NGA Plotting Chart 930 is for use between lattitudes of 53° to 57° (North or South).
The chart is 35 inches by 46 inches, and the center lattitude is 55°, where a scale of 1:629,889 makes every 4 inches on the chart equal to one second of longitude.
NGA Plotting Chart 930 is for use between lattitudes of 53° to 57° (North or South).
The chart is 35 inches by 46 inches, and the center lattitude is 55°, where a scale of 1:629,889 makes every 4 inches on the chart equal to one second of longitude.