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BRadar & sensors
Measured figures
BEL Battle Field Surveillance Radar · around
Single sourcearound 30 kg[source]
Configuration
| Specification | AN/TPQ-36 Firefinder radar | BEL Battle Field Surveillance Radar |
|---|---|---|
| Speed | — | 0.9 m/s to 90 km/h[source]Source text · numeric interpretation needs review |
| Power | — | 80 W[source] |
| Role | transportable radar[source] | — |
| Manufacturer | Northrop Grumman[source] | Bharat Electronics Limited[source] |
| Source measurement | Engineering development of the TPQ-36 began October 1973. Although full scale production was approved in December 1977, the system did not achieve full scale production until August 1978. Low rate initial production (LRIP) began in December 1976 ending in February 1981. Total crew size required for missions and operational requirements for extended periods was initially estimated at 8 personnel. |
Crawling Man
Single sourceGroup of people
Single sourceHeavy Vehicles
Single sourceLight Vehicles
Single sourceWalking Man
Single sourceCrawling Man : 700 m (0.43 mi) Walking Man : 3 km (1.9 mi) Group of people : 7 km (4.3 mi) Light Vehicles : 10 km (6.2 mi) Heavy Vehicles : 14 km (8.7 mi)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Its maximum range is 15 miles (24 km) with an effective range of 11 miles (18 km) for artillery and 15 miles (24 km) for rockets. Its azimuth sector is 90°. It operates in the X-band at 32 frequencies. Peak transmitted power is 23 kW, min.[source]AN/TPQ-36 Firefinder radar · Operations/maintainers/specifications; only the objects and conditions stated in this passage
It features permanent storage for 99 targets, has a field exercise mode and uses a digital data interface.[source]AN/TPQ-36 Firefinder radar · Operations/maintainers/specifications; only the objects and conditions stated in this passage
| — |
| Country of origin | United States[source]Country/countries explicitly given in the equipment row Origin column; not the country operating the row. AN/TPQ-36 Firefinder United States[source]Inventory Origin column; table 8, row 8, cell 4; revision 1377480423; retrieved 2026-10-01 | India[source] |
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| Designer | — | Electronics and Radar Development Establishment ( DRDO )[source] |
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| No. built | — | 1400+[source] |
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| Frequency | — | J band[source] |
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| Azimuth | — | 30-180°[source] |
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| Elevation | — | -40 to +15°[source] |
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| Precision | — | ±20 meters (66 ft)[source] |
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| Other names | — | PJT-531[source] |
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| Detection Range | — | Crawling man: 500 m Walking man: 2 km (1.2 mi) Group of people: 7 km (4.3 mi) Light vehicle: 10 km (6.2 mi) Heavy vehicle: 14 km (8.7 mi)[source] |
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| Crawling man | — | 500 m[source] |
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| Walking man | — | 2 km (1.2 mi)[source] |
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| Group of people | — | 7 km (4.3 mi)[source] |
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| Light vehicle | — | 10 km (6.2 mi)[source] |
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| Heavy vehicle | — | 14 km (8.7 mi)[source] |
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| Range accuracy | — | 20m rms[source] |
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| Range resolution | — | 50 m[source] |
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| Radar type | — | man portable 2D short-range battlefield and perimeter surveillance radar[source] |
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| Reported operators |
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