Miss Distance Indicator (MDI)

Use: To allow real time assessment of live firings

The Universal Target Systems Ltd (UTSL) airborne Miss Distance Indicator (MDI) Scoring System is part of the MSAT-500 NG Aerial Target System. MSAT-500 NG is a reliable training tool assuring a solution to cost effective training budgets for air defence gunnery, missile firings and weapon operator training. Operational over both land and sea MSAT-500 NG can be utilised to simulate the threat of attacking enemy aircraft, missiles and RPVs/drones.

The MDI Scoring System is used against all calibres of shell and can typically sense the projectile out to a range of 10 metres (32 feet). When a shell passes through the sensing zone its generated shock wave is picked up by the sensors mounted in the front nose cone. The trigger data is added to the live telemetry stream. This telemetry data is received by the telemetry receiver, decoded and sent to the computer which processes the data and displays and records the information in an easy to understand and simple interface. Missions can be recorded together with ballistic and any other information, a print out of which can be made for post firing analysis.

The MDI Scoring System is made of only 3 main components; the airborne transceiver, the ground based receiver and its separate computer. The system is robust, easy to use and maintain. The airborne equipment is water proof and maintenance free. Except for the computer, (which must be housed in a normal controlled environment) the rest of ground equipment is completely weather proof.

General specifications:
Sensing range: 10 metres (32 feet) according to calibre
Sensor type: Solid state switch Doppler
MDI unit transceiver weight: 2.75 kg
Telemetry frequency: 450 MHz UHF band (according to customer)
Antenna type: High gain di-pole
Operating voltage: 12 volt DC
Transceiver weight: 2.2 kg
Telemetry frequency: 450 MHz UHF band (according to customer)
Antenna type High: High gain di–pole or yagi
Operating voltage: 220 volt AC
Computer: Laptop with proprietary software and operating system
Power: Self powered (rechargeable battery)