Upgrade of early-warning VHF band radar 5N84A (5N84, 44Zh6 or P-14)

Upgrade of early-warning VHF band radar 5N84A (5N84, 44Zh6 or P-14) offers the best (in terms of cost/efficiency ratio) alternative to restoration or repair of legacy prototypes.

As a result of upgrade the radar's detection performance is efficiently improved. 5N84AMA (P-14MA) features automatic tracking capability as well as acquisition of data from other surveillance radars and height-finders. Data can be exchanged over provided communication channels in approved format.

Upgraded 5N84AMA radar is adopted by MoD of Ukraine for its Armed Forces.

Upgraded 5N84AMA features

  • Metric band for “counter-Stealth” capability;
  • Maximum use of COTS components;
  • Option of containerized solution (two 20 ft ISO);
  • Stable, fail-soft, modular solid-state transmitter and receiver;
  • Built-in test equipment;
  • No special adjustments required during operation;
  • Largely simplified maintenance;
  • Engineered for minimum cost of ownership.

Depth of upgrade

  • The radar equipment cabin is fully upgraded. Metric band is preserved, however the number of working frequencies is increased from 4 to 200, the capability of instantaneous electronic frequency agility is added. Radar transmitter and receiver feature solid-state components only. The transmitter has a modular design and provides “soft-failure” redundancy: failure of individual module leads only to partial reduction in power.
  • Antenna-mast assembly is equipped with new asynchronous motors controlled by variable-frequency drives.
  • 5N84AMA remains a two-dimensional system and is used to find azimuth and range. Altitude can be obtained by interfacing with upgraded height-finding radars, in this case radar and height-finders operate as a 3D radar complex. Parameters of transmitted signal as well as parameters of signal processing after reception can be set at the operator workstation, secondary processing and tracking are performed at the remote workstation. Both workstations are installed in the equipment cabin in standard configuration.
  • As an option, ground interrogator can be controlled from the radar with the assignment of aircraft state identification status.
  • All air situation is automatically recorded with playback capability in passive and interactive modes.
  • 5N84AMA radar features efficient protection against pulse interference and active jamming. 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. Jamming protection is achieved through expansion of the dynamic range of the signal processor and capability of quick electronic frequency shifting. Passive interference is rejected through digital MTI and generation of adaptive clutter map.
  • Equipment of 5N84AMA can be installed on a semitrailer or in two standard sea containers mounted on concrete base or on a vehicle.

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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