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GPS Chartplotter / Fishfinders

GPS Chart Plotter / Fishfinders

Raymarine GPS ChartPlotters / Fishfinders
Raymarine GPS ChartPlotters / Fishfinders
Simrad Navigation Systems
Simrad Navigation Systems
Garmin GPS ChartPlotters / Fishfinders
Garmin GPS ChartPlotters / Fishfinders
Lowrance Fishfinder Chart Plotters
Lowrance Fishfinder Chart Plotters
  

Chartplotters

How to choose a chartplotter

There are several considerations that should be taken into account when purchasing a chartplotter.  The two biggest considerations are screen size and budget. Tony Moore of The Binnacle electronics always says “get the biggest screen that will fit on your boat and in your wallet”. Screen size is a factor that will make you realize bigger really is better, but it is also the factor that most affects the price of the unit. Chartplotter screen sizes typically range from 4” (as low as $300) to 12” (as high as several thousand dollars) so you can see how screen size is the first question you should consider before you shop for a chartplotter. But keep in mind you do not need to break your budget to get a quality display with good detail which is available in some of the smaller screen units. 
Garmin chartplotterRaymarine chartplotter

Like many flat screen televisions, chartplotters may include features such as touch-screens, WiFi, Bluetooth and Smart Phone apps.  Consider whether these features are important to you by thinking about how you will actually use the unit. Will it be primarily used as a fishfinder? Will you want to display other data on it such as radar? Do you plan to integrate other instruments with it?

Other things to consider when selecting a plotter are connectivity and compatibility to other marine electronics.  You want to determine if your plotter is able to connect with other components such as your VHF radio, autopilot system, radar and AIS?

Chartplotters perform three main functions. 

  1. Straight line navigation.  This is the waypoint navigation, where the user inserts a destination point that can be defined as a coordinate’s position. The devices provide the following information: bearing, speed, and heading. The bearing provides the direction to follow, the speed of the vessel provides the estimated time of arrival to the destination while the heading provides the current vessel's direction, which is also helpful in order to make navigation corrections.
  2. Tracks - the waypoints recording function.  It is important, for instance, in narrow waterway navigation, in order to avoid obstructions such as rocks, or to execute reverse route navigation back to the starting point. 
  3. Routes - the boater inserts a collection of waypoints, similar to the function provided in other navigation devices. The chartplotter will provide directions from one point to the other.

Charts – All chartplotters come with a base map but that is not good enough detail for navigation so you will require a chart card. Some chartplotters include navigational charts and others require you to purchase a chart card. You will have to know the chart cards used by the brand/model of chartplotter you purchase. The popular brands of chart cards are

  • Navionics (Raymarine, Lowrance, Simrad)
  • Garmin G2 (all Garmin chartplotters)
  • C-Map (Standard Horizon, Furuno, Navman)

Most chart cards include much more geographic area than you will ever use such as all of the Great Lakes and St Lawrence (C-Map) or all of Canada (Garmin, Navionics)

One of our more popular chartplotter GPS combo units is the Raymarine Dragonfly 7Pro.  The unit includes Navionics charts on  a microSD card that includes all coastal charts for Canada and USA as well as the Great Lakes and thousands of inland lakes.  It also includes a transom mount transducer.  
One of the great features of the Dragonfly is its simplicity.  The unit is very intuitive with easy display choices and menu options.  It is loaded with all the latest technology that you would expect from Raymarine.

 
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