21 Oktober 2009

New Artillery Locating Radar from Poland is Operational

21 Oktober 2009

The first serial (up on the prototype) radar RZRA-201 Liwiec during recent tests at the PIT. Liwiec consists of 3 major subsystems: radar head, the subsystem of data processing and control functions along with radar and ballistic calculations, and communications operator positions. The device also includes integrated power supply, navigation, diagnostics, and synchronization, and ancillary equipment. Liwiec serial version is set to Jelcz 662 chassis with 4-person cab armor (Level 1 STANAG 4569), in which the installed communications systems and substitute a battlefield management system with a digital map of a navigation device cooperating with Tallinn 5000 Jelcz is equipped with a central control system for tire pressure, tire liners are equipped with ballistic. (all photos : Wojski i Technika)

Liwiec Delivered Artylery System

The first of the three previously ordered new radar artillery RZRA Liwiec-201 (designated by the manufacturer, the Industrial Institute of Telecommunications as CRL-100) is September 29, 2009 formally transferred to the service in the 1st Artillery Brigade Węgorzewie.

Two other radars are almost ready (had to be in accordance with the agreement of 2007 provided for mid-September) and loaded into the service within a few weeks - a delay is a result of arrangements relating to the situation in 2009 Defense Budget. Delivery in the implementation of Liwiec work is carried out under contract with the Department for Armaments Policy in June 2007. The value of the contract set at 44 million.

According to the original assumptions Missile Forces and Artillery Army took until 2025 for up to 25 radars Liwiec (2018 - 19 pc), but recent decisions leading to changes in the structure of the WL and the creation of artillery on the basis of existing brigades and regiments ultimately 3 artillery regiments Liwiec number of radars will probably be reduced to 10 after 3 for artillery regiments and one for the Torun Center.

Liwiec is operated by a crew consisting of 3 persons. Apparatus is built in three cabins modules. They, together with the generator installed on a standard platform container. Liwiec platform (weighing 7 tons) can freely be transported by air, sea or land transport means, adapted for the carriage of container platforms. The modular design promotes the installation of the chassis as indicated by the user.

During the development of the system (research and development work was carried out in 2003-2006 with funding from the Defense and the Ministry of Science and Higher Education - a total of about 37 million, plus its own resources PIT) on the basis of achievements gained in the development of a unique secondary radar station TRC-20 range Brdo. Reached such detection range of more than 40 km (80 km), small - on the order of single km - a dead zone, work with a view to covering 90 ° in azimuth (a total of 270o, taking into account market basis), and from 0 ° to 20 ° in elevation. Obtained the ability to detect objects with an average effective reflecting surface of 0.001 m2, which in practice corresponds to the ability to detect missile fired from a cannon ZU-23-2 (caliber 23 mm) at a distance of several kilometers. This was accompanied by high accuracy estimation of the measured coordinates, the coordinates of the location estimation accuracy SOAP and fall of a projectile point (PUP) the order of tens of meters (distance function). Achieved frequency of renewal of information about objects of less than 0.5 seconds for the scan and 0.1 ÷ 0.5 s with the active tracking.


See Also :

PIT Unveils New Weapon Locating Radar

07 Juli 2009

Poland's main radar systems and technology enterprise, the Industrial Institute of Telecommunications (Przemyslowy Instytut Telekomunikacji – PIT), aired new details of its WLR-100 weapon locating radar at the recent Czech IDET defence technology and security systems show in Brno.

The chief utility of this type of radar is to detect and track multiple types of incoming ordnance of any calibre greater than 23 mm (a radar cross section of 0.001 m2 ) and project their impact points. After identifying the number, size, trajectory and point of impact of any ordnance fired, the onboard computer's ballistic computation module is then able to backplot the trajectory and achieve a fix on the opposing forces' firing position.

"This allows any units being protected by the WLR-100 to transmit those co-ordinates to close air support aircraft or their own artillery," one of the PIT designers told Jane's . "The accuracy of the system for identifying both the impact point of the ordnance in flight and the point of origin is better than 1 per cent."


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