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ContinuousWave: Small Boat Electrical
Charlotte Harbor and Boca Grande: Best NAVIONICS Chart
|Author||Topic: Charlotte Harbor and Boca Grande: Best NAVIONICS Chart|
posted 08-09-2013 08:58 AM ET (US)
I am planning on taking my boat to Florida this winter to do a little fishing and touring in the Charlotte Harbor and Boca Grande area. I have a Lowrance HDS8 and am thinking of purchasing the [NAVIONICS] 1XL card. Would there be more detail with a smaller area card such the 62 or 902?
posted 08-11-2013 11:32 AM ET (US)
I just installed a Lowrance HDS-7 Gen 2. Why would I need to add Navionics charts? What value do Navionics charts really add to the standard GPS?
posted 08-11-2013 12:52 PM ET (US)
The upgrade chips do add more detail, but the problem I found is the Navionics chart has too small and fine print to see. The Lowrance chart while not as detailed is much easier to read. I find myself going to the preloaded chart so I can read it.
posted 08-11-2013 02:16 PM ET (US)
Moved to SMALL BOAT ELECTRICAL.
posted 08-11-2013 02:34 PM ET (US)
The term "GPS" refers to the Global Positioning System. The GPS is a system of satellites in orbit. The GPS is not a chart plotter. The GPS is not electronic chart cartography.
Electronic chart plotters often use a GPS receiver to learn their position. Electronic chart plotters use electronic charts. Many electronic chart plotters are sold with a GPS receiver and with electronic charts as part of a package.
If you buy a Lowrance HDS series chart plotter, it typically includes a GPS receiver and a package of electronic charts, known as the base map. The base map may or may not be suitable for your navigation purposes.
If you wish to purchase more electronic charts, you can upgrade at the time of purchase of the chart plotter and have added charts included in the permanent memory of the chart plotter, or you can purchase the added charts on a memory card which can be inserted in a memory card reader slot and loaded onto the chart plotter.
The exact nature of the digital cartography found on electronic charts is determined by the chart publisher. For a particular model of electronic chart plotter it is common that only certain formats for electronic charts are supported, and a choice of added charts must be made from the charts available in those formats. Charts are often sold in tiers. More expensive tiers usually offer more detailed information or include more options for presentation.
It is common that features of the presentation, such as what data will be shown, the size of certain features, and the style of the presentation, are made to be adjusted by the user to suit their preference. A careful review of all the options related to presentation of data on an electronic chart plotter for a particular set of charts can often reveal a large number of choices that can be set by the user.
posted 08-12-2013 08:35 AM ET (US)
For more on chart presentation options with the HDS, see
posted 08-12-2013 09:41 AM ET (US)
In the marketing of electronic charts there are usually two factors that affect the cost of the digital cartography:
--the features offered in the cartography, and
--the area covered.
Charts that offer more features are sold at higher prices. Added features include enhancements in presentation such as depth contours, inclusion of aerial photographs, and inclusion of text data about shore facilities. The chart publishers use a variety of names to describe these tiers of chart products.
It is also common that digital charts are sold with different amounts of area covered. For example, one can buy digital charts for a particular Great Lake, for combinations of two or more Great Lakes, or for all five Great Lakes. The detail of the charts shown in these different packages of charts is the same among the charts of the same tier of detail; you just get more charts when you buy a larger area package of them.
If you want to compare charts in a publisher's series of different charts, you can compare charts of different tiers of features as well as charts of different areas of coverage.
posted 08-11-2013 10:37 PM ET (US)
I use Platinum Plus 906PP - Southeast and Bahamas in my HD5. I run up the Peace River down Charlotte Harbor and out Boca Grande pass.
posted 08-13-2013 04:50 PM ET (US)
Thanks RidgeRunner, that is the one I was thinking of getting. Will be at Boca Grande (Rotonda) from mid December until end of March maybe we will meet up
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