OPS-28

Last updated
OPS-28
OPS-28 on board JS Kurama(DDH-144) 20131027.JPG
OPS-28 aboard JS Kurama
Country of origin Japan
Manufacturer Japan Radio
Introduced1980
Frequency C Band
Azimuth Unlimited

OPS-28 is a Pulse-Doppler radar manufactured by Japan Radio. It is installed as a low-altitude warning / anti-water search radar mainly on the Maritime Self-Defense Force's escort ship. [1] Variations include OPS-28-1, OPS-28B, OPS-28C, OPS-28D, OPS-28E and OPS-28F.

Contents

The model numbers of the Maritime Self-Defense Force's electronic devices, including this machine, are generally based on the naming rules for military electronic devices of the U.S. military. It is for radar mounted on surface vessels, for detection / distance direction measurement / search. [1]

Overview

A traveling wave tube (TWT) and a crossed power amplifier tube (CFA) are used as radar transmitters, and when used for normal voyages, they are switched to another transmitter using a magnetron. The operating frequency is C Band, and pulse compression technology has been introduced. It has been continuously improved, and there are multiple models of OPS-28B, OPS-28C, and OPS-28D depending on the mounting method of the IFF antenna. It began to be installed on the JS Shirane, which was commissioned in 1980. [2]

It can be used not only for surface targets but also for detecting low-flying anti-ship missiles (sea skimmers) as a low-altitude warning radar, and is said to be similar to the US Navy's TAS Mk.23. Conventional anti-water radar has almost doubled the detection distance from the front to the sea skimmer, which was about the line of sight of radio waves. In addition, the OPS-28-1 installed on the JS Ishikari and Yūbari-class destroyer escort has been given more full-scale anti-aircraft alert capability by changing the beam pattern.

However, with this aircraft, the emphasis on precision search at long distances reduces the search capability at short distances, and in order to compensate for this, OPS-19 / OPS-20 radar may also be installed on ships equipped with this aircraft.

Onboard ships

Citations

  1. 1 2 Self-Defense Force Equipment Yearbook 2006-2007. Chaoyun News Agency. 15 July 2006. p. 367. ISBN   4-7509-1027-9.
  2. ↑ Nagai, Arahito (March 1991). Current Ship-based Radar of the Maritime Self-Defense Force, Ships of the World. Vol. 433. Japan: Gaijinsha. pp. 84–89.

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OPS-14

OPS-14 is a two-dimensional radar manufactured by Mitsubishi Electric. It is mainly mounted on the Maritime Self-Defense Force's self-defense ship as an anti-aircraft search radar. Variations include OPS-14B and OPS-14C.

OPS-11

OPS-11 is a two-dimensional radar manufactured by Mitsubishi Electric. It is installed as an anti-aircraft search radar on the Maritime Self-Defense Force's escort ship, and it will be the first model originally developed by Japan after World War II for this purpose. Variations include OPS-11B and OPS-11C.

OPS-18

OPS-18 is a two-dimensional radar manufactured by Japan Radio Company. It is installed as an anti-water search radar on the Maritime Self-Defense Force's escort ship. Variations include OPS-18-1 and OPS-18-3.

OPS-9

OPS-9 is a two-dimensional radar manufactured by Fujitsu. It is installed as an anti-water search radar on the Maritime Self-Defense Force's escort ship. Variations include OPS-9B and OPS-9C.

OPS-20

OPS-20 is a two-dimensional radar manufactured by Japan Radio. It is compatible with the Global Maritime Distress and Safety System (GMDSS) and installed as an anti-water search radar on the Maritime Self-Defense Force's escort ship. Variations include OPS-20B, OPS-20C and OPS-20E.

AN/SPS-6

AN/SPS-6 is a two-dimensional radar manufactured by Bendix and Westinghouse Electric. It was used by the US Navy as a first-generation air-search radar after World War II, and was widely exported to allies. In addition, the improved AN/SPS-12 is the derivative types developed in other countries.

OPS-4

OPS-4 is a two-dimensional radar manufactured by Oki Electric Industry. It was installed as surface-search radar on the Maritime Self-Defense Force's self-defense ship.

AN/SPS-10

AN/SPS-10 is a two-dimensional radar manufactured by Raytheon Technologies. It was used by the US Navy as a surface-search radar after World War II, and was equipped aboard naval ships during the Cold War. Variants include AN/SPS-10B, AN-SPS/10E and AN/SPS-10F.

References

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