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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 satellite operates in the Indian Ocean region and provides high-capacity communication links to US troops in . The U.S. Department of Defence selected Boeing Space Systems in 2001 for the WGS satellites as a replacement for the Defense Satellite Communications System 3 in operation from the 1980s into the 2000s. The primary contractor for the satellites themselves is Boeing Satellite Development Center, which is building them around the Boeing 702HP satellite bus. Each WGS satellite provides service in both the X and Ka frequency bands, with the unprecedented ability to cross-band between the two frequencies onboard the satellite. 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. Satellite Dish Pointer with Google Maps. Subsequently, the Wideband Global SATCOM Satellite (WGS) is the backbone of the U.S. military's Wideband satellite communications capability. May 23, 2013 Both the X- and Ka-bands are interconnected through a digital channeliser and provide better connectivity in WGS. Phase III is an Objective capability planned as part of the Advanced Wideband System (AWS) I FY 2009-Plus. A more capable iteration of the Space Forces Wideband Global Satellite Communications satellites, WGS-11+, can start production since passing a critical design review. The WGS-2 satellite, which was designated as USA-204, entered service in August 2009. The number of spacecraft shown below has been reduced to, Location: 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. . It provides services to the US Department of Defense and the Ministry of Defense for Canada as well as other Government and Allied users under unstressed conditions. Payload commanding and network control are managed by the army's 53rd Signal Battalion at Peterson AFB, Colorado, with subordinate elements at seven locations. Name Pos. A total of 19 independent coverage areas that can be used throughout the field of view of each satellite. One of the NATO systems using satellite communications from NSS6G is the Alliance Ground Surveillance (AGS) system. The second satellite, WGS-2 was launched into geostationary orbit on the Atlas V in April 2009. Regulation Part 12 rules for commercial item acquisition. In March 2007 the acronym WGS was changed to Wideband Global Satcom. 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. Typically, 702HP is equipped with a 490-Newton bipropellant apogee motor for the climb into Geostationary Orbit. It provides steerable spotbeams that can reach any position within the satellites field of view between 65 degrees north and south latitude. Air Force Space Command's vision in the mid-to-late WGS timeframe (2015 - 2020) is to leverage the validated wideband product lines such as FAB-T, GMT, and Army WIN-T to support GBS product reception (one-way) and when prioritized and funded, provide reach-back (two-way) of GBS services. Get your daily fix of Air Force news delivered right to your inbox every day. Satellite coverage spans great distances A satellite can directly connect points separated by 1000's of miles A satellite can broadcast to 1000's of . 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. The Program Office plan for WGS satellite launch is to integrate them on both Delta and Atlas Evolved Expendable Launch Vehicles (EELVs). Map denotes coverage for satellite two-way voice and duplex data only. Website designed by Once the full constellation of 6 WGS satellites is operational, they will replace the DSCS system. WGS-7, a "Block-II Follow On" was launched on July 23, 2015", "Delta 4 assigned to deliver military satellite into orbit", "Atlas 5 rocket successfully launches military satellite", "Airmen help launch satellite into orbit", "ULA Delta IV successfully lofts WGS-5 satellite", "United Launch Alliance Successfully Launches Second Wideband Global SATCOM Mission for U.S. Air Force in Less Than Three Months", "Seventh satellite in Air Force's WGS series launched", "US Air Force Launches Advanced Military Communications Satellite", "Wideband Global SATCOM and its Integration into the Royal Canadian Navy", Sean Kimmons, Army News Service (18 March 2019) Satellite launch enhances comms for Army missions, "Boeing receives US$605 million Air Force contract for WGS-11 communications satellite", https://en.wikipedia.org/w/index.php?title=Wideband_Global_SATCOM&oldid=1123565018, Proposed telecommunications infrastructure, Military space program of the United States, Equipment of the United States Space Force, Military equipment introduced in the 2000s, All Wikipedia articles written in American English, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 24 November 2022, at 12:01. WGS1 parameters have been measured for the Narrow Coverage Antenna (NCA) and Area Coverage Antenna (ACA) beams. If you continue to use this site we will assume that you are happy with it. Giles T., Peake M. and Rice M., "Pilot Symbol Distributions for Satellite Burst Waveforms", Proceedings of the AIAA International Communications Satellite Systems Conference ICSSC-2005, Rome . The WGS provide near-term continuation and augmentation of the services currently provided by the Defense Satellite Communications System (DSCS) and the Global Broadcast Service (GBS) Ka services currently provided by GBS payloads on UFO satellites. The latitude and longitude are assumed to be on the WGS 84 datum. The result has been today's limited number of large satellites of ever-increasing complexity. The first three WGS satellites form Block I of the space segment. Dec. 7, 2016 17-05-2019 17:24:28 ZULU. The WGS system is composed of three principal segments: Space Segment (satellites), Control Segment (operators) and Terminal Segment (users). . The Australian Government provided A$927m ($822.7m) in funding for ground infrastructure of the sixth WGS satellite under a memorandum of understanding (MoU) signed with the DoD in 2007. The 2001 Defense Appropriations Act, signed on August 9, 2000, limited funding to two satellites. The block II satellites meet the bandwidth requirements of war-fighters, thereby providing information exchange, enabling execution of tactical command and control, communications and computers, intelligence, surveillance, reconnaissance (C4ISR), battle management and combat support information. WGS users include the military, the White House Communications Agency, the State Department, and international entities in Australia, Canada, Denmark, Luxembourg, New Zealand, the Netherlands, the Czech Republic, and Norway. This enables increased mission flexibility and . @media only screen and (min-device-width : 320px) and (max-device-width : 480px) { 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. Capacity: WGS will offer 4.875GHz of instantaneous switchable bandwidth. 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. Payload commanding and network control is handled by the Army 53rd Signal Battalion headquartered at nearby Peterson Space Force Base, Colorado with subordinate elements A Company at Fort Detrick, Maryland, B Company at Fort Meade, Maryland, C Company at Landstuhl, Germany, D Company at Wahiawa, Hawaii, and E Company at Fort Buckner, Okinawa, Japan. WGS-2, 60.0 East, WGS-2 satellite RU . Boeing will build the WGS-11+ satellite at its facility in El Segundo, California, US. The narrower spot beams on WGS-11+ are designed to deliver a stronger, more reliable connection, said vice president of Boeing Government Satellite Systems Troy Dawson in the Boeing release. click here. Powered by EPSG database 10.076 WGS 8, launched in 2016, marks the first in the Modified Block II satellites, hosting an upgraded digital channelizer which enables a 90% improvement in available bandwidth compared to previous WGS spacecraft. Although ion thrusters deliver a very low thrust, they are extremely efficient and consume only a very small amount of propellant. The system provides tremendous operational flexibility and delivers the needed capacity, coverage, connectivity and control in support of demanding operational scenarios. WGS systems comprise three main segments, which are space, terminal and control. 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 remaining coverage area is an X-Band Earth Coverage beam. Hoping to prod a debate on the Space Force's future, Chief of Space Operations Gen. B. "[4] WGS operations are currently run by the 4th Space Operations Squadron, out of Schriever Space Force Base, as well as the 53rd Space Operations Squadron. The Wideband Gapfiller Satellite System is limited to the Gapfiller satellites and associated control equipment and software that augment currently existing facilities. WGS-11+ is expected to include advanced digital payload and operational capabilities that improve on those of its predecessors. Operation and usage of the system is broken into 3 segments. 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. There's no more reliable source for news about your Air Force. 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. Fast Smooth. U.S. Space Force Wideband Global SATCOM launch patches, "Australia Gets Access to Wideband Global SATCOM System", "Environmental Assessment - U.S. Air Force Wideband Gapfiller Satellite Program", "Pre-launch ops keep crews busy at the Cape", "Canada's Participation in the Wideband Global Satellite Communications System", "Boeing Awarded Follow-on Contract for Seventh WGS Satellite. Two-way Ka- (1GHz) and X-Band (500MHz) communications are supported by the Spacecraft which also provides a capability to convert signals from one to the other with its onboard systems. WGS provides two-way X-band and Ka-band communications as well as Ka-band broadcast services to US Armed Forces and other agencies worldwide. 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. 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. Just one WGS satellite provides more SATCOM capacity than the entire legacy Defense Satellite Communications System (DSCS) constellation. The R-4D main engine employed by WGS is Monomethylhydrazine/Nitrogen Tetroxide Engine that provides 490 Newtons of thrust. WGS-3 (USA-211) was launched on 6 December 2009, at 01:47:00 UTC, covers the Atlantic Ocean. GMT, Light 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. General Characteristics The Wideband Global SATCOM system (WGS) is a high capacity United States Space Force satellite communications system planned for use in partnership by the United States Department of Defense (DoD), Canadian Department of National Defence (DND) and the Australian Department of Defence. The Delta IV's Delta Cryogenic Second Stage deployed the satellite as planned on 8 December 2016, at 00:35 UTC. WGS6 was ordered in 2007 by Australia, which will get access to the WGS system in return. The US Air Force subsequently exercised its option for two more satellites, WGS-8 and WGS-9, under a $673m contract in January 2012. The contract was worth $160.3m and was extendible up to $1.3bn. The TT&C system is a technology primarily used to locate and control the satellite from deviating its orbit. The Air Force is acquiring the satellite segment under the Federal Acquisition December 22, 2016. March 18, 2017 Operation and usage of the WGS System is divided into three segments the Space Segment with the Satellites, the Control Segment which operates the satellites, and the Terminal Segment which corresponds to user terminals on the ground. This paper describes the. The Gapfiller satellites must either be backward compatible with, or allow for the affordable upgrade of, the existing terminal populations in use with the DSCS and GBS systems. An artists illustration of the Wideband Global Satellite Communications satellite WGS-11+. [16][17], WGS-9 (USA-275) was launched on 19 March 2017, at 00:18:00 UTC. These characteristics provide a quantum leap in communications capacity, connectivity and flexibility for U.S. military forces and. Tactical forces rely on WGS to provide high-capacity connectivity to the Defense Information Systems Network (DISN). WGS was developed to replace the legacy 14-satellite US Defense Satellite Communications System (DSCS) constellation, launched from 1982 to 2003. In December 2019, Boeing announced that it had developed WGS-11, a new variant of its commercial 702 satellite, which can offer greater bandwidth efficiency and signal power than the previous satellites. Space and Missile Systems Center, Los Angeles Air Force Base, California, is the contracting activity. The new satellite was procured under the WGS Block II Follow-On contract which included options for production of up to six WGS satellites. Mapping provided by https://hilltopviews.org.uk. The combined wideband satellite communications system consists of space vehicles of multiple types, control terminals and facilities, and user terminals. The program intends to use both the Delta IV and the Atlas V as launch vehicles. Tacticalforces rely on WGS to provide high-capacity connectivity betweenindividual users and the Defense Information Systems Network (DISN). To take advantage of WGS' increased capabilities, STAR-T was upgraded by adding a fourth band (Ka), making it a quad-band terminal. 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Each WGS system also has the capacity to supply data transmission rates ten times faster than the DSCS service life enhancement programme (SLEP) satellites. A coverage footprint of 200-400 miles diameter; coverage may require a constellation approach; [12], WGS-5 (USA-243) was successfully launched by a Delta IV launch vehicle flying in the Medium+ (5,4) configuration, with lift-off taking place from SLC-37B in Florida on 25 May 2013, at 00:27 UTC. Background WGS 6 (USA 244) - Orbit. Each individual beam is shapeable and can be uniquely tailored to each situation. The new Wideband Gapfiller satellites complement the DSCS III Service Life Enhancement Program (SLEP) and GBS payloads, and offset the eventual decline in DSCS III capability. It carries Ka-band and X-band transponders with 8.088 gigahertz of bandwidth - offering downlink speeds of up to 11 gigabits per second . Based on Boeing's advances on its commercial 702X software-defined satellite payload, it is capable of generating hundreds of electronically-steered beams simultaneously, providing users with more than twice the mission capability compared to satellites within the existing WGS fleet. 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. 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. Credit: Boeing. One of the emerging applications is SATCOM-ON-The-Move which is now being extensively used on the military tactical vehicles for Blue Force Tracking and C3 missions. The IWS System supports continuous 24-hour-per-day wideband satellite services to tactical users and some fixed infrastructure users. The Defense Department started placing WGS satellites in orbit in 2007. 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. 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. The Block II contract calls for the launch of F4 by the first quarter of 2011 and subsequent launches every year thereafter. WGS will augment DoD communications services currently provided by the Defense Satellite Communications System (DSCS), which provides Super High Frequency (SHF) wideband communications, and by the Ka-band Global Broadcast Service (GBS), which uses direct broadcast satellite technology to provide critical information to U.S. and allied forces. WGS also augments the current Ka-band Global Broadcast Service (on UHF F/O satellites) by providing additional information broadcast capabilities as well as providing new two-way capability on that band. [8], WGS-7 (USA-263) was successfully launched by a Delta IV Medium+ (5,4) launch vehicle, with lift-off taking place from Space Launch Complex 37B (SLC-37B) in Florida on 24 July 2015, at 00:57 UTC. The WGS consists of two segments. WGS-1 lifted off on an Atlas V rocket in October 2007 followed by the other two in 2009, lifted by Atlas V and Delta IV rockets. This high-capacity satellite communications system is intended to support the warfighter with newer and far greater capabilities than provided by current systems. directed the acquisition of two additional WGS satellites. WGS will offer 4.875GHz of instantaneous switchable bandwidth, thus each WGS can supply more than 10 times the capacity of a DSCS III Service Life Enhancement Program (SLEP) satellite. The WGS system is composed of three principal segments: Space Segment (satellites), Control Segment (operators) and Terminal Segment (users). Boeing conducted a ground test for a Ka-band SATCOM antenna system for installation in the spacecraft in January 2011. SSC is proud to be in a long-term relationship with Boeing on this important mission providing safe and secure critical communications, said Erik Eliasen, Vice President of National Security Space Programs for SSC Space US. Both satellites were launched from Space Launch Complex 41 of Cape Canaveral Air Force Base (AFB), Florida, US. The satellites launched into orbit are controlled through four army wideband satellite operations centres (WSOCs) on the ground, using ground equipment hardware and software developed by Boeing, ITT Industries and Raytheon. There was a continuing need for these users to access the Gapfiller satellites and the two or more DSCS III SLEPs to provide worldwide coverage. The WGS system is composed of three principal segments: the Space Segment (satellites), the Control Segment (operators), and the Terminal Segment (users). INPE Image Catalog is a go-to source of free satellite imagery maps of South and Central America, and Africa only. Coverage Maps. We ensure people on-the-go have access to the same quality of internet in the air or at sea as they have at home. [3] According to United Launch Alliance, quoted on Spaceflight Now, "A single WGS spacecraft has as much bandwidth as the entire existing DSCS constellation. 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. Try reducing the number of spacecraft selected if the map is slow to respond. U.S. officials told Air & Space Forces Magazine the exercise, dubbed Juniper Oak, was notable in both size and scope. Main; Satellites; TV Package; HD Channels; Ultra HD Channels; Coverage Maps; BISS key; Sat Receivers . 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. Its 7.6 GHz of "new" capacity will meet the large bandwidth demands from government, energy and carrier-grade telecommunications markets in these growth regions. 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. Delta IV is an orbital launch vehicle equipped with 5m-diameter payload fairing and three CCBs, which are powered by a Rocketdyne RS-68 engine. Payload commanding and network control are managed by the armys 53rd Signal Battalion at Peterson AFB, Colorado, with subordinate elements at seven locations. 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. 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. The program has been delayed to a first launch in 2007. Boeing received a $338.7m contract modification to build WGS-10 in July 2012. Work will be performed in El Segundo, California, and is expected to be complete by Nov. 20, 2023. The next three, WGS satellites 4, 5, and 6, make up Block II. The WGS-1 was launched into orbit on 10 October 2007 on the United Launch Alliance (ULA) Atlas V launch vehicle.