MUOS-2 - Atlas V 551 - Canaveral SLC-41 - 19.07.2013 13:00 UTC

[Salo]

July 19 - MUOS-2 - Atlas V 551 - Canaveral SLC-41

[Salo]

http://space.skyrocket.de/doc_sdat/muos-1.htm

MUOS 1, 2, 3, 4, 5


MUOS [Lockheed Martin]

MUOS (Mobile User Objective System) is a next-generation narrowband tactical satellite communications system designed to significantly improve ground communications for U.S. forces on the move.

The new communications system, slated to become operational in 2010, would provide 10 times more throughput, or volume of information that can be transmitted, than the current UFO System, and will provide the US troops a much more reliable way to communicate, as it is not affected by weather, environmental constraints or foliage.

Under the new system, even troops in the most remote locations or buildings with no satellite access would see a big increase in communications capabilities, industry sources said.

In September 2004 the Lockheed team was selected against the Raytheon team.

Lockheed Martin Space Systems, Sunnyvale, Calif. the MUOS prime contractor and system integrator, was recently awarded a $2.1 billion contract to build the first two satellites and associated ground control elements by the U.S. Navy Space and Naval Warfare Systems Command (SPAWAR), on behalf of the Program Executive Office – Space Systems, San Diego, Calif. The contract also provides for options on three additional spacecraft. With all options exercised, the contract for up to five satellites has a total potential value of $3.26 billion.

MUOS satellites will be developed at the company's Commercial Space Systems unit in Newtown, Pa.; final assembly and test will occur in Sunnyvale. Lockheed Martin's award-winning A2100 bus, which has achieved over 100 years of on-orbit service, will serve as the MUOS spacecraft platform.

    General Dynamics C4 Systems, Scottsdale, Ariz., which will lead the user-entry and integrated ground segments of the MUOS program, supplying a secure ground network, satellite control and network management, and a JTRS-compliant terminal solution.
    Boeing Satellite Systems (BSS), El Segundo, Calif.; The satellite-manufacturing arm of Boeing Integrated Defense Systems will provide the legacy UHF payload.
    Ericsson, Plano, Texas. The leader in 2G and 3G mobile technology systems will provide portions of the integrated ground segment.
    Harris Corporation, Melbourne, Fla. A world leader in spaceborne, unfurlable mesh reflectors, Harris will provide the large reflectors for the MUOS program. The reflectors, two per satellite, will be manufactured at Harris facilities as part of the MUOS geo-synchronous satellite's ultra high-frequency (UHF)-band antenna system.

The planned launch of the first MUOS satellite was delayed to 2012 after a part of the budget was used to fund operations in Iraq.

The program is valued at $6.4 billion over its lifespan, which could run through 2024.

Nation:    USA
Type / Application:    Comsat
Operator:    US Navy
Contractors:    Lockheed Martin (Prime), Boeing, General Dynamics
Equipment:    ?
Configuration:    A2100M ?
Propulsion:    IHI BT-4
Power:    2 deployable solar arrays, batteries
Lifetime:    
Mass:    6740 kg; 3812 kg (dry)
Orbit:    GEO

[интересующийся]

http://www.lockheedmartin.com/us/news/press-releases/2013/april/409-ss-muos.html

SUNNYVALE, Calif., April 9, 2013 – Lockheed Martin [NYSE: LMT] has integrated two of the most important components onto its fourth Mobile User Objective System (MUOS) satellite for the U.S. Navy. Recently engineers mated the multi-beam assembly, which hosts 16 ultra-high frequency (UHF) antennas for distributed, global communications coverage. Earlier this year, the team delivered and integrated the vehicle's communications system module. With bus and payload now together, the satellite is entering its first system check-outs before progressing to environmental test.
Supporting UHF satellite communications, MUOS will provide mobile warfighters with assured communications, including the new capability of simultaneous voice, video and data for mobile users.
"MUOS-4 is gleaning the benefits of the lessons learned fr om the first three vehicles," said Iris Bombelyn, vice president of Lockheed Martin's Narrowband Communications mission area. "We continue to focus on reducing risk, maintaining efficient operations and delivering a flawless vehicle to our customer. Our execution on the ground is complemented by our performance on orbit, wh ere our first satellite is already in position and performing exceptionally."
Designed and built by Lockheed Martin in Newtown, Pa., and delivered to the company's facilities in Sunnyvale, Calif., the antenna and system module enable communications coverage using the wideband code division multiple access standard. This provides a 16-fold increase over legacy UHF communications in the number and capacity of satellite links.
The first MUOS satellite and associated ground system already provide legacy UHF communications capability. The second MUOS satellite recently completed system testing and is undergoing final preparations for shipping, then launch in July. The third spacecraft is progressing through environmental testing. The five-satellite, global constellation is planned to achieve full operational capability in 2016.
Lockheed Martin is under contract to deliver four MUOS satellites plus a spare and the associated ground system to the U.S. Navy. Lockheed Martin Space Systems in Sunnyvale is the MUOS prime contractor and system integrator. The Navy's Program Executive Office for Space Systems, Chantilly, Va., and its Communications Satellite Program Office, San Diego, Calif., are responsible for the MUOS program.

[ОАЯ]

Напомним себе:
Mobile User Objective System (MUOS) - Достаточно четырех спутников – один запасной:
Pacific Sat – 177W   CONUS Sat – 100W  Atlantic Sat – 15,5W  On-Orbit Spare Sat – 72E  Indian Sat – 75E   ($ 3,26 миллиарда).
Компания компаний:
Lockheed Martin Space Systems, Саннивейл, Калифорния - системный интегратор.
Создание в Newtown, Пенсильвания, окончательная сборка и испытания в Саннивейл.
General Dynamics C4 Systems (Скоттсдейл, штат Аризона  является подразделением  General Dynamics (NYSE: GD) президент Chris Marzilli. – решения радиотракта.
Ericsson, Plano, Texas - 3G мобильных систем интегрированного наземного сегмента.
Boeing Satellite Systems (BSS), El Segundo, Calif. – фсе в спутнике.
Northrop Grumman Corporation (NYSE:NOC), Aurora, Colorado. – навигационные системы.
InterDigital, Valley Forge PA - разрабатывает 3G сети для General Dynamics C4 Systems
Epsilon Systems Solutions San Diego, CA  - Наземное оборудование обслуживания объектов.
Pinnacle Network Systems, Virginia Beach, Va. – сетевые решения.
Raytheon Company - ?
Четыре опорных наземные станции – по одной на спутник: Западная Австралия; Сицилия Италия, Юго-Восточная Вирджиния, Гаваи. Работают со спутниками на частотах  10,7 — 18,0 ГГц, (Ku), 18,3–18,8 и 19,7–20,2 ГГц для линии Спутник — Земля, и 27,5-31 ГГц для линии Земля – Спутник (Ka). Не понятно будут спутники использовать 7,0 — 10,7 ГГц?
Разбиение диапазонов – 39 каналов по  125-МГц с последующей маршрутизацией.
Узел обеспечивает 1900 независимо маршрутизируемых 2.6MHz подканалов многоадресных и широковещательных услуг по сетевому протоколу. Связь между наземными станциями связь через Defense Information Systems Network (DISN) наземную инфраструктуру MUOS или Интернет.
Для работы  используются частоты UHF (20,2...21,2 ГГц с уплотнением в две 90градусные поляризации)
Типовой наземный узел: приемник - 32 канала WCDMA (5 Мбит/с – голос, видео, текст, сотовый стандарт), демодулируется при достоверности выше десяти в минус 5 степени. http://202.194.20.8/proc/MILCOM08/Milcom08/pdfs/2142.pdf

Связь с мобильными устройствами  1850-1910 МГц , 1920-1980МГц. Обмен данными адаптирован с 3G сетями  Code Division Multiple Access (WCDMA) и Universal Mobile Telecommunications System (UMTS). Спектр UHF превратился в рабочую лошадку военных. Сейчас действуют более чем 20 000 UHF терминалов. По расчету потребуется 100 000.
Примеры практического решения на базе:
- военной радиостанции PRC-155 (2 MHz – 2.5 GHz (banded  2 канала по 20 ватт) http://www.gdradios.com/ANPRC-155.cfm . Модифицируется сменный усилитель мощности и ПО в части криптографии.($ 5 млн на все модернизации всех PRC-155).
- Системы связи AN/USC-61(C) http://www.gdc4s.com/dmr
Интернет пестрит объявлениями о найме на работу инженеров для обслуживания MUOS системы. Принимают даже не граждан США. Например, предлагают работу радиоинженерам на Гаваях - http://honolulu.jobing.com/general-dynamics/field-service-engineer-muos-program-wahiawa-hi
http://honolulu.jobing.com/general-dynamics/field-service-engineer-rf-muos-program-wahiawa-hi
Использованная литература

 http://202.194.20.8/proc/MILCOM08/Milcom08/pdfs/2142.pdf
http://en.wikipedia.org/wiki/W-CDMA_(UMTS)
http://en.wikipedia.org/wiki/Mobile_User_Objective_System
http://202.194.20.8/proc/MILCOM08/Milcom08/pdfs/188.pdf
http://www.gdc4s.com/dmr
http://202.194.20.8/proc/MILCOM08/Milcom08/pdfs/2142.pdf
http://honolulu.jobing.com/general-dynamics/field-service-engineer-muos-program-wahiawa-hi
http://honolulu.jobing.com/general-dynamics/field-service-engineer-rf-muos-program-wahiawa-hi

[Дмитрий]

А кто знает точки стояния спутников? Где сейчас MUOS-1 и где будет стоять второй?

[G.K.]

Ну ответ на первый вопрос вы можете получить при помощи программы "Орбитрон", базы МСЭ и логики, а вот второй- пока ничего вроде не пробегало.

[Брабонт]

Dimon1305 пишет:
 Где сейчас MUOS-1 ?

Крайний выпуск Европейского классификатора подсказывает, что Новый год MUOS встречал на геодезической долготе 177 з.д.

[Salo]

http://www.spaceflightnow.com/atlas/av040/stacking.html#.Ubgyy9jgnpM

Atlas 5 stacked for Navy satellite launch in July
BY JUSTIN RAY
SPACEFLIGHT NOW
Posted: June 11, 2013

 The most powerful version of the United Launch Alliance Atlas 5 rocket has been assembled at Cape Canaveral to deploy the second satellite in the Navy's new mobile communications system.


File image of solid boosters being attached to Atlas 5. Credit: NASA-KSC

Спойлер

The massive rocket, equipped with five strap-on solid-fuel boosters, will lift the 15,000-pound Mobile User Objective System satellite into orbit July 19 during a morning window of 8:51 to 9:35 a.m. EDT (1251-1335 GMT). It will be the year's fifth Atlas, the third for the Pentagon and the first using the expansive five-meter-diameter nose cone and solid motors.
This rocket is known as the 551 configuration of the multi-varient Atlas 5 family, which is tailored with different sized nose cones and strap-on solids to match the cargo's mass, size and targeted destination.
ULA provided this cutaway illustration that shows the elements of the rocket.
Previous uses of the high-energy configuration have hurled NASA probes on paths to Pluto in 2006 and Jupiter in 2011 and successfully heaved the first MUOS satellite to space last year.
ULA technicians began stacking this latest rocket at the Vertical Integration Facility with erection of the first stage on May 29. Its RD-180 main engine will burn a highly refined kerosene fuel and liquid oxygen.
Known as the Common Core Booster, the 106.6-foot-long stage was rotated vertical, then maneuvered into the building and stood upright on the mobile platform that rolls to the pad for launch.
The next several days were spent installing the five solid rocket boosters to the attachment fixtures on the first stage. Built by Aerojet, the motors ignite at liftoff to deliver a power boost in thrust.
In the case of MUOS, the solids enable the Atlas to carry a much heavier payload than is otherwise possible.
Once the interstage hardware was set in place, workers on Tuesday hoisted the 41.5-foot-long Centaur upper stage atop the first stage. It will be enclosed within the rocket's large nose cone for the initial minutes of ascent through the atmosphere.

[свернуть]

File image of Centaur upper stage being attached to Atlas 5. Credit: NASA-KSC

Спойлер

Centaur's single RL10 engine, fueled by liquid hydrogen and liquid oxygen, will perform three burns to reach the desired geosynchronous transfer orbit for deployment of MUOS 2. The spacecraft is undergoing processing at its own cleanroom facility for final testing, fueling and encapsulation in the rocket's nose cone.
After the Atlas goes to the pad at the end of this month for a countdown dress rehearsal, it will be brought back to the assembly building to be fitted with the MUOS 2 satellite in early July.
Built by Lockheed Martin, the MUOS 2 spacecraft will continue the orbital construction of the Navy's planned five-satellite fleet to provide cellphone-like communications.
MUOS will offer 10 times greater communications capacity to the mobile warfighter over the Navy's current generation of Ultra High Frequency Follow-On spacecraft to relay narrowband tactical information such as voice calls, data messaging, file transfers and email.
The sophisticated MUOS system was designed around the commercial third-generation cellular telephone architecture to substantially increase the number of users and amount of communications that can be routed to military forces.
"MUOS 2 will add on-orbit military satellite communication that is heavily in demand. Our first space vehicle has performed exceptionally on orbit, providing legacy payload voice calls at full capacity. In fact, we recently demonstrated mobile data and voice transmissions using our advanced payload," said Iris Bombelyn, vice president of Narrowband Communications at Lockheed Martin.
The upcoming launch will be ULA's 72nd since its formation in December 2006

[свернуть]

[Space Alien]

The second Mobile User Objective System satellite is prepared for launch at Cape Canavaral Air Force Station, Fla., in June 2013. It is the last time the satellite can be visible before encapsulated in its fairing.

http://www.flickr.com/photos/lockheedmartin/9151897221/in/photostream/

[Salo]

http://www.spaceflightnow.com/atlas/av040/payload/#.UdsZAKzzPTo

Navy satellite hoisted aboard Atlas 5 launch vehicle
BY JUSTIN RAY
SPACEFLIGHT NOW
Posted: July 8, 2013
 
 The second satellite in the orbital assembly of the U.S. Navy's new mobile communications network was being loaded atop its United Launch Alliance Atlas 5 rocket booster today at Cape Canaveral.


File image of first MUOS being lifted atop Atlas. Credit: United Launch Alliance

Liftoff is scheduled for July 19 during a morning window of 8:51 to 9:35 a.m. EDT (1251-1335 GMT) fr om Complex 41. At nearly 15,000 pounds, the Mobile User Objective System satellite is a hefty cargo requiring the most powerful version of the Atlas 5 to carry the payload into a highly elliptical geosynchronous transfer orbit.
The 551 configuration of the Atlas features five strap-on solid-fuel boosters and the five-meter-diameter nose cone. Previous flights have included hurling NASA's New Horizons probe to Pluto and Juno to Jupiter.
ULA created this cutaway illustration that shows the elements of the rocket.
It will be the fifth Atlas 5 of the year, the 39th in the past decade and the second for the MUOS series following the successful first deployment in February 2012.
The Atlas 5 and its Centaur upper stage will deliver the MUOS 2 spacecraft into a preliminary orbit about three hours after liftoff, allowing the Lockheed Martin-built satellite to begin its independent series of maneuverings to achieve a geosynchronous orbit 22,300 miles above Earth.
MUOS is a next-generation space communications system that utilizes commercial 3G cell phone technology to provide voice, data and video services to military troops on the move.
Each MUOS satellite is likened to a cell tower in the sky to serve ships, submarines, aircraft, land vehicles and terminals in the hands of troops. The design enables increases in the number of users and amount of communications that can be routed to military forces in contrast to current satellites.
When completed by 2017, the MUOS constellation will feature four primary birds and one spare in orbit to ring the planet and provide capacity, availability and global coverage for mobile military communications like never before.


An artist's concept of MUOS. Credit: Lockheed Martin
 
 MUOS 2 arrived in Florida on May 13 after being flown on an Air Force C-5 transport aircraft from Lockheed Martin's satellite factory in Sunnyvale, Calif. Unloading at the Shuttle Landing Facility, the craft was taken to the commercial Astrotech satellite processing campus in nearby Titusville for final testing, the loading of propellants and encapsulation within the rocket's payload fairing.
Crews early Monday moved the satellite across Kennedy Space Center and down to the Vertical Integration Facility wh ere the Atlas awaited the arrival of its cargo. MUOS was hoisted atop the rocket to begin the connection process and complete the assembly of the 206-foot-tall launcher.
A tip-to-tail electrical check, called the combined systems test, will be run this week to verify all is in readiness for flight.
Rollout of the Atlas 5 aboard its mobile platform to the launch pad is planned for July 17. The launch team will initiate the seven-hour countdown in the early morning hours of July 19.

[Salo]

http://www.spaceflightnow.com/atlas/av040/launchtimeline.html#.UdsaZKzzPTo

Atlas/MUOS 2 launch timeline
BY SPACEFLIGHT NOW
Posted: July 8, 2013

T-00:02.7    Engine Start
The Russian-designed RD-180 main engine is ignited and undergoes checkout prior to launch.

T+00:01.1    Liftoff
The five strap-on solid rocket boosters are lit as the Atlas 5 vehicle lifts off and begins a vertical rise away fr om Complex 41 at Cape Canaveral Air Force Station, Florida.

T+01:44.8    Jettison SRBs
Having burned out of propellant approximately 15 seconds earlier, the spent solid rocket boosters are jettisoned to fall into the Atlantic Ocean. The separation event is staggered with two motors releasing first, then the others about 1.5 seconds later.

T+03:11.5    Nose Cone Jettison
The payload fairing that protected the MUOS 2 spacecraft during launch is separated once heating levels drop to predetermined lim its after passage through the atmosphere.

T+03:16.5    Forward Load Reactor Jettison
The Forward Load Reactor deck that supported the payload fairing's structure to Centaur upper stage is released five seconds after the shroud's jettison.

T+04:21.0    Main Engine Cutoff
The RD-180 main engine completes its firing after consuming its kerosene and liquid oxygen fuel supply in the Atlas first stage.

T+04:27.0    Stage Separation
The Common Core Booster first stage of the Atlas 5 rocket separates from the Centaur upper stage. Over the next few seconds, the Centaur engine liquid hydrogen and liquid oxygen systems are readied for ignition.

T+04:36.9    Centaur Ignition 1
The Centaur RL10 engine ignites for the first of three upper stage firings. This burn will inject the Centaur stage and MUOS spacecraft into an initial parking orbit.

T+12:23.8    Centaur Cutoff 1
The Centaur engine shuts down after arriving in a planned low-Earth parking orbit of 90 by 340 nautical miles at 28 degrees inclination. The vehicle enters an 8-minute coast period before arriving at the required location in space for the second burn.

T+20:22.8    Centaur Ignition 2
The Centaur re-ignites to accelerate the payload into a highly elliptical transfer orbit from the parking altitude achieved earlier in the launch sequence.

T+26:18.5    Centaur Cutoff 2
At the conclusion of its second firing, the Centaur will have ascending into a 105 by 18,600 nautical mile orbit inclined 26 degrees to begin a two-and-a-half-hour coast.

T+2:48:54.6    Centaur Ignition 3
A final push by Centaur is ignited to raise the orbit's low point and reduce orbital inclination for the MUOS spacecraft.

T+2:49:53.7    Centaur Cutoff 3
The powered phase of flight is concluded as the Centaur reaches the planned geosynchronous transfer orbit of 2,053 by 19,323 nautical miles and 19.1 degrees inclination.

T+2:53:32.7    Spacecraft Separation
The U.S. Navy's second Mobile User Objective System spacecraft, MUOS 2, is released into orbit from the Centaur upper stage to complete the launch.

Data source: United Launch Alliance.

[Salo]

http://www.spaceflightnow.com/atlas/av040/groundtrack.html#.Udsa7qzzPTo

[Space Alien]

In preparation for launch, the U.S. Navy's second Mobile User Objective System (MUOS-2) satellite is encapsulated inside a United Launch Alliance Atlas V 5-meter diameter payload fairing.

[Space Alien]

del

[che wi]

Окно для запуска: 12.48-13.32 GMT согласно http://www.spaceflightnow.com/tracking/

[интересующийся]

http://www.lockheedmartin.com/us/news/press-releases/2013/july/0716-ss-MUOS-2Pre.html

CAPE CANAVERAL AIR FORCE STATION, Fla., July 16, 2013 --- The U.S. Navy and Lockheed Martin [NYSE : LMT] are ready to launch the second Mobile User Objective System (MUOS) satellite here on Friday, July 19 aboard a United Launch Alliance Atlas V rocket. The launch window is between 8:48 a.m. and 9:32 a.m. EDT.

 A live launch broadcast will begin at 8:28 a.m. EDT and will be accessible via the ULA webcast.

 "This is a proud moment for the MUOS team," said Iris Bombelyn, Lockheed Martin vice president of Narrowband Communications. "It takes a lot of detailed and dedicated work to get us here from a team that spans suppliers, engineers, technicians, customer and subcontractors. I'm proud of their efforts, and we look forward to the difference MUOS will make for mobile users."

 MUOS satellites feature a Wideband Code Division Multiple Access payload that incorporates commercial technology designed to provide 16 times the number of accesses above requirements for the legacy UHF Follow-On system. The satellites also include a hosted legacy UHF payload that will be fully compatible with the current ultra-high frequency system and legacy terminals.

 The geosynchronous constellation consists of four satellites and one on-orbit spare, which are expected to achieve full operational capability in 2015, extending UHF narrowband communications availability well past 2025.

Lockheed Martin Space Systems, Sunnyvale, Calif., is the MUOS prime contractor and system integrator. The Navy's Program Executive Office for Space Systems, Chantilly, Va., and its Communications Satellite Program Office, San Diego, Calif., are responsible for the MUOS program.

[Salo]

Брошюра:
http://forum.nasaspaceflight.com/index.php?action=dlattach;topic=30875.0;attach=533430

[Salo]

Погода пока не радует:

http://forum.nasaspaceflight.com/index.php?topic=30875.msg1075116#msg1075116

L-4 Upd ate Memo - ULA MEDIA UPDATE: ULA Atlas V MUOS-2 Launch Set for July 19, 8:48 a.m. EDT

Good evening,

Everything is progressing for the U.S. Navy's Mobile User Objective System- 2 (MUOS-2) launch. The mission is se t to liftoff on a ULA Atlas V on Friday, July 19 from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. The 44-minute launch window opens at 8:48 a.m. EDT. Today's L-4 forecast shows a 40 percent chance of favorable weather conditions for launch.

Weather Forecast

Overall probability of violating weather constraints:
60%; Primary concern(s): Cumulus Clouds, Anvil Clouds

Overall probability of violating weather constraints for 24 hour delay:
30%; Primary concern(s): Cumulus Clouds

[Space Alien]

Atlas V MUOS-2 Encapsulated Payload Lift and Mate

[Space Alien]

ULA's Atlas V rolls to the pad.