Welcome to the NavList Message Boards.


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

Compose Your Message

Add Images & Files
    Re: Celestial a Black Box?
    From: Luc Van den Borre
    Date: 2016 Jan 17, 23:50 +0100

    On 17/01/16 23:17, Frank Reed wrote:
    > Quoting an experienced navigation instructor:
    > "I now make it a point to all navigators that sextant, chronometer and
    > tables comprise just as much of a 'black box' as does satellite
    > navigation. Has anyone silvered a mirror lately in an emergency, or
    > perhaps repaired a chronometer? Celestial navigation is merely an old
    > fashioned 'black box' requiring a bit more of the navigator..."
    > Is this a fair statement today? Is celestial a 'black box'? Just curious
    > to hear opinions on the matter.
    That's just a confusion of terms. 'Black box' means one deals with
    inputs and outputs without knowing the internal workings.
    Celestial navigation is only a black box to new students, right after
    their first introduction to it. After that, everything about it can be
    learned in detail, at least in principle (I think the same goes for a
    GPS receiver).
    Perhaps the instructor means 'a gadget that can break and leave you
    stranded'. Maybe there's a succinct term for that.

    Browse Files

    Drop Files


    What is NavList?

    Join NavList

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

    You can also join by posting. Your first on-topic post automatically makes you a member.

    Posting Code

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

    Email Settings

    Posting Code:

    Custom Index

    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