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Electronics for Marine Navigation Author: guest Mar 05

Navigating on the open water away from land has always been challenging and very exciting. Boating can be a very pleasant experience provided your vessel features the required tools to ensure your safety. Good quality sea-navigation electronic equipment on board ensures easier and safer navigation.

 

It is recommended to make sure that, the boat is equipped with certain marine electronics. The minimum requirement for safety is to at least have a VHF Marine Radio and a compass before leaving the shore. Other desirable electronics include a GPS plotter, fish finder or depth sounder,radar, and auto pilot. Other more sophisticated but nice to have items include an Automatic Identification System and a networked navigation system

 

Marine navigation electronics equipment operation and uses are discussed below:

 

Auto Pilot: It is a highly recommended tool for mariners set to go on a long voyage. Auto Pilot helps to steer the boat automatically and thus, relieves the person at the helm from fatigue. Auto Pilot is of great help for those that troll while fishing controlling the vessel way automatically, relieving the captain to join and enjoy the fishing. This tool is of great use, as it helps to save fuel by keeping the boat on a steady heading.

 

Fish finder: Those who fish for pleasure or hire enjoy the help provided by a good fish finder. The fish finder operates using SONAR. In principle, the sonar works by sending a signal down trough the water column until it strikes and object with ample mass to return a signal to the devise, thus rendering an image on the screen. Thereby, showing the fish depth in relation to bottom structure. If a fish finder is not desired or needed then a depth sounder with a digital readout is ample and less expensive.

 

Automatic Identification System: It is considered an important electronic tool for marine navigation. It provides other boats with your vital information as well as their information to you such as the exact position of the boat, longitude and latitude, Time stamp, Rate of turn, Course over ground etc. While the boat is under way, the AIS presents the relevant information every 2 to 10 seconds, whereas when the boat is anchored, the information is availabe every 3 minutes. Apart from providing the above information, it also presents the information about other boats : their dimensions, position, and type of the veselboat. It is the ultimate electronic tool for collision avoidance at sea.

 

EPIRB: The Emergency Position Indicating Radio Beacon (EPIRB) also known as distress radio beacon is a transmitter, which helps rescue services to locate boats in distress. The transmissions are repeatedly transmitted from satellites around the world to the various rescue services. Watercraft operators wishing to have an EPIRB must now use a digital 406MHz unit. The International Copas-Sarsat Satellite System stopped monitoring for all but 406MHz signals for distress alert and location data for rescue operation throughout the world..

 

GPS Plotter: The GPS system now takes over the duty of the old Loran navigation system. GPS signals are broadcast from satellites all over the world that are maintained by the US government. The GPS data can be viewed in digital or map format. The preferred method is on a plotter that is loaded with digital maps of the area you are boating in. Most new VHF radios now have the capability to broadcast your location with a distress signal if connected to a GPS

 

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Marine Electronics by Furuno Author: guest Jan 25

Once you had acquired the boat you have always dreamed about , the next exciting thing to do is to outfit it with electronics that will help you in you boating safely, finding the fish, and navigating to where you want to go. Furuno Marine Electronics is my personal favorite marine electronics outfitter. Of course, the first electronic system you should outfit your boat with should be a safety system. Beyond the mandatory safety equipment, there are many other electronic devfices that can help you greatly if you find yourself lost or in distress of some kind.

A VHF marine radio is a top pick for boating safety. It is equipped with Digital Selective Calling (DSC) and will allow you to communicate with the Coast Guard or another boater. You can choose a fixed VHF radio or a hand-held transmitter. You can get VHF marine radios that are simple and compact to those that are commercial grade and compliant with Global Maritime Distress and Safety System (GMDSS) compliant. Furuno Marine Electronics makes these in several price ranges, and they also make GMDSS integrated satellite and terrestrial radio communication systems for boats.

A Global Positioning System (GPS) is a great thing to have. The DSC capability on your VHF radio won’t send your position to the Coast Guard unless you have GPS coordinates. Plus, GPS devices are amazingly useful, as you know if you have one on your car or cell phone. Furuno has GPS receivers with Wide Area Augmentation System (WAAS) capability, that makes your coordinates as accurate as possible. Furuno Marine Electronics also makes GPS chart plotters with up to the minute technology.

If you’re a bass fisherman or a professional, a Furuno fish finder is one of the best you can get. { They come in various sizes , including fish finders that are integrated with GPS chart plotters and those that connect up to your NavNet display or Ethernet hub}. Furuno Marine Electronics fish finders have digital filters and gain optimization to give you defined pictures of the conditions underwater, and some models can show fish near the seabed.

An electronic satellite weather system from Furuno will give you extra peace of mind with up to date information and forecasting. Their systems allow you to overlay reports, sea surface temperatures, and radar, resulting in a comprehensive marine weather system.

Started in 1938 in Nagasaki, Japan, Furuno Marine Electronics now has subsidiaries in Europe and the Americas as well as in the Far East. Their reputation is that of supplying the best quality marine electronics available. In the past five years , they’ve developed the first dual frequency search light sonar, opened headquaters in various countries , and set up a training center in Denmark in order to train commercial crews in the use of the INS. They have also developed automatic identification systems (AIS) receivers for fishing boats and recreational vessels. Those are excellent , reliable friends to have when you’re out on the water enjoying your boat.

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Marine Electronic Products by Raymarine Author: guest Dec 23

Raymarine marine electronics is based in Merrimack, New Hampshire and has 80-plus years of product development experience. Raymarine sells a large range of products, like GPS chartplotters, fish finders, VHF radios, and even satellite television to bring all boaters the latest and greatest technology.

If you have a boat you want to outfit with up to date marine electronics, Raymarine makes all the products you need. Lifetag is a range of Raymarine man overboard (MOB) equipment that adds safety for everyone on board. The starter kit includes two LifeTag pendants, a base station, straps, alarm module, batteries, power cable, and handbook. Various enhancements are available to increase the range of the system – extra pendants and the RF expansion module.

If you want a single unit to provide you with several types of information, then you should investigate the Raymarine ST70 Multifunction Color display. Speed, wind data, status of the engine, depth, naviagtion and other features are available. The ST70 features a TFT LCD monitor 35″ size with 320×240 resolution, viewable at sunligt as well. Wide viewing angle allows visibility from any place in the cockpit. It can be set to day or night mode color palette, and can be surface mounted or low profile mounted.

The chartplotters of the A series (as well as the fish finders) have the preloaded charts ordering option A57D is an excellent example. Rivers and inland lakes as well as U S coastal and worldwide charts. This series won the Motorboating Best of the Year Award. The C series of chartplotters and fish finders include several models as well, that can come preloaded with charts or not preloaded. They have 1280 x 800 pixel wide screen displays with optical bonding for improved contrast and a wide viewing angle. The C series chartplotters can be made to control autopilot functions from the chartplotter interface, and this function can be easily engaged or disengaged by the captain.

Raymarine manufacruers marine weather stations based on Sirius satellite radio so that you can get up to the minute graphical weather information at sea. Sea surface temperature, weather radar, surface pressure forecasts, wind forecasts, and forecasts in text format all come with this remarkable piece of marine electronics. Also included are 130 satellite radio channels for listening enjoyment. Raymarine marine radar systems are user friendly with a Raymarine multifunction display and a choice of radome or open array antenna.

Raymarine is top of the line marine electronics that are easy to use and extremely user friendly. If you outfit your boat with Raymarine electronics, you’ll soon come to appreciate all the extras that Raymarine has thought out in advance so that you can have the most advanced system of marine electronics. The latest in electronic developement, including the first ever digital radomes, are available form Raymarine, so that no matter what you need in terms of marine electronics, you’ll know that Raymarine will not only have it, but will have its latest technological incarnation.

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