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{{Use American English|date=March 2021}}
{{Use dmy dates|date=March 2021}}
{{Infobox spaceflight
{{Infobox spaceflight
| name = JCSAT-1B<!--defaults to page title-->
| name = JCSAT-1B
| names_list = JCSAT-5<!--list of previous names if the spacecraft has been renamed.
| names_list = '''JCSAT-5''' (Jun 1996 to Dec 1997)<br/>'''JCSAT-1B''' (Dec 1997 onward)
| image =
Include the dates applicable if possible, and separate each name with a linebreak.
| image_caption =
Omit if the spacecraft has only ever been known by one name.
| image_size = 300px
Do not include Harvard, COSPAR/NSSDC or SATCAT/NORAD/NASA designations as alternative names-->


| mission_type = [[Communications satellite|Communications]]
<!--image of the spacecraft/mission-->
| operator = [[SKY Perfect JSAT|SKY Perfect JSAT Group]]
| image = <!--omit the "file" prefix-->
| image_caption = <!--image caption-->
| COSPAR_ID = 1997-075A <ref name=nasagsfc-nssdcajcsat5/>
| image_alt = <!--image alt text-->
| SATCAT = 25067
| image_size = <!--include px/em; defaults to 220px-->
| website = http://www.jsat.net/en/contour/jcsat-1b.html
| mission_duration = 12 years (planned)


| spacecraft = JCSAT-5
<!--Basic details-->
| spacecraft_type = [[JSAT (satellite constellation)|JCSAT]]
| mission_type = [[Communications satellite|Communication]]<!--eg. Technology, Reconnaissance, ISS assembly, etc-->
| spacecraft_bus = [[Boeing 601|HS-601]]
| operator = [[SKY Perfect JSAT Group]]<!--organisation(s) that operate(d) the spacecraft-->
| manufacturer = [[Boeing Satellite Development Center|Hughes]]
| Harvard_designation = <!--spacecraft launched 1962 and earlier only (eg. 1957 Alpha 2)-->
| launch_mass = {{cvt|2982|kg}}
| COSPAR_ID = 1997-075A<ref name=nasagsfc-nssdcajcsat5 /><!--spacecraft launched since 1963 only (aka NSSDC ID; eg. 1998-067A)-->
| dry_mass = {{cvt|1308|kg}}
| SATCAT = 25067<ref name=satbeams-jcsat5 /><!--satellite catalogue number, omit leading zeroes (e.g. 25544)-->
| dimensions = {{cvt|26.1|x|7.6|m}} with [[Solar panels on spacecraft|solar panels]] and antennas deployed
| website = http://www.jsat.net/en/contour/jcsat-1b.html<!--Homepage of the craft/mission, OFFICIAL PAGES ONLY-->
| power = 5 [[Watt|kW]]
| mission_duration = <!--How long the mission lasted-->


| launch_date = 2 December 1997, 22:52:32 UTC <ref name=nasagsfc-nssdcajcsat5/>
<!--Spacecraft properties-->
| launch_rocket = [[Ariane 4|Ariane 44P]]
| spacecraft = JCSAT-5<!--Spacecraft name/serial number (eg. Space Shuttle ''Discovery'', Apollo CM-118), etc-->
| spacecraft_type = <!--eg. GPS Block II, Kobalt-M, US-K, etc-->
| launch_site = [[Guiana Space Centre|Centre Spatial Guyanais]], [[ELA-2]]
| launch_contractor = [[Arianespace]]
| spacecraft_bus = [[Boeing 601|HS-601]]<!--eg. A2100M, Star-2, etc-->
| manufacturer = [[Boeing Satellite Development Center|Hughes]]<!--company or companies who built the satellite-->
| launch_mass = {{convert|2982|kg|abbr=on}}<!--fuelled mass at launch, not including rocket or upper stage-->
| BOL_mass = <!--spacecraft mass in orbit at beginning of operational life, after LEOP phase-->
| landing_mass = <!--Mass after landing (recovered spacecraft only)-->
| dry_mass = {{convert|1308|kg|abbr=on}}<!--spacecraft mass in orbit without fuel-->
| payload_mass = <!--Mass of cargo carried by spacecraft (eg. for Space Shuttle), or total mass of instrumentation/equipment/experiments for mission-->
| dimensions = {{convert|26.1|x|7.6|m|abbr=on}} with solar panels and antennas deployed.<!--body dimensions and solar array span-->
| power = 5&nbsp;kW<!--end-of-life power, in watts-->


| entered_service =
<!--Launch details-->
| disposal_type =
| launch_date = {{start date|1997|12|02|22|52|32|TZ=Z}}<ref name=nasagsfc-nssdcajcsat5 />
| deactivated =
| launch_rocket = [[Ariane 4|Ariane 44P]]<!--Rocket that launched the satellite, include upper stage if distinct from rocket* and if possible flight/tail/serial number-->
| last_contact =
| launch_site = [[Guiana Space Centre|GSC]] [[ELA-2]]<!--Where the rocket launched from, including complex and pad; do not include the full address or country-->
| launch_contractor = [[Arianespace]]<!--organisation(s) that conducted the launch (eg. United Launch Alliance, Arianespace, etc)-->
| deployment_from = <!--place where deployed from-->
| deployment_date = <!--date deployed-->
| entered_service = <!--date on which the spacecraft entered service, if it did not do so immediately after launch-->
<!-- * - e.g. Proton-M/Briz-M not Proton-M, but Titan IV(401)A not Titan IV(401)A-Centaur-->


| orbit_reference = [[Geocentric orbit]]
<!--end of mission-->
| orbit_regime = [[Geostationary orbit]]
| disposal_type = <!--Whether the spacecraft was deorbited, decommissioned, placed in a graveyard orbit, etc-->
| orbit_longitude = 150° East
| deactivated = <!--when craft was decommissioned-->
| apsis = gee
| destroyed = <!--when craft was destroyed (if other than by re-entry)-->
| last_contact = <!--when last signal received if not decommissioned-->
| recovery_by = <!--recovered by-->
| recovery_date = <!--recovery date-->
| decay_date = <!--when craft re-entered the atmosphere, not needed if it landed-->
| landing_date = <!--when the spacecraft made a controlled landing, not needed if it did not return intact-->
| landing_site = <!--where the craft landed; site/runway or coordinates-->
<!--
The following template should be used for ONE of the three above fields "end_of_mission", "decay" or "landing" if the spacecraft is no longer operational.
If it landed intact, use it for the landing time, otherwise for the date it ceased operations, or the decay date if it was still operational when it re-entered.
{{end date|YYYY|MM|DD|hh|mm|ss|TZ=Z}} (for Zulu/UTC) or {{end date|YYYY|MM|DD}} (if time unknown)
-->


| trans_band = [[Ku band|Ku-band]]:<br/>16 × 36 [[Hertz|Mhz]] + 16 × 27&nbsp;MHz
<!--orbit parameters-->
| trans_frequency =
<!--as science-related articles, SI units should be the principal units of measurement, however we usually use {{convert}} to display imperial units in parentheses after the initial values-->
| trans_bandwidth = 1008&nbsp;MHz
| orbit_reference = <!--geocentric, selenocentric, etc - please link (e.g. [[Geocentric orbit|Geocentric]])-->
| trans_capacity =
| orbit_regime = [[Geostationary orbit|GEO]]<!--high, low, medium, molniya, GSO - please link (e.g. [[Low Earth orbit|Low Earth]] - please don't use acronyms-->
| trans_coverage = Japan, [[East Asia]], [[South Asia]], Australia, [[Hawaii]]
| orbit_longitude = 150°East<!--geosynchronous satellites only-->
| trans_TWTA = 12 × 36&nbsp;MHz 95 watts<br/>4 × 36&nbsp;MHz 60 watts<br/>16 × 27&nbsp;MHz 60 watts
| orbit_slot = <!--Designation of orbital position or slot, if not longitude (e.g plane and position of a GPS satellite)-->
| orbit_semimajor = <!--semimajor axis-->
| orbit_eccentricity = <!--orbital eccentricity-->
| orbit_periapsis = <!--periapsis altitude-->
| orbit_apoapsis = <!--apoapsis altitude-->
| orbit_inclination = <!--orbital inclination-->
| orbit_period = <!--time taken to complete an orbit-->
| orbit_RAAN = <!--right ascension of the ascending node-->
| orbit_arg_periapsis = <!--argument of perigee/periapsis-->
| orbit_mean_anomaly = <!--mean anomaly at epoch, only use in conjunction with an epoch value-->
| orbit_mean_motion = <!--mean motion of the satellite, usually measured in orbits per day-->
| orbit_repeat = <!--repeat interval/revisit time-->
| orbit_velocity = <!--speed at which the spacecraft was travelling at epoch - only use for spacecraft with low orbital eccentricity-->
| orbit_epoch = <!--the date at which the orbit parameters were correct-->
| orbit_rev_number = <!--revolution number-->
| apsis = <!--planet specific apsis term (eg. gee/helion/selene/etc - defaults to generic "apsis")-->


| insignia =
<!--transponder parameters-->
| insignia_caption =
| trans_band = [[Ku band|K<sub>u</sub> band]]: 16 × 36&nbsp;Mhz + 16 × 27&nbsp;Mhz<!--Transponder frequency bands-->
| insignia_size = 200px
| trans_frequency = <!--specific frequencies-->
| trans_bandwidth = 1,008&nbsp;MHz<!--bandwidth-->
| trans_capacity = <!--capacity of the transponders-->
| trans_coverage = <!--area covered-->
| trans_TWTA = 12 × 36&nbsp;Mhz 95&nbsp;[[Watt]]s<br />4 × 36&nbsp;Mhz 60&nbsp;Watts<br />16 × 27&nbsp;Mhz 60Watts<!--TWTA output power-->
| trans_EIRP = <!--equivalent isotropic power-->
| trans_HPBW = <!--half-power beam width-->


| programme = [[JSAT (satellite constellation)|JCSAT constellation]]
<!--Only use where a spacecraft/mission is part of a clear programme of sequential missions.
| previous_mission = [[JCSAT-4]]
If in doubt, leave it out-->
| programme = [[JSAT (satellite constellation)|JSAT]]
| next_mission = [[JCSAT-4A]]
| previous_mission = [[JCSAT-R]]
| next_mission = [[JCSAT-4A]]

<!--mission insignia or patch-->
| insignia = <!--omit the "file" prefix-->
| insignia_caption = <!--image caption-->
| insignia_alt = <!--image alt text-->
| insignia_size = <!--include px/em; defaults to 180px-->
}}
}}


'''JCSAT-1B''', known as '''JCSAT-5''' before launch, is a [[geostationary orbit|geostationary]] [[communications satellite]] operated by [[SKY Perfect JSAT Group]] (JSAT) which was designed and manufactured by [[Hughes Space and Communications Company|Hughes]] (now [[Boeing Satellite Development Center|Boeing]]) on the [[Boeing 601|HS-601]] platform. It has a pure [[Ku band|K<sub>u</sub> band]] payload and was used to replace [[JCSAT-1]] at the 150°East longitude. It covers Japan, Korea, most of China, Thailand, Vietnam, Laos, part of Indonesia, part of Malaysia and Hawaii.<ref name=gsp-jcsat5 /><ref name=satbeams-jcsat5 /><ref name=jsat-jcsat1b />
'''JCSAT-1B''', known as '''JCSAT-5''' before launch, is a [[geostationary orbit|geostationary]] [[communications satellite]] operated by [[SKY Perfect JSAT Group]] (JSAT) which was designed and manufactured by [[Hughes Space and Communications Company|Hughes]] (now [[Boeing Satellite Development Center|Boeing]]) on the [[Boeing 601|HS-601]] [[satellite bus]]. It has a pure [[Ku band|Ku-band]] payload and was used to replace [[JCSAT-1]] at the 150° East [[longitude]]. It covers Japan, [[Korea]], most of China, [[Thailand]], [[Vietnam]], [[Laos]], part of [[Indonesia]], part of [[Malaysia]] and [[Hawaii]].<ref name=gsp-jcsat5/><ref name=satbeams-jcsat5/><ref name=jsat-jcsat1b/>

== Satellite description ==
The spacecraft was designed and manufactured by Boeing Satellite Development Center on the HS-601 satellite bus. It had a launch mass of {{cvt|2982|kg}} and a 12-year design life. Its [[Solar panels on spacecraft|solar panels]] span {{cvt|21|m}} when fully deployed and generated approximately 5 [[Watt|kW]] of power, with its antennas in fully extended configuration it is {{cvt|7.6|m}} wide.<ref name=jsat-jcsat1b/> It would provide communications services throughout Japan, [[East Asia]], [[South Asia]], Australia and [[Hawaii]].<ref name=gsp-jcsat5/>

Its payload is composed of sixteen 36&nbsp;MHz plus another sixteen 27&nbsp;MHz Ku-band [[Transponder (satellite communications)|transponders]], for a total bandwidth of 1008&nbsp;MHz.<ref name=jsat-book2012whoweare/> Its twelve of the 36&nbsp;MHz transponders have a [[Traveling-wave tube#Traveling-wave-tube amplifier|TWTA]] output power of 95 watts, the other four 36&nbsp;MHz and the 27&nbsp;MHz ones have 60 watts.<ref name=jsat-jcsat1b/><ref name=gsp-jcsat5 /> It can configure four 36&nbsp;MHz transponders into two 76&nbsp;MHz with an effective 95 watts.<ref name=gsp-jcsat5 />

The Ku-band [[Footprint (satellite)|footprint]] covers Japan, Korea, most of China, Thailand, Vietnam, Laos, part of Indonesia, part of Malaysia and Hawaii.<ref name=jsat-jcsat1b/>

== History ==
In June 1996, [[JSAT Corporation|JSAT]] (since then merged into [[SKY Perfect JSAT|SKY Perfect JSAT Group]]) ordered '''JCSAT-5''' from [[Hughes Space and Communications Company]] (now [[Boeing Satellite Development Center]]), to replace [[JCSAT-1]] at the 150° East slot. The [[Boeing 601|HS-601]] based satellite would provide coverage to Japan, East Asia, Australia and Hawaii.<ref name=gsp-jcsat5/>

An [[Ariane 4|Ariane 44P]] successfully launched JCSAT-5 on 2 December 1997 at 22:52:32 [[Coordinated Universal Time|UTC]] from [[Guiana Space Centre|Centre Spatial Guyanais]] [[ELA-2]] launch pad. Once successfully deployed, it was renamed as '''JCSAT-1B'''. It was driven to the 150° East position where it replaced [[JCSAT-1]].<ref name=gsp-jcsat5/>


The satellite experienced an anomaly on 17 January 2007 on one of its thrusters. But after the operator designed a control scheme to handle the satellite without the failed thruster, it was put back into service.<ref name=gsp-jcsat5/>
==Satellite description==
TThe spacecraft was designed and manufactured by [[Boeing Satellite Development Center|Boeing]] on the [[Boeing 601|BSS-601]] [[satellite bus]]. It had a launch mass of {{convert|2982|kg|abbr=on}} and a 12 year design life. Its solar panels span {{convert|21|m|abbr=on}} when fully deployed and generated aproximately 5&nbsp;kW of power, with its antennas in fully extended configuration it is {{convert|7.6|m|abbr=on}} wide.<ref name=jsat-jcsat1b /> It would provide communications services throughout Japan, East Asia, Australia and Hawaii.<ref name=gsp-jcsat5 />


== References ==
Its payload is composed of sixteen 36&nbsp;Mhz plus another sixteen 27&nbsp;Mhz [[Ku band|K<sub>u</sub> band]] [[Transponder (satellite communications)|transponders]], for a total bandwidth of 1,008&nbsp;MHz.<ref name=jsat-book2012whoweare /> Its twelve of the 36&nbsp;Mhz transponders have a [[Traveling-wave tube#Traveling-wave-tube amplifier|TWTA]] output power of 95&nbsp;[[Watt]]s, the other four 36&nbsp;Mhz and the 27&nbsp;Mhz ones have 60&nbsp;Watts.<ref name=jsat-jcsat1b /><ref name=gsp-jcsat5 /> It can configure four 36&nbsp;MHz transponders into two 76&nbsp;MHz with an effective 95&nbsp;Watts.<ref name=gsp-jcsat5 />
{{Reflist|30em|refs=


<ref name=gsp-jcsat5>{{cite web|last1=Krebs|first1=Gunter|title=JCSat 5, 6 (JCSat 1B, 4A)|url=http://space.skyrocket.de/doc_sdat/jcsat-5.htm|publisher=Gunter's Space Page|access-date=2016-07-20|date=2016-04-21}}</ref>
The K<sub>u</sub> band [[Footprint (satellite)|footprint]] covers Japan, Korea, most of China, Thailand, Vietnam, Laos, part of Indonesia, part of Malaysia and Hawaii.<ref name=jsat-jcsat1b />


<ref name=nasagsfc-nssdcajcsat5>{{cite web|url=https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1997-075A|title=Display: JCSAT 5 1997-075A|publisher=NASA|date=10 February 2021|access-date=20 March 2021}} {{PD-notice}}</ref>
==History==
On June 1996, [[JSAT Corporation|JSAT]] (since then merged into [[SKY Perfect JSAT Group]]) ordered '''JCSAT-5''' from [[Hughes Space and Communications Company|Hughes]] (now [[Boeing Satellite Development Center|Boeing]]), to replace [[JCSAT-1]] at the 150° East slot. The [[Boeing 601|HS-601]] based satellite would provide coverage to Japan, East Asia, Australia and Hawaii.<ref name=gsp-jcsat5 />


<ref name=jsat-book2012whoweare>{{cite web|url=http://www.skyperfectjsat.co.jp/load_pdf.php?pTb=t_annual_&pRi=30&pJe=1|title=Who we are?|publisher=SKY Perfect JSAT|date=2012-08-03|access-date=2016-08-02}}</ref>
An [[Ariane 4|Ariane 44P]] successfully launched JCSAT-5 on December 2, 1997 at 22:52:32&nbsp;[[UTC]] from [[Guiana Space Centre]] [[ELA-2]] launch pad. Once successfully deployed, it was renamed as '''JCSAT-1B'''. It was driven to the 150°East position where it replaced JCSAT-1.<ref name=gsp-jcsat5 />


<ref name=jsat-jcsat1b>{{cite web|url=http://www.jsat.net/en/contour/jcsat-1b.html|title=JCSAT-1B|publisher=SKY Perfect JSAT|access-date=August 9, 2016|archive-date=18 August 2016|archive-url=https://web.archive.org/web/20160818203219/http://www.jsat.net/en/contour/jcsat-1b.html|url-status=dead}}</ref>
The satellite experienced an anomaly on January 17, 2007 on one of its thrusters. But after the operator designed a control scheme to handle the satellite without the failed thruster, it was put back into service.<ref name=gsp-jcsat5 />


<ref name=satbeams-jcsat5>{{cite web|title=JCSat 1B (JCSat 5)|url=http://www.satbeams.com/satellites?norad=25067|publisher=Satbeams|access-date=26 July 2016}}</ref>
==References==
{{Reflist|2|refs=
<ref name=gsp-jcsat5>{{cite web |last1=Krebs |first1=Gunter Dirk |title=JCSat 5, 6 (JCSat 1B, 4A) |url=http://space.skyrocket.de/doc_sdat/jcsat-5.htm |website=Gunter's Space Page |access-date=2016-07-20 |date=2016-04-21}}</ref>
<ref name=nasagsfc-nssdcajcsat5>{{cite web |url=http://nssdc.gsfc.nasa.gov/nmc/spacecraftOrbit.do?id=1997-075A |title=JCSAT 5 |publisher=NASA Space Science Data Coordinated Archive |date=27 April 2016 |access-date=2016-08-04}}</ref>
<ref name=jsat-book2012whoweare>{{cite web |url=http://www.skyperfectjsat.co.jp/load_pdf.php?pTb=t_annual_&pRi=30&pJe=1 |title=Who we are |publisher=S[[SKY Perfect JSAT Group]] |date=2012-08-03 |format=PDF |access-date=2016-08-02}}</ref>
<ref name=jsat-jcsat1b>{{cite web |url=http://www.jsat.net/en/contour/jcsat-1b.html |title=JCSAT-1B |publisher=[[SKY Perfect JSAT Group]] |access-date=August 9, 2016}}</ref>
<ref name=satbeams-jcsat5>{{cite web |title=JCSat 1B (JCSat 5) |url=http://www.satbeams.com/satellites?norad=25067 |publisher=Satbeams |accessdate=26 July 2016}}</ref>
}}
}}


{{Portal|Spaceflight}}
{{JCSAT}}
{{JCSAT}}
{{Orbital launches in 1997}}
{{Orbital launches in 1997}}
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[[Category:Satellites using the BSS-601 bus]]
[[Category:Satellites using the BSS-601 bus]]
[[Category:Spacecraft launched in 1997]]
[[Category:Spacecraft launched in 1997]]
[[Category:Communications satellites of Japan]]
[[Category:Satellites of Japan]]
[[Category:Satellites of Japan]]

Latest revision as of 11:47, 25 April 2024

JCSAT-1B
NamesJCSAT-5 (Jun 1996 to Dec 1997)
JCSAT-1B (Dec 1997 onward)
Mission typeCommunications
OperatorSKY Perfect JSAT Group
COSPAR ID1997-075A [1]
SATCAT no.25067
Websitehttp://www.jsat.net/en/contour/jcsat-1b.html
Mission duration12 years (planned)
Spacecraft properties
SpacecraftJCSAT-5
Spacecraft typeJCSAT
BusHS-601
ManufacturerHughes
Launch mass2,982 kg (6,574 lb)
Dry mass1,308 kg (2,884 lb)
Dimensions26.1 m × 7.6 m (86 ft × 25 ft) with solar panels and antennas deployed
Power5 kW
Start of mission
Launch date2 December 1997, 22:52:32 UTC [1]
RocketAriane 44P
Launch siteCentre Spatial Guyanais, ELA-2
ContractorArianespace
Orbital parameters
Reference systemGeocentric orbit
RegimeGeostationary orbit
Longitude150° East
Transponders
BandKu-band:
16 × 36 Mhz + 16 × 27 MHz
Bandwidth1008 MHz
Coverage areaJapan, East Asia, South Asia, Australia, Hawaii
TWTA power12 × 36 MHz 95 watts
4 × 36 MHz 60 watts
16 × 27 MHz 60 watts
← JCSAT-4
JCSAT-4A →
 

JCSAT-1B, known as JCSAT-5 before launch, is a geostationary communications satellite operated by SKY Perfect JSAT Group (JSAT) which was designed and manufactured by Hughes (now Boeing) on the HS-601 satellite bus. It has a pure Ku-band payload and was used to replace JCSAT-1 at the 150° East longitude. It covers Japan, Korea, most of China, Thailand, Vietnam, Laos, part of Indonesia, part of Malaysia and Hawaii.[2][3][4]

Satellite description[edit]

The spacecraft was designed and manufactured by Boeing Satellite Development Center on the HS-601 satellite bus. It had a launch mass of 2,982 kg (6,574 lb) and a 12-year design life. Its solar panels span 21 m (69 ft) when fully deployed and generated approximately 5 kW of power, with its antennas in fully extended configuration it is 7.6 m (25 ft) wide.[4] It would provide communications services throughout Japan, East Asia, South Asia, Australia and Hawaii.[2]

Its payload is composed of sixteen 36 MHz plus another sixteen 27 MHz Ku-band transponders, for a total bandwidth of 1008 MHz.[5] Its twelve of the 36 MHz transponders have a TWTA output power of 95 watts, the other four 36 MHz and the 27 MHz ones have 60 watts.[4][2] It can configure four 36 MHz transponders into two 76 MHz with an effective 95 watts.[2]

The Ku-band footprint covers Japan, Korea, most of China, Thailand, Vietnam, Laos, part of Indonesia, part of Malaysia and Hawaii.[4]

History[edit]

In June 1996, JSAT (since then merged into SKY Perfect JSAT Group) ordered JCSAT-5 from Hughes Space and Communications Company (now Boeing Satellite Development Center), to replace JCSAT-1 at the 150° East slot. The HS-601 based satellite would provide coverage to Japan, East Asia, Australia and Hawaii.[2]

An Ariane 44P successfully launched JCSAT-5 on 2 December 1997 at 22:52:32 UTC from Centre Spatial Guyanais ELA-2 launch pad. Once successfully deployed, it was renamed as JCSAT-1B. It was driven to the 150° East position where it replaced JCSAT-1.[2]

The satellite experienced an anomaly on 17 January 2007 on one of its thrusters. But after the operator designed a control scheme to handle the satellite without the failed thruster, it was put back into service.[2]

References[edit]

  1. ^ a b "Display: JCSAT 5 1997-075A". NASA. 10 February 2021. Retrieved 20 March 2021. Public Domain This article incorporates text from this source, which is in the public domain.
  2. ^ a b c d e f g Krebs, Gunter (21 April 2016). "JCSat 5, 6 (JCSat 1B, 4A)". Gunter's Space Page. Retrieved 20 July 2016.
  3. ^ "JCSat 1B (JCSat 5)". Satbeams. Retrieved 26 July 2016.
  4. ^ a b c d "JCSAT-1B". SKY Perfect JSAT. Archived from the original on 18 August 2016. Retrieved 9 August 2016.
  5. ^ "Who we are?". SKY Perfect JSAT. 3 August 2012. Retrieved 2 August 2016.
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