What a Digit Is Worth: Metres per Minute of Latitude and Longitude
This lesson is part of the course
In this lesson
You work out how many metres one minute, a tenth, a hundredth and a thousandth of a minute stand for north–south and east–west at the hunt's latitude, and turn a 25 m search radius into thousandths of a minute.
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Lessons in this course
- Coordinate Formats: Decimal Degrees, Degrees-Minutes and Degrees-Minutes-Seconds Locked
- What a Digit Is Worth: Metres per Minute of Latitude and Longitude Locked
- Distances Between Waypoints: the Flat Local Rule and the Haversine Formula Locked
- Bearings by Hand: ATAN, Quadrant Correction, MOD 360 and Compass Points Locked
- Waypoint Projection: a New Point from Distance and Bearing with the Flat Rule Locked
- Puzzle Clues: Digit Sums, Digital Roots and Letter Values from a Table Locked
- Multi-Stage Hunts: Stage Values into the Final Formula and a Radius Check Locked
- Capstone: How a Wrong Digit Moves the Final, a Found / Not-Found Log and a Chart Locked