Each WGS satellite has a launch mass of around 5,987 Kilograms and is based on Boeings BSS-702HP satellite platform. WGS combines unique commercial spacecraft capabilities that Boeing has developed, including phased array antennas and digital signal processing technology, into a powerful, flexible architecture. 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 first WGS satellite was launched in 2007, with capability steadily improved such that WGS-10 can deliver download speeds of up to 11 gigabits per second. 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. EN . The WGS satellites make use of modern satellite communications systems such as phased array antennas and digital signal processing technology to create a powerful architecture with a high degree of flexibility. If you continue to use this site we will assume that you are happy with it. The first three WGS satellites form Block I of the space segment. Red dots are reference stations used within the current network. WGS was initiated to deliver newer and greater capabilities to the warfighter by deploying a constellation of high-throughput satellites to Geostationary Orbit. The digital channeliser also offers multicast and broadcast services to support the network protocol. The Global Broadcast Service space segment was implemented in three phases. Wideband Global SATCOM Satellite (WGS) is the backbone of the U.S. military's Wideband satellite communications capability. The WGS-2 satellite was positioned over the equator around 60 East longitude (over the Indian Ocean) for use by United States Central Command in Afghanistan, Iraq and other parts of Southwest Asia. One of the NATO systems using satellite communications from NSS6G is the Alliance Ground Surveillance (AGS) system. Connectivity: The enhanced connectivity capabilities of WGS enable any user talk to any other user with very efficient use of satellite bandwidth. The WGS system is composed of three principal segments: Space Segment (satellites), Control Segment (operators) and Terminal Segment (users). It features satellite images from Brazil and China's joint mission, CBERS-4, alongside U.S., UK, and India's Earth-observing missions: Aqua, Terra, Landsat-8, ResourceSat, Suomi-NPP, DEIMOS, and UK-DMC 2. [16][17], WGS-9 (USA-275) was launched on 19 March 2017, at 00:18:00 UTC. Core U.S. MILSATCOM will span just 14 satellites by 2020 [Advanced EHF (AEHF): 4, Wideband Global SATCOM (WGS): 6, Mobile User Objective System (MUOS): 4]. Air & Space Forces Magazine is the official publication of the Air & Space Forces Association, 1501 Langston Boulevard, Arlington, Va., 22209-1198. WGS provides worldwide, flexible, high-capacity communications for US Government Agencies, Department of Defense (DOD), multiple International Partners and the North Atlantic Treaty Organization (NATO). These satellites have a much smaller coverage fraction f than does GPS, typically limited by a sensor's field of view. Block I contains WGS-1, WGS-2 and WGS-3 satellites, while block II satellites include WGS-4, WGS-5 and WGS-6. These satellites operate in the programmed X- and Ka-band frequency spectrum. 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. Gapfiller provides an increase in access for both transportable/mobile and fixed users. SATCOM Services. WGS systems comprise three main segments, which are space, terminal and control. 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. Office of the Secretary of Defense issued a Program Decision Memorandum on August 22, 2000, supplementing WGS Subsequently, the The first launch of WGS-1 was conducted by United Launch Alliance (ULA) on 11 October 2007, at 00:22 UTC. The orbit data is extracted from the following two-line orbital elements, 1 39222U 13041A 23053.33868934 .00000076 00000-0 00000-0 0 9997 2 39222 0.0131 103.0841 0000182 169.9453 225.6390 1.00270828 33911. Beginning in FY 2005 additional GBS Phase II coverage and capacity is provided by launch of three Wideband Gapfiller Satellite (WGS). The Boeing 702 uses advanced technologies in propulsion, power generation and thermal control, and can connect X- and Ka-band users within the coverage field of view via reconfigurable antennas and a digital channeliser. Coverage Maps. The original RD-4 was developed as an attitude control thruster for the Apollo Service and Lunar Lander modules. It enables a user to inquire about satellite imagery over any portion of the world by specifying a nominal scene center designated by PATH and ROW numbers. The Option for WGS4 and 5 was exercised in November 2006. 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. A description published by the Air Force calls the constellation the backbone of the U.S. militarys satellite communications adding the satellites themselves are its highest capacity communications satellites.. It consists of a reference ellipsoid, a standard coordinate system, altitude data, and a geoid. Work will be performed in El Segundo, California, and is expected to be complete by Nov. 20, 2023. Looking for online definition of WGS or what WGS stands for? The 2001 Defense Appropriations Act, signed on August 9, 2000, limited funding to two satellites. In December 2003, the OSD Last updated: 03 Mar 2023, 19:56 UTC 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 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. map shows the quantized color-coded availability from each satellite's field of view based on the optimized data rate for the reference link which operates in a relatively benign propagation environment. For over 35 years Aerospace Logistics has been supporting numerous For over 35 years Aerospace Logistics has been supporting numerous types of aircraft, both fixed and rotary wing, for end users and operators worldwide. Space and Missile Systems Center, Los Angeles Air Force Base, California, is the contracting activity. Ford 20112023. The Gapfiller System supports continuous 24 hour per day wideband satellite services to tactical users and some fixed infrastructure users. 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 satellite operates in the Indian Ocean region and provides high-capacity communication links to US troops in . Mission WGS provides essential communications services, allowing Combatant Commanders to exert command and control of their tactical forces, from peace time to military operations. Payload commanding and network control are managed by the army's 53rd Signal Battalion at Peterson AFB, Colorado, with subordinate elements at seven locations. 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. WGS 11, which is slated for delivery from prime contractor Boeing in 2023, will provide more coverage beams and more beam formed bandwidth . Animation Speed. The WGS-2 satellite, which was designated as USA-204, entered service in August 2009. WGS The Wideband Global Satcom System is a U.S. satellite constellation providing communications for military operations around the globe, supporting soldiers, ships, and aircraft including unmanned drones used for surveillance and intelligence gathering operations around the globe. Other improvements involve uniquely shaping the terrestrial footprint of the beams for smaller footprints that are less susceptible to jamming. 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. SatBeams - Satellite Coverage Maps and Charts Homepage. The satellite will be produced at the companys El Segundo factory and is scheduled to be delivered in 2024. The company is also investing in a low-orbiting satellite approach that could offer connectivity at a more rapid speed than currently available. Calculators and Maps Satellite Installation We offer installation services and training on how to install satellite dishes yourself; here's all you need to know. Capacity: WGS will offer 4.875 GHz of instantaneous switchable bandwidth. RD-4 engines were built by Kasier Marquardt. The Program Office plan for WGS satellite launch is to integrate them on both Delta and Atlas Evolved Expendable Launch Vehicles (EELVs). [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. The Worldwide Reference System (WRS) is a global notation system for Landsat data. Satellite information WGS 6 (USA 244) - WGS-6, WIDEBAND GLOBAL SATCOM 6 NORAD ID:39222. The revolutionary WGS-11+ satellite will have more coverage beams than the combined existing WGS constellation and will provide Combatant Commanders with twice the mission capability in contested environments. @media only screen and (min-device-width : 320px) and (max-device-width : 480px) { March 15, 2019 A digital channelizer divides the uplink bandwidth into nearly 1900 independently routable 2.6MHz subchannels providing any-coverage-to-any-coverage connectivity (including X-to-Ka and Ka-tocrossbanding) for maximum operational flexibility. [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. WGS1 parameters have been measured for the Narrow Coverage Antenna (NCA) and Area Coverage Antenna (ACA) beams. Website designed by Satellite Dish Pointer with Google Maps. The combined wideband satellite communications system consists of space vehicles of multiple types, control terminals and facilities, and user terminals. Each WGS satellite is digitally channelized and transponded. To take advantage of WGS' increased capabilities, STAR-T was upgraded by adding a fourth band (Ka), making it a quad-band terminal. This enables increased mission flexibility and . Follow the company to be always up to date with this company. The WGS-2 satellite was designated as USA-204, and entered service in August 2009. S.O.S./911 coverage for the device only applies to areas shown above. It is available in different medium models: medium+ (4,2), medium+ (5,2), medium+ (5,4) and heavy. 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-2, 60.0 East, WGS-2 satellite RU . 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. 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. 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. The Block-2 WGS satellites can deliver a data throughput of 6Gbps and the modified Block II satellites achieve 11 Gbps. Three satellites operating in X- and Ka-band can be controlled and tracked by a global satellite configuration and control element (GSCCE), using a telemetry tracking and command links (TT&C) system. One expert said the coverage maps often touted by these large providers in their advertising are a joke at best. 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 upgraded hardware also will be installed on the planned 10th WGS satellite. HOME / SATELLITES / Satellite Coverage Maps . WGS was developed to replace the legacy 14-satellite US Defense Satellite Communications System (DSCS) constellation, launched from 1982 to 2003. The system provides two-way X- and Ka-band communications, as well as Ka-band broadcast services to the US armed forces and other allied forces worldwide, and X-band satellite transfers of data, photos and videos to troops on the battlefield. Powered by EPSG database 10.076 Until the future Advanced-EHF replacement to the MILSTAR comes on-line with its capability to transmit 1 Gbps, short-term solutions to the military's bandwidth shortfall would be needed, such as the Wideband Gapfiller, a lesser robust interim solution to AEHF, Global Broadcast System, and leasing options. The Wideband Gapfiller Satellite System is limited to the Gapfiller satellites and associated control equipment and software that augment currently existing facilities. No other alternatives to the WGS program had been identified by the MILSATCOM Joint Program Office (SMC/MCX). The WGS-6 was delivered to the US Air Force in December 2013. The WGS payload. Power is stored in dual Lithium-Ion batteries and dedicated avionics regulate the main power bus of the spacecraft to provide power to all subsystems of the satellite bus and the communications payload. 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. Originally five satellites were planned. 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. The combination of the Wideband Gapfiller Satellites, DSCS satellites, GBS payloads, wideband payload and platform control assets, and earth terminals operating with them has been referred to as the Interim Wideband System (IWS). The US Air Force extended the order value to $1.09bn in September 2011 to facilitate the production, launch and on-orbit activation of the seventh satellite and to procure the long lead materials for an eighth WGS satellite. Boeing will build the WGS-11+ satellite at its facility in El Segundo, California, US. As of the latest revision, the WGS 84 datum surface is a pole-flattened ( oblate) spheroid, with major ( transverse) radius a = 6,378,137 m at the equator, and minor ( conjugate) radius b = 6,356,752.314 245 m at the poles (a flattening of 21.384 685 755 km, or 1/298.257 223 563 0.335% in relative terms). Address: 12219 MacDonald Dr, Ojai, CA 93023 Use Our Contact Form; Office: + 1-805-649-1384 Fax: + 1-805-500-4328 The system will provide capacity ranging from 2.1Gbps to more than 3.6Gbps to tactical users, depending on the mix of ground terminals, data rates and modulation schemes employed. The Global Broadcast Service [GBS] augments and interfaces with other communications systems to provide a continuous, high-speed, one-way flow of high-volume information supporting routine operations, training and military exercises, special activities, crisis, situational awareness, weapons targeting, intelligence, and the transition to and conduct of operations short of nuclear war. WGS provides worldwide flexible, high data rate and long haul communications for marines, soldiers, sailors, airmen, the White House Communication Agency, the US State Department, international partners, and other special users. Just one WGS satellite provides more SATCOM capacity than the entire legacy Defense Satellite Communications System (DSCS) constellation. Astronauts in Space List of satellites Photos Height of ISS Lunar phase NASA RSS Virtual tour of the station Map settings. Hover over the logos to learn more about the companies who made this project possible. 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. WGS can tailor coverage in near-real time and connect X-Band and Ka-Band Users anywhere within the field of view. The history of U.S. MILSATCOM has been one of aggregation of mission capabilities over time. #ga-ad {display: none;} Aug. 7, 2013 Spacecraft platform control and stationkeeping maneuvers as well as orbital planning is accomplished by the 3rd Space Operations Squadron stationed at Shriver Air Force Base. It uses phased array, shaped beam, steerable spotbeams to provide coverage to support coalition forces anywhere on the globe. WGS 3-WGS F3-12W-KA band footprint-beam-coverage : WGS 1+2+3 - Global beams, geographical . Even though Bing Maps uses a spherical projection, it's important to convert all geographic coordinates into a common datum, and WGS 84 was chosen to be that datum. On this Wikipedia the language links are at the top of the page across from the article title. WGS satellites are a follow-on to the current Defense Satellite Communications System satellites, but they offer a tenfold capability improvement in available bandwidth. Sens. Ford. Limited protected services will be provided under conditions of stress to selected users employing terrestrial modems capable of providing protection against jamming. 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. AMOS-3 | 4W ; AMOS-7 | 4W ; AMOS-17 | 17E ; AMOS-4 | 65E ; Choose Area: Europe Ku-band ; Middle East Ku-band ; North America Ku-band ; Ukraine Ku-band ; Choose Area: Southern Africa Ku band ; Middle East Ku band ; CEE Ku band ; Launches 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. Longitude: Operational and logistics support and training are also included in the program. Leveraging the Space and Missile Systems Center's cross-corps enterprise structure, the three-day event was co-chaired by SMC . 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 military's Protected Tactical Waveform is expected to run on the WGS satellites. WGS 1 [Boeing BSS] 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. It is positioned over the Eastern Atlantic at an orbital slot of 12> West longitude to operate in the Atlantic region. The second satellite, WGS-2 was launched into geostationary orbit on the Atlas V in April 2009. The WGS-3 satellite was delivered to Cape Canaveral Air Force Station on 28 September 2009 and successfully launched in December 2009 on a ULA Delta IV vehicle from Space Launch Complex 41. The order for long lead items for WGS7 was placed in August 2010. First launch is projected for 2QFY05 with the second and third [1] The system is composed of the Space Segment satellites, the Terminal Segment users and the Control Segment operators.[2]. These three projects provide NATO with access to the military segments of four national satellite communications systems: SYRACUSE from France, SICRAL from Italy, Skynet from the United Kingdom and WGS from the United States. The WGS constellation provides broadband communications for the U.S. military and allies. Beginning in 1998, GBS broadcasts via communication payloads on two UFO Ka-Band augmented satellites. 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. Satellite Animation Style. HX System (for mobiles and airborne/maritime communications) of Hughes Network Systems was granted Wideband Global SATCOM (WGS) certification by the US Strategic Command in November 2010. Official U.S. government information about the Global Positioning System (GPS) and related topics WGS is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms The Free Dictionary This will placed greater dependency on Wideband Gapfiller, Global Broadcast System, and leases. WGS-4 is an extremely advanced satellite operating at the established X-Band and the high frequency Ka-Band. So far there are 10 WGS satellites - launched from 2007 to 2019 - with the US military boasting in 2007 that the new WGS satellite would deliver 10 times the bandwidth of the entire DSCS . WGS10 was ordered in July 2012. The satellite was partially-funded by allied nations, including Canada, Denmark, the Netherlands, Luxembourg, New Zealand and the United States, for military access to the entire WGS constellation.[18]. 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. Limited protected services are provided under conditions of stress to selected users employing terrestrial modems capable of providing protection against jamming. Boeing successfully launched the WGS-2 into geostationary orbit on the Atlas V in April 2009. The WGS system is composed of three principal segments: the Space Segment (satellites), the Control Segment (operators), and the Terminal Segment (users). 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. Launched in March 2017, WGS-9 was funded through an international partnership consisting of the US Air Force, Canada, Denmark, the Netherlands, Luxemberg and New Zealand. 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. WGS-1 with its 2.4 Gbit/s wideband capacity, provided greater capability and bandwidth than all the DSCS satellites combined.[6]. Payload commanding and network control are managed by the armys 53rd Signal Battalion at Peterson AFB, Colorado, with subordinate elements at seven locations. Logicon provides communications software and SAIC extends engineering and communications architectures. The satellite operators come under the control segment. Boeings team agreed to supply the satellites, spacecraft and payload control equipment under the deal, as well as logistics, training and sustained engineering support. In March 2007 the acronym WGS was changed to Wideband Global Satcom. 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. Thus, each WGS can supply more than 10times the capacity of a DSCS-3 Service Life Enhancement Program (SLEP) satellite. The models are differentiated depending on the specific payload size and weight ranges. 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. In January 2020, the U.S. Army posted a request for information on a Wideband Global Satellite (WGS) Ka-Band Satellite Surrogate. Mapping provided by https://hilltopviews.org.uk. The longitude is assumed to range from -180 to +180 degrees, and the latitude must be clipped to range from -85. . Like the DSCS constellation that WGS will replace, spacecraft bus is commanded by the 4th Space Operations Squadron of Schriever Space Force Base, Colorado. Users of the WGS system include the Australian Defence Force and the US Army ground mobile terminals, the US Navy ships and submarines, and national command authorities for the nuclear forces, in addition to various national security/allied national forces. Each satellite of WGS system provides 2.1Gbps to 3.6Gbps of data transmission rates, based on the mix of ground terminals, data rates and modulation schemes employed. 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. These characteristics provide a quantum leap in communications capacity, connectivity and flexibility for U.S. military forces and.
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