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The Wideband Global SATCOM (WGS) system is a high-capacity communication satellite, previously known as the wideband gap filler satellite system. Background 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. The satellite was carried by an Atlas V 421 launch vehicle lifting off from SLC-41 at Cape Canaveral Air Force Station (CCAFS). These include 8 steerable X-Band beams provided by separate transmit and receive phased arrays as well as 10 steerable Ka-Band beams that are formed by steerable, diplexed gimbaled dish antennas. It is positioned over the Eastern Atlantic at an orbital slot of 12> West longitude to operate in the Atlantic region. Wideband Global SATCOM Satellite (WGS) is the backbone of the U.S. militarys Wideband satellite communications capability. 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. Gapfiller provides an increase in access for both transportable/mobile and fixed users. The Wideband Gapfiller Satellite System is limited to the Gapfiller satellites and associated control equipment and software that augment currently existing facilities. Looking for online definition of WGS or what WGS stands for? Here, the performance of WGS in NA12878, the YH cell line, and the Chinese trios were measured by assessing their . WGS satellites are a follow-on to the current Defense Satellite Communications System satellites, but they offer a tenfold capability improvement in available bandwidth. No other alternatives to the WGS program had been identified by the MILSATCOM Joint Program Office (SMC/MCX). At the time the program passed its preliminary design review in October 2020, contractor Boeing said delivery was on track for 2024. Try reducing the number of spacecraft selected if the map is slow to respond. Boeing conducted a ground test for a Ka-band SATCOM antenna system for installation in the spacecraft in January 2011. Under Block II, Boeing added a radio frequency bypass capability designed to support airborne intelligence, surveillance and reconnaissance platforms requiring ultra-high bandwidth and data rates demanded by unmanned aerial vehicles. These satellites have a much smaller coverage fraction f than does GPS, typically limited by a sensor's field of view. WGS-10 (USA-291) was launched atop a Delta IV Medium+ (5,4) launch vehicle from Cape Canaveral Air Force Station on 16 March 2019, at 02:26 UTC. Harris provides satellite communications ground terminals and terminal and payload interfaces, while ITT Industries supplies communications network and control systems. Fiscal 2018 procurement funds in the amount of $300,000,000 are being obligated at the time of award. Atlas V is equipped with 4m-diameter payload fairing, two solid rocket motors and a single-engine Centaur upper stage, attached to a single common core booster (CCB) powered by an RD-180 engine. [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. Actual coverage may vary because of gateway deployment, local licensing and other factors. #ga-ad {display: none;} 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. 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. WGS offers 4.875 GHz 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. [16][17], WGS-9 (USA-275) was launched on 19 March 2017, at 00:18:00 UTC. (Courtesy of Boeing), WIDEBAND GLOBAL SATCOM SATELLITE 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. The DSCS system was replaced by five fully operational Wideband Gapfiller Satellites (WGS), each able to downlink 2.4 Gbps of data to tactical users. Features 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 end users of the communication services provided by the WGS are described by the DoD as the terminal segment. General Characteristics WGS1 parameters have been measured for the Narrow Coverage Antenna (NCA) and Area Coverage Antenna (ACA) beams. [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 Defense Department started placing WGS satellites in orbit in 2007. (Current as of Feb 2023), An official website of the United States government, Hosted by Defense Media Activity - WEB.mil. The Worldwide Reference System (WRS) is a global notation system for Landsat data. Address: 12219 MacDonald Dr, Ojai, CA 93023 Use Our Contact Form; Office: + 1-805-649-1384 Fax: + 1-805-500-4328 Satellite information WGS 6 (USA 244) - WGS-6, WIDEBAND GLOBAL SATCOM 6 NORAD ID:39222. 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. @media only screen and (min-device-width : 320px) and (max-device-width : 480px) { The engine provides a specific impulse of 312s, has a thrust to weight ratio of 13.7 and operates at a chamber pressure of 6.9 bar. II. 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. The combined wideband satellite communications system consists of space vehicles of multiple types, control terminals and facilities, and user terminals. 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]. In December 2003, the OSD After launch, the WGS-1 satellite was given the U.S. military designation USA-195. WGS hosts a powerful communications payload for secure and fault-proof communications. WGS 10 (USA 291) is the 10th Wideband Global SATCOM satellite, the fourth Block II follow-on satellite, and supports communications links in the X-band and Ka-band spectra. INPE Image Catalog is a go-to source of free satellite imagery maps of South and Central America, and Africa only. Just one WGS satellite provides more SATCOM capacity than the entire legacy Defense Satellite Communications System (DSCS) constellation. Animation Speed. Follow WGS 6 (USA 244) live! In addition, the channelizer supports multicast and broadcast services and provides an extremely effective and flexible uplink spectrum monitoring capability for network control. 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. 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. A total of 19 independent coverage areas that can be used throughout the field of view of each satellite. [14], On 23 August 2010, Boeing was awarded an Air Force contract worth US$182 million to begin work on the seventh WGS satellite. 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. WGS-7 and WGS-8 were launched in July 2015 and December 2016 respectively. 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. 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. Canada has also signed on to become a partner.[5]. BG Patrick W. Burden, Program Executive Officer Enterprise Information Systems (PEO EIS); COL Charles Stein, Project Manager, Defense . [3] According to United Launch Alliance, quoted on Spaceflight Now, "A single WGS spacecraft has as much bandwidth as the entire existing DSCS constellation. It carries Ka-band and X-band transponders with 8.088 gigahertz of bandwidth offering downlink speeds of up to 11gigabits per second. The remaining coverage area is an X-Band Earth Coverage beam. Slow Medium Fast. 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. Wideband Global SATCOM Satellite (WGS) is the backbone of the U.S. military's Wideband satellite communications capability. Aug. 7, 2013 EN . }, Page last modified: Red dots are reference stations used within the current network. Just one WGS satellite has the same capability as the entire legacy 14-satellite DSCS network. 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. The R-4D main engine employed by WGS is Monomethylhydrazine/Nitrogen Tetroxide Engine that provides 490 Newtons of thrust. The WGS satellites were built on a Boeing 702 spacecraft with 13kW of power and flexible coverage areas. WGS-2, 60.0 East, WGS-2 satellite RU . 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 is principally designed and developed for the US Department of Defence (DoD). HOME / SATELLITES / Satellite Coverage Maps . 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. Copyright 2023. SpaceX is developing a low latency, broadband internet system to meet the needs of consumers across the globe. An artists illustration of the Wideband Global Satellite Communications satellite WGS-11+. The Air Force Space Command estimates each satellite will cost approximately US$300 million. WGS6 was ordered in 2007 by Australia, which will get access to the WGS system in return. 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. GBS SBM DECC sites in Oklahoma City OK and Mechanicsberg PA currently service 1500+ GBS RS deployed world-wide at Army, Marine, Navy, Air Force ground sites, shipboard and subsurface platforms and at NORTHCOM-sponsored homeland defense organizations worldwide. The 53rd Space Operations Squadron (53 SOPS) utilizes five WidebandSATCOM Operation Centers to globally manage and control the WGScommunications payloads. This high-capacity satellite communications system is intended to support the warfighter with newer and . . Space Systems Command announced the milestone Feb. 1. 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. Step 1. A satellite's latitude () is the latitude of the point This will placed greater dependency on Wideband Gapfiller, Global Broadcast System, and leases. [1] The system is composed of the Space Segment satellites, the Terminal Segment users and the Control Segment operators.[2]. On this Wikipedia the language links are at the top of the page across from the article title. The WGS system is composed of three principal segments: Space Segment (satellites), Control Segment (operators) and Terminal Segment (users). Boeing will build the WGS-11+ satellite at its facility in El Segundo, California, US. . 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. The WGS consists of two segments. Mapping provided by https://hilltopviews.org.uk. Large swatches of America have little or no coverage. 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. GMT, Light WGS systems feature digitally channelised transponder satellites that provide communication capacity, connectivity and flexibility to the US military forces. 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. 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. funding by $272.9M to ensure funding of the complete constellation of three satellites. About Contact Widget Social Media Facebook Twitter Instagram . One expert said the coverage maps often touted by these large providers in their advertising are a joke at best. It was followed by the launch of the WGS-5 in May 2013 and that of the WGS-6 in August 2013. Typically, 702HP is equipped with a 490-Newton bipropellant apogee motor for the climb into Geostationary Orbit. 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. It carries Ka-band and X-band transponders with 8.088 gigahertz of bandwidth - offering downlink speeds of up to 11 gigabits per second . [13], WGS-6 (USA-244) was launched on a Delta IV launch vehicle on 8 August 2013, at 00:29 UTC from Cape Canaveral Air Force Station (CCAFS).