JMU
Measuring Longitude
An Introduction


Prof. David Bernstein
James Madison University

Computer Science Department
bernstdh@jmu.edu


Review
Implications
Some History
Determining the Local Time
Determining Longitude Using Lunar Eclipses
Determining Longitude Using Lunar Eclipses (cont.)
Determining Longitude Using an Accurate Clock
Determining Longitude Using an Accurate Clock (cont.)