ARTHUR (an acronym for "artillery hunting radar") is a counter-battery radar system originally developed jointly for and in close co-operation with the Norwegian and Swedish armed forces by Ericsson Microwave Systems in both Sweden and Norway. It is also used by the British Army, under the names mobile artillery monitoring battlefield radar or mobile artillery monitoring battlefield asset (MAMBA).
| ARTHUR | |
|---|---|
.jpg) An Italian ARTHUR used on exercise | |
| Type | Passive electronically scanned array |
| Place of origin |  Sweden /  Norway |
| Service history | |
| In service | 1994–present |
| Used by | See Operators |
| Wars | War in Afghanistan, Iraq War Russian invasion of Ukraine in 2022 |
| Production history | |
| Manufacturer | Saab AB |
| Unit cost | SEK 27 million (1996)[1] |
| No. built | 80 (by 2020)[2] |
| Variants | Mod A, Mod B, Mod C, Mod D |
| Specifications | |
| Crew | 4 |
 The radar on the ARTHUR | |
| Country of origin | Sweden/Norway |
|---|---|
| Type | Passive phased array |
| Frequency | C (G/H)-band |
| Range | 60 kilometres (37 mi) Mod C 100 kilometres (62 mi) Mod D |
| Precision | 60 m (200 ft) |
| Other Names | MAMBA |
It is a mobile, passive electronically scanned array C-band radar for the purpose of enemy field artillery acquisition and was developed for the primary role as the core element of a brigade or division level counter battery sensor system. The vehicle carrying the radar was originally a Bandvagn 206 developed and produced by Hägglund & Söner, but is now more often delivered on trucks with ISO fasteners.
The radar is now developed by Saab AB Electronic Defense Systems (after EMW was sold to Saab in June 2006) and Saab Technologies Norway AS.
Role
editThe ARTHUR detects hostile artillery by tracking projectiles in flight. The original ARTHUR Mod A can locate guns at 15–20 km and 120 mm mortars at 30–35 km with a circular error probable of 0.45% of range. This is accurate enough for effective counter-battery fire by friendly artillery batteries. ARTHUR can operate as a stand-alone, medium-range weapons locating radar or a long-range weapon locating system, consisting of two to four radars working in coordination. This flexibility enables the system to maintain a constant surveillance of an area of interest.
The upgraded ARTHUR Mod B meets the British Army's MAMBA requirement for locating guns, mortars or rockets. It can locate guns at 20–25 km and 120 mm mortars at 35–40 km with a circular probable error of 0.35% of range. MAMBA was successfully used by the British Army in Iraq and Afghanistan, with an availability of 90%.[2]
ARTHUR Mod C has a larger antenna and can detect guns at 31 km, mortars at 55 km and rockets at 50–60 km depending on their size, and locate targets at a rate of 100 per minute with CEP 0.2% of range for guns and rockets and 0.1% for mortars.[2]
ARTHUR WLR Mod D will have several improvements, including an instrumented range of up to 100 km, an accuracy of 0.15% of range, and will cover an arc of 120°. The detection range is between 0.8 and 100 km and could possibly increase to 200 km. More than 100 targets can be tracked at the same time.
It can be carried by a C-130 or slung under a heavy lift helicopter such as a Chinook. Its air mobility allows it for use by light and rapid reaction forces such as airborne and marine units.
Nordic Battle Group
editThe use of the ARTHUR in Nordic Battle Groups will primarily concentrate on preventing the use of artillery barrages in civilian areas, since the radar can identify an artillery unit guilty of targeting civilians. It will also be used to warn friendly mission troops of incoming indirect fire.[3]
Operational modes
edit_MOD_45148327.jpg)
ARTHUR can be operated in two main modes: weapon locating and fire direction. Weapon locating is used to determine the location of the guns, mortars or rocket launchers that fired and their target area. Fire direction is used to adjust the fire of own artillery onto target coordinates.
Weapon locating
editWhen locating enemy artillery, the radar tracks the up-going trajectory of shells, calculates their points of origin and impact and, with other information, displays it to the radar operator(s). Depending on national tactics, techniques, procedures, the commander's orders and the situation, this information may be used to alert any troops in the impact area and engage the hostile batteries with counter-battery fire. If the users have digital communications networks these messages may be sent automatically.
The ARTHUR can determine whether the artillery piece is of artillery-type, rocket-type or mortar-type based upon the curve of the trajectory, the munition's speed, and its range.
Fire direction
editWhen in fire direction mode the radar calculates the expected impact location of the friendly fire. From this corrections are calculated and reported to hit the target coordinates.
Sweden also uses the radar for 'fall of shot' calibration.
Threats
editRadars are easy to detect and locate if the enemy has the necessary ELINT/ESM capability. The consequences of this detection are likely to be attack by artillery fire or aircraft (including anti-radiation missiles) or ECM. In other circumstances ground attack with direct fire or short range indirect fire are the main threat. The usual measures against the first are using a radar horizon to screen from ground-based detection, minimising transmission time, deploying radars singly and moving frequently. Swedish ARTHUR units usually operate in groups of three that guard the immediate surroundings.
Operators
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Current operators
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Canada – Canadian Army: On lease for operations in Afghanistan.[4][unreliable source?][5]
Czech Republic – Czech Armed Forces: 3 units[6][4][5]
Denmark – Danish Army: Being phased out under the last agreement for the Danish Defence[5]
Greece – Hellenic Army[4][5]
Italy – Italian Army: Initially leased for use in Iraq 2003/2004. In 2009 Italy decided to buy the system which has been in use since at least 2013 in 5 units.[4][5]
Malaysia[4]
Norway,[4][5] to be replaced by 8 Thales Ground Master 200 MM/C in 2024[7][8]
Singapore[4]
South Korea – Reportedly purchased Mod C in 2007, in 2011 Saab received a follow-up order.[9][5] About 20 are positioned near the Korean Demilitarized Zone.[2]
Spain[4][5]
Sweden[4][5]
United Kingdom – British Army: As of 22nd July 2024, five next generation Arthur systems, named TAIPAN by the British Army, have been delivered, accepted, and are now with 5th Regiment Royal Artillery.
See also
editReferences
edit- ^ "ARTHUR - Artillery Hunting Radar on BV206". one35th.com. 2 June 2008. Archived from the original on 17 May 2011. Retrieved 26 March 2022.
- ^ a b c d Dalløkken, Per Erlien (11 March 2020). "17 år etter Irak: Britene ruster opp sine norsk-svenske artillerijegere". Teknisk Ukeblad (in Norwegian). Archived from the original on 12 March 2020. Retrieved 26 March 2022.
- ^ "ISTAR och artillerilokaliseringsradarn ARTHUR" (in Swedish). Swedish Armed Forces. Archived from the original on 27 September 2007. Retrieved 17 January 2007.
- ^ a b c d e f g h i "IDE and Saab team up to support the Hellenic Army's ARTHUR systems". Army Technology. 19 December 2013. Archived from the original on 6 August 2016. Retrieved 6 July 2016.
- ^ a b c d e f g h i "Saab Sells the ARTHUR Radar System to Italy". Defence Aerospace. Archived from the original on 15 September 2016. Retrieved 6 July 2016.
- ^ "Artillery Radar System ARTHUR". Ministry of Defence & Armed Forces of the Czech Republic. Archived from the original on 17 July 2011. Retrieved 6 July 2016.
- ^ Dalløkken, Per Erlien (2021-05-25). "Nå skal disse kanonene siktes kjapt inn på fienden ved hjelp av nye radarer". Tu.no (in Norwegian). Teknisk Ukeblad.
- ^ "Forsvarsmateriell med nytt radarkjøp for 460 millioner kroner". 23 November 2022.
- ^ "Saab receives order for weapon locating system" Archived 2011-07-15 at the Wayback Machine, accessed February 28, 2011
- ^ Armed Forces of Ukraine Use British ARTHUR Counter-battery Radar