Welcome to the NavList Message Boards.

NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

Message:αβγ
Message:abc
Add Images & Files
    Name or NavList Code:
    Email:
       
    Reply
    Re: News Item on Over-reliance on GPS
    From: Richard B. Langley
    Date: 2008 Nov 3, 14:44 -0400

    A little bit more information from the Coast Guard:
    
    -- Richard
    
    Quoting Lu Abel :
    
    >
    > It would be nice to have a little more detail on exactly what occurred
    > other than "the GPS failed"   When did the GPS fail, was the skipper
    > aware of the problem, and what navigation techniques were employed after
    > the GPS failed?
    >
    > Any skipper who just follows the his GPS blindly without situational
    > awareness is dumb, dumb, dumb.   But I don't blame the GPS for that, but
    > over-reliance on it by humans.
    >
    > That's probably the dilemma:   with traditional techniques like
    > celestial, bearings, and DR plots, the navigator had a high degree of
    > situational awareness.   Using a chart for all this navigation work was
    > unavoidable, giving awareness of what was around and beneath and ahead
    > of the boat.   With GPS, sadly, the box just produces magic numbers (or
    > magic "steer in this direction" commands).   I teach coastal piloting
    > frequently, I do admit that GPS exists and is a useful tool, I spend
    > time on how to get the most out of it, but then I also spend even more
    > time on how to keep out of trouble when using it, and what to do when
    > the screen goes blank.
    >
    > Lu
    >
    > Richard B. Langley wrote:
    > > 
    > >
    > > ===============================================================================
    > >  Richard B. Langley                            E-mail: lang@unb.ca
    > >  Geodetic Research Laboratory                  Web: http://www.unb.ca/GGE/
    > >  Dept. of Geodesy and Geomatics Engineering    Phone:    +1 506 453-5142
    > >  University of New Brunswick                   Fax:      +1 506 453-4943
    > >  Fredericton, N.B., Canada  E3B 5A3
    > >      Fredericton?  Where's that?  See: http://www.city.fredericton.nb.ca/
    > > ===============================================================================
    > >
    > >
    > >
    > > >
    > >
    >
    > >
    >
    
    
    ===============================================================================
     Richard B. Langley                            E-mail: lang@unb.ca
     Geodetic Research Laboratory                  Web: http://www.unb.ca/GGE/
     Dept. of Geodesy and Geomatics Engineering    Phone:    +1 506 453-5142
     University of New Brunswick                   Fax:      +1 506 453-4943
     Fredericton, N.B., Canada  E3B 5A3
         Fredericton?  Where's that?  See: http://www.city.fredericton.nb.ca/
    ===============================================================================
    
    
    
    --~--~---------~--~----~------------~-------~--~----~
    Navigation List archive: www.fer3.com/arc
    To post, email NavList@fer3.com
    To , email NavList-@fer3.com
    -~----------~----~----~----~------~----~------~--~---
    
    

       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Get a NavList ID Code

    Name:
    (please, no nicknames or handles)
    Email:
    Do you want to receive all group messages by email?
    Yes No

    A NavList ID Code guarantees your identity in NavList posts and allows faster posting of messages.

    Retrieve a NavList ID Code

    Enter the email address associated with your NavList messages. Your NavList code will be emailed to you immediately.
    Email:

    Email Settings

    NavList ID Code:

    Custom Index

    Subject:
    Author:
    Start date: (yyyymm dd)
    End date: (yyyymm dd)

    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site