Upgraded Ground-Controlled Approach (GCA) system

Upgraded Ground-Controlled Approach (GCA) system RSP-10MA is intended to ensure flight safety of aircraft and helicopters within terminal airspace, obtain positional information and guide aircraft to a safe landing in normal and ad-verse weather conditions. RSP-10MA consists of the surveillance radar (ASR) combining primary and secondary channels and Precision Approach Radar (PAR).

Ground Controlled Approach System RSP-10MA is adopted by MoD of Ukraine for its Armed Forces.

Composition

Model:
RSP-10MA

RSP-10MA consists of two vehicles:

  • 01.

    Semi-trailer No. 1 accommodating ASR antenna feed system, hardware container with Tx/Rx equipment and workstations, and diesel power supply units.

  • 02.

    Semi-trailer No. 2 accommodating PAR antenna, wave-guide and Tx/Rx equipment.

RSP-10MA can be transported by road, rail, sea or air.

PAR operation principles

PAR is designed to control aircraft pre-landing maneuvering, deviation from assigned approach course and glide path.

PAR is three-dimensional radar with signal radiation and receiving principles similar to PSR. Magnetron-type transmitter of PAR radiates short nonmodulated pulses of 0.5 µs duration.

PAR performs simultaneous scanning of airspace with two antennas swing-ing in two planes:

  • Azimuth (horizontal plane);
  • Elevation (vertical plane).

Each antenna has narrow beam pattern within the scanning plane and wide beam pattern within the plane perpendicular to the scanning sector.

PAR workstation displays:

  • Static data:
    - 20 km and 40 km range markers;
    - Azimuth markers;
    - Elevation markers;
    - Glide path, distance to estimated landing point.
  • Synthesized echo (aircraft position);
  • Indication of aircraft deviation from glide path;
  • Azimuth and elevation antenna angular position indicators;
  • Antenna turn and tilt control;
  • PAR data recording status.

Introduction

  • Primary channelPrimary channel of RSP-10MA operates in L-band (ICAO), secondary channel uses standard frequencies for RBS (interrogation – 1030 MHZ, response – 1090 MHz) and Eastern IFF (interrogation – 1030 MHZ, response – 740 MHz). Primary and secondary channels work on a common antenna. Precision Approach Radar performs horizontal and glide path guidance and operates in X-band. As a result of upgrade the radar's detection performance is efficiently improved. Operator workstation implements distribution of air situation. Data can be exchanged over provided communication channels in approved format.
  • Transmitter and receiver Transmitter and receiver of PSR/SSR feature solid-state components only. Transmitters have modular design and provide “soft-failure” redundancy: failure of individual module leads only to partial reduction in power. Antenna system of PSR/SSR is equipped with a new gear motor assembly con-trolled by a variable-frequency drive.
  • Radar Radar includes ASR operator workstation and PAR operator workstation equipped with air situation displays and radio control panels. All air situation is automatically recorded with playback capability in passive and interactive modes. RSP-10MA is powered from two independent power supplies: three phase industrial mains (380V, 50 Hz) and diesel power generators.
  • Automatic switching System performs automatic switching to the standby power should cutoff of the mains or malfunction of the power plants occur. The uninterruptible power supply provides radar operation for not less than 20 minutes in case of mains cutoff, enabling system transition to standby power supply. Power consumption of the system is 15 kW.
  • System displays System displays the following data received from the RBS or Mk-XA enabled aircraft transponders:
    - Aircraft position (azimuth, range);
    - Mode 1,2 and 3/A response codes;
    - Mode C altitude; - Emergency alerts (Modes 1,2,3/A); - I/P (Identify Position) signals (Modes 1,2,3/A).
  • PAR PAR detects and measures horizontal and vertical deviation from glide path of an aircraft on approach as well as distance from aircraft current position to an estimated landing point. RSP-10MA features efficient protection against asynchronous pulse interference, active and passive jamming.
  • Asynchronous pulse interference Asynchronous pulse interference is completely suppressed by digital signal processing. Jamming protection is achieved through expansion of the dynamic range of the signal processor and capability of electronic frequency shifting. The operator workstation graphically presents noise to the operator allowing for visual assessment of jamming and interference at given frequency and bearing of a jammer. Passive interference is rejected through digital MTI and generation of adaptive clutter map.

Подвижный радиовысотомер ПРВ-16МА предназначен для измерения координат целей (азимут, наклонная дальность, угол места) по данным целеуказаний РЛС или КСА, с которыми сопрягается высотомер. Высотомер ПРВ-16МА сопрягается с радиолокационными станциями П-18МА, MARS-L, П-19МА и комплексами средств автоматизации.

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