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 The WGS constellation provides fast broadband communications for the US military and allies. Name Pos. This enables increased mission flexibility and . . WGS was developed to replace the legacy 14-satellite US Defense Satellite Communications System (DSCS) constellation, launched from 1982 to 2003. On this Wikipedia the language links are at the top of the page across from the article title. Boeing conducted a ground test for a Ka-band SATCOM antenna system for installation in the spacecraft in January 2011. 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. 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. 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. [19] WGS-10 is the latest part of a constellation of highly-capable communications satellites that serve the armed forces of the United States and its allies. Background At the time the program passed its preliminary design review in October 2020, contractor Boeing said delivery was on track for 2024. WGS systems feature digitally channelised transponder satellites that provide communication capacity, connectivity and flexibility to the US military forces. It was followed by the launch of the WGS-5 in May 2013 and that of the WGS-6 in August 2013. Phase I supported a continental United States (CONUS) testbed. This will placed greater dependency on Wideband Gapfiller, Global Broadcast System, and leases. Average height of ISS WGS 6 (USA 244). DOD considered accelerating AEHF by 18 months but later agreed to have a 3-year gap from last MILSTAR and the first AEHF launch. WGS1 parameters have been measured for the Narrow Coverage Antenna (NCA) and Area Coverage Antenna (ACA) beams. Chance Saltzman unveiled his "Theory of Success" concept Feb. 22, as the force carves out its military role. SSC Space US has supported launch and early orbit checkout operations for all eight WGS satellites and the Boeing/SSC partnership will continue in the future with the WGS-9 and WGS-10 missions. The new satellite was procured under the WGS Block II Follow-On contract which included options for production of up to six WGS satellites. 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. Boeing successfully launched the WGS-2 into geostationary orbit on the Atlas V in April 2009. 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On 3 October 2007, Australia's Department of Defence announced that the country would fund a sixth satellite in the constellation. Dec. 7, 2016 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. 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. The b parameter is often rounded to . After launch, the WGS-1 satellite was given the U.S. military designation USA-195. Typically, 702HP is equipped with a 490-Newton bipropellant apogee motor for the climb into Geostationary Orbit. Although ion thrusters deliver a very low thrust, they are extremely efficient and consume only a very small amount of propellant. Large swatches of America have little or no coverage. . Phase III is an Objective capability planned as part of the Advanced Wideband System (AWS) I FY 2009-Plus. 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. Live World Map of Satellite Positions - In-The-Sky.org Live Map of Satellite Positions by Dominic Ford World map Satellites above your horizon 3D globe Planetarium view Search overhead passes Date Time : Time slider Showing Time -- Freeze motion Show labels Show tracks Search Color satellites by Selection Showing -- spacecraft. Boeing received a $338.7m contract modification to build WGS-10 in July 2012. SatBeams - Satellite Coverage Maps and Charts Homepage. 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. WGS 3-WGS F3-12W-KA band footprint-beam-coverage : WGS 1+2+3 - Global beams, geographical . 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 WGS consists of two segments. A coverage footprint of 200-400 miles diameter; coverage may require a constellation approach; Looking for online definition of WGS or what WGS stands for? WGS8 was awarded in December 2011. The primary elements of a ground system are summarized in table 11-1. Originally five satellites were planned. launches following at approximately six-month intervals. Credit: Boeing. Official U.S. government information about the Global Positioning System (GPS) and related topics 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. Beginning in FY 2005 additional GBS Phase II coverage and capacity is provided by launch of three Wideband Gapfiller Satellite (WGS). High-capacity military communications satellite, 39 125-MHz Channels via digital channeliser/router. 17-05-2019 17:24:28 ZULU. Boeings team of contractors includes Harris Corporation, ITT Industries, Logicon and SAIC. 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. 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 . 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. [8] The next four, WGS-7, -8, -9, and -10, make up Block II Follow-On. May 23, 2013 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. Ford 20112023. The WGS constellation provides broadband communications for the U.S. military and allies. 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. Primary function:High-capacity military communications satellite Office of the Secretary of Defense issued a Program Decision Memorandum on August 22, 2000, supplementing WGS The history of U.S. MILSATCOM has been one of aggregation of mission capabilities over time. Together these assets will provide wideband services during the transition period between today's systems and the advent of the Objective X/Ka wideband system or Advanced Wideband System (AWS), which has merged with Transformational Communications System (TCS), in 2008-2009. Air & Space Forces Magazine is the official publication of the Air & Space Forces Association, 1501 Langston Boulevard, Arlington, Va., 22209-1198. 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. 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. The combined wideband satellite communications system consists of space vehicles of multiple types, control terminals and facilities, and user terminals. Actual coverage may vary because of gateway deployment, local licensing and other factors. WGS-7 and WGS-8 were launched in July 2015 and December 2016 respectively. 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. 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. This high-capacity satellite communications system is intended to support the warfighter with newer and . WGS was initiated to deliver newer and greater capabilities to the warfighter by deploying a constellation of high-throughput satellites to Geostationary Orbit. 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 new satellite is destined to join a constellation of 10 other WGS satellites in high geosynchronous Earth orbits providing communications to deployed forces. WGS10 was ordered in July 2012. It provides steerable spotbeams that can reach any position within the satellites field of view between 65 degrees north and south latitude. 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. A satellite's latitude () is the latitude of the point GBS also utilizes the Wideband Global SATCOM (WGS) satellites. 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. Satellite Coverage Maps Satellite Frequencies The following graphs show the coverage of each individual satellite. At the same time, the expected number of Gapfiller satellites alone would not provide full 65N-to-65S worldwide coverage across all intended coverage areas and all longitudes. An artists illustration of the Wideband Global Satellite Communications satellite WGS-11+. 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. How to get and share the Google Maps Satellite view of any place on earth: Enter the address or the GPS coordinates of the target location Click on the "Google Map Satellite" button Simply copy and paste the dynamically updated page's URL to share the resulting view Address Google Maps Satellite DD (decimal degrees)* Latitude Longitude 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. Timezone: 51.51N March 18, 2017 WGS-3 (USA-211) was launched on 6 December 2009, at 01:47:00 UTC, covers the Atlantic Ocean. 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. 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. CONNA - North America AMSAT - North & South America OCSAT - Asia Pacific EMSAT - Europe and Africa IOSAT - India, CIS, Middle-East 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. Please make a donation to support Gunter's Space Page. The Wideband Global SATCOM (WGS) system is a high-capacity communication satellite, previously known as the wideband gap filler satellite system. 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. 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. It is available in different medium models: medium+ (4,2), medium+ (5,2), medium+ (5,4) and heavy. Select a Satellite To Point to. MILSATCOM Joint Program Office is integrating the WGS and GBS space and ground segments. If you continue to use this site we will assume that you are happy with it. Just one WGS satellite has the same capability as the entire legacy 14-satellite DSCS network. The number of spacecraft shown below has been reduced to, Location: The company is also investing in a low-orbiting satellite approach that could offer connectivity at a more rapid speed than currently available. 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. Satellite Dish Pointer with Google Maps. 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 US Air Force subsequently exercised its option for two more satellites, WGS-8 and WGS-9, under a $673m contract in January 2012. Try reducing the number of spacecraft selected if the map is slow to respond. 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. Each individual beam is shapeable and can be uniquely tailored to each situation. The WGS system is composed of three principal segments: the Space Segment (satellites), the Control Segment (operators), and the Terminal Segment (users). RD-4 engines were built by Kasier Marquardt. In addition, the satellite uses four axial 22-Newton Thrusters and four radial 10-Newton thrusters for smaller orbit adjustments, drifting in Geostationary Orbit and attitude maneuvers. Follow; Twitter; Facebook; GitHub; Flickr; YouTube; Instagram 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 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 remaining coverage area is an X-Band Earth Coverage beam. 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. Coverage may vary. WGS augments the one-way Global Broadcast Service (GBS) service through new two-way Ka-band service. Limited protected services are provided under conditions of stress to selected users employing terrestrial modems capable of providing protection against jamming. WGS-2, 60.0 East, WGS-2 satellite RU . 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. Map denotes coverage for satellite two-way voice and duplex data only. The channelizer also supports multicast and broadcast services and provides flexible uplink monitoring for network control. It is principally designed and developed for the US Department of Defence (DoD). Limited protected services will be provided under conditions of stress to selected users employing terrestrial modems capable of providing protection against jamming. The end users of the communication services provided by the WGS are described by the DoD as the terminal segment. Users of WGS include the U.S., Canada and Australia. In January 2020, the U.S. Army posted a request for information on a Wideband Global Satellite (WGS) Ka-Band Satellite Surrogate. Telemetry and command links are available via X- and Ka-Band. Tacticalforces rely on WGS to provide high-capacity connectivity betweenindividual users and the Defense Information Systems Network (DISN). Work will be performed in El Segundo, California, and is expected to be complete by Nov. 20, 2023. 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. The XIPS-25 system used by the 702SP spacecraft consists of a central Xenon tank and four 25-centimeter ion thrusters. 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. 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). Oct. 10, 2007 WGS 6 (USA 244) - Orbit. 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.. (Current as of Feb 2023), An official website of the United States government, Hosted by Defense Media Activity - WEB.mil. Block II was inaugurated in 2012 with the launch of WGS-4 and features a number of upgrades including a radio frequency bypass capability for optimized services to airborne intelligence, surveillance and reconnaissance platforms (Unmanned Aerial Vehicles) requiring ultra-high bandwidth and data rates. Just one WGS satellite provides more SATCOM capacity than the entire legacy Defense Satellite Communications System (DSCS) constellation. The longitude is assumed to range from -180 to +180 degrees, and the latitude must be clipped to range from -85. . funding by $272.9M to ensure funding of the complete constellation of three satellites. Mapping provided by https://hilltopviews.org.uk. 3 hours 6 hours 12 hours 24 hours. EN . Wideband Global SATCOM Satellite (WGS) is the backbone of the U.S. militarys Wideband satellite communications capability. 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. 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. General Characteristics Like the DSCS constellation that WGS will replace, spacecraft bus is commanded by the 4th Space Operations Squadron of Schriever Space Force Base, Colorado. 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. Dianne Feinstein (D-Calif.) and Marco Rubio (R-Fla.) introduced the Space National Guard Establishment Act on, The Space Force is opening up its competition for rocket launches with a dual-lane approach, according to a new draft request for proposals (RFP) from industrypotentially giving smaller companies more opportunities. 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 Defense Department started placing WGS satellites in orbit in 2007. WGS can tailor coverage in near-real time and connect X-Band and Ka-Band Users anywhere within the field of view. In June 2012, Boeing was selected to upgrade the wideband digital channeliser that offers 90% improvement for satellites WGS-8 and beyond. A statement said WGS-11+ will have more communications flexibility than the entire existing WGS constellationreferring to the new satellites numerous coverage beamswith twice the mission capability in contested environments.. 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 Space Vehicles (SVs) are the Department of Defense's highest capacity communications satellites. 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 . The very first Wideband Gapfiller in orbit will provide greater capability and bandwidth than all the DSCS satellites combined. The versatile reachback capability offered by the STAR-T/WGS combination strongly supports force-projection operations emphasized in both the Army's transformation strategy and Joint Vision 2020. The first three WGS satellites form Block I of the space segment. 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. Astronauts in Space List of satellites Photos Height of ISS Lunar phase NASA RSS Virtual tour of the station Map settings. 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. The order for long lead items for WGS7 was placed in August 2010. 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. 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. 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. 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. 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. The Option for WGS4 and 5 was exercised in November 2006. It carries Ka-band and X-band transponders with 8.088 gigahertz of bandwidth offering downlink speeds of up to 11gigabits per second. To take advantage of WGS' increased capabilities, STAR-T was upgraded by adding a fourth band (Ka), making it a quad-band terminal. Hybrid Air Vehicles (HAV) is a pioneer and world leader in the design, manufacture and support of innovative lighter-than-air (LTA) aircraft products, known as hybrid air vehicles. Fiscal 2018 procurement funds in the amount of $300,000,000 are being obligated at the time of award. The WGS system is composed of three principal segments: Space Segment (satellites), Control Segment (operators) and Terminal Segment (users). 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. Space and Missile Systems Center, Los Angeles Air Force Base, California, is the contracting activity. Each WGS satellite is digitally channelized and transponded. April 4, 2009 "[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. No other alternatives to the WGS program had been identified by the MILSATCOM Joint Program Office (SMC/MCX). Main; Satellites; TV Package; HD Channels; Ultra HD Channels; Coverage Maps; BISS key; Sat Receivers . 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 dashed part of the orbit path shows where the satellite is in the earth's shadow, Once the full constellation of 6 WGS satellites is operational, they will replace the DSCS system. [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. Read more Re-Entry: Columbia Sat (QB50) March 8, 2018 WGS systems comprise three main segments, which are space, terminal and control. WGS is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms The Free Dictionary click here. Other improvements involve uniquely shaping the terrestrial footprint of the beams for smaller footprints that are less susceptible to jamming. An artists conception of the WGS 11+ satellite. 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. Satbeams has updated its cookie policy. We use cookies to ensure that we give you the best experience on our website. The Wideband Gapfiller Satellites are the DoD's most capable and powerful communication satellite. 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 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. 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 53rd Space Operations Squadron (53 SOPS) utilizes five WidebandSATCOM Operation Centers to globally manage and control the WGScommunications payloads. Satellite information WGS 6 (USA 244) - WGS-6, WIDEBAND GLOBAL SATCOM 6 NORAD ID:39222. For more information including contact details,