Coompany profile Iridium :
Truly Global Communications
Iridium Communications Inc. is the only satellite communications company that offers truly global voice and data communications coverage. A technology innovator and market leader, Iridium is advancing the way global enterprises conduct daily mission-critical activities through reliable, near real-time, communications services.
Iridium' s 66 low-Earth orbiting ( LEO) cross-linked satellites – the world' s largest commercial constellation – operate as a fully meshed network that is supported by multiple in-orbit spares.
Reaching over oceans, through airways and across the Polar Regions, Iridium solutions are ideally suited for industries such as maritime, aviation, government/ military, emergency/ humanitarian services, mining, forestry, oil and gas, heavy equipment, transportation and utilities. Iridium provides service to subscribers from the U.S. Department of Defense, as well as other civil and government agencies around the world. Iridium sells its products, solutions and services through a network of service providers and value-added dealers.
Iridium NEXT: Expanding the Possibilities
Iridium is constantly finding new ways to expand possibilities, including our next-generation constellation, Iridium NEXT. Anticipated to begin launching in 2015, Iridium NEXT will bring enhanced and entirely new services and capabilities to our customers.
Connecting People, Businesses and Organizations
Iridium voice services are provided via various handsets and installed communications systems onboard ships, aircraft and land-based vehicles. Iridium' s short burst data ( SBD) transceiver, incorporated into an ever-increasing number of applications, provides data connections to every corner of the Earth, transferring location information, weather reports, email, or any other data requiring a reliable, global, two-way connection.
Iridium proactively addresses new and emerging markets, with its most rapidly expanding business segment as the machine-to-machine ( M2M) market and the two-way, satellite-based location, tracking and messaging market. Iridium OpenPort provides complete voice and data coverage for ships at sea over the world’ s largest and only complete global commercial satellite constellation.
A publicly traded company headquartered in McLean, Va., Iridium manages several operations centers, including Tempe, Arizona and Leesburg, Virginia, U.S.A. The U.S. Department of Defense, through its own dedicated gateway, relies on Iridium for global communications capabilities.
Company Profile Inmarsat :
Inmarsat has been at the forefront of mobile satellite services for over 31 years. We are recognised leaders in our field and we continue to introduce new technologies that redefine the standard for our industry.
As of August 2010, Boeing, the US aerospace manufacturer, has been contracted to build a pioneering new constellation of satellites - the Inmarsat-5s. They will form the backbone of our planned Inmarsat Global Xpress™ network, delivering mobile broadband speeds of up to 50 megabits per second.
Our current fleet of 11-satellites already provides seamless mobile voice and data communications around the world, enabling users to make phone calls or connect to the internet - whenever and wherever they need - on land, at sea or in the air.
Inmarsat' s award-winning Broadband Global Area Network ( BGAN) service, for example, makes it possible for TV broadcasters to beam live breaking news from remote locations into millions of homes.
And in future, when you make a mobile phone call or send a text message from an aircraft, it' s likely to be routed via the Inmarsat satellites to the ground.
But for the maritime community our communication and safety services are nothing new. Their lives and livelihoods have depended upon Inmarsat for more than a quarter of a century.
We were founded in 1979 to ensure that ships could stay in constant touch by telephone. In 1999, we became the first intergovernmental organisation to transform into a private company and, in 2005, were floated on the London Stock Exchange.
Company Profile Thuraya :
Since Thuraya was established in 1997, we have grown into a multi-million dollar business offering satellite performance and solutions that are second to none.
Building the world’ s largest subscriber base for mobile satellite handsets, Thuraya’ s products are among the most competitive in the MSS market, including the world’ s most durable, smallest and smartest mobile satellite handsets and broadband devices.
Thuraya’ s coverage area takes in the majority of developing markets, by land and at sea, including huge rural communities and vertical industries. Numerous customers within oil and gas, broadcast media, military, government/ non-government organizations and maritime sectors now rely on our MSS products and solutions for durable, portable and reliable satellite connectivity.
Through our commitment to innovation and development, Thuraya is continually expanding and improving to meet the communication needs of even more people around the globe.
In meeting these needs, Thuraya has built a global distribution channel. In partnership with service providers, this ever-expanding channel further enables us to serve a wide array of industries and customers from all walks of life.
In addition to satellite phones, We also Manufactures All types of solar, such as street lighting ( PJU) And Solar Panels.
Solar Panels or Solar Module or ordinary Indonesian people mention it as a Solar Panel, is the most important component of a Solar Power Plant ( PLTS) . Solar panels convert solar energy into electricity. Solar panel consists of a number of silicon cells ( also called solar cells, PV) are exposed to the sun / solar, which then produces photons that generate electric current.
A set of Solar Panels in a system called Array. A large number of modules - which can be arranged in series or parallel- will determine the amount of the total energy output of electricity generated.
What is a Solar Power Plant?
SPP stands for Solar Power Generation. It is an abbreviation / term used in Indonesia to name an independent power generation system, which is sourced raw material to generate electrical energy derived from sunlight.
I often find writing WP in connection with Solar Panels. What is a WP?
WP, stands for Watt-Peak, is a term that is commonly used in the world of solar energy. WP Watt describes the nominal amount of the highest that can be generated from a solar system. This is because as the energy from the sun that can change in one day. Which when depicted on a graph of the results of laboratory measurements of the size of its power strength per unit of time, it will look like a wave. There is a peak ( Peak) and there are valleys, based on data obtained from measurements within a specified period.
A solar-powered street lights light panels have 60wp power. This means how strong the sun at that time though, the maximum power that can be absorbed or energy output generated by the device only 60watt.
What Advantages of Solar Power Compared to Other Energy Sources?
* Renewable energy ( renewable energy) , does not require fuel again
* Clean, environmentally friendly
* Age solar panels long ( long term investment) : 20-25 years
* Practical. Easy and cheap in maintenance
* It is suitable for tropical regions like Indonesia.
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