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» Online Classroom   »   » Public Discussion of Inland and Coastal Navigation   » Electronic Charts

   
Author Topic: Electronic Charts
MAC V


 - posted February 22, 2008 10:59 AM      Profile for MAC V            Edit/Delete Post 
In doing lesson 1, for chapters 1,2,3, - I noticed that the electronic chart does not match the questions. For example on the electronic chart 18465, questions 1-2 and 1-3 refer to buoy Y "R" on the chart. However, it is buoy YB "R."

Question 1-5 and 1-6: There is no buoy R "4" listed on the electronic chart 18465. Please advise, I also have a copy of the paper chart with the buoys marked. Are the echarts not to be used to answer the questions? Fred

From: Groton
David Burch


 - posted February 22, 2008 02:28 PM      Profile for David Burch           Edit/Delete Post 
Thanks for pointing this out. I think this is discussed in several places in the discussion groups. There is some inconsisteny in the charts.

see
http://www.starpath.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic;f=52;t=000020#000000

also try searching both discussion forums on "buoy R4"

=========

As for question answers, you can use either chart for most of the questions. and you may want to just add add a mark on the electronic chart where you need buoys... actually a good exercise as this might come up underway.

From: Starpath, Seattle, WA


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