From Wikipedia, the free encyclopedia
BSAT-4a
is a
geostationary
communications satellite
ordered by
Broadcasting Satellite System Corporation
(BSAT) and designed and manufactured by
SSL
on the
SSL 1300
platform, to be stationed on the 110.0° East orbital slot for
direct television broadcasting
of
4K
and
8K
Ultra HD
resolutions.
[2]
[3]
[4]
It was launched on 29 September 2017.
[5]
Satellite description
[
edit
]
BSAT-4a
was designed and manufactured by
SSL
on the
SSL 1300
satellite bus
for
BSAT
. It has an estimated launch mass of 3,500 kilograms (7,700 lb) with a 15-year design life.
[2]
[6]
[4]
It has a single
K
u
-band
payload with 24
transponders
, and covers Japan with
4K
and
8K
Ultra HD
television satellite service
.
[2]
[3]
History
[
edit
]
On 18 June 2015,
BSAT
ordered the first of its fourth generation satellites from
SSL
,
BSAT-4a
. It was expected to be weight around 3,500 kilograms (7,700 lb), have 24
K
u
-band
transponders
with a 15-year design life. It was launched on 29 September 2017.
[1]
It was planned that 4K and 8K signals would be broadcast by summer 2020.
[3]
In September 2015, BSAT contracted
Arianespace
for an
Ariane 5 ECA
launch service,
[4]
[2]
and received a preliminary license for broadcasting
4K
and
8K
Ultra HD
.
[7]
References
[
edit
]
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January
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February
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March
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April
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May
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June
|
- QZS-2
- ViaSat-2
,
Eutelsat 172B
- Dragon CRS-11
(
NICER
,
BRAC Onnesha
,
GhanaSat-1
,
Mazaalai
,
Nigeria EduSat-1
)
- GSAT-19
- EchoStar 21
- Progress MS-06
- HXMT / Insight
,
NuSat 3
- ChinaSat 9A
- Cartosat-2E
,
Max Valier Sat
,
Aalto-1
,
Blue Diamond
,
Green Diamond
,
Red Diamond
,
CICERO-6
,
COMPASS-2
,
InflateSail
,
Lemur-2
× 8
,
LituanicaSAT-2
,
ROBUSTA-1B
- Kosmos 2519
/ Nivelir,
Kosmos 2521
/ Sputnik Inspektor
- BulgariaSat-1
- Iridium NEXT
× 10
- EuropaSat / Hellas Sat 3
,
GSAT-17
|
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July
| |
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August
| |
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September
| |
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October
| |
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November
| |
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December
| |
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Launches are separated by dots ( ? ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ).
Crewed flights
are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).
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