## The List of Articles Posted

**Part I - Basic Knowledge:**

- The Earth. Size, Shape, Main Dimensions
- Geographical Coordinates. Reduction
- Difference of Coordinates
- Arrival Point Coordinates
- Departure East - West
- Length of 1' of arc of Meridian & Equator
- Measurement units. Practical conversion rules
- Distance of the Sea Horizon
- Extreme Range
- Corrected Visibility Distance
- Dip of the Sea Horizon
- Dividing of Horizon in Degrees. Conversion
- Dividing of Horizon in Compass Points. Conversion
- True Course, True Bearing, Relative Bearing
- Magnetic Variation or Declination
- Compass Deviation. Conversion of Courses
- Compass Deviation. Conversion of Bearings
- Gyro-Compass Speed Error
- Determining Compass Deviation in 8 Courses
- Leading line. Leading line sensibility
- Determining the compass deviation with leading lines
- Determining the compass deviation using a faraway object
- Determining the compass deviation using reciprocal bearings
- Determining the compass deviation by comparing of courses-1
- Determining the compass deviation by comparing of courses-2
- Determining the compass deviation in 36 courses
- The Log. General knowledge on travelled distance
- The Log History
- The Log Correction. Determining the travelled distance
- The Log Coefficient. Determining the travelled distance
- The Log in a region with marine currents
- Experimental Range
- Measured Distance
- Determining the ship's speed using the log
- The relationship between distance, speed and time
- Estimated Time of Arrival. ETA
- Echo Sounder. The Correction of Depth
- Nautical Charts. Types of Scales
- Rhumb Line
- Meridional Parts
- Difference of meridional parts or Meridional difference
- Variation of the chart scale in the Mercator projection
- Rhumb line in the Mercator projection
- The unit of the chart

**To be continued.....**