Beginning of this page.
Jump to main content.

Please note that JavaScript and style sheet are used in this website,
Due to unadaptability of the style sheet with the browser used in your computer, pages may not look as original.
Even in such a case, however, the contents can be used safely.

Site menu starts here.
Skip site menu.
End of site menu.
Home > Solutions & Services > Air Trafic Control and Airport System > Surveillance > SSR
Contact
End of menu.

SSRSecondary 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

image Dual Antenna Radar Site

image Antenna

image Transmitter / Receiver


Technical Characteristics

Coverage Range 60 nmi. / 100 nmi. / 250 nmi.
Altitude 100,000 ft
Elevation 0.5 to 45°
LVA Antenna Rotation rate 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%
Contact
  • Surveillance

Top of this page

Copyright NEC Corporation. All rights reserved.