• Thumbnail for Underwater acoustic communication
    Underwater acoustic communication is a technique of sending and receiving messages in water. There are several ways of employing such communication but...
    17 KB (1,927 words) - 21:55, 9 December 2024
  • Thumbnail for Underwater acoustics
    acoustic signals Underwater acoustic communication – Wireless technique of sending and receiving messages through water Underwater Audio, an electronics...
    53 KB (7,171 words) - 17:02, 20 October 2024
  • Acoustic communication means communication by means of sound, such as: Underwater acoustic communication Acoustic communication in aquatic animals Acoustic...
    324 bytes (61 words) - 11:32, 30 September 2021
  • first practical underwater acoustic communication system. He used sound waves to transmit messages underwater. In World War II, acoustic homing was used...
    14 KB (1,748 words) - 05:47, 8 December 2024
  • Thumbnail for Echo sounding
    2011 at the Wayback Machine) "A Smooth Operator's Guide to Underwater Sonars and Acoustic Devices". Blue Robotics. Retrieved 12 January 2024. "Fishfinders...
    13 KB (1,585 words) - 08:52, 8 September 2024
  • Thumbnail for Byford Dolphin
    The incident cost the company millions of US dollars in lost income. Underwater diving portal Commercial offshore diving – Professional diving in support...
    19 KB (1,848 words) - 01:14, 19 December 2024
  • journey from the underwater speaker to an in-air receiver. The technology is called TARF (Translational Acoustic-RF) communication since it uses a translation...
    18 KB (2,085 words) - 03:20, 31 July 2024
  • Thumbnail for Sunita Williams
    supply General Diving spread Air spread Saturation spread Hot water system Sonar Underwater acoustic positioning system Underwater acoustic communication...
    38 KB (3,403 words) - 20:42, 31 December 2024
  • Thumbnail for Underwater Demolition Team
    The Underwater Demolition Team (UDT), or frogmen, were amphibious units created by the United States Navy during World War II with specialized missions...
    70 KB (7,988 words) - 20:51, 26 November 2024
  • Thumbnail for Communication in aquatic animals
    playing this file? See media help. Acoustic communication is the use of sound as signals. Acoustic communication is widespread in both aquatic and semi-aquatic...
    29 KB (3,623 words) - 07:20, 18 November 2024
  • An acoustic doppler current profiler (ADCP) is a hydroacoustic current meter similar to a sonar, used to measure water current velocities over a depth...
    11 KB (1,486 words) - 16:11, 8 June 2024
  • Thumbnail for Kirsty MacColl
    Kirsty MacColl (category Underwater diving deaths)
    supply General Diving spread Air spread Saturation spread Hot water system Sonar Underwater acoustic positioning system Underwater acoustic communication...
    31 KB (3,575 words) - 00:53, 30 December 2024
  • Thumbnail for Asphyxia
    being in environments where oxygen is not readily accessible: such as underwater, in a low oxygen atmosphere, or in a vacuum; environments where sufficiently...
    27 KB (2,512 words) - 18:23, 29 December 2024
  • Thumbnail for United States Navy SEALs
    the Navy's Underwater Demolition Teams, who had already gained extensive experience in commando warfare in Korea; however, the Underwater Demolition Teams...
    140 KB (15,730 words) - 23:16, 2 January 2025
  • Thumbnail for Index of underwater diving: T–Z
    submarine environment Underwater acoustic communication – Wireless technique of sending and receiving messages through water Underwater acoustic positioning system –...
    19 KB (3,885 words) - 07:38, 31 December 2024
  • Thumbnail for Underwater cutting and welding
    Underwater cutting and welding are metalworking techniques used by underwater divers in underwater construction, marine salvage and clearance diving applications...
    18 KB (2,189 words) - 08:13, 14 April 2024
  • Thumbnail for Telecommunications
    Association Telecoms resilience Telemetry Underwater acoustic communication Wavelength-division multiplexing Wired communication "Article 1.3" (PDF), ITU Radio Regulations...
    88 KB (9,259 words) - 23:12, 31 December 2024
  • Thumbnail for Deepsea Challenger
    sent it to the support ship at three-minute intervals via an underwater acoustic communication system developed by West Australian company L-3 Nautronix...
    35 KB (2,917 words) - 18:23, 17 December 2024
  • underwater football, underwater hockey, underwater ice hockey, underwater orienteering, underwater photography, underwater rugby, underwater target shooting...
    27 KB (2,723 words) - 13:25, 15 August 2024
  • Thumbnail for Special Air Service
    Passchendaele" (PDF). ARQ Army Reserve Quarterly. Andover: Army Media & Communication. Autumn 2014. p. 21. Archived from the original (PDF) on 14 February...
    93 KB (8,722 words) - 02:00, 2 January 2025
  • Thumbnail for Glossary of underwater diving terminology: D–G
    used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving...
    91 KB (9,273 words) - 07:59, 24 November 2024
  • Thumbnail for SOFAR channel
    Worzel hung a hydrophone from Saluda, a sailing vessel assigned to the Underwater Sound Laboratory, with a second ship setting off explosive charges up...
    23 KB (2,392 words) - 18:35, 27 September 2024
  • Thumbnail for Remotely operated underwater vehicle
    depths. The tether also provides a stable means of communication, which is crucial in underwater conditions where radio waves are absorbed quickly by...
    51 KB (5,699 words) - 09:37, 1 January 2025
  • Thumbnail for Glossary of underwater diving terminology: P–S
    used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving...
    117 KB (11,866 words) - 07:59, 24 November 2024
  • Thumbnail for Glossary of underwater diving terminology: A–C
    used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving...
    93 KB (9,444 words) - 07:59, 24 November 2024
  • Thumbnail for Sylvia Earle
    several weeks. Although she had logged more than 1,000 research hours underwater, Earle was rejected from the program. The next year, she was selected...
    46 KB (4,151 words) - 21:48, 12 December 2024
  • describes the extension of the van Atta antenna principle to underwater acoustic communication. US patent 2908002, Lester C. van Atta, "Electromagnetic Reflector"...
    2 KB (169 words) - 04:44, 23 April 2024
  • Thumbnail for MARCOS
    trained for sabotage missions. The combat divers had also taught basic underwater demolition training to insurgents from Bangladesh, who were then sent...
    54 KB (3,846 words) - 01:03, 2 January 2025
  • Thumbnail for APS underwater rifle
    The APS underwater assault rifle (Russian: Автомат Подводный Специальный, romanized: Avtomat Podvodny Spetsialnyy, lit. 'Special Underwater Assault Rifle')...
    11 KB (1,017 words) - 21:20, 17 November 2024
  • Thumbnail for Glossary of underwater diving terminology: H–O
    used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving...
    107 KB (10,180 words) - 07:59, 24 November 2024