Humminbird Side Imaging Forums
General => General Discussion => Topic started by: graggy on July 19, 2015, 05:56:11 AM
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What map card do most people use in their hd units
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HB units can use Navionics and LakeMaster ...
The best card is the card that has the detail you need for your specific lake ...
http://webapp.navionics.com/?lang=en#@6&key=_%7B%7CfF~h%60oQ (http://webapp.navionics.com/?lang=en#@6&key=_%7B%7CfF~h%60oQ)
http://www.humminbird.com/Category/Support/Find-a-Lake/ (http://www.humminbird.com/Category/Support/Find-a-Lake/)
LakeMaster does have an extra advantage in that it adds map customization menus for use with the LakeMaster cards ...
I use Navionics for some parts of Ky Lake ...and LakeMaster for other parts of Ky Lake ... Simply because no single card has the best info for every square inch of the lake ...
All mapping companies physically scan some parts of the lake ...and "extrapolate" map data for other parts of the lake ...
ex·trap·o·late
ikˈstrapəˌlāt/
verb
extend the application of (a method or conclusion, especially one based on statistics) to an unknown situation by assuming that existing trends will continue or similar methods will be applicable.
"the results cannot be extrapolated to other patient groups"
estimate or conclude (something) by extrapolating.
"attempts to extrapolate likely human cancers from laboratory studies"
MATHEMATICS
extend (a graph, curve, or range of values) by inferring unknown values from trends in the known data.
"a set of extrapolated values"
Rickie