5 responses

  1. Trisha
    July 23, 2017

    I never would have thought that GPS could be used for ocean navigation but it sounds like a cool concept! I think I would prefer to go out on the ocean with a professional rather than trying to sail the ocean blue on my own or with others who don’t know what they are doing either!


    • Andrejs
      July 23, 2017

      Hi, Trisha and thanks for stopping by.

      Actually, GPS stands for Global Positioning System is just one of six presently active (some of them like European Galileo in finishing stage) satellite navigation systems. The US GPS is just most popular and worldwide open since not so far years ago.

      Maritime navigation is almost impossible without GPS. Traditional marine navigation skills like using of sextant and star globe, even paper nautical charts, young navigators forget soon after Marine College graduation. You are absolutely right when talking about professional skipper on the board of any ship. No matter whether it is a sailboat or Panamax size crude oil carrier.

      As an example of consequences see what happened with sail catamaran Zingarella just last week. Skipper ignored clear marked warning sign about air clearance under the high voltage power line, touched the cable, and a fire broke out. Twelve people including six children were seriously injured.


  2. Vasile
    November 19, 2021

    I didn’t think that GPS is also for sea travel.
    By no means would I go on the water without a craftsman with me, not even on a lake. I have this experience.
    I’ve heard a lot about GPS from parents tracking their children.
    Only from movies do I know about navigation on the seas and oceans, and that the North Star is used.
    I hated naval catastrophes, I read books like Joule Verne and so on, but I never traveled by sea and ocean.


  3. Bert Chamberlain
    March 20, 2022

    How could I use Google Earth Pro to assist in navigating from Los Angeles to Hawaii?

    Thank you, Bert


    • Andrejs
      March 22, 2022

      Hi, You can use Google Earth Pro to calculate the passage distance in general (use Ruler, Path). Never use it for coastal navigation but all in all, no probs to locating your position even from iPhone GPS data.


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