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    Re: Status of Celestial Nav in 2015
    From: Alexandre Eremenko
    Date: 2015 Mar 6, 03:30 +0000

    For this money they could give you a souvenir GPS,
    not only a photo:-)
    
    Alex.
    ________________________________________
    From: NavList@fer3.com [NavList@fer3.com] on behalf of Brad Morris [NoReply_Morris@fer3.com]
    Sent: Thursday, March 05, 2015 5:11 PM
    To: eremenko@math.purdue.edu
    Subject: [NavList] Re: Status of Celestial Nav in 2015
    
    Alex
    
    GPS does indeed work in the polar regions.  In Google Images, search "GPS
    south pole" and you can observe the one souvenir obtainable at the South
    Pole Station, to wit: a photo of your hand held GPS reading S90 00 00.
    
    I've looked into it.  The last time I checked, its a $30K round trip, with
    no overnight stay.   They fly you to the South Pole, you walk around for a
    bit, and you fly back.  The souvenir photo is practically obligatory.
    
    Brad
    On Mar 5, 2015 4:29 PM, "Alexandre Eremenko" 
    wrote:
    
    > Lu,
    > Is GPS navigation really available everywhere?
    > In particular in the Polar regions?
    > If not, what is the other reliable way of navigation in polar regions?
    >
    > Alex.
    > ________________________________________
    > From: NavList@fer3.com [NavList@fer3.com] on behalf of Lu Abel [NoReply_LuAbel@fer3.com]
    > Sent: Wednesday, March 04, 2015 8:51 PM
    > To: eremenko---.edu
    > Subject: [NavList] Re: Status of Celestial Nav in 2015
    >
    > Remember that this started as a discussion of why one would use celestial in 
    2015.   Emergency navigation was given as one possibility.   I rather suspect 
    that in the two examples given by Greg the explorer was using celestial as a 
    primary means.   That begs the question of "why?"
    >
    >
    >       From: Greg Rudzinski
    >  To: luabel{at}ymail.com
    >  Sent: Wednesday, March 4, 2015 4:46 PM
    >  Subject: [NavList] Re: Status of Celestial Nav in 2015
    >
    > Alex,Sam Willis used celestial navigation on his trip down the Grand Canyon 
    last summer. See link to BBC show that has Sam making observations using an 
    artificial horizon.http://www.dailymotion.com/video/x2f1pxgGeoffrey Kolbe 
    posted several years back on his North African desert celestial navigation 
    using a bubble octant. http://geoffrey-kolbe.com/C-Nav/index.htmGreg 
    Rudzinski
    > From: Alexandre Eremenko
    > Date: 2015 Mar 4, 22:00 +0000
    >
    >  Greg,
    > you wrote:
    >
    > > I would add remote wilderness travelers to the list of those that might find
    > celestial navigation a useful back-up to GPS.
    > > A plastic sextant such as the Davis MK 3 wouldn't add much weight to the pack.
    >
    > You would add this to the the question or this is a part of an answer?
    >
    > Do you know any people traveling in remote wilderness (on land) who are
    > using Cel nav, or carry sextants, almanacs, etc.?
    >
    > I have never heard of such people in modern times.
    >
    > Alex.
    > View and reply to this message
    >
    >
    >
    >
    > View and reply to this 
    message:http://fer3.com/arc/m2.aspx/Status-Celestial-Nav-2015-LuAbel-mar-2015-g30568
    >
    >
    >  View and reply to this message
    > 
    >
    
    
    View and reply to this message:
    http://fer3.com/arc/m2.aspx/Status-Celestial-Nav-2015-Morris-mar-2015-g30582
    
    
    
    

       
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