Handheld sonar aids clearance divers

Article Abstract:

The University of Washington's Applied Physics Laboratory has come up with a hand-held sonar that divers can use in zero-visibility underwater operations. The device, called the Limpet Mine Imaging Sonar (LIMIS), operates at 2MHz and has a 0.3 deg resolution. It has a maximum range of 15 meters and has a range resolution of 1.8 mm at a distance of 3 m. A mask-mounted video monitor presents images from the sonar that are updated every tenth of a second for ranges as far as 9 m. LIMIS can also send real-time imagery to a ship-borne display and has memory for 50 images.

Sonar Systems, Article, Limpet Mine Imaging Sonar

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Clouds lift over April Showers ASW pod sensors

Article Abstract:

Kaman Aerospace has reported developments on the previously classified Appril Showers pod-mounted sensor suite which is claimed to detect submerged submarines at sufficient depths to obtain operationally useful information. Program expenditures have already totaled around US$20 million and there is no more funds available for additional work. Kaman is looking for alternative sponsors to restore funding which it estimates to cost only a further US$3.5 million to complete.

Airborne Search & Detect Radar, Search radar, Airborne radar, Kaman Aerosppapce

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US plans further testing of hard-target weapons

Article Abstract:

The US Air Force is ending its Hard and Deeply Buried Target Defeat System (HDBTDS) program with a series of tests by the 4th qtr FY2000. The HDBTDS program, which is worth US$11.5 million, is aimed at providing an ability to defeat command-and-control centers and facilities such as those used to produce and store weapons of mass destruction. The trials will involve drops of the 2,270kg GBU-28 laser-guided bomb from F-15Es into rock targets.

Aircraft Integrated Weapons Systems, Integrated weapons systems, Aircraft weapons

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