DRDO and PSUs

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Pundit Pikachu said:
Passive Coherent Location Radar (PCLR)
View attachment 36011

It detects and tracks targets utilising the opportunity FM broadcast transmission. Uses low frequency of operation which is highly suitable for low observable target detection. The Radar is completely passive, covert, immune to Anti-Aadiation Missile attack and jamming. The system works in multistatic configuration with multiple geographically separated receivers which makes it suitable tor detecting Stealth targets.
It is a low Cost, green Radar requiring low maintenance. System can be used for military as well as commercial applications

Technology Used
• Passive and Multistatic
• Advanced Adaptive Signal Processing Algorithms
• Multilateration and Multistatic Tracking
• Element level Circular Array Beamforming
• Simultaneous processing of multiple transmitters and multiple frequencies

Application
• Cross border surveillance without alerting neighbouring nations
• Passive surveillance for military and inland security operation
• Continuous gap free inland surveillance
• Augment existing Radar coverage
• Provides queue to Active Phased Array Radar systems for LPI mode of operation
• Monitoring of commercial and military traffic

Status
• Deployed at Bangalore, ready for demonstration
Click to expand...
Would be perfect in consort with BSNL towers, AIR radio towers and prasar Bharti stations. If we can safely integrate private sector even better. With a long range IRST system. Integrated into IACCS. Rude surprise for even stealth platforms.
 
Anupu said:
Would be perfect in consort with BSNL towers, AIR radio towers and prasar Bharti stations. If we can safely integrate private sector even better. With a long range IRST system. Integrated into IACCS. Rude surprise for even stealth platforms.
Click to expand...
Bad idea. Those towers are emitting targets, and critical civilian infra. Colocating military passive antennas with them makes both a slightly higher priority target for the enemy. Will be two bird with one stone for enemy. Located separately, passive antenna will be more difficult to find and civil mobile towers won't be a priority target since they have no military purpose.
 
Okabe Rintarou said:
Bad idea. Those towers are emitting targets, and critical civilian infra. Colocating military passive antennas with them makes both a slightly higher priority target for the enemy. Will be two bird with one stone for enemy. Located separately, passive antenna will be more difficult to find and civil mobile towers won't be a priority target since they have no military purpose.
Click to expand...
No one’s talking about physically sticking passive radars on BSNL towers. The coordination just means having access to their signal specs, frequencies, timing, modulation etc. so the passive receivers placed elsewhere can track reflections accurately. It’s about backend cooperation, not colocation.

Also, you can quietly embed known patterns or metadata into FM or TV signals stuff civilians won’t notice, but that helps the radar system lock onto reflections better.

Same with mobile towers, you can do small changes too like adding regular blips or patterns in the signal that don’t affect calls or data. These help the radar system recognize and track targets more easily. Since mobile towers are already time-synced, it also makes it easier to figure out where something is using signals from different places.
 
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