PDF Overview of Satellite Communications - George Mason University WGS 6 (USA 244) - Orbit - Heavens-Above The number of spacecraft shown below has been reduced to, Location: The WGS satellite delivers 19 independent coverage areas divided in eight steerable/shapeable X-Band beams delivered by separate transmit and receive arrays, ten steerable Ka-Band beams provided by ten independently steerable dish antennas and one X-Band Earth Coverage beam. The WGS-4 was launched atop the same vehicle and at the same location in January 2012 and was accepted by the US Air Force in April 2012. The space segment refers to satellites in orbit; WGS-1 was launched into orbit on 10 October 2007 on the United Launch Alliance (ULA) Atlas V launch vehicle. [15], WGS-8 (USA-272) was successfully launched by a Delta IV Medium+ (5,4) launch vehicle on 7 December 2016 at 23:52 UTC from SLC-37B at Cape Canaveral Air Force Station in Florida. The Block II contract calls for the launch of F4 by the first quarter of 2011 and subsequent launches every year thereafter. WGS8 was awarded in December 2011. Late Feb. 16, the service released the draft RFP and announced it would be hosting an industry day event Feb., The Space Force made resiliency its No. XIPS, the Xenon Ion Propulsion System, has flown on numerous spacecraft and is ten times more efficient than the conventional chemical propulsion systems, the only disadvantage being the low thrust that can be achieved with the system leading to a longer time frame needed between launch and Beginning of Service. The WGS satellites will complement the DSCS III Service Life Enhancement Program (SLEP) and GBS payloads and will offset the eventual decline in DSCS III capability. WGS-4 (USA-233), the first satellite of the Block II, was launched by United Launch Alliance (ULA) from SLC-37B at the Cape Canaveral Air Force Station (CCAFS) by a Delta IV M+ (5,4) on 20 January 2012, at 00:38:00 UTC. The WGS constellation represents the primary communications system for the Department of Defence operated alongside the specialized AEHF operated by the Air Force and the Navys MUOS mobile communications system. The Wideband Global SATCOM-8 (WGS-8) Satellite was successfully launched December 7, 2016, aboard the Delta IV launch vehicle from Cape Canaveral Air Force Station's SLC-37B pad. These characteristics provide a quantum leap in communications capacity, connectivity and flexibility for U.S. military forces and international partners while seamlessly integrating with current and future X- and Ka-band terminals. The Wideband Global SATCOM (WGS)-11+ program completed its first ever, all-virtual Preliminary Design Review (PDR) culminating in the successful conclusion of the review on July 1 after an eight-month long campaign. Tacticalforces rely on WGS to provide high-capacity connectivity betweenindividual users and the Defense Information Systems Network (DISN). Seventh satellite in Air Force's WGS series launched The Wideband Gapfiller Satellite System is limited to the Gapfiller satellites and associated control equipment and software that augment currently existing facilities. Payload commanding and network control are managed by the armys 53rd Signal Battalion at Peterson AFB, Colorado, with subordinate elements at seven locations. Regulation Part 12 rules for commercial item acquisition. With an initial launch scheduled for mid-2004 aboard an Air Force Evolved Expendable Launch Vehicle, WGS will provide early transformational capabilities supporting government objectives for a Transformational Communications Architecture in 2009 and beyond. The TT&C system is a technology primarily used to locate and control the satellite from deviating its orbit. These satellites have a much smaller coverage fraction f than does GPS, typically limited by a sensor's field of view. PDF Earth Coverage by Satellites in Circular Orbit - Naval Postgraduate School One major upgrade provided by WGS is X-Ka-Band inter-connectivity delivered by a digital channelizer which divides the uplink bandwidth into independently routable 2.6MHz subchannels which can be converted from Ka-to-X-Band and vice versa. US DOD developing anti-jam technologies for WGS Satellites to counter Home Ways to Watch Satellite Coverage Map Printable Map Daystar Television is available in over 100 million homes in the United States and 680 million homes around the world. The satellite was carried by an Atlas V 421 launch vehicle lifting off from SLC-41 at Cape Canaveral Air Force Station (CCAFS). Coverage Maps. RURAL CONNECTIVITY: Federal Funding Promises Widespread Broadband Coverage The Delta IV's Delta Cryogenic Second Stage deployed the satellite as planned on 8 December 2016, at 00:35 UTC. Required power varies between 1,300 and 4,500 Watts achieving a thrust of up to 165 Millinewtons and a specific impulse of 3,500 seconds. WGS-1 with its 2.4 Gbit/s wideband capacity, provided greater capability and bandwidth than all the DSCS satellites combined.[6]. Launch of these satellites was completed in Fiscal Year 2000. Find a coordinate system and get position on a map. World Geodetic System (WGS84) By: GISGeography Last Updated: May 28, 2022 WGS84 is standard for GPS The Global Positioning System uses the World Geodetic System (WGS84) as its reference coordinate system. The first three WGS satellites are known as the Block I Group of Satellites that were part of the initial deal with Boeing signed in January 2002. WGS 1, 2, 3 (WGS Block 1) - Gunter's Space Page The Block II satellites are similar to the three Block I satellites already in production. The method of ion acceleration varies between the use of Coulomb and Lorentz force, but all designs take advantage of the charge/mass ratio of the ions to create very high velocities with very small potential differences which leads to a reduction of reaction mass that is required but also increases the amount of specific power compared to chemical propulsion. [16][17], WGS-9 (USA-275) was launched on 19 March 2017, at 00:18:00 UTC. This includes eight steerable/shapeable X-band beams formed by separate transmit and receive phased arrays; 10 steerable Ka-band beams served by independently steerable, diplexed gimbaled dish antennas, including three with selectable polarization; and one X-band Earth coverage beam. These satellites are called WGS Block-2 Follow-On. Delta 4 assigned to deliver military satellite into orbit Two of the four thrusters are used as primary units at any given time and stationkeeping in Geostationary Orbit will require four burns for a total of about 30 minutes per day to maintain the satellite within a 0.01 degree stationkeeping zone which allows many satellites to be collocated in a single orbital slot. An artists conception of the WGS 11+ satellite. Wideband Global SATCOM Satellite (WGS) is the backbone of the U.S. militarys Wideband satellite communications capability. A total of 19 independent coverage areas that can be used throughout the field of view of each satellite. We deliver secure, resilient connectivity services and solutions to our military and allies that give them the information dominance they need to bring warfighters home safe. Users include the Australian Defence Force and U.S. Army ground mobile terminals, U.S. Navy ships and submarines, national command authorities for the nuclear forces, and various national security/allied national forces. This enables increased mission flexibility and . The ground segment is a critical part of the end-to-end science data return, and it includes all the ground-based elements that are used to collect and disseminate information from the satellite to the user (figure 11.1). [7] Once in their orbits at an altitude of 35,900km (22,300mi), each will weigh approximately 3,400kg (7,500lb). Effects of inclination A satellite's inclination (I) is the angle between Earth's equatorial plane and the plane that contains the satellite's orbit. Live Starlink Satellite and Coverage Map Looking for online definition of WGS or what WGS stands for? In March 2007 the acronym WGS was changed to Wideband Global Satcom. The final contract for this satellite was awarded in September 2011, together with long lead items for WGS8 and an option for WGS9. launches following at approximately six-month intervals. Satellite Coverage Maps . It is positioned over the Eastern Atlantic at an orbital slot of 12> West longitude to operate in the Atlantic region. Astronauts in Space List of satellites Photos Height of ISS Lunar phase NASA RSS Virtual tour of the station Map settings. Satellite Coverage Maps - OmniSTAR Based on the Boeing BSS-702 bus, the satellite will have a dry mass of more than 3,000kg and will produce more than 11kilowatts of power at the end of its 14-year design life. (Current as of Feb 2023), An official website of the United States government, Hosted by Defense Media Activity - WEB.mil. The WGS system provides essential wideband global communicationsservices allowing Combatant Commanders to exert command and controlof their tactical forces, from peace time to military operations. The SATCOM Office provide SATCOM SystemExpert (SSE) support and functions to USSPACECOM and utilizes fourRegional SATCOM Support Centers (RSSCs) to provide global planning andoperational support to the various WGS user communities . The WGS-1 satellite operates over the Pacific region. Phase II is the GBS capability hosted on the last three UHF Follow-On (UFO) communications satellites. Try reducing the number of spacecraft selected if the map is slow to respond. Mission The Air Force Space Command estimates each satellite will cost approximately US$300 million. Follow WGS 6 (USA 244) live! Night mode. WGS . GMT, Light The WGS-1 satellite operates over the Pacific region. Fiscal 2018 procurement funds in the amount of $300,000,000 are being obligated at the time of award. Installation of satellite TV; Satellite News; TV of the world; Contacts; Search. WGS-11+ - Wikipedia It gives the CONUS coverage to U.S. Northern Command, Southern Command . The program has been delayed to a first launch in 2007. Additionally, the Satellite Control Network will also use the WGS in a similar manner as the DSCS III constellation is used to route ATM packets through the Defense Information Systems Agency (DISA) "cloud" to establish command and control streams with various satellite constellations. The first launch of WGS-1 was conducted by United Launch Alliance (ULA) on 11 October 2007, at 00:22 UTC. The two deployable solar arrays each have five wings that are covered with ultra triple-junction gallium-arsenide solar cells which deliver an end-of-life power of at least 11 Kilowatts. KVH - New Zealand Coverage: Optus D1 - 160E In early 2001, a satellite communications industry team led by Boeing Satellite Systems was selected to develop the Wideband Gapfiller Satellite (WGS) system as successors to the DSCS-3 series of communications satellites. The new satellite was procured under the WGS Block II Follow-On contract which included options for production of up to six WGS satellites. (PDF) Ground Mobile WGS Satcom for Disadvantaged Terminals - ResearchGate The constellation of WGS satellites increases the communications capabilities of the militaries of the United States, Canada, and Australia by providing additional bandwidth and communications capabilities for tactical command and control, communications, and computers; intelligence, surveillance, and reconnaissance (C4ISR); battle management; and combat support information. Website designed by The Jabiru-1 satellite will deliver high-powered Ka-band coverage over the Middle East, Asia and Africa. A coverage footprint of 200-400 miles . At the time the program passed its preliminary design review in October 2020, contractor Boeing said delivery was on track for 2024. In its newest announcement, Space Systems Command said the program maintains an aggressive five-year schedule poised to deliver six months faster than legacy WGS satellites., The Defense Department started placing WGS satellites in orbit in 2007. funding by $272.9M to ensure funding of the complete constellation of three satellites. 0.13W In June 2012, Boeing was selected to upgrade the wideband digital channeliser that offers 90% improvement for satellites WGS-8 and beyond. The WGS payload. 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WGS 10 (USA 291) Satellite details 2019-014A NORAD 44071 - N2YO.com The Program Office plan for WGS satellite launch is to integrate them on both Delta and Atlas Evolved Expendable Launch Vehicles (EELVs). March 18, 2017 The Army relies on Ka and Ku band satellite communications (SATCOM) for beyond line of sight (BLOS) communications between Division, Brigade, Battalion, and Company echelons. Features The WGS system is a constellation of highly capable military communications satellites that leverage cost-effective methods and technological advances in the communications satellite industry. Timezone: 51.51N 3 hours 6 hours 12 hours 24 hours. Each standard WGS satellite offers 4.875 GHz of instantaneous switchable bandwidth corresponding to a capacity of 2.1 to 3.6 Gbps depending on the ground terminals, data rates and modulation profiles that are employed. The next satellite in the Air Force's Wideband Global SATCOM family of satellites will be able to deliver twice the capability of the entire constellation to war fighters thanks to commercial technology. After the launch, the military designated the WGS-1 as USA-195, which entered service in April 2008. WGS-5 and 6 were launched in 2013 followed by WGS 7 in 2015. The original RD-4 was developed as an attitude control thruster for the Apollo Service and Lunar Lander modules. The Worldwide Reference System (WRS) is a global notation system for Landsat data. The WGS consists of two segments. A more capable iteration of the Space Forces Wideband Global Satellite Communications satellites, WGS-11+, can start production since passing a critical design review. Just one WGS satellite has the same capacity as the whole DSCS system combined! Satbeams has updated its cookie policy. Dec. 5, 2009 Work will be performed in El Segundo, California, and is expected to be complete by Nov. 20, 2023. here. Jan. 19, 2012 Hoping to prod a debate on the Space Force's future, Chief of Space Operations Gen. B. WGS-2 is operated by third SOPS at 50th Space Wing, Schriever AFB, under the operational command of the Joint Functional Component Command (JFCC) SPACE at Vandenberg AFB, California. The WGS system is composed of three principal segments: the Space Segment (satellites), the Control Segment (operators), and the Terminal Segment (users). It was followed by the launch of the WGS-5 in May 2013 and that of the WGS-6 in August 2013. The WGS satellites were built on a Boeing 702 spacecraft with 13kW of power and flexible coverage areas. The WGS satellites supply communications such as maps and data to soldiers on the battlefield, relay video from unmanned aerial reconnaissance drones, route voice calls and data messaging, and. Step 2. WGS-11+ is expected to include an advanced digital payload and operational capabilities that improve on those of its predecessors. Sustainable aviation fuel (SAF): the future fuel of aircraft? Latitude: HOME / SATELLITES / Satellite Coverage Maps . In addition to providing improvements in X-band capability, WGS satellites also have a new Ka band capability that can be used for both two-way and Global Broadcast Service communications. WGS - Transformational Wideband Communication Capabilities for the Warfighter, US Air Force (USAF) US Space Force (USSF), Cross-band (X-band, Global Broadcast, 2-way Ka-band) payload. WGS - Wideband Global Satcom - Spacecraft & Satellites - Spaceflight101 SPOT Satellite Coverage Map | Saved by SPOT | US - findmespot.com The breakage of uplink bandwidth into approximately 1,900 independently routable 2.6MHz subchannels by a digital channeliser has increased the connectivity between uplink and downlink coverage areas. . With advanced phased-array design and anti-jam technology, Boeing satellites grant the warfighter and government decision-makers unconstrained access and connectivity in a contested environment. WGS is based on Boeings BSS-702HP satellite platform, the high-power configuration of the 702 bus that can support the most powerful communications payloads with state of the art onboard systems including precise pointing capability and the use of flight-proven components and built-in redundancy to ensure the satellite meets its in-orbit lifetime of 15 years. Each individual beam is shapeable and can be uniquely tailored to each situation. Connectivity: The enhanced connectivity capabilities of WGS enable any user talk to any other user with very efficient use of satellite bandwidth. Dec. 7, 2016 Enabled by a constellation of low Earth orbit satellites, Starlink will provide fast, reliable internet to populations with little or no connectivity, including those in rural communities and places where existing services are too expensive or unreliable. Hover over the logos to learn more about the companies who made this project possible. After launch, the WGS-1 satellite was given the U.S. military designation USA-195. Google Maps Satellite - GPS coordinates It uses phased array, shaped beam, steerable spotbeams to provide coverage to support coalition forces anywhere on the globe. Both satellites were launched from Space Launch Complex 41 of Cape Canaveral Air Force Base (AFB), Florida, US. WGS combines a chemical propulsion system in use for the initial climb to Geostationary Orbit with an electrical propulsion system to fulfill stationkeeping tasks and extend the satellites lifetime beyond that of pure liquid-fueled spacecraft. WGS provides essential communications services, allowing Combatant Commanders to exert command and control of their tactical forces, from peace time to military operations. The very first Wideband Gapfiller in orbit will provide greater capability and bandwidth than all the DSCS satellites combined. Ion thrusters generate thrust by accelerating ions through the use of an electric field and ejecting these ions at extremely high velocity creating thrust force propelling the spacecraft forward. WGS1 parameters have been measured for the Narrow Coverage Antenna (NCA) and Area Coverage Antenna (ACA) beams. It's like going from dial-up . The WGS constellation provides broadband communications for the U.S. military and allies. Mapping provided by https://hilltopviews.org.uk. Southwest Asia Coverage: NSS11 - 108E Southeast Asia Coverage: Palapa D - 113E Southeast Asia Coverage: JCSAT 4B - 124E Thailand Coverage: Thaicom 5 - 78.5E Europe & Middle East Latin & South America North America Tri-Americas New Zealand Coverage: Optus D1 - 160E Satellite TV Services in this region include: Sky TV: www.skytv.co.nz WGS system provides 4.875GHz instantaneous switchable bandwidth. The US Air Force subsequently exercised its option for two more satellites, WGS-8 and WGS-9, under a $673m contract in January 2012. 17-05-2019 17:24:28 ZULU. The availability of the launch vehicle and an aggressive integration schedule, less than the normal 24 months, are sources of schedule risk. WGS-11 is to be completed by Boeing by 2024 under a US$605 million contract.[20][21]. The Defense Department started placing WGS satellites in orbit in 2007. It consists of a reference ellipsoid, a standard coordinate system, altitude data, and a geoid. Coverage: The WGS design includes 19 independent coverage areas that can be used throughout the field of view of each satellite to serve warfighters between 65 North and South latitude. GPS: The Global Positioning System The Option for WGS4 and 5 was exercised in November 2006. July 23, 2015 The satellite operators in charge of commanding and monitoring the satellite's bus and payload systems as well as managing the network operating over the satellite are the control segment. Our privacy policy is WGS systems enhance the DoDs communication services provided by the defence satellite communications system (DSCS) satellites and the global broadcast system (GBS) operating at an ultra-high frequency (UHF). Typically, 702HP is equipped with a 490-Newton bipropellant apogee motor for the climb into Geostationary Orbit. [9], The launch of the second satellite, WGS-2 (USA-204), was also conducted by ULA, on 4 April 2009 at 01:31:00 UTC, using an Atlas V 421 launch vehicle. The engine is 0.55 meters long and 0.28 meters in diameter with an unfueled mass of 3.63 kilograms. Boeing successfully launched the WGS-2 into geostationary orbit on the Atlas V in April 2009. WGS is designed to enhance and augment heritage communications from the DSCS-3 satellites, delivering Super High Frequency (SHF) wideband communications, and Ka-band Global Broadcast Service (GBS). US Army posts WGS Ka-Band Satellite RFI However, the sensitivity and breadth of coverage of clinical WGS as a diagnostic test for genetic disorders has not been fully evaluated. WGS combines unique commercial spacecraft capabilities that Boeing has developed, including phased array antennas and digital signal processing technology, into a powerful, flexible architecture. @media only screen and (min-device-width : 320px) and (max-device-width : 480px) { Originally five satellites were planned. The b parameter is often rounded to . Oct. 10, 2007 EN . Satellite Coverage Maps Satellite Frequencies The following graphs show the coverage of each individual satellite. The U.S. Air Force Space and Missile Systems Center is harnessing advanced satellite communication technology from the private sector through the Wideband Global SATCOM (WGS) 11+ platform and its Pathfinder effort.The WGS-11+ effort is centered on capabilities that will provide more coverage beams, beam-formed bandwidth and frequency re-use than existing legacy systems, according to a release . WGS-2, 60.0 East, WGS-2 satellite RU . The models are differentiated depending on the specific payload size and weight ranges. The DoD wideband satellite communications system consists of multiple types of military satellites, control facilities, and user terminals that comprise three distinct segments: (1) the User Terminal Segment, (2) the Space Segment, which consist of three Gapfiller Satellites in geo-synchronous orbit, each providing a two way X-band, a new two way military Ka-band, and broadcast Ka-band services, and (3) the Control Segment. The Global Broadcast Service space segment was implemented in three phases. Aug. 7, 2013 The U.S. Space Forces Space and Space Systems Command (SSC) isresponsible for development, acquisition, fielding, and sustainment ofthe WGS Program. Calculators & Maps Tools to help you ensure that your satellite dishes have a clear line of sight to orbiting satellites, and how strong a signal you can expect in your region. Step 1. The WGS-1 was launched into orbit on 10 October 2007 on the United Launch Alliance (ULA) Atlas V launch vehicle. The terminal segment refers to the users of the communication services provided by the WGS system. The push to create a new Space National Guard got a major boost last week as a bipartisan team of Senators offered new legislationeven as the Pentagon works to craft details on a competing plan. Boeing is Building Wideband Global SATCOM (WGS)-11 - MediaRoom Animation Speed. Credit: Boeing. The groundsegment is comprised ofthousands of tactical SATCOMfixed, transportable, groundmobile, air mobile and ship basedSATCOM terminals withantenna diameters rangingfrom .4 meters to 18.4 meters The exercise was intended to demonstrate that the U.S. can rapidly deploy massive firepower to the region even as it shifts its focus away, Senior U.S. military space and intelligence leaders drove home a clear and consistent message at a gathering of space industry and government officials Jan. 24: The Department of the Air Force and the intelligence community must move from a bloated, complicated acquisition process to one in which space systems can, The U.S. and Israel kicked off a massive combined weeklong military exercise Jan. 23, the largest since Israel was moved to U.S. Central Commands area of responsibility in 2021. The satellite was launched by a Delta IV M+ (5,4) launch vehicle, originally an Atlas V 421 but replaced with WGS-2. In return, the Australian Defence Ministry was given access to the data sent by the sixth satellite, which was developed to increase the bandwidth capacity of US forces.
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