Preparing your view.
ARadar & sensors
Measured figures
BEL Battle Field Surveillance Radar · around
Single sourcearound 30 kg[source]
Configuration
| Specification | BEL Battle Field Surveillance Radar | Swathi Weapon Locating Radar |
|---|---|---|
| Speed | 0.9 m/s to 90 km/h[source]Source text · numeric interpretation needs review | — |
| Country of origin | India[source] | India[source] |
| Manufacturer | Bharat Electronics Limited[source] | Bharat Electronics[source] |
| Designer | Electronics and Radar Development Establishment ( DRDO )[source] |
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]
Artillery → Rockets →
Single sourceMortars →
Single sourceBars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Electronics and Radar Development Establishment[source] |
| No. built | 1400+[source] | 53+[source] |
|---|
| Frequency | J band[source] | C band[source] |
|---|
| Azimuth | 30-180°[source] | +/-45° Electronic scan (Slewable Array)[source] |
|---|
| Elevation | -40 to +15°[source] | -5 to 75°[source] |
|---|
| Precision | ±20 meters (66 ft)[source] | — |
|---|
| Other names | PJT-531[source] | Swathi[source] |
|---|
| 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] | — |
|---|
| Crawling man | 500 m[source] | — |
|---|
| Walking man | 2 km (1.2 mi)[source] | — |
|---|
| Group of people | 7 km (4.3 mi)[source] | — |
|---|
| Light vehicle | 10 km (6.2 mi)[source] | — |
|---|
| Heavy vehicle | 14 km (8.7 mi)[source] | — |
|---|
| Range accuracy | 20m rms[source] | — |
|---|
| Range resolution | 50 m[source] | — |
|---|
| Radar type | man portable 2D short-range battlefield and perimeter surveillance radar[source] | — |
|---|
| Type | — | Artillery Locating Radar[source] |
|---|
| Operating temperature | — | –20 to +55 °C[source] |
|---|
| > 81 mm mortars | — | 2–20 km[source] |
|---|
| > 105 mm guns | — | 2–30 km[source] |
|---|
| Unguided rockets | — | 4–48 km[source] |
|---|
| Elevation coverage | — | −5 to 75°[source] |
|---|
| Azimuth coverage | — | ±45° mean settable bearing[source] |
|---|
| Slewability | — | ±135° within 30 seconds.[source] |
|---|
| Targets tracking | — | 7 simultaneously (maximum)[source] |
|---|
| Firing angles | — | Both High & Low[source] |
|---|
| Aspect angles | — | 0–180°[source] |
|---|
| Instrumented range | — | 50 km[source] |
|---|
| Frequency band | — | C band[source] |
|---|
| Probability of | — | Detection: 0.9 False alarm: 10 −6[source] |
|---|
| Detection | — | 0.9[source] |
|---|
| False alarm | — | 10 −6[source] |
|---|
| Weapon locations | — | 99 stored (maximum)[source] |
|---|
| Digital map storage | — | 100 × 100 km[source] |
|---|
| Storage temperature | — | –40 to +70 °C[source] |
|---|
| Damp heat | — | 95% RH at 40 °C[source] |
|---|
| Operational altitude | — | Up to 16,000 feet (4,900 m)[source] |
|---|
| Reported operators |
| — |
|---|
Range
Single sourceArtillery → 2-30 km Rockets → 4-80 km Mortars → 2-20 km[source]