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SSR

Secondary Surveillance Radar

NEC's Secondary Surveillance Radar is an advanced Mode S/Mono-pulse Secondary Radar (MSSR) for Enroute and approach control area.

NEC has developed the unique system architecture focusing on maintainability and future logistic supports that improve system re-configuration and enable system lifetime extension without major hardware changes.
Over 12 years of experience of the Mode-S/MSSR development provides our customers with higher performance radar in high density air traffic control environment.
The Mode S capabilities such as selective interrogation and data link offers the customers safer and more effective air traffic control services.

  • ICAO standard mode-S model available
  • High performance Mono-pulse technique
  • Redundant and fault tolerant configuration
  • Easy to use and to maintain
  • Safe and easy replacement and repair
 

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Antenna
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Transmitter / Receiver

Technical Characteristics

Coverage Range 60 nmi. / 100 nmi. / 250 nmi.
Altitude 100,000 ft
Elevation 0.5 to 45°
LVA Antenna LVA Antenna 6 rpm, 15 rpm
Gain ≧ 24 dB
Beamwidth 2.5°
Interrogator/
Receiver
Interrogation modes

1, 2, 3/A, C, Intermodes, All-call, Roll-call

Mode S datalink modes SLM, ELM
Transmit power 1 kW / 1.5 kW
Accuracy



Azimuth < 0.06°
Range < 30 m
Range (Mode S) < 17 m
Mode A, C Code detection > 95%
Mode S Code detection Error < 10-7
Probability of detection (Pd) > 95%
False target reports ratio < 2%
Communications
Navigation
GBASNEW
MSASNEW
MSVNEW
Surveillance
ASRNEW
SSRNEW
Air Traffic Control
TRCSNEW
ARTSNEW
Airport operations
FIDSNEW