You need the free version of Avenza Maps to use the geolocated bathymetry, SST, chlorophyll and current maps. This video shows you how to install the app from the Google playstore on an Android device. If you have Apple devices, google for install instructions.
Sam is an incredibly knowledgeable and experienced oceanographer. The product he produces is far more technically advanced than alternatives simply due to the effort Sam puts into his product as a result of his years of studying the ocean and the creatures that inhabit it. His knowledge is unmatched in the fishing maps industry.
Che Kranenburg
Very informative and willing to help. Would recommend to anyone
Brayden Switacche
