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
    or...
       
    Reply
    Re: Obtaining a position fix with an android phone?
    From: Bill Lionheart
    Date: 2016 Oct 11, 07:25 +0100

    ...but see previous threads on using a digital single lens reflex
    camera to take a sun sight. That is possible.For stars though can you
    see them through your phone's camera? I need a tripod and long
    exposure to get photos of stars at all with a professional DSLR.
    
    Bill
    
    On 11 October 2016 at 07:18, Bob Goethe  wrote:
    > I agree that the phone's internal tilt sensors are not up to the challenge.
    > I experimented both with my Moto G by Motorola and my older Samsung.  I used
    > the Android app called "AR Bearing + Baseplate Compass".  It displays time
    > to the nearest second, with target crosshairs that are well suited to taking
    > a sight on a planet.
    >
    > But little variations from my phone's inclinometer in the altitude displayed
    > meant my fix could be as close as 2 or 3 miles away from my actual position,
    > or as many as 50 miles off...and there was no predicting which it would be.
    >
    > It may be that the day will come when having a suitable augmented reality
    > display on your smartphone screen, and the ability to snap pictures which
    > include that AR data, will make a cellphone's inclinometer a poor-man's
    > sextant...but that day is not yet here.
    >
    > Bob
    >
    > View and reply to this message
    
    
    
    --
    Professor of Applied Mathematics
    http://www.maths.manchester.ac.uk/bl
    

       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Join NavList

    Name:
    (please, no nicknames or handles)
    Email:
    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:

    Email Settings

    Posting 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