LEARNZ Navigation from Kupe to Cook to Today podcast 3 of 3

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 information gathered using a multi beam? More questions from NZ schools 1. Why is Matariki a Maori Myth? 2. When captain cook arrived to New Zealand what did he first discover 3. In your opinion is GPS better then the old way? 4. If you used a sextant or another marine device which device would be more accurate? 5. How do you become a captain of a navigation ship? 6. How many navigation tools did Captain Cook use? 7. What procedures are there if someone falls overboard? 8. Does GPS show if there are big waves or storms nearby? 9. How would a major earthquake affect the topography under the sea? 10. Who would be the figurative father of modern navigation? 11. How many years did it take to move from a single beam to a multi beam for surveying the seabed? More from LEARNZ "Matariki and Navigation: Kupe, Cook and Today" at https://www.learnz.org.nz/location192/connect-with-experts