Sonarchart Shading to find ledges and reefs

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LunaBuna

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Location
Wilmington, NC
# of dives
0 - 24
Navionics has added a SonarChart Shading feature which uses shades of blue to highlight bottom contours (see pic). It seems like this would be a quick way to identify potential ledges. Anybody have any experience with this?
Satellite Overlay with SonarChart™ Shading
 

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I just use the topographic sonar charts, easy to read where walls and ledges are ...

_R
 
https://www.shearwater.com/products/teric/

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