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Topic: Sonobuoy

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	P-3 Orion
		The adaptive controlled phased array (ACPA) is a sonobuoy antenna system which consists of four antennas arranged in a diamond formation on the belly of the aircraft.
		Acting as the sonobuoy receiver system, the advanced sonobuoy communication link (ASCL) extracts acoustic data received from the sonobuoy as it is picked up by the antennas.
		A sonobuoy signal testing device, called the acoustic test signal generator (ATSG), broadcasts sonobuoy signals and simulated acoustic data on all 99 radio frequencies to check the system while the aircraft is on the ground.
	www.history.navy.mil /planes/p3.htm (1063 words)

	Sonobuoy Management
		By fusing the information from multiple sonobuoys, it is possible to make accurate determinations of the location of a submarine.
		It accomplishes this by selecting sonobuoy patterns for deployment based on its current information about the sub's position and the location of the aircraft, deploying selected patterns, interpreting the information presented by the sonobuoys, and then determining its next action.
		The sonobuoy manager monitors the submarine's position and generates simulated contacts when the submarine enters the detection zone of any currently active sonobuoys.
	www.ai.sri.com /~prs/sonobuoy.html (510 words)

	Advanced Air Deploy Sonobuoy
		A smaller package for air deploy active receivers is desired to allow new platforms to be used for launch.
		In addition a larger sonobuoy array is also desired but must fit into the existing launch canisters.
		APL researchers have invented a new ADAR which allows for a reduction in size to deploy the current standard sonobuoy configuration.
	www.jhuapl.edu /ott/technologies/technology/articles/P01741.asp (141 words)

	NDM Article - Army’s Web Portal Expanding Under New Management
		Coyote, five feet long and with a wingspan of 30 inches, is designed to be dropped from sonobuoy launchers on the Navy's P-3C Orion antisubmarine aircraft.
		For this concept to work, the UAV has to be small enough to fit in a narrow sonobuoy tube that's less than 3 feet long and 4.5 inches wide.
		Branthoover said Coyote is scheduled for a test launch from a Navy C-12 aircraft next spring, followed by a launch from a P-3 in the summer.
	www.nationaldefensemagazine.org /issues/2006/jan/UF_Undersized.htm (777 words)

	Barra Sonobuoy sonar - Australia Innovates - Powerhouse Museum
		The Sonobuoy is dropped from an aircraft into the sea.
		The array is connected to a radio transmitter in a buoy floating on the surface.
		Each Sonobuoy is loaded into a coded tube, so the place where each is dropped can be recorded.
	www.powerhousemuseum.com /australia_innovates/?behaviour=view_article&Section_id=1010&article_id=10003 (270 words)

	General Dynamics Canada - Sonobuoy Acoustic Processing Systems - Overview
		The cornerstone of GD Canada's approach to providing sonobuoy acoustic processing systems has been its incremental, but technologically aggressive, private venture product improvement program.
		This process of continuous refinement and enhancement has ensured that the sonobuoy acoustic processors continue to lead the market in processing capabilities that encompass advanced submarine detection algorithms (narrowband, broadband and transient), leading edge microprocessors and low-complexity, object-oriented software design and implementation.
		We have delivered sonobuoy acoustic processing systems that process as few as 4 sonobuoys to larger systems that process 64 sonobuoys concurrently.
	www.gdcanada.com /content/detail.cfm?acronym=Sonobuoy (275 words)

	ASA 150th Meeting Lay Language Papers - Communicating underwater using natural ocean noise
		Two sonobuoys equipped with GPS were deployed off the quarterdeck to receive the ABC transmissions from the barrel-stave transducer.
		Once the sonobuoys became operational in the water, they drifted with the current at about half the speed of the ship, which was moving primarily under the influence of the gale force winds.
		The gram on the right is from the sonobuoy 1300 m from the ship, i.e., the first sonobuoy to be deployed.
	www.acoustics.org /press/150th/Jones.html (959 words)

	Sonobuoy Tracking
		The STS allows tracking of standard configuration sonobuoys deployed by aircraft during ASW exercises on the Weapons Range.
		STS operates on any of the 99 standard sonobuoy frequencies and can track up to 40 sonobuoys at a time.
		The system measures phase angle differences of sonobuoy RF emissions at each of three sites on Andros Island.
	www.npt.nuwc.navy.mil /autec/sonobuoy.htm (72 words)

	SONOBUOY.COM - the preferred source for sonobuoy telemetry receivers
		Sonobuoy.com is a division of Radixon Group, the pioneers and industry leaders of computer-based radio receivers and monitoring systems.
		RADIXON sonobuoy receivers are suitable for airborne and seaborne deployment, in civilian as well as military applications, for all major types of sonobuoys.
		RADIXON sonobuoy receivers are remarkable for their flexibility: We supply PC-card based receivers suitable for integration into multichannel systems; single-channel portable units which can be operated using a laptop, suitable for experimentation; as well as complete multichannel rack-mounted units.
	www.sonobuoy.com (140 words)

	AN/SSQ-57 Low Frequency Analysis and Recording (LOFAR) Sonobuoy
		The LOFAR sonobuoy is an expendable, omnidirectional passive sonar unit.
		It consists of an omnidirectional hydrophone that descends through the bottom of the sonobuoy canister to a pre-selected depth.
		This low cost, expendable, air-deployable, passive sonobuoy has a twelve hour battery operating system and is capable of being anchored in water depths from 25 to 120 meters in salinity down to zero percent.
	www.fas.org /man/dod-101/sys/ship/weaps/an-ssq-57.htm (294 words)

	WiNRADiO WR-2902e Sonobuoy Telemetry Receiver
		The WiNRADiO WR-2902e VHF/UHF Sonobuoy Telemetry Receiver is designed to receive signals from analogue (DIFAR) and digital (BARRA) sonobuoy transmitters, operating in the 136 to 173.5 MHz frequency range.
		More than one receiver can be connected to a single computer, the number depending only on the availability of ports.
		The Windows application software shows a graphical representation of all installed receivers (a virtual control panel), making it possible to observe the status of all receivers at a glance and make individual adjustments if necessary.
	www.winradio.com /home/2902e.htm (270 words)

	Sonobuoy Systems Engineer Job - Dallas, TX - Top Echelon Network
		Candidate should have a solid understanding of all components which comprise an acoustic sonobuoy collection and processing system, including sonobuoys, receivers, acoustic data processing, recording, ground processing and post mission analysis tools.
		Knowledge of current and future sonobuoy technologies, types of sonobuoys, and GPS integration is required.
		Solid understanding of active and passive acoustics sonobuoy processing, along with transient processing and detection, required.
	www.nationjob.com /job/tope2602 (741 words)

	Sonobuoy Receivers (Site not responding. Last check: )
		The AN/ARR-75 Sonobuoy Receiving Set is a 31 RF Channel FM receiver designed for use on ASW rotary wing aircraft as well as shipboard applications.
		The AN/ARR-84 is designed to receive signals from all current and planned future U.S. and allied sonobuoys.
		The ARR-970 is a 64 receiver group system that utilizes a frequency synthesized architecture, provides threshold extending FM demodulation, operates with analog and digital sonobuoy transmissions and can be equipped with an optional integrated interferometer Sonobuoy Positioning System.
	www.flightline-systems.com /Products/SBReceivers (203 words)

	Definition of sonobuoy - Merriam-Webster Online Dictionary
		Learn more about "sonobuoy" and related topics at Britannica.com
		Find more about "sonobuoy" instantly with Live Search
		See a map of "sonobuoy" in the Visual Thesaurus
	www.m-w.com /cgi-bin/dictionary?va=sonobuoys (38 words)

	SONOBUOY HOME PAGE (Site not responding. Last check: )
		Due to security concerns, the Sonobuoy Web Page has moved to a different server.
		If you are unable to access the new Sonobuoy Web Page, please send an email to the Crane Webmaster and request access.
		If you need personal assistance with any step of the process, please email the Sonobuoy APML or the Crane Webmaster for assistance.
	sonobuoy.crane.navy.mil /indexhome.htm (261 words)

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