Zone 1 reliable Frequency Agile Racon in accordance with IALA and IMO specifications. Side Lobe Suppression function on both X and S band and designed from stainless steel to meet the requirements of the harsh offshore environment.

Orga Offshore – Datasheet Drawing – ITR04EX – Radar beacon – r02-01
Orga Offshore – Datasheet Drawing – ITR04EX – Radar beacon – r02-02
Orga Offshore – Datasheet Drawing – ITR04EX – Radar beacon – r02-03

Key features

  • Reliable Frequency Agile Racon in accordance with IALA and IMO specifications
  • Low cost of ownership and power consumption
  • Designed to work in conjunction with the Navaid Central Control Panel (NCCP) concept
  • Built-in self test and self calibration capabilities ensuring low unattended service
  • Possibility to activate the side lobe suppression (SLS on X and S band) function and choose duty operation cycles (Orga service engineer only)
  • Measures and answers each detected ship’s radar pulse (except for the wake-up pulse) and answers simultaneous to several radars


  • Complies with IALA recommendation; R-101 Marine Radar Beacons (racons), 2nd Edition – Dec. 2004
  • Complies with IMO resolution; A.615(15) Radar beacons and transponders, Nov. 1987
  • Complies with ITU-R recommendation; M.824-2 Technical parameters for radar beacons, Annex 1
  • Cenelec EN 50014, EN 50018,
    EN 50019, EN 60079-0, EN 60079-1 and EN 60079-7
  • KEMA 06ATEX0018; Ex II 2G Ex de llB T6,

Physical characteristics

  • Dimensions (L x W x H):
    379 x 268 x 856mm
  • Weight: 30kg
  • Degree of protection: IP66
  • Operating temperature range: –20°C to +40°C
  • Material housing: stainless steel 316 and impact resistant synthetic antenna dome fitted with anti bird spike to prevent bird fouling
  • Material junction box: glass-reinforced polyester

Electrical characteristics

  • Operating Voltage: 10 to 32Vdc
  • Power consumption: Max. 15W peak
  • Stand-by current:
    Max. 20mA @ 12Vdc (with X and S bands in operation)
  • Listening current:
    Max. 100mA @ 12Vdc (with X and S bands in operation)
  • Operating current:
    Max. 1300mA @ 12Vdc (with X and S bands in operation)



Performance characteristics

  • Frequency range: X band (9,300-9,500MHz) / S band (2,900-3,100MHz)
  • Reception: X and S bands independently
  • Detected pulse widths:
    50 to 2,000nsec
  • Receiver sensitivity: -40dBm,
    X band (adjustable) / -35dBm, S band (adjustable)
  • Response delay: 670nsec and <700nsec typical
  • Transmission: X and S bands
  • Frequency response accuracy:
    +/- 1.5MHz if pulse with >200ns +/- 3.5 MHz if pulse with <200nsec
  • Side Lobe Suppression: Independent in X and S bands
  • Transmission power: 1.0W minimum, X band / 1.0W minimum, S band
  • Code answers: Programmable, 15 letters of Morse code in compliance with IMO A.530(13)
  • Answer duration: Selected by user (6 to 60microsec)
  • Duty cycles: Programmable, active from 0 to 60sec, idle from 0 to 60sec









System design, control and monitoring

  • All parameters are factory preset, with re-programming of the internal software in order to make future upgrades possible (Orga service engineer only)
  • Default parameters: Serial link RS-232 for programming and maintenance (Orga service engineer only)
  • Output logical: 3-state digital output, open collector X-band fault, S-band fault, power supply fault
  • Logical input: beacon inhibition for VTS (Vessel Traffic Service)
  • Antenna polarization: Horizontal and vertical polarization in S band / Vertical in X band
  • Antenna gain (pan): +/- 2dB in X band and S band over 360°
  • Antenna gain (tilt): +/- 3dB in X band and S band over 15°