Location Chart Notice For Free

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The first step is to look at the chart, decide on the route, then using a pencil and ruler mark the route from buoy to buoy or chosen position. Each change of course is called a waypoint and its position is marked using a cross with a square around it (the symbol for a waypoint).

If you look at a map or globe, you'll likely see lines running left to right and up and down. Latitude lines are the ones that run left to right (east to west), and longitude lines are the ones going up and down (north to south). Another way to look at it is that latitude is the x axis and longitude is the y axis.

Push the needle point of the compass into the chart where the penciled line starts. Sweep the compass lead over the penciled line. Mark your position as shown in illustration D. Erase all extra lines and marks to neaten the plot.

Once the new feature is available in the Google Maps app on your iPhone or Android, select your profile icon and tap Location Sharing. Choose the person you'd like to request location notifications from the list -- note that they already need to be sharing their location with you.

Charts published since 1951, carry a note indicating the amount of the shift, ing to the WGS 84 data. If navigational charts not contained WGS 84 chart datum, then fix obtained from the GPS receiver cannot be plotted directly or these charts.

In order to read a chart, you interpret longitude and latitude lines to determine your coordinates, which is your position. You have to understand and interpret different symbols like depth, scale, and navigation marks. Using these symbols, you find a safe course and plot it on the chart.