The 2001 Defense Appropriations Act, signed on August 9, 2000, limited funding to two satellites. 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. The Wideband Global SATCOM (WGS)-11+ program completed its first ever, all-virtual Preliminary Design Review (PDR) culminating in the successful conclusion of the review on July 1 after an eight-month long campaign. click here. Animation Speed. This enables increased mission flexibility and . Wideband Global SATCOM (WGS) satellites - Aerospace Technology US Army posts WGS Ka-Band Satellite RFI The USSF Space Delta 8s 4th Space OperationsSquadron (4 SOPS) manages and controls the on-orbit satellite buses. The Wideband Gapfiller Satellite (WGS) will provide unprecedented X-band user coverage flexibility with two digitally controlled multibeam phased array antennas. The upgraded hardware also will be installed on the planned 10th WGS satellite. Responses are due by 3:00 p.m. Eastern on February 6. . WGS 11, which is slated for delivery from prime contractor Boeing in 2023, will provide more coverage beams and more beam formed bandwidth . In October 2020, Boeing and the US Space Force completed the first major design review for WGS-11+ communications satellite. directed the acquisition of two additional WGS satellites. WGS is designed to enhance and augment heritage communications from the DSCS-3 satellites, delivering Super High Frequency (SHF) wideband communications, and Ka-band Global Broadcast Service (GBS). 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 program has been delayed to a first launch in 2007. The Block-2 WGS satellites can deliver a data throughput of 6Gbps and the modified Block II satellites achieve 11 Gbps. . 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. In 2019, Boeing received a contract to build an 11th WGS satellite. Ford. SatBeams - Satellite Coverage Maps and Charts Homepage. The satellite was carried by an Atlas V 421 launch vehicle lifting off from SLC-41 at Cape Canaveral Air Force Station (CCAFS). Step 2. WGS-11+ - Wikipedia The first three WGS satellites form Block I of the space segment. WGS augments the one-way Global Broadcast Service (GBS) service through new two-way Ka-band service. SPOT Satellite Coverage Map | Saved by SPOT | US - findmespot.com [9][10] Originally, the second spacecraft was to fly on the Delta IV M+ (5,4), and the third on the Atlas V 421, but they were switched for an undisclosed reason.[11]. The first spacecraft of the Gravity Recovery and Climate Experiment (GRACE) - run jointly by NASA and the German Aerospace Center - re-entered the atmosphere on March 10, 2018, over four months after ending a science mission of over 15 years. As the backbone of the U.S. military's global satellite communications, WGS provides flexible, high-capacity communications for the Nation's warfighters through procurement and operation of the satellite constellation and the associated control systems. Block II satellites feature a radio frequency bypass capability, which is designed to support airborne intelligence, surveillance and reconnaissance platforms that require ultra-high bandwidth, as well as the data rates demanded by unmanned aerial vehicles. 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. 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. 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. Coverage Maps; BISS key; Sat Receivers; Installation of satellite TV; Satellite News; TV of the world; Contacts; Search. 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. High-capacity military communications satellite, 39 125-MHz Channels via digital channeliser/router. 11.0 Ground Data Systems and Mission Operations | NASA 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. 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. WGS-11+ is expected to include advanced digital payload and operational capabilities that improve on those of its predecessors. The WGS constellation represents the primary communications system for the Department of Defence operated alongside the specialized AEHF operated by the Air Force and the Navys MUOS mobile communications system. The result has been today's limited number of large satellites of ever-increasing complexity. . WGS-11+ Satellite completes preliminary design review 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. U.S. officials told Air & Space Forces Magazine the exercise, dubbed Juniper Oak, was notable in both size and scope. Next WGS Satellite With More, Narrower Coverage Beams Starts Production The WGS-1 satellite operates over the Pacific region. Once the full constellation of 6 WGS satellites is operational, they will replace the DSCS system. (Courtesy of Boeing), WIDEBAND GLOBAL SATCOM SATELLITE 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. The Air Force Space Command estimates each satellite will cost approximately US$300 million. 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. It was followed by the launch of the WGS-5 in May 2013 and that of the WGS-6 in August 2013. Boeing will build the WGS-11+ satellite at its facility in El Segundo, California, US. Delivers IP-based voice, video, and data networking Set up and point the terminal in 30 minutes or less Ruggedized, packable, lightweight terminal With a simple feed-arm swap, the Viasat MMT operates over commercial Ku-, WGS Ka-, ViaSat-1 and ViaSat-2 Ka-, and commercially available X-band constellations. Timezone: 51.51N The ground segment is a critical part of the end-to-end science data return, and it includes all the ground-based elements that are used to collect and disseminate information from the satellite to the user (figure 11.1). Block I contains WGS-1, WGS-2 and WGS-3 satellites, while block II satellites include WGS-4, WGS-5 and WGS-6. 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 is based on Boeings BSS-702HP satellite platform, the high-power configuration of the 702 bus that can support the most powerful communications payloads with state of the art onboard systems including precise pointing capability and the use of flight-proven components and built-in redundancy to ensure the satellite meets its in-orbit lifetime of 15 years. The Wideband Global SATCOM (WGS) system, previously known as the wideband gapfiller satellite system, is a high-capacity communication satellite. The system provides tremendous operational flexibility and delivers the needed capacity, coverage, connectivity and control in support of demanding operational scenarios. The engine is 0.55 meters long and 0.28 meters in diameter with an unfueled mass of 3.63 kilograms. The very first Wideband Gapfiller in orbit will provide greater capability and bandwidth than all the DSCS satellites combined. [7] Once in their orbits at an altitude of 35,900km (22,300mi), each will weigh approximately 3,400kg (7,500lb). Mission Boeing Satellites - Building the Future of Connectivity Together The military's Protected Tactical Waveform is expected to run on the WGS satellites. Due to the early loss of a MILSTAR satellite, DOD committed to the purchase of 4 AEHF satellites plus one spare. Dominic Hover over the logos to learn more about the companies who made this project possible. For more information including contact details, Wideband Global SATCOM Satellite - United States Space Force Please make a donation to support Gunter's Space Page. Both the X- and Ka-bands are interconnected through a digital channeliser and provide better connectivity in WGS. WGS84 - GIS Wiki | The GIS Encyclopedia 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 Option for WGS4 and 5 was exercised in November 2006. WGS was developed to replace the legacy 14-satellite US Defense Satellite Communications System (DSCS) constellation, launched from 1982 to 2003. The third SOPS controls the spacecraft platform via unique software and databases designed by Boeing and fitted on the command and control segment consolidated (CCS-C) systems supplied by Integral Systems. On 3 October 2007, Australia's Department of Defence announced that the country would fund a sixth satellite in the constellation. The new satellite is destined to join a constellation of 10 other WGS satellites in high geosynchronous Earth orbits providing communications to deployed forces. WGS6 was ordered in 2007 by Australia, which will get access to the WGS system in return. Data can be delivered in the form of unclassified, in-the-clear broadcast signals and fully encrypted signals received by large platforms on ships and aircraft down to communications packages carried by individual soldiers. Although ion thrusters deliver a very low thrust, they are extremely efficient and consume only a very small amount of propellant. 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 . Follow WGS 6 (USA 244) live! Installation of satellite TV; Satellite News; TV of the world; Contacts; Search. Sens. Originally five satellites were planned. Satellite Image Providers: Free Imagery Sources In 2023 The company is also investing in a low-orbiting satellite approach that could offer connectivity at a more rapid speed than currently available. If the WGS Program did not go forward, DoD satellite communication capabilities would be at risk and would not be adequate to meet DoD's future and increasing communication requirements. Advancing Military SATCOM Through WGS 11+ - SIGNAL Magazine This year, resiliency is baked into all the conversations, said assistant secretary of Defense for space policy John, The Space Force and the Pentagon have put considerable effort into making proliferating satellite constellations to make them more resilient against attack, but the ground stations and networks that communicate with those satellites pose a backdoor risk through which adversaries could potentially attack space capability, said Chief of Space Operations, The Space Force must transition from delivering behind-the-scenes support to playing a more active role in which space capabilities are continuously tested and contestedand it must do so in as short a time as possible, said Chief of Space Operations Gen. B. [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 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]. 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. Launches 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. Aug. 7, 2013 WGS hosts a powerful communications payload for secure and fault-proof communications. SATCOM Services. A coverage footprint of 200-400 miles diameter; coverage may require a constellation approach; The WGS satellites were built on a Boeing 702 spacecraft with 13kW of power and flexible coverage areas. Fast Smooth. 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. Logicon provides communications software and SAIC extends engineering and communications architectures. 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. 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). WGS-2: 60.2E: Ka: Intelsat 33e: 60.0E: C/Ku: KazSat 3: 58.5E: Ku: NSS-12: 57.0E: C/Ku: Express-AT1: 56.0E: Ku: G-Sat 8/16: . Find a coordinate system and get position on a map. One of the NATO systems using satellite communications from NSS6G is the Alliance Ground Surveillance (AGS) system. WGS was initiated to deliver newer and greater capabilities to the warfighter by deploying a constellation of high-throughput satellites to Geostationary Orbit. These satellites operate in the programmed X- and Ka-band frequency spectrum. The digital channeliser also offers multicast and broadcast services to support the network protocol. It carries Ka-band and X-band transponders with 8.088 gigahertz of bandwidth offering downlink speeds of up to 11gigabits per second. 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. Sustainable aviation fuel (SAF): the future fuel of aircraft? PDF Performance of GBS over WGS1, 2, 3 using DVB-S and DVB-S2 - DTIC Satellite Coverage Maps Satellite Frequencies The following graphs show the coverage of each individual satellite. WGS satellites are a follow-on to the current Defense Satellite Communications System satellites, but they offer a tenfold capability improvement in available bandwidth. December 22, 2016. 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. In addition to providing improvements in X-band capability, WGS satellites also have a new Ka band capability that can be used for both two-way and Global Broadcast Service communications. Phase III is an Objective capability planned as part of the Advanced Wideband System (AWS) I FY 2009-Plus. March 15, 2019 Boeings team agreed to supply the satellites, spacecraft and payload control equipment under the deal, as well as logistics, training and sustained engineering support. HOME / SATELLITES / Satellite Coverage Maps . WGS-11+ Satellite Completes Preliminary Design Review Longitude: General Characteristics The original RD-4 was developed as an attitude control thruster for the Apollo Service and Lunar Lander modules. 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. @media only screen and (min-device-width : 320px) and (max-device-width : 480px) { 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.