View source for HS-376

{{Short description|Communications satellite bus}}
{{Infobox spacecraft class
| name                 = Boeing 376
| image                =
| image_size           =
| image_alt            =
| image_caption        =
| manufacturer         =[[Boeing Satellite Development Center]]
| designer             =
| country              =United States
| operator             =
| applications         =[[Communications satellite]]
<!--Specifications-->
| spacecraft_type      = [[Spin-stabilized satellite|Spin-stabilized]]
| spacecraft_bus       =
| constellation        =
| design_life          =
| launch_mass          =
| dry_mass             =
| payload_capacity     =
| crew_capacity        =
| dimensions           =
| volume               =
| power                =  800 to 2,000&nbsp;[[Watt]]s
| batteries            =
| equipment            =
| orbits               =
<!--Production-->
| status               =Retired
| built                =58
| orders               =58
| launched             =58
| operational          =
| retired              =
| failed               =
| lost                 =
| first                = [[Anik C1]] April 12, 1985
| last                 = [[Eutelsat 31A|eBird 1]] September 27, 2003
| lastretired          =
<!--Related spacecraft-->
| derivedfrom          =[[HS-333]]
| derivatives          =[[HS-393]]
| subsatellites        =
| subsatellite_of      =
| flown_with           = <!--other non-derived or non-subsatellite craft (e.g. Gemini Target Vehicle, Apollo Lunar Module)-->
<!--insignia-->
| insignia             =
| insignia_size        =
| insignia_alt         =
| insignia_caption     =
<!--image at bottom of infobox-->
| bottom_image         =
| bottom_image_size    =
| bottom_image_alt     =
| bottom_image_caption =
| previous             =[[HS-333]]
| next                 =[[Boeing 601]]
}}
The '''Boeing 376''' (sometimes referred to as the '''BSS-376''', and previously as the '''HS-376''') is a [[communications satellite]] [[satellite bus|bus]] introduced in 1978 by [[Boeing Satellite Development Center|Hughes Space and Communications Company]]. It was a [[Spin-stabilized satellite|spin-stabilized]] bus, a successor to Hughes [[HS-333]].<ref name=boeingdefenseandspace-boeing376 /><ref name=gsp-hs376 />
== Design ==
The satellite bus was designed and manufactured by [[Hughes Space and Communications Company|Hughes]]. This [[Spin-stabilized satellite|spin-stabilized]] platform had two main sections. The spinning section was kept rotating at 50 rpm to maintain attitude, and a despun section was used by the payload to maintain radio coverage.<ref name=boeingdefenseandspace-boeing376bsat1 /><ref name=boeingdefenseandspace-boeing376palapab />
The spinning section included the [[apogee kick motor]], most of the attitude control, the power subsystem and the [[Astrionics#Command_and_telemetry|command and telemetry]] subsystems. The despun section contained the communications payload, including the antennas and transponders.<ref name=boeingdefenseandspace-boeing376bsat1 /><ref name=boeingdefenseandspace-boeing376palapab />
The stock version had a launch mass of {{convert|1100|to|1450|kg|abbr=on}}, a mass of {{convert|540|to|790|kg|abbr=on}} after reaching [[geostationary orbit]] and an 8 to 10-year design life. When stowed for launch, its dimensions were {{convert|2.8|to|3.15|m|abbr=on}} in height and {{convert|2.16|m|abbr=on}} in diameter. With its solar panels fully extended its height was {{convert|6.6|to|8|m|abbr=on}}.<ref name=boeingdefenseandspace-boeing376thaicom /><ref name=boeingdefenseandspace-boeing376sbs/><ref name=boeingdefenseandspace-boeing376palapab />
Its power system generated approximately 1,100 to 1,200&nbsp;[[watt|watts]] of power at [[BOL (engineering)|beginning of life]], thanks to two cylindrical solar panels. The bottom panel was retracted around the body and top panel for launch, and extended downwards for operation. It also had two [[Nickel–cadmium battery|NiCd batteries]] for solar eclipses.<ref name=boeingdefenseandspace-boeing376thaicom /><ref name=boeingdefenseandspace-boeing376sbs/><ref name=boeingdefenseandspace-boeing376palapab />
== Versions ==
There were four variations of this platform:
* '''HS-376''': The original version of the platform was launched in 1977. It had a mass between {{convert|1.1|to|1.45|tonne|abbr=on}}.<ref name=gsp-hs376 />
* '''HS-376L''': The Longer life version of the platform was launched in 1991. It had reduced power of 700&nbsp;Watts and reduced electronics weight, which allowed for increased station keeping propellant supply. This lengthened the design life to 13.5 years.<ref name=gsp-hs376 /><ref name=gsp-thaicom1 /><ref name=boeingdefenseandspace-boeing376thaicom />
* '''HS-376HP''': A Higher Power version of the platform was launched in 1995. It had a mass between {{convert|1.45|to|1.55|tonne|abbr=on}}.<ref name=gsp-hs376 />
* '''HS-376W''': The Wide version of the platform was launched in 1990. It was wider, more powerful and modernized electronics. It was a joint development with [[National Institute for Space Research|INPE]]. It had a diameter of {{convert|3.43|m|abbr=on}} and more power.<ref name=gsp-hs376 /><ref name=boeingdefenseandspace-boeing376brasilsatb /><ref name=gsp-brasilsatb />
== Satellites ==
The HS-376 was a very successful satellite platform with 58 satellites ordered, built and launched. It was also the first satellite to launch from the [[Space Shuttle]].<ref name=gsp-hs376 />
{| class="wikitable sortable mw-collapsible"
! rowspan=2 | Satellite
! rowspan=2 | Other names
! rowspan=2 | Operator
! rowspan=2 | Model
! rowspan=2 | Ordered
! rowspan=2 | Launch
! rowspan=2 | Launch vehicle
! rowspan=2 | Launch result
! colspan=2 | Mass (kg) at...
! rowspan=2 | Remarks
|-
! Launch
! [[BOL (engineering)|BOL]]
|-
| [[SBS 1]]  ||  ||  || HS-376 || 1977 || 1980-11-15 || [[Delta II|Delta-3910]]/[[PAM-D]] || {{success}} || 1117 || 540 || <ref name=boeingdefenseandspace-boeing376sbs /><ref name=gsp-sbs1 />
|-
| [[SBS 2 (satellite)|SBS 2]]  ||  ||  || HS-376 || 1977 || 1981-09-24 || [[Delta II|Delta-3910]]/[[PAM-D]] || {{success}} || 1117 || 540 || <ref name=boeingdefenseandspace-boeing376sbs /><ref name=gsp-sbs1 />
|-
| [[Westar 4]]  ||  ||  || HS-376 || 1980 || 1982-02-26 || [[Delta II|Delta-3910]]/[[PAM-D]] || {{success}} || 1100 || 582 ||
|-
| [[Westar 5]]  ||  ||  || HS-376 || 1982 || 1982-06-09 || [[Delta II|Delta-3910]]/[[PAM-D]] || {{success}} || 1100 || 582 ||
|-
| [[Anik D1]] ||  ||  || HS-376 ||  || 1982-08-26 || [[Delta II|Delta-3920]]/[[PAM-D]] || {{success}} || 1140 || 634 ||
|-
| [[Anik C3]] ||  ||  || HS-376 || 1978 || 1982-11-11 || [[Space Shuttle|Shuttle]]/[[PAM-D]] || {{success}} || 1140 || 563 ||
|-
| [[SBS 3 (satellite)|SBS 3]]  ||  ||  || HS-376 || 1981 || 1982-11-11 || [[Space Shuttle|Shuttle]]/[[PAM-D]]  || {{success}} || 1117 || 540 || <ref name=boeingdefenseandspace-boeing376sbs /><ref name=gsp-sbs1 />
|-
| [[Anik C2]] || Nahuel I2 ||  || HS-376 || 1978 || 1983-06-18 || [[Space Shuttle|Shuttle]]/[[PAM-D]] || {{success}} || 1140 || 563 ||
|-
| [[Palapa B1]]  || Palapa Pacific 1 ||  || HS-376 || 1980 || 1983-06-18 || [[Space Shuttle|Shuttle]]/[[PAM-D]]  || {{success}} || 1200 || 692 || <ref name=boeingdefenseandspace-boeing376palapab /><ref name=gsp-palapab />
|-
| [[Galaxy 1]]  ||  ||  || HS-376 ||  || 1983-06-28 || [[Delta II|Delta-3920]]/[[PAM-D]] || {{success}} || 1200 || 709 ||
|-
| [[Telstar 301]]  || [[Arabsat-1E]] ||  || HS-376 || 1980 || 1983-07-28 || [[Delta II|Delta-3920]]/[[PAM-D]] || {{success}} || 1140 || 653 ||
|-
| [[Galaxy 2 (satellite)|Galaxy 2]]  ||  ||  || HS-376 ||  || 1983-09-22 || [[Delta II|Delta-3920]]/[[PAM-D]] || {{success}} || 1200 || 709 ||
|-
| [[Palapa B2]] ||  ||  || HS-376 || 1980 || 1984-02-03 || [[Space Shuttle|Shuttle]]/[[PAM-D]] || {{failure|PAM ignition failed, satellite recovered}} || 1200 || 692 || Launched along [[Westar 6]]. [[PAM-D]] failed to ignite, [[Space Shuttle|Shuttle]] recovered the satellite. Was relaunched as [[Palapa B2R]].<ref name=boeingdefenseandspace-boeing376palapab /><ref name=gsp-palapab />
|-
| [[Westar 6]] ||  ||  || HS-376 ||  || 1984-02-03 || [[Space Shuttle|Shuttle]]/[[PAM-D]] || {{failure|PAM ignition failed, satellite recovered}} || 1244 || 582 || Launched along [[Palapa B2]]. [[PAM-D]] failed to ignite, [[Space Shuttle|Shuttle]] recovered the satellite. Was relaunched as [[AsiaSat 1]].
|-
| [[SBS 4]]  || HGS 5 ||  || HS-376 || 1983 || 1984-08-30 || [[Space Shuttle|Shuttle]]/[[PAM-D]]  || {{success}} || 1117 || 540 || <ref name=boeingdefenseandspace-boeing376sbs /><ref name=gsp-sbs1 />
|-
| [[Telstar 302]]  ||  ||  || HS-376 || 1980 || 1984-08-30 || [[Space Shuttle|Shuttle]]/[[PAM-D]]  || {{success}} || 1140 || 653 ||
|-
| [[Galaxy 3 (satellite)|Galaxy 3]]  ||  ||  || HS-376 ||  || 1984-09-21 || [[Delta II|Delta-3920]]/[[PAM-D]] || {{success}} || 1200 || 709 ||
|-
| [[Anik D2]] || Satcom 4R<br />Arabsat 1D ||  || HS-376 ||  || 1984-11-08 || [[Space Shuttle|Shuttle]]/[[PAM-D]] || {{success}} || 1140 || 634 ||
|-
| [[Brasilsat-A1]] || SBTS 1 ||  || HS-376 || 1982 || 1985-02-08 || [[Ariane 3]] || {{success}} || 1195 || {{NA}} ||
|-
| [[Anik C1]] || Nahuel I1<br/>Brasil 1T ||  || HS-376 || 1978 || 1985-04-12 || [[Space Shuttle|Shuttle]]/[[PAM-D]] || {{success}} || 1140 || 563 ||
|-
| [[Morelos 1]]  ||  ||  || HS-376 || 1982 || 1985-06-17 || [[Space Shuttle|Shuttle]]/[[PAM-D]]  || {{success}} || 1140 || 647 ||
|-
| [[Telstar 303]]  ||  ||  || HS-376 || 1980 || 1985-06-17 || [[Space Shuttle|Shuttle]]/[[PAM-D]]  || {{success}} || 1140 || 653 ||
|-
| [[Aussat A1]] || [[Optus A1]] ||  || HS-376 || 1982 || 1985-08-27 || [[Space Shuttle|Shuttle]]/[[PAM-D]] || {{success}} || 1250 || 654 ||
|-
| [[Aussat A2]] || [[Optus A2]] ||  || HS-376 || 1982 || 1985-11-27 || [[Space Shuttle|Shuttle]]/[[PAM-D]] || {{success}} || 1250 || 654 ||
|-
| [[Morelos 2]]  ||  ||  || HS-376 || 1982 || 1985-11-27 || [[Space Shuttle|Shuttle]]/[[PAM-D]]  || {{success}} || 1140 || 647 ||
|-
| [[Brasilsat-A2]] || SBTS 2 ||  || HS-376 || 1982 || 1986-03-28 || [[Ariane 3]] || {{success}} || 1195 || {{NA}} ||
|-
| [[Palapa B2P]] || [[Palapa B3]]<br />[[Agila 1]] ||  || HS-376 || 1984 || 1987-03-20 || [[Delta II|Delta-3920]]/[[PAM-D]] || {{success}} || 1200 || 692 || <ref name=boeingdefenseandspace-boeing376palapab /><ref name=gsp-palapab />
|-
| [[Aussat A3]] || [[Optus A3]] ||  || HS-376 || 1982 || 1987-09-16 || [[Ariane 3]] || {{success}} || 1250 || 696 ||
|-
| [[SBS 5]]  ||  ||  || HS-376 || 1983 || 1988-09-08 || [[Ariane 3]] || {{success}} || 1117 || 540 || <ref name=boeingdefenseandspace-boeing376sbs /><ref name=gsp-sbs1 />
|-
| [[Marcopolo 1]]  || [[Sirius 1 (satellite)|Sirius 1]]<br />[[Sirius W]] ||  || HS-376 || 1987 || 1989-08-27 || [[Delta II|Delta-4925]] || {{success}} || 1250 || 660 ||
|-
| [[AsiaSat 1]]  ||  ||  || HS-376 ||  || 1990-04-07 || [[Long March 3]] || {{success}} || 1244 || 582 || Was [[Westar 6]], but the launch on [[Space Shuttle]] failed. It was recovered and launched again as AsiaSat 1.
|-
| [[Palapa B2R]] || [[NewSat 1]] ||  || HS-376 ||  || 1990-04-13 || [[Delta II|Delta-6925-8]] || {{success}} || 1200 || 692 || Was [[Palapa B2]], but the launch on [[Space Shuttle]] failed. It was recovered and launched again as Palapa B2R.<ref name=boeingdefenseandspace-boeing376palapab /><ref name=gsp-palapab />
|-
| [[Marcopolo 2]] || [[Thor 1 (satellite)|Thor 1]] ||  || HS-376 || 1987 || 1990-08-18 || [[Delta II|Delta-6925-8]] || {{success}} || 1250 || 662 ||
|-
| [[Prowler (satellite)|Prowler]]  ||  ||  || HS-376 ||  || 1990-11-15 || [[Space Shuttle|Shuttle]]/[[PAM-D]]  || {{success}} || {{NA}} || {{NA}} ||
|-
| [[Galaxy 5]]  ||  ||  || HS-376 || 1989 || 1992-03-14 || [[Atlas I]] || {{success}} || 1390 || 788 ||
|-
| [[Palapa B4]]  ||  ||  || HS-376 ||  || 1992-05-14 || [[Delta II|Delta-7925-8]] || {{success}} || 1200 || 692 || <ref name=boeingdefenseandspace-boeing376palapab />
|-
| [[Galaxy 1R]]  ||  ||  || HS-376 || 1989 || 1992-08-22 || [[Atlas I]] || {{failure}} || 1390 || 788 || Launch failure
|-
| [[Galaxy 6]]  || [[Westar 6S]] ||  || HS-376 || 1983 || 1992-10-12 || [[Ariane 4|Ariane-44L]] || {{success}} || 1390 || 709 ||
|-
| [[Thaicom 1]]  || [[Thaicom 1A]] ||  || HS-376L || 1991 || 1993-12-18 || [[Ariane 4|Ariane-44L]] || {{success}} || 1080 || 629 || <ref name=boeingdefenseandspace-boeing376thaicom />
|-
| [[Galaxy 1R2]]  ||  ||  || HS-376 || 1992 || 1994-02-19 || [[Delta II|Delta-7925-8]] || {{success}} || 1390 || 788 ||
|-
| [[APSTAR-1]] || [[ZX-5E]] ||  || HS-376 || 1992 || 1994-07-21 || [[Long March 3]] || {{success}} || 1400 || 726 ||
|-
| [[Brasilsat B1]]  ||  ||  || HS-376W || 1990 || 1994-08-10 || [[Ariane 4|Ariane-44LP]] || {{success}} || 1757 || 1052 || <ref name=boeingdefenseandspace-boeing376brasilsatb /><ref name=gsp-brasilsatb />
|-
| [[Thaicom 2]]  ||  ||  || HS-376L || 1991 || 1994-10-07 || [[Ariane 4|Ariane-44L]] || {{success}} || 1080 || 629 || <ref name=boeingdefenseandspace-boeing376thaicom />
|-
| [[Brasilsat B2]]  ||  ||  || HS-376W || 1990 || 1995-03-28 || [[Ariane 4|Ariane-44LP]] || {{success}} || 1757 || 1052 || <ref name=boeingdefenseandspace-boeing376brasilsatb /><ref name=gsp-brasilsatb />
|-
| [[MEASAT-1]]  || [[AFRICASAT-1]] ||  || HS-376 || 1994 || 1996-01-12 || [[Ariane 4|Ariane-44L]] || {{success}} || 1450 || 886 ||
|-
| [[Galaxy 9]]  ||  ||  || HS-376 || 1995 || 1996-05-24 || [[Delta II|Delta-7925]] || {{success}} || 1390 || 788 ||
|-
| [[APSTAR-1A]] || [[ZX-5D]] ||  || HS-376 || 1995 || 1996-07-03 || [[Long March 3]] || {{success}} || 1400 || 726 ||
|-
| [[Chinasat-7|ZX 7]] || [[Chinasat-7]]<br />HGS 2  ||  || HS-376 || 1995 || 1996-08-18 || [[Long March 3]] || {{failure}} || 1384 || 734 || Launch failure
|-
| [[MEASAT-2]] || [[AFRICASAT-2]] ||  || HS-376 || 1994 || 1996-11-13 || [[Ariane 4|Ariane-44L]] || {{success}} || 1450 || 886 ||
|-
| [[BSAT-1a]]  ||  ||  || HS-376 || 1993 || 1997-04-16 || [[Ariane 4|Ariane-44LP]] || {{success}} || 1236 || 723 || <ref name=boeingdefenseandspace-boeing376bsat1 />
|-
| [[Thor 2 (satellite)|Thor 2]]  ||  ||  || HS-376HP || 1995 || 1997-05-20 || [[Delta II|Delta-7925]] || {{success}} || 1467 || 853 ||
|-
| [[Brasilsat B3]] ||  ||  || HS-376W || 1995 || 1998-02-04 || [[Ariane 4|Ariane-44LP]] || {{success}} || 1757 || 1052 || <ref name=boeingdefenseandspace-boeing376brasilsatb /><ref name=gsp-brasilsatb />
|-
| [[BSAT-1b]]  ||  ||  || HS-376 || 1993 || 1998-04-28 || [[Ariane 4|Ariane-44P]] || {{success}} || 1236 || 723 || <ref name=boeingdefenseandspace-boeing376bsat1 />
|-
| [[Thor 3 (satellite)|Thor 3]]  ||  ||  || HS-376HP || 1997 || 1998-06-10 || [[Delta II|Delta-7925]] || {{success}} || 1451 || 853 ||
|-
| [[Sirius 3]]  ||  ||  || HS-376HP || 1997 || 1998-10-05 || [[Ariane 4|Ariane-44L]] || {{success}} || 1465 || 815 ||
|-
| [[Bonum 1]]  ||  ||  || HS-376HP || 1997 || 1998-11-22 || [[Delta II|Delta-7925]] || {{success}} || 1425 || 793 ||
|-
| [[Brasilsat B4]] ||  ||  || HS-376W || 1998 || 2000-08-17 || [[Ariane 4|Ariane-44LP]] || {{success}} || 1757 || 1052 || <ref name=boeingdefenseandspace-boeing376brasilsatb /><ref name=gsp-brasilsatb />
|-
| [[Astra 2D]] ||  ||  || HS-376HP || 1999 || 2000-12-20 || [[Ariane 5G]] || {{success}} || 1445 || 824 ||
|-
| [[Astra 3A]]  ||  ||  || HS-376HP || 2000 || 2002-03-29 || [[Ariane 4|Ariane-44L]] || {{success}} || 1514 || 908 ||
|-
| [[eBird 1]] || [[Eurobird 3]]<br />[[Eutelsat 33A]]<br />[[Eutelsat 31A]]  ||  || HS-376HP || 2000 || 2003-09-27 || [[Ariane 5G]] || {{success}} || 1530 || 895 ||
|}
==See also==
{{Portal |Spaceflight}}
* [[Boeing 601]]
* [[Boeing Satellite Development Center]]
{{Clear}}
== References ==
{{reflist|2|refs=
<ref name=gsp-brasilsatb>{{cite web |url=http://space.skyrocket.de/doc_sdat/brasilsat-b.htm |title=Brasilsat B 1, 2, 3, 4 |website=Gunter's Space Page |last1=Krebs |first1=Gunter Dirk |date=2016-04-17 |access-date=2016-08-18}}</ref>
<ref name=gsp-hs376>{{cite web |url=http://space.skyrocket.de/doc_sat/hs-376.htm |title=Hughes / Boeing: HS-376 / BSS-376 |website=Gunter's Space Page |last1=Krebs |first1=Gunter Dirk |date=2016-04-21 |access-date=2016-08-16}}</ref>
<ref name=gsp-palapab>{{cite web |url=http://space.skyrocket.de/doc_sdat/palapa-b.htm |title=Palapa B1, B2, B2P, B2R, B4 / Palapa Pacific / Agila 1 / NewSat 1 |website=Gunter's Space Page |last1=Krebs |first1=Gunter Dirk |date=2016-04-17 |access-date=2016-08-18}}</ref>
<ref name=gsp-sbs1>{{cite web |url=http://space.skyrocket.de/doc_sdat/sbs-1.htm |title=SBS 1, 2, 3, 4, 5 / HGS 5 |website=Gunter's Space Page |last1=Krebs |first1=Gunter Dirk |date=2016-04-17 |access-date=2016-08-18}}</ref>
<ref name=gsp-thaicom1>{{cite web |url=http://space.skyrocket.de/doc_sdat/thaicom-1.htm |title=Thaicom 1, 2 |website=Gunter's Space Page |last1=Krebs |first1=Gunter Dirk |date=2016-08-08 |access-date=2016-08-18}}</ref>
<ref name=boeingdefenseandspace-boeing376>{{cite web|url=http://www.boeing.com/defense-space/space/bss/programs_376.html |title=Boeing 376 |publisher=[[Boeing Satellite Development Center]] |access-date=2016-08-16 |url-status=bot: unknown |archiveurl=https://web.archive.org/web/20100305043942/http://www.boeing.com/defense-space/space/bss/programs_376.html |archivedate=2010-03-05 }}</ref>
<ref name=boeingdefenseandspace-boeing376brasilsatb>{{cite web|url=http://boeing.com/defense-space/space/bss/factsheets/376/brasilsat_b/brasilsat_b.html |title=Brasilsat B |publisher=[[Boeing Satellite Development Center]] |access-date=2016-08-18 |url-status=bot: unknown |archiveurl=https://web.archive.org/web/20100207073639/http://boeing.com/defense-space/space/bss/factsheets/376/brasilsat_b/brasilsat_b.html |archivedate=2010-02-07 }}</ref>
<ref name=boeingdefenseandspace-boeing376bsat1>{{cite web|url=http://boeing.com/defense-space/space/bss/factsheets/376/bsat_1/bsat_1.html |title=BSAT-1 |publisher=[[Boeing Satellite Development Center]] |access-date=2016-08-18 |url-status=bot: unknown |archiveurl=https://web.archive.org/web/20100207074924/http://boeing.com/defense-space/space/bss/factsheets/376/bsat_1/bsat_1.html |archivedate=2010-02-07 }}</ref>
<ref name=boeingdefenseandspace-boeing376palapab>{{cite web|url=http://boeing.com/defense-space/space/bss/factsheets/376/palapa_b/palapa_b.html |title=Palapa-B |publisher=[[Boeing Satellite Development Center]] |access-date=2016-08-18 |url-status=bot: unknown |archiveurl=https://web.archive.org/web/20100207074810/http://boeing.com/defense-space/space/bss/factsheets/376/palapa_b/palapa_b.html |archivedate=2010-02-07 }}</ref>
<ref name=boeingdefenseandspace-boeing376sbs>{{cite web|url=http://boeing.com/defense-space/space/bss/factsheets/376/sbs/sbs.html |title=SBS |publisher=[[Boeing Satellite Development Center]] |access-date=2016-08-18 |url-status=bot: unknown |archiveurl=https://web.archive.org/web/20100207074507/http://boeing.com/defense-space/space/bss/factsheets/376/sbs/sbs.html |archivedate=2010-02-07 }}</ref>
<ref name=boeingdefenseandspace-boeing376thaicom>{{cite web|url=http://boeing.com/defense-space/space/bss/factsheets/376/thaicom/thaicom.html |title=THAICOM |publisher=[[Boeing Satellite Development Center]] |access-date=2016-08-18 |url-status=bot: unknown |archiveurl=https://web.archive.org/web/20100207072708/http://boeing.com/defense-space/space/bss/factsheets/376/thaicom/thaicom.html |archivedate=2010-02-07 }}</ref>
}}
{{Hughes satellites}}
[[Category:Satellite buses]]