Position (by waterway and km

Most preferably, the geophysical coordinates consist of longitude and latitude or consist of longitude and latitude and altitude.

The latitude/longitude information extraction means extracts latitude/longitude information from the acquired telephone book data.

Waters lying between 25o00′ south latitude and 30o00′ south latitude and east of 10o00′ east longitude.

northern limit: latitude 5° N

Waters lying between 20o00′ south latitude and 25o00′ south latitude and east of 10o00′ east longitude.

Northern limit: parallel 5o North latitude

Waters lying between 15o00′ south latitude and 20o00′ south latitude and east of 10o00′ east longitude.

Waters lying between 10o00′ south latitude and 15o00′ south latitude and east of 10o00′ east longitude.

latitudinal planes perpendicular to the polar axis

Initial position: Latitude Longitude (east/west

Waters lying between 6o00′ south latitude and 10o00′ south latitude and east of 10o00′ east longitude.

Geographical coordinates: geographical longitude, latitude and altitude

Northern limit parallel 5° North latitude

southern limit: latitude 0° S