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  2. GPS sonobuoy - Wikipedia

    en.wikipedia.org/wiki/GPS_sonobuoy

    Early GIBs were created for broad ocean area weapons testing by modifying conventional Navy sonobuoys with small OEM-grade GPS receivers and deploying them from a helicopter or from P-3 Orion aircraft. [3] [4] The GPS data captured by the GIB was modulated over the analog VHF acoustic data stream using frequency-shift keying (FSK). This allows ...

  3. Sonobuoy - Wikipedia

    en.wikipedia.org/wiki/Sonobuoy

    Sonobuoy being loaded onto a USN P-3C Orion aircraft Hand deployment of a sonobuoy in the Arctic Ocean from the aft deck of the R/V Sikuliaq. A sonobuoy (a portmanteau of sonar and buoy) is a small expendable sonar buoy dropped from aircraft or ships for anti-submarine warfare or underwater acoustic research.

  4. List of Lockheed P-3 Orion variants - Wikipedia

    en.wikipedia.org/wiki/List_of_Lockheed_P-3_Orion...

    Lockheed EP-3E ARIES II in 2006. The Lockheed P-3 Orion maritime surveillance aircraft underwent a number of variants and specific unique design elements. The following is an extensive catalogue of each variant and/or design stage of the aircraft.

  5. SOSUS - Wikipedia

    en.wikipedia.org/wiki/SOSUS

    A contractor for the Office of Naval Research, Fleet Analysis and Support Division published an unclassified report with "SOSUS" in association with the system acronym "SOSS", defined as "Sound Search Station," and a capability to display data from sonobuoys side by side on either aircraft or SOSS displays in contact classification as either ...

  6. Sikorsky SH-3 Sea King - Wikipedia

    en.wikipedia.org/wiki/Sikorsky_SH-3_Sea_King

    ASW equipment used on Sea Kings has included the AQS-13A/B/E dipping sonar which included specialized computers for processing sonar and sonobuoy data, various models of sonobuoys, ARR-75 Sonobuoy Receivers, and the ASQ-81 magnetic anomaly detector.

  7. Grumman S-2 Tracker in Australian service - Wikipedia

    en.wikipedia.org/wiki/Grumman_S-2_Tracker_in...

    Their sonic systems were upgraded during 1977 and 1978 to enable the use of more advanced sonobuoys. [20] In 1978 Hawker de Havilland approached the Navy with a proposal to upgrade several of the Trackers' surveillance systems at a cost of between $1 and $1.5 million per aircraft. This proposal was rejected. [22]

  8. Towed array sonar - Wikipedia

    en.wikipedia.org/wiki/Towed_array_sonar

    The DUBV 43C towed array sonar of La Motte-Picquet.. A towed array sonar is a system of hydrophones towed behind a submarine or a surface ship on a cable. [1] Trailing the hydrophones behind the vessel, on a cable that can be kilometers long, keeps the array's sensors away from the ship's own noise sources, greatly improving its signal-to-noise ratio, and hence the effectiveness of detecting ...

  9. Ilyushin Il-38 - Wikipedia

    en.wikipedia.org/wiki/Ilyushin_Il-38

    There are two internal weapons bays, one forward of the wing, housing sonobuoys and one behind the wing housing weapons. [2] Some Western sources state that 58 were produced; [3] the commander of the ASW squadron at Ostrov has stated that Soviet Naval Aviation received 35, [1] of which about thirty remain in service with Russian Naval Aviation. [5]

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