Welcome to Gaia! :: View User's Journal | Gaia Journals

 
 

View User's Journal

grotesquealibi069 Journal
grotesquealibi069 Personal Journal
Jensen Marine TV Training
Four Odd Tricks for Chart Plotters

If you are reading this, then chances are you have a shining, brand new boat and you would like to equip it with the latest marine electronic equipment - GPS units, fish finders, and other gadgets that are great. But, you might not know the best way to start outfitting your boat. It is quite a common thing with people who are new at owning a boat, which is why this article was written: to provide you with guidance and the help you need to make the right choices. Underneath you'll find solid advice on numerous kinds of marine electronics, including the best way to pick out a good fish finder, what to look for in a GPS, and the way to make wise choices with other apparatus. This short article will even winnow out crucial and the useful from the unneeded.

- Having a fish finder is certainty as pleasure as it's helpful, but before you purchase one, you should catch an automatic recognition system (or AIS). These easy tools is quite significant in case, and basically can identify and locate boats in a place you have an urgent situation or someone near you does. With rescuers and seaport services, you can effectively speak with others - particularly with an AIS.

- Another must-have device is a GPS device. They've http://www.ebay.co.uk/bhp/12-volt-240-volt-tv evolved recently to contain fish finders and other pieces of equipment to form multipurpose devices which are more easy to use and more convenient for boat owners. The fine ones have displays that are big so you can view the information all at a glance - which is helpful.

- Every boat also needs to be equipped with a depth sounder. This fundamental tool basically tells you the depth of the water wherever you are - which is indispensable if you operate on lakes or rivers (or even seaports) and have to know where the shallow places are. Using one in conjunction can also be incredibly helpful, as is using one with a GPS to find your way back.

- If you've got marine electronics on your own boat, you should have as big a display as possible. Why? Well, nothing is more frustrating than staring at a tiny display or depth sounder and needing the information immediately and not having the capacity to see it. It's even more important when the weather turns bad, while it's fine on bright days. An eight-inch screen is a minimum, and a ten-inch screen is advocated.

SSB Radio has a range of several thousand miles. You will need the equivalent in whichever state you plan to manage an FFC license, or it. Power consumption is a consideration. Up to 100 Watts may be demanded for transmission. SSB radio demands several things of gear. An antenna tuner matched to the transceiver model. You will also desire and radio modem and computer if you prefer to send e-mail.

Making your boat the best it can be means equipping it with other gizmos that can help you hugely no matter where you may be and serve functions that are crucial and high-tech gadgets. You don't need to have an enormous funding, either; a lot of these devices are definitely affordable. Either way, you should definitely give an attempt to these devices.

Need to find out about top-quality marine electronic equipment?

Autopilots - Monitoring instruments, standing at the helm for extended intervals and keeping a great look out can be very tiring. The helmsman relieves from steering the course that is right leaving him free to keep a watch that is proper. The autopilot can be set to either direct a compass course or a course relative to the wind. Electronic wind gauge or a fluxgate compass feeds information into a microprocessor which then makes the crucial rudder movements to return the vessel to it's needed course. The mechanical power is put on the rudder by rotary drives or electrical linear activators, hydraulic pumps. GPS/Graph plotters can be used to the autopilot to input signal navigational directions.

Graph Plotters - Usually a graph plotter is composed of an antenna, mounted on the boat, to monitor GPS signals and a display unit sited either at the at the navigation station or the helm of the vessel. The boats location is sent in the antenna to the display unit which in turn shows it on the chart. The Chart itself will seem similar to it is show depth and paper equivalent, land mass, navigational aids for example bouys and potential risks in the shape of crashes and obstructions. Manner points can be added by an individual to the graph and zoom in and from the screen. Graph plotters can be connected to drive an autopilot and send GPS data to radar or a fish finder. They then entered into the graph plotter and can also interface with a laptop empowering intricate passage planning to be done from the boat.

Magnetic Transmitting Compasses work like conventional compasses using magnets to ascertain the vessels orientation to the earth's magnetic field they subsequently transmit the boats heading to an electric display. They make steering easier than with normal compasses because they exhibit steadier headings and do not suffer in the "slowdown" that occurs when making a turn. Chart Plotters can interface with radar, autopilots and graph plotters. Fluxgate Compasses consist of two pieces of readily soaked magnetic substance with coils wound round the chart plotter in opposing directions. The time at which saturation occurs, earlier in one coil and after in the other is affected slightly by the earth's magnetic field. The difference is subsequently computed giving an output proportional to the magnetic field of the earth's. Their output signal can be shown to the helmsman or they can interface with chart plotters, autopilots and radar.

Echo Sounders work on exactly the same principle. A transducer emits a narrow beam. Any solid items reflect this and the time between transmission and receipt of the echo is quantified. The speed of sound through water is so the range or space can be calculated and understand. That is then exhibited in metres. Forward Looking Sonar (FLS) enables one to see the underwater hazards before you're really on top of them. An average range is 150 metres.

They relay a message to a ground station that subsequently can instigate a search and rescue operation.

The same technology is used by fish Finders . A transducer transmits a narrow beam of high frequency sound, this can be reflected by solid items including the sea bed.

Global Positioning System (GPS Receivers) - This system was initially designed for military functions and is owned and operated by the United States Department of Defence. 24 satellites are ordered in a "birdcage" around the globe, they are positioned in such a style that at any area on the earth's surface a direct line of sight can be established to the absolute minimum of 4 satellites. A fix is obtained by measuring precisely the space between the GPS receiver and a satellite at a precise time.

The log is used to measure the boats speed. Impeller or a paddle wheel, mounted below the waterline is turned by water's flow, this produces electrical impulses which are fed into a microprocessor that screens both rate and space run.

Inverters - On most boats nowadays you will find domestic equipment of one sort or another. For on board amusement there are stereo Jensen Marine TV Packages systems and tvs. With the popularity of graph plotters comes notebook or the PC. Maintenance frequently requires the use of power tools. Liveaboards might have a washing machine, dishwasher or microwave. Can take 24v 12v or 48v supply supply and convert it to some secure 110 v or 220v AC supply.

Navtex can possibly best be called an always updated telex service supplying navigation and weather advice within given places. The service can be obtained up to 400 miles from the shore.

Radar enables you to see what otherwise would be imperceptible. They offer best gain at night and in fog or rain and are of special value when close to shore or in busy shipping lanes. They consist of a screen and an antenna. The antenna sends out a stream of RF energy which is reflected back off hard items. When this energy is bounced back it is converted to a sign which exhibited to the consumer. Every few seconds rotate, so a precise bearing to the target is computed and the screen always computes the antenna's direction. The time is measured for the energy to be reflected and so the distance of the target can be exhibited.

User Image - Blocked by "Display Image" Settings. Click to show.

http://www.youtube.com/watch?v=6z96Y1-JklY

Satellite Phones consist of a modem, an antenna and a normal handset. They are powered by an iridium battery. Their variety is everywhere covered by in Inmarsat Mini-M satellite. Voice, fax, e-mail and data can be transmitted.

Satellite TV needs an antenna and of course a telly. Reception can be obtained within a "footprint" which is founded on EIRP (Effective Isotropic Radiated Power) of a transmitting satellite. NILESAT and the two ARABSATs cover Africa and the Middle East. Good coverage is also available in North, Central and Southern America.

VHF Radio The power needed to transmit is not maximal, all sets have the option of transmitting on 25 Watts or 1 Watt and the electricity that is lower should be used whenever possible. Unlike phones that permit you to both hear at the same time and speak VHF sets need you to press a transmit button prior to discussing. This is called simplex. Duplex sets are available but are far more expensive. VHF radio waves travel in straight lines so the aerial should be mounted as high as possible, rather at the masthead.





 
 
Manage Your Items
Other Stuff
Get GCash
Offers
Get Items
More Items
Where Everyone Hangs Out
Other Community Areas
Virtual Spaces
Fun Stuff
Gaia's Games
Mini-Games
Play with GCash
Play with Platinum