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Will navionics show the relief shadow with full details of wreck cave platue hills mountain far out in offshore deep sea salt water in depth above 800 feet as you show it do show in depth of 300 feed of water ?
If so do you have a video that show it.. how many is the cost of relief shading aplication by avionics ?
Will navionics show the relief shadow with full details of wreck cave platue hills mountain far out in offshore deep sea salt water in depth above 800 feet as you show it do show in depth of 300 feed of water ?
If so do you have a video that show it.. how many is the cost of relief shading aplication by avionics ?