Russian
Russian(s) refers to anything related to Russia, including:
*Russians (, ''russkiye''), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries
*Rossiyane (), Russian language term for all citizens and peo ...
communications satellite
A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth ...
ordered by
Gazprom Space Systems
OJSC Gazprom Space Systems (russian: ОАО «Газпром космические системы»), previously known as (Gazcom) (russian: «Газком»), is a Russian communications satellite operator and developer.
Overview
Gascom currentl ...
from
Thales Alenia Space
Thales Alenia Space () is a Franco-Italian aerospace manufacturer. A joint venture between the French technology corporation Thales Group (67%) and Italian defense conglomerate Leonardo (33%), the company is the largest satellite manufactur ...
satellite bus
A satellite bus (or spacecraft bus) is the main body and structural component of a satellite or spacecraft, in which the payload and all scientific instruments are held.
Bus-derived satellites are opposed to specially produced satellites. Bus- ...
for its Yamal programme. The satellite has mass of and 11 kW of payload power with over 15 years of design life. Its payload was also supplied by Thales Alenia Space and is composed of 38 C-band and 32
Ka-band
The Ka band (pronounced as either "kay-ay band" or "ka band") is a portion of the microwave part of the electromagnetic spectrum defined as frequencies in the range 26.5–40 gigahertz (GHz), i.e. wavelengths from slightly over one centime ...
transponders
In telecommunications, a transponder is a device that, upon receiving a signal, emits a different signal in response. The term is a blend of ''transmitter'' and ''responder''.
In air navigation or radio frequency identification, a flight tran ...
. It replaced Yamal-202 on 49° East as Yamal-202 was slated to reach its end of service around 2019.
History
In 2013,
Gazprom Space Systems
OJSC Gazprom Space Systems (russian: ОАО «Газпром космические системы»), previously known as (Gazcom) (russian: «Газком»), is a Russian communications satellite operator and developer.
Overview
Gascom currentl ...
Board decided on a new plan. It required two new spacecraft: Yamal-501 and Yamal-601. In January 2014, Gazprom and Thales announced a contract for a new spacecraft, Yamal-601. In 2015, the
Yamal-401
Yamal-401 (russian: Ямал-401) is a Russian geostationary communications satellite operated by Gazprom Space Systems. It was built by ISS Reshetnev and is based on the Ekspress-2000 satellite bus. It is equipped with 17 C-band and 36 Ku-b ...
history would repeat itself, and the contract of Yamal-601 with Thales was cancelled and was reassigned to
ISS Reshetnev
JSC Information Satellite Systems Reshetnev (russian: Информационные спутниковые системы имени академика М. Ф. Решетнёва, Informatsionnye sputnikovye systemy imeny akademika M. F. Reshetnyov ...
, but Thales was again allowed to keep the payload supply. However, in 2016, this decision to give the spacecraft bus development contract to ISS Reshetnev was reversed, and Thales Alenia Space ended up developing and building the whole satellite, bus and payload.
Launch
The satellite was launched on 30 May 2019, at 17:42:00 UTC. On 24 June 2019, the satellite was inserted into nominal geostationary orbit.
Mission
The satellite is intended for the replacement of the Yamal-202 satellite and business development in the
Ka-band
The Ka band (pronounced as either "kay-ay band" or "ka band") is a portion of the microwave part of the electromagnetic spectrum defined as frequencies in the range 26.5–40 gigahertz (GHz), i.e. wavelengths from slightly over one centime ...
. On 19 July 2019, the satellite was finally put into operation, transferring all the networks from the Yamal-202 satellite to it.
See also
* Yamal – communication satellite family operated by Gazprom Space Systems
*
Gazprom Space Systems
OJSC Gazprom Space Systems (russian: ОАО «Газпром космические системы»), previously known as (Gazcom) (russian: «Газком»), is a Russian communications satellite operator and developer.
Overview
Gascom currentl ...
– satellite communication division of the Russian oil giant Gazprom