected given the biome's high annual precipitation. In fact, the 2011 study found that the more instances of heavy rainfall a savanna received, the fewer trees it had.

    Read more at:

    In 2011, an influx of remote sensing data from satellites scanning the African savannas revealed a mystery: these rolling grasslands, with their heavy rainfalls and spells of drought, were home to significantly fewer trees than researchers had previously expected given the biome's high annual precipitation. In fact, the 2011 study found that the more instances of heavy rainfall a savanna received, the fewer trees it had.

    This paradox may finally have a solution due to new work from Princeton University recently published in the Proceeding of the National Academy of Sciences. In the study, researchers use mathematical equations to show that physiological differences between trees and grasses are enough to explain the curious phenomenon.

    "A simple way to view this is to think of rainfall as annual income," said Xiangtao Xu, a doctoral candidate in David Medvigy's lab and first author on the paper. "Trees and grasses are competing over the amount of money the savanna gets every year and it matters how they use their funds." Xu explained that when the bank is full and there is a lot of rain, the grasses, which build relatively cheap structures, thrive. When there is a deficit, the trees suffer less than grasses and therefore win out.

    To establish these findings, Xu and his Princeton collaborators Medvigy, assistant professor in geosciences, and Ignacio Rodriguez-Iturbe, professor of civil and environmental engineering, created a numerical model that mimics the actual mechanistic functions of the trees and grasses. "We put in equations for how they photosynthesize, how they absorb water, how they steal water from each other—and then we coupled it all with a stochastic rainfall generator," said Xu.

    Whereas former analyses only considered total annual or monthly rainfall, understanding how rainfall is distributed across the days is critical here, Xu said, because it determines who will win in a competition between grasses and trees for the finite resource of water availability.

    The stochastic rainfall generator draws on rainfall parameters derived from station observations across the savanna. By coupling it with the mechanistic equations describing how the trees and grasses function, the team was able to observe how the plants would respond under different local climate conditions.

    The research team found that under very wet conditions, grasses have an advantage because they can quickly absorb water and support high photosynthesis rates. Trees, with their tougher leaves and roots, are able to survive better in dry periods because of their ability to withstand water stress. But this amounts to a disadvantage for trees in periods of intense rainfall, as they are comparatively less effective at utilizing the newly abundant water.

    "We put realistic rainfall schemes into the model, then generated corresponding grass or tree abundance, and compared the numerical results with real-world observations," Xu said. If the model looked like the real-world data, then they could say it offered a viable explanation for the unexpected phenomenon, which is not supported by traditional models—and that is exactly what they found. They tested the model using both field measurements from a well-studied savanna in Nylsvley, South Africa and nine other sites along the Kalahari Transect, as well as remote sensing data across the whole continent. With each site, the model accurately predicted observed tree abundances in those locations.

    The work rejects the long held theory of root niche separation, which predicts that trees will out compete grasses under intense rainfall when the soil becomes saturated, because their heavy roots penetrate deeper into the ground. "But this ignores the fact that grasses and trees have different abilities for absorbing and utilizing water," Xu said. "And that's one of the most important parts of what we found. Grasses are more efficient at absorbing water, so in a big rainfall event, grasses win."

    "Models are developed to understand and predict the past and present state—they offer a perspective on future states given the shift in climatic conditions," said Gaby Katul, a Professor of Hydrology and Micrometeorology in the Nicholas School of the Environment at Duke University, who was not involved in the research. "This work offers evidence of how shifts in rainfall affect the tree-grass interaction because rainfall variations are large. The approach can be used not only to 'diagnose' the present state where rainfall pattern variations dominate but also offers a 'prognosis' as to what may happen in the future."

    Several high profile papers over the last decade predict that periods of intense rainfall like those described in the paper will become more frequent around the globe, especially in tropical areas, Xu said. His work suggests that these global climate changes will eventually lead to diminished tree abundance on the savannas.

    "Because the savanna takes up a large area, which is home to an abundance of both wild animals and livestock, this will influence many people who live in those areas," Xu said. "It's important to understand how the biome would change under global climate change."

    Furthermore, the study highlights the importance of understanding the structure and pattern of rainfall, not just the total annual precipitation—which is where most research in this area has traditionally focused. Fifty years from now, a region may still experience the same overall depth of precipitation, but if the intensity has changed, that will induce changes to the abundance of grasses and trees. This, in turn, will influence the herbivores that subsist on them, and other animals in the biome—essentially, affecting the entire complex ecosystem.

    Xu said it would be difficult to predict whether such changes would have positive or negative impacts. But he did say that more grasses mean more support for cows and horses and other herbivores. On the other hand, fewer trees mean less CO2 is captured out of the atmosphere, as well as diminished habitat for birds and other animals that rely on the trees for survival.

    What the model does offer is an entry point for better policies and decisions to help communities adapt to future changes. "It's just like with the weather," Xu said. "If you don't read the weather report, you have to take what nature gives you. But if you know in advance that it will rain tomorrow, you know to bring an umbrella."

    This work was supported by the Princeton Environmental Institute and the Andlinger Center for Energy and the Environment at Princeton University.

    Original article

  • 28 Oct 2015 11:50 AM | AARSE Admin (Administrator)

    Source: EE Publishers, Article: Position IT

    GISSA recently held a GIS career day for the University of Pretoria Geomatics, Geography and Geology students. Two geospatial experts shared their experience in their GIS careers, offered advice on entering the field, and answered students’ questions on work opportunities. James Saunders, a remote sensing ecologist at Southern Mapping, and Prevlan Chetty, a senior GIS specialist at GCS, explained the work they are involved in and their career paths.

    Chetty, who also represented GISSA, told students about the benefits of belonging to an organisation such as GISSA. He explained that the organisation offers special student membership, with benefits that include rubbing shoulders with experts in the industry and staying up to date with the latest developments in the field.

    Appropriate academic qualification also enhances employment opportunities, and employment opportunities in GIS are well distributed between the private and public sector, Chetty explained. He made reference to the “GIS as a tool versus GIS as a discipline” debate, and how bodies and organisations like Plato and GISSA treat GIS as a discipline with standards for work accountability.

    He also recommended students register with Plato for this reason, adding that networking with experts could lead to interesting MSc topic ideas and good work opportunities when graduating. Still being associated with the university places them in goods standing to join these organisations.

    Saunders showed students some of the work he has done in mineral mapping using GIS. Remote sensing, a field in its own right, is also seeing an explosion of new technology and opportunities, and Saunders said GIS is a great way to approach remote sensing.

    The main arguments for considering GIS careers however appeared to be that GIS is a young and a dynamic, crosscutting discipline in which one gets to deal with many aspects of a business and many interesting people and projects.

    Original article

  • 28 Oct 2015 11:07 AM | AARSE Admin (Administrator)

    Source: EE Publishers, Article: PositionIT

    Ngaka Modiri Molema District Municipality (NMMDM) is advocating for the quality production of spatial data, as well as promoting the use of spatial data to inform proper planning, decision making, policy development, and to help enhance basic service delivery through various initiatives, as required by the law, the Spatial Data Infrastructure Act (SDIA) and related legislations.

    One of these initiatives was the creation of a GIS road show for rural schools, the first of which took place in 2013. Through multiple partnerships the district was able to reach eight remote schools within a period of four days with a total number of 272 Grade 10 and 11 learners in attendance who were accompanied by twelve Geography teachers, subject specialists, and other officials from the Provincial Department of Education. Educating these rural communicates about spatial information has resulted in a 5 to 6% increase in the pass rate in the subject of Geography in schools which participated in the GIS roadshow. Following demands from within the profession, NMMDM decided to seek support from key role-players in taking this initiative to another level.

    As a result from 12 to 16 October 2015, the municipality is hosting another GIS road show which will involve even more stakeholders, and which aims to establish a strong collaboration that will assist capacity building and endorse functional enterprise GIS district wide, and harmonise working relations with other data custodians. With this initiative NMMDM is aiming to take the geomatics profession to local communities, facilitate capacity building for the enhancement of basic service delivery, and source technical expertise as well as monitoring and evaluation. It also aims to pursue resources for the improvement of geospatial tools, ensure skills development and mentorship, and assist the five constituent local municipalities in implementing the recently enacted Spatial Land Use Management Act (16 of 2013) and all the related legislations.

    Contact Flora Makgale, Ngaka Modiri Molema District Municipality, Tel 018 381-9400,

    Original article

  • 27 Oct 2015 3:11 PM | AARSE Admin (Administrator)

    Source: AZERNEWS , Article: Nigar Orujova

    A second satellite program in Azerbaijan will cost over $191 million, the State Procurement Agency of Azerbaijan reported.

    These funds will be spent on the construction of the second geostationary satellite Azerspace-2/Intelsat 38 and the purchase of ground satellite equipment.

    The second satellite program will be financed with long-term and concessional loans from Export Development Canada.

    Canadian Space Systems/Loral, a leading provider of commercial satellites, will build Azerbaijan’s second telecommunications satellite.

    The satellite design is based on the highly reliable SSL 1300 satellite platform, which provides flexibility for a broad range of applications and technology advances.

    Azerspace-2 is scheduled for launch in late 2017-early 2018. Work on the installation of ground station equipment must be completed no later than 2017, and the ready satellite shipped to the launch site before the end of 2017.

    Azerspace-2 will be launched into orbit by a French company, according to Communications and High Technologies Minister Ali Abbasov.

    The country’s first satellite was launched on an Ariane 5 ECA carrier rocket from French company Arianespace.

    He said that the second satellite would be a part of a new satellite constellation, which includes radar satellites as well. This advantage will allow Azerbaijan to use not only the telecommunications capabilities of the spacecraft, but also enhance its ability to monitor the Earth's surface.

    Azerbaijan entered the space club less than two years ago with the launch of the first Azerbaijani telecommunications satellite Azerspace-1, which provide services such as digital television, data transmission, VSAT multi-service networks, and governmental communications.

    The total value of the Azerspace-1 project is about $230 million.

    Azerspace-2 will be placed in an orbital position of 45 degrees east longitude and the International Telecommunications Satellite Organization rents 45.9 percent of its resources.

    Azerspace-2 will cover a service area of Europe, South-East Asia, Middle East and Africa.

    The geostationary satellite Azerspace-2 will be equipped with Ku- and Ka-band transponders, designed to provide digital broadcasting, Internet access, data transmission, the creation of VSAT multi-service networks, and other services.

    Moreover, Azerbaijan's satellite operator Azercosmos operates the AzerSky low-orbit satellite.

    Azersky has a broad range of applications including defense and security, emergency response, the exploration of natural resources, maritime surveillance, sea faring, environmental protection, urban planning, cartography, and tourism.

    The satellite is capable of shooting 6 million square kilometers of the surface of the Earth. The resolution of the images obtained will be 1.5 meters. The satellite will work in orbit for 12 years.

    Pictures taken from AzerSky will be used in agriculture, the Communications and High Technologies Ministry reported earlier. The satellite will capture photos of the earth's surface before late 2015.

    Pictures will be obtained both from the AzerSky satellite and the Pleiades satellite of the French Airbus Defence and Space Company. The resolution of images obtained from the Pleiades satellite, is 0.5 meters, and 1.5 meters from the Azersky satellite.

    Original article

    Other articles

    Cost of second Azerbaijani satellite to exceed $19M

  • 26 Oct 2015 2:09 PM | AARSE Admin (Administrator)
    Source: African Union


    The AU took a Summit Decision EX. CL/Dec.420 (XIII) to reconfiguration all sectorial Ministerial Conferences into ‘Specialized Technical Committees” with the objective of enhancing the methods of work, and improving sectorial relationships, synergies, effectiveness and efficiency. In this regard, Education, Science and Technology were merged under the Specialized Technical Committee (STC) on Education, Science and Technology (STC-EST).
    There is no doubt that the Education, Science and Technology sectors are complementary and should effectively drive Africa’s social and economic development and accelerate the transition of African countries to innovation-led, knowledge-based economies. Hitherto, the African Union Commission has been convening separately the African Ministers responsible for education (COMEDAF) and Ministers responsible for Science and technology (AMCOST).
    Consequently, the Commission will convene the first Ordinary Session of the STC on Education, Science and Technology from the 27th to the 30th of October 2016 in Addis Ababa, Ethiopia. The meeting will ensure continuity and consideration of the outcomes and progress in the implementation of the last meetings of AMCOST V and COMEDAF VI, as well as agree on the future functional governance of education and STI in the continent. There will also be an exhibition of model TVET programmes and on Space Sciences.

    1. To update the Ministers on the status of on-going programmes and on RECs and Member States’ performance in the education, science and technology sectors;
    2. Discuss AU Summit Decisions relevant to the conduct of education, science and technology on the continent;
    3. Consider the Education and TVET strategies and the STISA implementation plan;
    4. Consider the Africa Space Policy and Strategy;
    5. Consider funding and mobilisation of resources, especially domestic resources; and
    6. Establish precedence for conducting AU continental business in the fields of education, science and technology

    Expected Outcomes
    1. Endorsement of the Continental Strategy for Education for Africa (CESA 16-25) and other continental strategies, roadmaps and implementation plans in education, science and technology;
    2. Report on the first meeting of the STC on Education, Science and Technology;
    3. Agreement on reporting and follow up mechanisms for the continental agenda;
    4. Actions for decisions during the next Summit of Heads of State.

    • AU Ministers of Education, Science and Technology
    • Senior Education, Science and Technology Officials
    • Regional Economic Communities
    • Development Partners (as observers)

    Original article

  • 26 Oct 2015 1:24 PM | AARSE Admin (Administrator)

    Source: Department of Environmental Affairs


    The Department of Environmental Affairs (DEA), in collaboration with the Department of Science and Technology (DST), held a stakeholder workshop to refine the user-requirements of the new National Ocean and Coastal Information Management System (O&C IMS), from 14 - 15 October 2015, in Milnerton, Cape Town.

    The two departments have started an exciting process to work with key stakeholders to develop a National Ocean and Coastal Information Management System for South Africa, as well as to extend earth observation capability which is known as the O&C IMS Project.

    The Department of Environmental Affairs has a legal obligation to develop the National Ocean and Coastal Information Management System for South Africa. The White Paper for Sustainable Coastal Development in South Africa of 2000, indicated that there was a need for a National Coastal Information Management Systems and mandated DEA to develop a system that is user-friendly, cost effective and integrates the national information systems related to coastal management and protection. 

    The White Paper further indicated that provision had to be made to ensure that all stakeholders have access to information and need to include specialist advisory and technical support for decision-making in all spheres of Government. In 2008 the Integrated Coastal Management Act (Act no. 24 of 2008) placed a legal obligation on the Minister of the DEA to develop such an information and reporting system. The creation of a national O&C IMS is a key requirement in order to fully implement the White Paper for Sustainable Coastal Development in South Africa (2000), the Integrated Coastal Management Act (Act No. 24 of 2008), the National Environmental Management of the Oceans White Paper (2014) and the outcomes of Operation Phakisa.

    The purpose of this workshop was to bring together ocean and coastal stakeholders to provide inputs into the National O&C IMS Project, find commonalities, facilitate collaboration in an inclusive environment; and form technical working groups to support the O&C IMS Project objectives going forward. The output of this workshop will be a technical roadmap for the next five years for the National O&C IMS Project and will include the prioritized specification of the O&C IMS core Information and Communication Technology development.

    This project forms part of the Operation Phakisa (Marine Protection Services and Ocean Governance - Initiative 6: National Ocean and Coastal Information System and Extending Earth Observation Capability) Action Plan endorsed by Cabinet and will take five years to fully develop. However, it is foreseen that elements of an operational system will already be functional by the end of 2016.

    Operation Phakisa is an initiative by the Presidency, which aims to unlock the economic potential of South Africa’s oceans. The Oceans Economy Lab, under the leadership of the Department of Environmental Affairs, has already been completed. To unlock the ocean economy, four priority areas were identified as new growth areas in the ocean economy, with the objective of growing them and deriving value for the country. The four priority areas are, Marine transport and manufacturing activities, Offshore oil and gas exploration, Aquaculture; and Marine protection services and ocean governance.

    The outcomes of the Operation Phakisa Initiative 6 O&C IMS Project and Extending Earth Observation Capability is to: Firstly establish Earth Observation Technology Capacity for the South African Exclusive Economic Zone as well as the extended continental shelf by 2019/20. Secondly, to deliver the National Ocean and Coasts Information Management System by 2019/20, and finally to establish and implement the Data and Earth Observation Infrastructure required of the O&C IMS.  These processes will run in parallel and key to its success is the development of an Information Management System that will integrate current and future data sources and systems, information and decision-support tools into a user-friendly and cost effective National Ocean and Coastal Information Management System for the benefit of relevant stakeholders.

    It is envisaged that the O&C IMS Project will allow the department to link with other partners in South Africa and, eventually, within the continent of Africa and internationally. The vision for this project is to have a product that will be accessible in terms of information which can be interactive, controlled and used as a tool for improved decision-making, predictive modelling, research and public information. Some areas of the system will naturally be restricted to authorised users only.

    The department has appointed the CSIR Meraka Institute to assist in coordinating the implementation of this project. A Project Steering Committee has been established and the work has commenced.

    Original article


  • 08 Oct 2015 9:32 AM | AARSE Admin (Administrator)
    Source:, Article: Matthew Peach

    Image sensor technology developer Teledyne Dalsa is to partner with Denel Spaceteq, Stellenbosch, South Africa, a high-performance satellite systems and solutions provider to African and international aerospace market, with the aim of developing a new multi-spectral image sensor for advanced earth observations.

    With Teledyne Dalsa’s experience in multispectral imaging, and Spaceteq’s background in earth observation satellites, this multimillion dollar development project is expected to return high resolution images by 2019 when the next satellite launch is scheduled.

    The earth observation application will contribute to the ARMC (African Resource Management are expected to enable acquisition of data for applications such as agriculture, crop and forestry management, urban planning, environment and disaster monitoring.

    Sensor priority

    Patrick Ndhlovu, General Manager of Spaceteq, commented, “We’re excited to see this project move forward with Teledyne Dalsa. Earth observation satellites are developed by firstly choosing the ideal sensor, then the optics, and then building the rest around that. With their deep understanding of multispectral and hyperspectral imaging, and the challenges associated with these harsh environments, Teledyne Dalsa is an obvious choice for this critical aspect of our product.”

    Jean Pierre Luevano, International Sales Manager at Teledyne Dalsa, said, “Our experience with system designs optimized for radiation hardness and extreme environments will give Spaceteq and its customer a competitive advantage in today’s earth observation market by providing unprecedented high resolution images at very small ground resolutions.”

    Teledyne Dalsa’s multispectral imaging solutions leverage its long experience in design, fabrication and packaging technologies to achieve multispectral sensitivity in a single fully miniaturized package. A single device can contain multiple imaging areas tailored to different multispectral bandwidths. Positioning advanced dichroic filters directly in the imaging area achieves highly efficient multispectral sensors at various resolutions.

    About Denel Spaceteq

    Denel Spaceteq is a provider of high-performance small- and medium-sized satellites and related systems and solutions to the local and international aerospace market. Spaceteq through the absorption of SunSpace has its origins in the SUNSAT satellite programme of Stellenbosch University.

    SUNSAT, South Africa's first satellite, was developed completely by a local team of engineers, and launched in 1999 by the American space agency NASA. Most of the team who designed and developed SUNSAT forms the core of Spacteq today.

    Original article

  • 07 Oct 2015 12:45 PM | AARSE Admin (Administrator)
    Source: Metering and Smart Energy International, Article: Nicholas Nhede

    Nigeria's state utility EEDC launches GIS system to map its distribution network.

    Nigerian utility EEDC is launching a GIS system to map its distribution network and all metering points within its service territory

    In West Africa, Nigerian utility Enugu Electricity Distribution Company (EEDC) has launched an integrated network improvement programme aimed at upgrading the utility's mapping and metering system.

    According to a local news source, the programme includes the implementation of a GIS system beginning this week, which will pave the way for a smart meter rollout project in five states in eastern Nigeria.

    EEDC's principal communication manager Eugene Aniowo said the GIS programme will provide a digital map that will be used to develop a comprehensive addressing system, with the postcodes of the entire south-east region of Nigeria.

    The system will also identify and provide a record of assets and consumers within the EEDC network in Enugu, Anambra, Ebonyi, Imo and Abia.

    EEDC will install smart meters to metering points detected by the GIS system, Metering & Smart Energy International has learnt.

    The GIS system will also provide benefit to the region's navigational system and enhance security through the tracking of criminals.

    CAPMI meter scheme

    The news comes as Nigeria inches towards metering all customers.

    Lagos electricity distribution company Eko is urging consumers to utilise the Credited Advance Payment for Metering Implementation (CAPMI) scheme to install smart meters on their premises ahead of a wider scale roll-out, reported Business Day last week.

    The aim of CAPMI is as a stop-gap measure prior to the smart metering programme supposed to meter all Eko customers by 2018.

    Eko managing director and CEO Oladele Amoda said the CAPMI programme asks customers to pay upfront for the meter and installation, and receive a refund through their electricity bills.

    Smart metering in West Africa

    In other African smart meter news, the Ashanti regional office of the Electricity Company of Ghana (ECG) has begun a pre-installation survey of all government institutions and agencies to assess the viability of the deployment of smart prepaid meters to reduce the government’s indebtedness to the utility.

    According to GhanaWeb, the project undertaken by Ghanaian electricity metering solution company ElectroMeter will run for the next seven years - in line with the government’s directive to all metropolitan, municipal and district assemblies to avoid wastage of power and reduce debt.

    The company has begun with the installation of more than 200,000 meters in eight districts in the region, including Danyame, Abuakwa and Suame.

    Original article

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