Welcome
I am a fisherman.
I have some inquiries about maps. Most of the garmin devices.
* It is not accurate in the points in the maps.
As well as places of coral reefs. Not in the real place.
Despite the accuracy of the devices when sailing. As well as any points you save on the devices.
My question. How to calculate the depth points on the map. Do points on the map. Means that its distance from the surface or height from the bottom?
Thank you very much
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