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Aircraft with 2nd batch of 36 UK's Oneweb satellites leaves for India for launch by ISRO

Aircraft with 2nd batch of 36 UK's Oneweb satellites leaves for India for launch by ISRO

Chennai, Jan 25 (UNI) The aircraft carrying second batch of 36 satellites
of the UK-based Oneweb today left for India and is on its way to Chennai
to be taken to the spaceport of Sriharikota, about 100 km from here, by
road for launch by the Indian Space Research Organisation (ISRO).
The Antonov aircraft has left for Chennai, Oneweb tweeted, along with
the photographs of loading of the satellites and the aircraft taking off.
"Our satellites have now been loaded ahead of our upcoming launch with
@isro", the tweet said.

"This is the final time we will load up an Antonov aircraft with our satellites
for Gen1, demonstrating how close we are to truly global connectivity", it
said.
"Bon voyage, satellites!", the tweet said.
After the second batch satellites were launched, Oneweb will have two more
missions to complete the constellation.
The first batch of 36 satellites was successfuly launched by heaviest launch
vehicle LVM-3, previously called as the GSLV-MkIII, from the SHAR Range
on October 23, 2022, marking ISRO's historic entry into the 'Global Commercial
Launch Service Market' in a dedicated commercial mission.
About 20 minutes after lift off, all the satellites were successfully injected
into the Low Earth Orbit (LEO).
The 43.5 m tall three-stage vehicle, with a total lift-off mass of 644 tonnes,
had placed the satellites into a circular LEO of 601 km with an inclination
of 87.4 Deg to the equator.
The October 23 mission is the fifth flight of LVM3 and with this launch, LVM3
made its foray into the 'Global Commercial Launch Service Market', to carve
a niche for itself as done by ISRO's most trusted, workhorse and versatile
PSLV, which will have to retire one day paving the way for Next Gen Cost
Effective Launch Vehicle (NGLV). "PSLV has to retire one day and it will be
replaced NGLV", ISRO Chairman Dr.S.Somanath had said.
It is the first multi-satellite mission with 36 OneWeb Satellites to the LEO as
the heaviest payload mass of 5,796 kg of LVM3 till date.
It was the first commercial mission of LVM3, first multi-satellite mission with
36 OneWeb satellites onboard, First launch of LVM3 to LEO, First Indian rocket
with six ton payload, First NSIL mission with LVM3 and the First OneWeb Mission
with NSIL/DoS.
OneWeb is a global communication network powered from space enabling
connectivity for governments, businesses and communities. It is implementing
a constellation of LEO satellites.
India's Bharti Enterprises serves as a major investor and shareholder in OneWeb.
This is OneWeb's 14th launch and with ISRO and NSIL opens up the space sector
in India.
The constellation will have a total of 648 satellites.
OneWeb Gen-1 are 150 kg class satellites. The payload is a bent-pipe system
operating in Ka and Ku-band. The forward link receives Ka-band signals from
the Gateway via the satellite Ka antenna. The return link receives Ku-band
signals from the User Terminals (UTs) via the satellite Ku antenna.
OneWeb Constellation operates in a LEO Polar Orbit. The Satellites are arranged
in 12 rings (Orbital planes) with 49 satellites in each plane. The orbital planes are
inclined to be near polar (87.9 Deg) and are 1,200 km above the Earth.
Each satellite completes a full trip around the earth every 109 minutes. since the
earth is rotating underneath the satellites, they will always be flying over new
locations on the ground.
ISRO said in full service, each plane will have 49 satellites equal to 588 satellites.
The first Oneweb Mission in a way was Russia's loss and India's gain.
Till recently, OneWeb has been launching its satellites by Russian rockets after
inking a pact with Russian Space Agency Roscosmos.
Since the break out of Russia-Ukraine war, OneWeb has suspended its cooperation
with Roscosmos and turned to the Indian Space Agency for launching its satellites.
The NewSpace India Limited (NSIL), a CPSE under the Department of Space and the
commercial arm of ISRO, has signed two launch service contracts with M/s Network
Access Associated Limited (M/s OneWeb), United Kingdom, for launching OneWeb
LEO Broadband Communication Satellites on-board ISRO’s heaviest launcher LVM3.
It was for the first time LVM3/GSLV-MkIII, designed to launch four ton class satellites
in the Geosynchronous Transfer Orbit (GTO), was used for placing satellites in the LEO.
The rocket can carry a payload of up to ten tons for placing satellites in LEO.
OneWeb will connect towns, villages, and local and regional municipalities in the hardest
-to-reach areas, thus playing a critical role in bridging the digital divide across India.
UNI GV 1825

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