Core Education

The following questions from schools about modern navigation at sea are answered by Chris, a nautical tutor. Questions from Mataura School 1. How do people make the shipping lanes that ships travel along? 2. Is a GPS better than a map, or do you need both of them? 3. Why do people still use paper charts as well as electronic charts? 4. Where do people go to learn how to use things like the azimuth circle, stadimeter or radar? 5. How do you get a job on a big shipping container? Questions from Ilam School 1. How do you see modern marine technology moving forward from where it is now? 2. How accurate is echo-sounding and how do you actually calculate it? i.e. How much time passes between the sound and the echo for a depth of 100 metres for example? 3. How do marine navigation techniques vary between night and day? 4. If you were using radio technology I think storms and cloudy weather can create interference. Please explain if this is so or not. 5. How do you actually create nautical charts from the informa