E' a very important accessory to have the conformation
of the backdrop, the actual depth, the distance from the battigia,
and and very useful in the instrumental search.
UNITED OF
POSITIONING
The GPS (Global Positioning System) projected on commission
of the Department of the Defense of the United States, it
represents the best system of navigation and positioning that
has ever been realized.
CHART-PLOTTER
It Fundamentally works using a constellation of 24
satellites that you/they turn around the earth, besides the
GPS in endowment to the Diving and also Chart-Plotter or rather
that you/he/she has inserted to the I intern the world cartography,
and and interfacciato to the computer, directly unloading
the data in the hard disk.
