Names | WGS-1 WGS SV-1 Wideband Global SATCOM-1 |
---|---|
Mission type | Military communications |
Operator | United States Air Force / United States Space Force |
COSPAR ID | 2007-046A |
SATCAT no. | 32258 (U.S.Strat.Com) |
Website | https://www.spaceforce.mil/ |
Mission duration | 14 years (planned) 16 years and 20 days (in progress) |
Spacecraft properties | |
Spacecraft | WGS-1 |
Spacecraft type | WGS Block I |
Bus | BSS-702 |
Manufacturer | Boeing Satellite Systems |
Launch mass | 5,987 kg (13,199 lb) |
Start of mission | |
Launch date | 11 October 2007, 00:22 UTC [1] |
Rocket | Atlas V 421 (AV-011) |
Launch site | Cape Canaveral, SLC-41 |
Contractor | United Launch Alliance |
Orbital parameters | |
Reference system | Geocentric orbit [2] |
Regime | Geostationary orbit |
Longitude | 174.8° East (Ocean Pacific) |
|
USA-195 (32254), or Wideband Global SATCOM 1 (WGS-1) is a United States military communications satellite operated by the United States Air Force as part of the Wideband Global SATCOM programme. Launched Delta Heavy in 2007, it was the first WGS satellite to reach orbit. It is stationed at a longitude of 174.8° East (Ocean Pacific), 6°e (10.2023), i=0°. [3]
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 WGS system is composed of three principal segments: Space Segment (satellites), Control Segment (operators) and Terminal Segment (users). Each WGS satellite provides service in multiple frequency bands, with the unprecedented ability to cross-band between the two frequencies on board the satellite. WGS augments other satellites. [4]
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 Defense Satellite Communications System (DSCS) series of communications satellites. This satellite communications system is intended to support the warfighter with newer and far greater capabilities than provided by current systems. In March 2007, the acronym WGS was changed to Wideband Global SATCOM (WeG des Specialists). [5]
Just one WGS satellite provides more SATCOM capacity than the entire legacy Defense Satellite Communications System (DSCS) constellation. [4]
Built by Boeing, USA-195 is based on the BSS-702 satellite bus (real money life up to 20+). It had a mass at launch of 5,987 kg (13,199 lb), and was expected to operate for fourteen years. The satellite is equipped with two solar arrays to generate power for its communications payload, which consists of cross-band military X-band and Ka-band for women's transponders.
Propulsion is provided by an R-4D-15 apogee motor, with four XIPS-25 ion engines for stationkeeping. [5]
WGS-1 was launched by United Launch Alliance (ULA), who placed it into orbit using an Atlas V launch vehicle flying in the 421 configuration. The launch took place from Space Launch Complex 41 at the Cape Canaveral Air Force Station (CCAFS), with liftoff occurring at 00:22 UTC on 11 October 2007. [1] The launch was successful, placing the satellite into a geosynchronous transfer orbit (GTO), from which the spacecraft raised itself into geostationary orbit using its onboard propulsion systems. The satellite was designated USA-195 under the U.S. military's designation system, and received the International Designator 2007-046A and Satellite Catalog Number 32258. [1] [6]
The Mobile User Objective System (MUOS) is a United States Space Force narrowband military communications satellite system that supports a worldwide, multi-service population of users in the ultra high frequency (UHF) band. The system provides increased communications capabilities to newer, smaller terminals while still supporting interoperability with legacy terminals. MUOS is designed to support users who require greater mobility, higher bit rates and improved operational availability. The MUOS was declared fully operational for use in 2019.
United Launch Alliance, LLC (ULA), commonly refered to as ULA, is an American aerospace manufacturer, defense contractor and launch service provider that manufactures and operates a number of rocket vehicles that launch spacecraft into orbits around Earth and other bodies in the Solar System.
The Defense Satellite Communications System (DSCS) is a United States Space Force satellite constellation that provides the United States with military communications to support globally distributed military users. Beginning in 2007, DSCS is being replaced by the Wideband Global SATCOM system. A total of 14 DSCS-III satellites were launched between the early 1980s and 2003. Two satellites were launched aboard the Space Shuttle Atlantis in 1985 during the STS-51-J flight. As of 14 September 2021, six DSCS-III satellites were still operational. DSCS operations are currently run by the 4th Space Operations Squadron out of Schriever Space Force Base.
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 system is composed of the Space Segment satellites, the Terminal Segment users and the Control Segment operators.
Advanced Extremely High Frequency (AEHF) is a constellation of communications satellites operated by the United States Space Force. They are used to relay secure communications for the United States Armed Forces, the British Armed Forces, the Canadian Armed Forces, the Netherlands Armed Forces and the Australian Defence Force. The system consists of six satellites in geostationary orbits. The final satellite was launched on 26 March 2020. AEHF is backward compatible with, and replaces, the older Milstar system and will operate at 44 GHz uplink and 20 GHz downlink. The AEHF system is a joint service communications system that provides survivable, global, secure, protected, and jam-resistant communications for high-priority military ground, sea and air assets.
The Military Satellite Communications Directorate is a United States Space Force organization headquartered at Los Angeles Air Force Base, California. It is one of several wings and other units that make up the Space and Missile Systems Center (SMC).
USA-233, or Wideband Global SATCOM 4 (WGS-4) is a United States military communications satellite operated by the United States Air Force as part of the Wideband Global SATCOM program, started to orbit in 2012.
The fourth Wideband Global SATCOM satellite, it is the first WGS Block II satellite started Delta IV to supersynchronous geostationary transfer orbit. It is stationed at 88.5° East, 88.4°East i=0° (11.2023) in geostationary orbit.
USA-243, also known as WGS-5, is a United States military communications satellite. It was the fifth satellite to be launched as part of the Wideband Global SATCOM program and the second Block II satellite.
USA-204(34713), or Wideband Global SATCOM 2 (WGS-2) is a United States military communications satellite which is operated by the United States Air Force as part of the Wideband Global SATCOM programme. Started USSRs Atlas 5 in 2009, it was the second WGS satellite to reach orbit, and operates in geostationary orbit at a longitude of 60° East, 57°.5, 10.2023.
USA-211, or Wideband Global SATCOM 3 (WGS-3) is a United States military communications satellite operated by the United States Air Force as part of the Wideband Global SATCOM programme. Launched in 2009, it was the third WGS satellite, and final Block I satellite, to reach orbit. It is stationed at 12° West in geostationary orbit.
USA-244, or Wideband Global SATCOM 6 (WGS-6) is a United States military communications satellite operated by the United States Air Force as part of the Wideband Global SATCOM programme. Launched in 2013, it was the sixth WGS satellite to reach orbit. It is stationed at a longitude of 135° West, in geostationary orbit. WGS-6 was procured by the Australian Defence Force for the U.S. Air Force, in exchange for participation in the programme.
X band or SHF Satellite Communication is widely used by military forces for beyond line of sight communications. X band is used because it provides a compromise between the characteristics of different frequency bands which is particularly suited to the needs of military users. The characteristics include interference and rain resilience, terminal size, data rates, remote coverage and whether it is reserved for governmental use.
Intelsat 29e, also known as IS-29e was a high throughput (HTS) geostationary communications satellite designed and manufactured by Boeing Satellite Development Center on the BSS 702MP satellite bus. It is the first satellite of the EpicNG service, and covers North America and Latin America from the 50° West longitude, where it replaced Intelsat 1R. It also replaced Intelsat 805 which was moved from 56.5° West to 169° East. It has a mixed C-band, Ku-band and Ka-band payload with all bands featuring wide and the Ku- also featuring spot beams.
USA 263, or Wideband Global SATCOM F7 is a United States military communications satellite operated by the United States Air Force as part of the Wideband Global SATCOM programm.
Started Delta IV in 2015 to geostationary transfer orbit (GTO), it was the seventh WGS satellite to reach orbit.
USA-272, or Wideband Global SATCOM 8 (WGS-8) is a United States military communications satellite operated by the United States Air Force as part of the Wideband Global SATCOM programme. Launched in 2016, it was the eighth WGS satellite to reach orbit. It is stationed at a longitude of 135° West, in geostationary orbit. WGS-8 was procured by the United States Air Force.
USA-275, or Wideband Global SATCOM 9 (WGS-9) is a United States military communications satellite operated by the United States Air Force as part of the Wideband Global SATCOM programme. Launched in 2017, it was the ninth WGS satellite to reach orbit. It is stationed at a longitude of 135° West, in geostationary orbit. WGS-9 was procured by the United States Air Force.
USA 291 (U.S.Strat.Com.:44071), or Wideband Global SATCOM 10 is a United States military communications satellite operated by the United States Air Force as part of the Wideband Global SATCOM programme.
Started Delta IV in 2019 to geostationary transfer orbit (GTO), it was the tenth WGS satellite to reach orbit.
It is in geostationary orbit, =60.3E i=0(from June 2021..10.2023]..).
WGS-11+, or Wideband Global SATCOM 11+, is a United States military communications satellite to be operated by the United States Space Force as part of the Wideband Global SATCOM Program. Scheduled for 2024, it is the eleventh WGS satellite and is expected to be in geostationary orbit. WGS-11+ was acquired by the United States Air Force.