Ground Master 400

The Ground Master 400 is a mobile long range radar system manufactured by Thales (formerly by Thales-Raytheon Systems).[1] GM400 is a fully digital active electronically scanned array long-range air defense 3D radar, offering detection from very high to very low altitudes. It tracks a wide range of targets from highly maneuverable tactical aircraft flying below several hundred feet to the unconventional small radar cross section devices, such as UAVs or cruise missiles.

Ground Master 400
Finnish Ground Master 403
Country of origin France
Introduced2007
No. built>90
TypeDigital 3D AESA
FrequencyS banded
RPM10
Range470 km (290 mi) GM400
515 km (320 mi) GM400α
Altitude30,500 m (100,100 ft)
Azimuth360°
Elevation20° and 40-60°
Precision<50 m (160 ft)

The system can be set up by a four-man crew in 60 minutes and can be remotely operated. The system fits in a 20-feet shipping container and weighs less than ten tons. The system can be rapidly deployed mounted on a 6x6 or 8x8 tactical truck and can be transported by a single C-130 aircraft or a helicopter.[2]

The GM400 with a field-proven operational availability of more than 98,5% and a MTBCF of 3500 hrs has been selected by many countries as well as France to protect the European Space Agency's Guiana Space Centre. The system was to be operational by the end of 2012.[3]

The GM400 family includes the GM403 and the GM406. The GM406 has a transmitter which is twice as powerful as the GM403, giving it 20% greater range, increasing from 390 km to 450 km. The GM406 is primarily designed to equip fixed sites, with the GM403 designed to be deployable.

In 2021, Thales introduced a new version, GM400α, with 5 times more processing power, extended range from 470 to 515 km and upcoming advanced artificial intelligence algorithms.[4][5]

These systems are part of the Ground Master family of radars (alongside the medium range GM200 and GM200 MM/A and MM/C as well as the short-range GM60 and its variants) and have been purchased by many countries.[6]

Main characteristics
  • Air Surveillance Radar
  • Crew: 4
  • S-band, 3D AESA Radar
  • GaN technology
  • Modern algorithm to mitigate windfarm effect
  • 10 RPM Rotation Rate
  • High, medium and low-altitude detection, long-range air defense sensor
  • Detects fixed- and rotary-wing aircraft, cruise missiles, UAVs, and tactical ballistic missiles
  • Coverage:
    • Azimuth: 360°
    • Elevation: 20° and 40°
  • Performance:
    • Detection range:
      • Fighter aircraft: > 450 km
      • Cruise missile: > 250 km
    • Max detection rate in altitude: 30.5 km
    • Instrumented range: 515 km
  • High mobility, transportability, and reliability
  • GM400 requires minimum maintenance (30 hours/year)
  • Technical characteristics:

Operators
Map with Ground Master 400 operators in blue
  •  Bangladesh: 2 systems [7]
  •  Bolivia: 4 systems "Ministro de Defensa visita Fábrica de Radares en París", mindef bolivia
  •  Chile: 9 systems
  •  Estonia: 2 Ground Master 403 systems,[8] 2 more Ground Master 400 Alpha systems ordered in June 2023.[9][10]
  •  Finland: 12 Ground Master 403 systems.[8] Local designation is Keva 2010.[11]
  •  France: 3 GM 406 systems[8] and 12 GM 403 systems[12]
  •  Georgia: 6 GM 403 and GM 200 systems[13][14]
  •  Germany: 6 systems[8]
  •  Indonesia: 13 GM400α systems[15][16]
  •  Iraq: 9 systems[17]
  •  Malaysia: 2 systems in service,[8] 1 more on order.[18]
  •  Morocco: 3 systems
  •  Senegal: 2 systems [19]
  •  Serbia: 2 systems on order, delivery in 2023[20][21]
  •  Slovenia: 2 Ground Master 403 systems.[8]

See also
Wikimedia Commons has media related to Ground Master 400.

References
  1. "Defence Update: Finland Selects Norwegian/U.S. NASAMS for SA-11 Replacement". Archived from the original on 2017-12-10. Retrieved 2012-09-08.
  2. Deagel: Ground Master 400
  3. "Thales Group". Archived from the original on 2013-08-02. Retrieved 2012-09-08.
  4. "Ground Master 400 Alpha, taking long-range air surveillance to the next level". Thales Group. Retrieved 2021-11-26.
  5. "Ground Master 400 Alpha". Thales Group. Retrieved 2023-06-18.
  6. "Thales fête le 100e déploiement dans le monde d'un radar de sa gamme Ground Master pour la protection de l'espace aérien national | Zone bourse".
  7. "Thales vend des radars high-tech au Bangladesh", La Tribune, 9 July 2020.
  8. Wolff, Christian. "Ground Master 400 (GM 400)". Radartutorial.eu. Retrieved Oct 22, 2015.
  9. "Estonia adds more Thales radars to boost air defences". Shephard. London. 26 June 2023. Archived from the original on 2 July 2023. Retrieved 2 July 2023.
  10. Savage, Olivia (26 June 2023). "Paris Air Show 2023: Estonia selects Thales long-range radar to bolster air surveillance". Jane's. Archived from the original on 2 July 2023. Retrieved 2 July 2023.
  11. "Finnish Defence Forces' webpage". Archived from the original on 2016-03-04. Retrieved 2012-09-08.
  12. "Inauguration of a new air defense radar, the GM 406". Defence France. France. 26 October 2017. Retrieved 31 July 2021.
  13. "Armement : la France fait une belle percée en Géorgie", La Tribune, 17 July 2015.
  14. "Military Air Defense Day was celebrated at Alekseevka military base". NEWS. Georgia. 31 May 2018. Retrieved 31 July 2021.
  15. "Thales, PT Len partner for Indonesia's new air surveillance radars". Janes.com. Retrieved 2022-06-03.
  16. "Thales to reinforce Indonesia's Sovereign Airspace Protection capabilities with PT Len". Thales Group. 2023-06-19. Retrieved 2023-06-22.
  17. "العراق يتسلم رادارات فرنسية". www.rudawarabia.net. Retrieved 2022-11-03.
  18. https://www.malaysiandefence.com/thales-wins-long-range-radar-contract/amp/
  19. "Senegal Buys Ground Master radar from Thales", defenceprocurementinternational
  20. "Srbija sledeće godine dobija nove Talesove radare za Vazdušno osmatranje, javljanje i navođenje". 23 December 2021.
  21. "Stefanović o nabavci "korneta": Srbija sada ima ubojito oružje".
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