From Wikipedia, the free encyclopedia
Canadian communications satellite
Nimiq-4
is a Canadian
geosynchronous
communications satellite
.
[1]
It was launched aboard a
Proton-M
/
Briz-M
launch vehicle
at 21:48:00
UTC
on 19 September 2008. It was positioned at 82.0° West
longitude
, and operated by
Telesat Canada
.
[2]
Spacecraft
[
edit
]
The satellite was constructed by
EADS Astrium
, using a
Eurostar-3000S
bus
.
[3]
It is powered by two
solar panels
, with a span of 39 m (128 ft), producing 12 kW of power. The launch mass of the satellite is 4,850 kg (10,690 lb), with fuel. It carries 40 transponders, 32 of which operate in the
Ku-band
, and 8 which operate in the
Ka-band
. It provides digital
HDTV
to
Canada
and
United States
.
[2]
See also
[
edit
]
References
[
edit
]
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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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