Radio Frequency
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- Hardigg's Rack-Mount Container Protects Electronic Marine Equipment In Transport/Storage Maritime Reporter, Mar 1991 #64
Hardigg Industries, Inc. of South Deerfield, Mass., offers a rack-mounted model container designed to protect off-the-shelf equipment during storage, transport and operation. With this container, it is possible for off-the-shelf rackmounted equipment to be used in rugged field environments.
The container provides shipping protection and also acts as an operational case, as equipment can be used while inside the protective case. Double-entry—both front and back— makes enclosed equipment easily accessible. An inner shield is also available that will prevent electro-magnetic and radio frequency interferences with sensitive equipment.
Hardigg Industries is a leader in the technology of shipping container design. The company now manufactures a line of over 200 rotationally molded shipping containers that are airtight, watertight, and dent-resistant, offering maximum protection for fragile, expensive equipment.
For further information and free literature on products from Hardigg Industries, Circle 10 on Reader Service Card
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- Los Angeles SNAME Discusses Liquid Level Gauging By Radar Maritime Reporter, Apr 15, 1981 #18
to Mr. Martensson, overcomes the problems of existing systems by limiting the incursion of the device into the harsh environment of tanks to radio frequency waves. The author concluded his presentation by candidly describing the trials associated with developing a new system for shipboard use
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- New Radiotelephone Available From Apelco Maritime Reporter, Nov 15, 1978 #27
TV, taxi, police and fire. The AF-55 also offers such features as an adjustable quickrelease mounting yoke for theftproof installations, a radio frequency indicator light to show when RF power is being transmitted to the antenna, and a selectable one-watt output for harbor use. List price is
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- Combatting Maritime Cyber Security Threats Maritime Reporter, Jun 2025 #22
delivered via the Internet by cyber criminals. With the advent of computers, network devices and telecommunications that make transport of data via radio frequency common place, it has opened a new world of vulnerabilities to hackers to tap, steal, destroy or alter data. This has led into a new area of potential
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- WiSub’s Universal AUV Connector Marine Technology, Jan 2018 #44
viable relates to WiSub’s patented high-speed, high frequency microwave electronics technology – “EM-based communication has been known for decades in the radio-frequency range (below 300 MHz), and has been applied to low-speed data transmission over short distances (some meters). High frequency data transmission
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- MTR100 '13 WFS: Wireless for Subsea Marine Technology, Jul 2013 #76
game-changing products have revolutionised control, communications and power transfer in underwater environments. Subsea wireless technology based on radio frequency (RF) has the distinct advantage that it will operate in adverse water conditions, is unaffected by acoustic noise, operational in shallow water
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- All Set Tracking Launches New Electronic Seal Maritime Reporter, Nov 2002 #25
used in the ALLTrack Tag and Reader. As opposed to traditional electronic seals the ALLTrack e-Seal will use a single globally available radio frequency band, which is license-free. Since the ALLTrack system uses low cost Readers, at a fraction of traditional RFID Readers, the reading infrastructure
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- Apelco Announces New Marine Radiotelephone Maritime Reporter, Jan 15, 1977 #32
AF-40MA also offers such standard features as an adjustable quick-release mounting yoke for bulkhead, overhead or counter- top installations; a radio frequency indicator light to show when RF power is being transmitted to the antenna; large readable controls on a dimmable back-lit panel; component
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- N e w Portable Transmitter Provides Emergency Shutdown Control Maritime Reporter, Nov 1985 #91
of environmental damage, increased productivity and reduced maintenance and repair costs. This small portable transmitter, operating on a UHF radio frequency encoded with a highly secure digital signal, is capable of stopping and starting various types of equipment, valves, conveyors, pumps, automated c
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- Marconi Introduces The New Oceanray SAT-COM Maritime Reporter, Jan 15, 1985 #22
describing the new unit in detail. The Oceanray above deck unit incorporates a 0.9-m dish, gyrostabilized and only 150 cm high in the radome. The radio frequency package, including control unit and power supply, can be positioned either within the radome unit or separately, above or below deck. On
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- Grumman Hydrofoil For Israel Launched At Lantana Boatyard Maritime Reporter, Jul 15, 1981 #20
having 469 parameters and direct control of 16 subsystems. The attitude control system provides automatic roll, pitch, and heading control; radio frequency height sensor, and digital attitude control
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- Threats to Global Navigation Satellite Systems Maritime Reporter, May 2015 #26
degrees by a cyber-attack on GNSS. Largely unique to the maritime industry however, is that much of marine environment information transfer is via radio frequency (RF) and not a dedicated hard-line network or directional microwave dish. A good example of this type of transfer is positioning signals by satellite
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March 2024 - Marine Technology Reporter page: 44NEW TECH OCEANOLOGY INTERNATIONAL 2024 Image courtesy Metron/Cellula Teledyne Marine acquires Valeport: Matt Quartley, MD, Valeport and Ole Søe-Pedersen, VP & Image courtesy Teledyne Marine GM Teledyne Marine announce the deal in London. Pictured (L-R): Cellula Robotics, President, Eric Jackson, Metron
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March 2024 - Marine Technology Reporter page: 39Photo courtesy Global Ocean Design Figure 7 A 35Ah AGM lead-acid battery is tested using the West Mountain Radio CBA to show the effect of simply ? lling the battery voids with mineral oil as a compensating ? uid. The CBA is programmed to cut-off at a voltage of 10.50v. The top line (red) shows the
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March 2024 - Marine Technology Reporter page: 38LANDER LAB #10 Photo courtesy West Mountain Radio Photo courtesy of Clarios/AutoBatteries.com Figure 6 The West Mountain Radio Computerized Battery Analyzer (CBA V) attaches to a Figure 5 laptop by a USB-B cable, and to a battery by Powerpole® Connectors. Exploded view of an AGM lead-acid battery.
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March 2024 - Marine Technology Reporter page: 37with succeeding charging cycles, presumably due to gas generation during recharge. A battery capacity test, described below with the West Mountain Radio CBA V, can be done to replicate this experiment yourself. (See Figure 7.) ? Gel cell Sealed Lead-Acid (SLA) batteries substitute a gel-type electrolyte
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March 2024 - Marine Technology Reporter page: 18TECH FEATURE IMR There are also weaknesses in terms of accuracy because of FiGS Operations and Bene? ts signal noise and the ability to detect small ? eld gradients. In Conventional approaches to evaluating cathodic protection this process there is a risk that possible issues like coating (CP)
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April 2024 - Maritime Reporter and Engineering News page: 41designed for use in harsh maritime environments: • GMDSS/NAVTEX/NAVDAT coastal surveillance and transmission systems • Offshore NDB non-directional radio beacon systems for oil platform, support vessel & wind farm applications • DGPS coastal differential global positioning systems • VHF port
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April 2024 - Maritime Reporter and Engineering News page: 15hydro-acoustic design of a propulsor that delays cavitation meets its underwater noise limits. This will require specialized inception and cavitating area. The third approach should be test sites or specialized mobile underwater testing equipment. isolation mounting of a vibro-active equipment and
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April 2024 - Maritime Reporter and Engineering News page: 14Book Review Approach to Meeting Underwater Radiated Noise Limits Def ned By Raymond Fischer uantitative underwater radiated noise limits will construction inspections, 5) possible training with respect to be developed shortly by IMO, and/or countries salient design/construction essentials, 6) compliance
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April 2024 - Marine News page: 25though indirectly and not linked to navigation concerns, say, for NOAA’s own ? eet. Rather, NOAA hands-off the issue to its Integrated Ocean Observing System which suggests that BOEM include a requirement, as a condition of project ap- proval, that wind companies “must develop a high frequency radar
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February 2024 - Maritime Reporter and Engineering News page: 12Maritime Risk Top Marine Business Risks in 2024 By Rich Soja, North American Head Marine, Allianz Commercial yber incidents such as ransomware attacks, data linked to several large ? re incidents at sea in recent years. breaches, and IT disruptions are the biggest worry Regularly assessing and updating
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February 2024 - Marine News page: 21government commitment is in the Indiana”, an engine “made by the United States Electrical, development of marine terminals to support offshore wind Radio and Machine Workers in Pittsburgh”, and American construction and operation. As previously reported, the mariners from Seafarers International Union
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January 2024 - Marine Technology Reporter page: 52TECH FEATURE BATTERY SAFETY Images courtesy Engineered Fluids Inc. This experiment has since been replicated with other batteries and cell con? gurations, and demonstrates the inherent ? re safety of SLIC Technology. jacent cells were not affected, and continued to operate nor- Failures) of electronic
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January 2024 - Marine Technology Reporter page: 29fying mines, especially the hard-to-? nd bottom and buried mines in high clutter environments. Knife? sh uses the low- frequency broadband capability devel- oped by the Physical Acoustics Branch of the Naval Research Laboratory. The 2,000-lb., 22-foot long Knife? sh is based on the Blue? n 21 UUV.
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January 2024 - Maritime Reporter and Engineering News page: 33? cation: DNV, Finnish Ice Class 1A Super; SOLAS 2020; Depth Sounders: Wärtsilä (SAM) Stockholm Agreement Auto Pilot: Wärtsilä (SAM) Flag: Finland Radios: Wärtsilä (SAM) Length, (o.a.): 150 m AIS: Wärtsilä (SAM) Length, (b.p.): 137.02m GPS: Wärtsilä (SAM) Breadth, (molded): 26 m GMDSS:
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January 2024 - Maritime Reporter and Engineering News page: 32CRUISE FEATURE uilt by Rauma Marine Constructions, in Rauma, control system and bow thruster motors. Finland, and launched in 2021, the 150-meter-long In addition to the engines, Wärtsilä also supplied its LNG- Aurora Botnia boasts a long list of onboard equip- Pac technology for LNG storage, supply
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November 2023 - Marine Technology Reporter page: 42CASE STUDY ROV DVL TECH Tethys Robotics’ underwater drone in Lake Zurich during a harbor inspection. All image courtesy Nortek Tethys Robotic’s new ROV Leverages Nortek DVL Tech new Remotely Operated Vehicle (ROV) from Swit- pulse along a minimum of three acoustic beams, each pointing zerland’s Tethys
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November 2023 - Marine Technology Reporter page: 35Dredging globally is part science, part art, particularly given the vast differences in areas and materials to be dredged. Haven Dredging offers its patented Tiamat solution, an innovative agitation dredging solution that purports to lower maintenance dredging costs and is a cleaner process compared to
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November 2023 - Marine Technology Reporter page: 29New EverClean Robot Greensea IQ launched of its most advanced EverClean service robot, a leap forward in the realm of supervised reliable autonomy with Over the Horizon (OTH) operational capability for underwa- ter hull maintenance. The EverClean robot is packed with features like depth aided navigation
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November 2023 - Marine Technology Reporter page: 22TECH FEATURE SONAR Arctic Fjord - full Kongsberg Discovery package for more ef? cient location, inspection and engagement with Alaskan pollock. THE FUTURE OF FISHING: ARCTIC STORM Ludeman Photographic-Sammamish he ? rst US-built trawler-processor for Alaskan pollock mize catch ef? ciency – reducing
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December 2023 - Maritime Reporter and Engineering News page: 40TECHNOLOGY IN FOCUS: DIGITALIZATION "There's a lot of focus on ‘Big Data’. We don't talk much about Big Data. We talk about impor- tant data." One-on-One with “Mr. ECDIS” – Tor Svanes, CEO, NAVTOR NAVTOR. With that, we are talking to banks, ? nancial insti- Your reputation in e-Navigation as ‘Mr.
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November 2023 - Marine News page: 52pilot vessel,” compass and Ritchie mag compass, Furuno FM8900S ra- Powered by a pair of MAN D2862 LE 438 1,200HP U.S. dar, Rotheta RT-500-M integrated radio direction ? nder EPA Tier 4 engines that drive Hamilton HTX52 waterjets with Luminell CLITE2 IR LED searchlight and FLIR through Twin Disc MGX
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November 2023 - Maritime Reporter and Engineering News page: 16few control actions need to be sent between By using small autonomous robots speci? cally designed to the operator and the robot, optimizing how limited radio or target microfouling (the early slime and algae that forms satellite bandwidth is used. A vessel’s crew merely needs on ship hulls), hull cleaning
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November 2023 - Maritime Reporter and Engineering News page: 6Editorial MARITIME REPORTER AND ENGINEERING NEWS M A R I N E L I N K . C O M HQ 118 E. 25th St., 2nd Floor New York, NY 10010 USA T +1 212 477 6700 CEO John C. O’Malley [email protected] President & COO Publisher & Editor Greg Trauthwein [email protected] aving maintained a fairly rigorous
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September 2023 - Marine Technology Reporter page: 73CSIGNUM www.csignum.com CSignum demonstrated its new Radi- EM Modem earlier this year. The company touts RadiEM as the ? rst platform to use low-frequency elec- tromagnetic (EM) ? elds to transmit more data wirelessly. According to CSignum, RadiEM is the only tech- nology that can transmit data through