996 type radar

996 type radar

Development, the operational history
Development country	The U.K.
Transmitter
Frequency	S band
Pulse width	1.8-2.2, 22µs
The number of the pulse refrains	700-800 pps
Transmission tip electricity	60-80kW (peak)
Antenna
Scanning speed	14rpm
Detection performance
Detection distance	150km (81 nmi)

The three-dimensional radar that British Siemens プレッシー (current BAE systems) company developed the 996 type radar (English: Type 996 radar). In addition, I was offered for export as AWS-9, but two dimensions of deployment machines of the Oslo grade frigate are considered to be-type AWS-9 (2-D), and the shape of the antenna is changed to a parabolic antenna, too [¹].

Summary

As succession of the British naval 992 type radar and 967/968 type radar, I developed it based on AWS-5 which was a product for export of company and was developed. The development contract was concluded in 1983 and was placed on duty from 1988.

I adopt a traveling-wave tube (TWT) for a radar transmitter, and a technique of AR-320 which is a land radar of the company is introduced into the antenna part. In addition, about the vertical scanning, I adopt FRESCAN method like SMART-S of シグナール company [²].

The 2000s begins, and the new update by the 997 type is started.

An adoption country and deployment war vessel

Navy "Narvik" of Norway
An oblong parabolic antenna of AWS-9 (2-D) is installed on the bridge deck

 The British navy

• 42 type destroyer (a 996 type replaces it than a 992 type)
• 23 type frigate (996 type Mod.1 replaces it with a 997 type at the future)
• A helicopter landing ship "ocean" (a 996 type replaces it with a 997 type at the future)
• ALBION grade landing ship (a 996 type replaces it with a 997 type at the future)

 The Indonesian navy

• It is attendant grade Corbett（English version) (AWS-9)

 The Chilean navy

• 23 type frigate (996 type Mod.1)

 The Turkish navy

• バルバロス grade frigate (AWS-9)
• Sir re-fin chair grade frigate (AWS-9)

 The Norwegian navy

• Oslo grade frigate (AWS-9 (2-D) replaces it from DRBV-22)

References

Wiki media Commons has the category in conjunction with the 996 type radar.

1. ^ The Decca Leguacy Chapter Ten Naval Radars
2. ^ Norman Friedman (1997). The Naval Institute guide to world naval weapon systems 1997-1998. Naval Institute Press. It is http://books.google.co.jp/books?id=l-DzknmTgDUC. ISBN 9781557502681 

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