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Yamal-300K

Russian communications satellite launched in 2012

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionDec 29, 2025
Entity authorityQ41459 ↗
Source-derived summary

Yamal-300K (Russian: Ямал-300К) is a geostationary communications satellite operated by Gazprom Space Systems and built by ISS Reshetnev on the Ekspress-1000 satellite bus. It was the first switch of satellite supplier in Yamal programme after Gazprom had disagreements on the schedule and cost of Yamal-301 and Yamal-302 with RSC Energia. It is a 1,870 kg (4,120 lb) satellite with 5.6 kW of power on an unpressurized bus designed for direct geostationary orbit injection with 14 years of design life. Its payload was supplied by Thales Alenia Space and is composed of 8 x 72 MHz C-band and 18 x 72 MHz Ku-band transponders for a 36 MHz equivalent of 52 transponders. Its transmitted power is 110 watts in C-band and 140 watts in Ku-band.

Launch

Yamal-300K was launched along Luch 5B on 2 November 2012 at 21:04:00 UTC from Baikonur Site 81/23 by a Proton-M / Briz-M directly to geostationary orbit. The launch and satellite deployment was successful and Yamal-300K was commissioned into service.

Mission

As of 12 May 2020, it is still in service, but has been moved to 183° East (177° West).

Editorial summary

“Yamal-300K” enters the record as russian communications satellite launched in 2012. Crown Archives preserves that source wording while asking what Yamal-300K, Russian and communications can confirm, complicate or overturn.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1000, 2012, 2020—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Yamal-300K, Russian and communications.
Editorial analysis

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“Yamal-300K” is worth following because a concise public description often conceals a longer documentary argument. Here, Yamal-300K, Russian and communications provides the most credible route into that argument.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Dec 29, 2025. The linked authority identifier is Q41459. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1000, 2012 and 2020.

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Source & attribution

This entry incorporates text from “Yamal-300K” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.