|
Sky And Space Global
Sky and Space Global (UK) Ltd is a British public company planning a constellation of 200 nanosatellites in equatorial Low Earth orbit for narrowband communications that it expects will cost $160 million or less to complete in total. Satellites will feature inter-satellite links and the capability to autonomously monitor and manage satellite health and the in-orbit communications network. The company has branches in the United Kingdom, Israel and Australia. History After its incorporation in November 2015 Sky and Space Global (UK) Ltd performed a reverse merger with Burleson Energy Limited enabling a backdoor listing on the ASX and successfully completing an IPO worth $4.5 million on 31 May 2016. On 30 August 2016 Sky and Space Global signed a service contract with its first wholesale customer, Sat-Space Africa, covering the provision of bandwidth from the three demonstration satellites ("Three Diamonds") to be launched in May 2017. Sat-Space Africa forecasts revenues from usin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sky Global
Sky Global was a communications network and service provider founded in 2008 in Vancouver, Canada. A significant share of users of its systems were international crime organizations involved in drug trafficking, and the company management was suspected of collusion. In a series of police raids against criminal organizations in several countries in early 2021, a part of Sky's infrastructure in Western Europe was dismantled, and US Department of Justice issued an arrest warrant against the company's CEO Jean-François Eap. On March 19, 2021, the company apparently shut down the operations after BlackBerry, Inc. cut it off from its services. Its website has been seized by the FBI. Background Sky Global was founded in 2008 by Jean-François Eap, in Vancouver, Canada. A significant share of users of its systems were international crime organizations involved in drug trafficking, and the company management was suspected of collusion. The company provided Sky ECC, a subscription- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Globalsat Group
Global sat Group is a consortium of companies providing satellite communication services worldwide with headquarters located in the United States. History Globalsat Group was founded by J. Alberto Palacios in 1999. Palacios is also the active CEO of this multi-company entity. Awards, memberships and recognition * 2018 Top Land Mobility Sat com Innovation Award by the Mobile Satellite Users Association at Satellite 2018 * 2017 Latin America Satellite Communications Company of the Year by Frost and Sullivan * 2016 MSUA Company to Watch in the category Emergency Response Mobility Satcom Innovation * 2016 Latin America Satellite Communications Company of the Year by Frost and Sullivan * Member of the Mobile Satellite Users Association (MSUA) * Member of the Space & Satellite Professionals International (SSPI) * Inmarsat Enterprise T 1 Distribution Partner * Iridium VAR, PTT Service Provider, Certs Service Provider, Authorized Repair Center * Cobham Certified Partner ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
L Band
The L band is the Institute of Electrical and Electronics Engineers (IEEE) designation for the range of frequencies in the radio spectrum from 1 to 2 gigahertz (GHz). This is at the top end of the ultra high frequency (UHF) band, at the lower end of the microwave range. Applications Mobile service In Europe, the Electronic Communications Committee (ECC) of the European Conference of Postal and Telecommunications Administrations (CEPT) has harmonized part of the L band (1452–1492 MHz), allowing individual countries to adopt this spectrum for terrestrial mobile/fixed communications networks supplemental downlink (MFCN SDL). By means of carrier aggregation, an LTE-Advanced or UMTS/HSDPA base station could use this spectrum to provide additional bandwidth for communications from the base station to the mobile device; i.e., in the downlink direction. In the Americas, mobile services are operated between the 1.7 GHz to 2.1 GHz range in the PCS and AWS bands. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
S Band
The S band is a designation by the Institute of Electrical and Electronics Engineers (IEEE) for a part of the microwave band of the electromagnetic spectrum covering frequencies from 2 to 4 gigahertz (GHz). Thus it crosses the conventional boundary between the UHF and SHF bands at 3.0 GHz. The S band is used by airport surveillance radar for air traffic control, weather radar, surface ship radar, and some communications satellites, especially those used by NASA to communicate with the Space Shuttle and the International Space Station. The 10 cm radar short-band ranges roughly from 1.55 to 5.2 GHz. The S band also contains the 2.4–2.483 GHz ISM band, widely used for low power unlicensed microwave devices such as cordless phones, wireless headphones (Bluetooth), wireless networking (WiFi), garage door openers, keyless vehicle locks, baby monitors as well as for medical diathermy machines and microwave ovens (typically at 2.495 GHz). India's re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Orbital Launch Vehicle
A launch vehicle or carrier rocket is a rocket designed to carry a payload (spacecraft or satellites) from the Earth's surface to outer space. Most launch vehicles operate from a launch pads, supported by a launch control center and systems such as vehicle assembly and fueling. Launch vehicles are engineered with advanced aerodynamics and technologies, which contribute to large operating costs. An orbital launch vehicle must lift its payload at least to the boundary of space, approximately and accelerate it to a horizontal velocity of at least . Suborbital vehicles launch their payloads to lower velocity or are launched at elevation angles greater than horizontal. Practical orbital launch vehicles are multistage rockets which use chemical propellants such as solid fuel, liquid hydrogen, kerosene, liquid oxygen, or Hypergolic propellants. Launch vehicles are classified by their orbital payload capacity, ranging from small-, medium-, heavy- to super-heavy lift. Mass ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Smallsat
A small satellite, miniaturized satellite, or smallsat is a satellite of low mass and size, usually under . While all such satellites can be referred to as "small", different classifications are used to categorize them based on mass. Satellites can be built small to reduce the large economic cost of launch vehicles and the costs associated with construction. Miniature satellites, especially in large numbers, may be more useful than fewer, larger ones for some purposes – for example, gathering of scientific data and radio relay. Technical challenges in the construction of small satellites may include the lack of sufficient power storage or of room for a propulsion system. Rationales One rationale for miniaturizing satellites is to reduce the cost; heavier satellites require larger rockets with greater thrust that also have greater cost to finance. In contrast, smaller and lighter satellites require smaller and cheaper launch vehicles and can sometimes be launched in multipl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carrier Aircraft
Carrier-based aircraft, sometimes known as carrier-capable aircraft or carrier-borne aircraft, are naval aircraft designed for operations from aircraft carriers. They must be able to launch in a short distance and be sturdy enough to withstand the abrupt forces of launching from and recovering on a pitching deck. In addition, their wings are generally able to fold up, easing operations in tight quarters. Such aircraft are designed for many purposes including air-to-air combat, surface attack, anti-submarine warfare (ASW), search and rescue (SAR), transport (COD), weather observation, reconnaissance and airborne early warning and control (AEW&C) duties.Fred T Jane (2005). ''Jane's All the World's Aircraft''. Jane's Information Group. The term is generally applied only to fixed-wing aircraft, as naval helicopters are able to operate from a wider variety of ships, including helicopter carriers, destroyers, frigates and container ships. History The 1903 advent of fixed-wing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cosmic Girl (airplane)
''Cosmic Girl'' is a Boeing 747-400 aircraft. A former passenger airliner operated by Virgin Atlantic, it was purchased by Virgin Galactic in 2015 to be used as the first stage launch platform (or mothership launch pad) for the air launch stage of the smallsat orbital launch vehicle, the LauncherOne. In 2017, the aircraft was transferred to the orbital launch subsidiary, Virgin Orbit, and its livery updated to ''Virgin Orbit'' livery. LauncherOne attempted its first launch on 25 May 2020; the launch was a failure. The first successful launch (second launch in total) took place on 17 January 2021. Airliner ''Cosmic Girl'' was assembled in 2001 at the Boeing Everett Factory. It was configured as a 44/32/310 B747-41R, c/n. 32745. The aircraft's first flight was on 29 September 2001, and it was delivered to Virgin Atlantic on 31 October 2001, where it was registered as G-VWOW. On 3 November 2005, the aircraft was landing at Runway 27R at Heathrow Airport when a crosswind caused it t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Near-equatorial Orbit
A near-equatorial orbit is an orbit that lies close to the equatorial plane of the object orbited. Such an orbit has an inclination near 0°. On Earth, such orbits lie on the celestial equator, the great circle of the imaginary celestial sphere on the same plane as the equator of Earth. A geostationary orbit is a particular type of equatorial orbit, one which is geosynchronous. A satellite in a geostationary orbit appears stationary, always at the same point in the sky, to observers on the surface of the Earth. Equatorial orbits can be advantageous for several reasons. For launches of human technology to space, sites near the Equator, such as the Guiana Space Centre in Kourou, French Guiana, or Alcantara Launch Centre in Brazil, can be good locations for spaceports as they provide some additional orbital speed to the launch vehicle by imparting the rotational speed of the Earth, 460 m/s, to the spacecraft at launch. The added velocity reduces the fuel needed to launch spacecraft t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Inclined Orbit
A satellite is said to occupy an inclined orbit around Earth if the orbit exhibits an angle other than 0° to the equatorial plane. This angle is called the orbit's inclination. A planet is said to have an inclined orbit around the Sun if it has an angle other than 0° to the ecliptic plane. Types of inclined orbits Geosynchronous orbits A geosynchronous orbit is an inclined orbit with an altitude of that completes one revolution every sidereal day tracing out a small figure-eight shape in the sky. A geostationary orbit is a special case of geosynchronous orbit with no inclination, and therefore no apparent movement across the sky from a fixed observation point on the Earth's surface. Due to their inherent instability, geostationary orbits will eventually become inclined if they are not corrected using thrusters. At the end of the satellite's lifetime, when fuel approaches depletion, satellite operators may decide to omit these expensive manoeuvres to correct inclination a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Polar Satellite Launch Vehicle
The Polar Satellite Launch Vehicle (PSLV) is an expendable medium-lift launch vehicle designed and operated by the Indian Space Research Organisation (ISRO). It was developed to allow India to launch its Indian Remote Sensing (IRS) satellites into sun-synchronous orbits, a service that was, until the advent of the PSLV in 1993, only commercially available from Russia. PSLV can also launch small size satellites into Geostationary Transfer Orbit (GTO). Some notable payloads launched by PSLV include India's first lunar probe Chandrayaan-1, India's first interplanetary mission, Mars Orbiter Mission (Mangalyaan) and India's first space observatory, Astrosat. PSLV has gained credibility as a leading provider of rideshare services for small satellites, owing to its numerous multi-satellite deployment campaigns with auxiliary payloads, usually ride-sharing along with an Indian primary payload. As of June 2022, PSLV has launched 345 foreign satellites from 36 countries. Most notable ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Indian Space Research Organisation
The Indian Space Research Organisation (ISRO; ) is the national space agency of India, headquartered in Bengaluru. It operates under the Department of Space (DOS) which is directly overseen by the Prime Minister of India, while the Chairman of ISRO acts as the executive of DOS as well. ISRO is India's primary agency for performing tasks related to space-based applications, space exploration and the development of related technologies. It is one of six government space agencies in the world which possess full launch capabilities, deploy cryogenic engines, launch extraterrestrial missions and operate large fleets of artificial satellites. The Indian National Committee for Space Research (INCOSPAR) was established by Jawaharlal Nehru under the Department of Atomic Energy (DAE) in 1962, on the urging of scientist Vikram Sarabhai, recognising the need in space research. INCOSPAR grew and became ISRO in 1969, within DAE. In 1972, the government of India set up a Space Commissi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
.jpg "Click for more on -> S Band"){kind=tracking}
_(cropped).jpg "Click for more on -> Cosmic Girl (airplane)")
