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    Re: Index corr., Octant as dipmeter
    From: Alexandre Eremenko
    Date: 2004 Nov 22, 19:26 -0500

    Trevor,
    
    Thank you for your interesting explanation
    of the coast bombardment techniques.
    On my opinion, these are interesting non-electronic
    navigation techniques, so this is well within the scope
    of our list:-)
    
    (I am an artillerist by training, but of a different
    kind, of anti-aircraft artillery:-)
    
    I think Cel Nav has little to do with aiming guns.
    (Even in the most refined CelNav experiments, they
    achieved only 1/4 of a mile precision, which is
    not enough to hit a ship, unless you use nuclear munition).
    So I always thought that in the open sea gun battles they
    could aim their guns only visually, I mean in WWI and WWII.
    That is why the battleships had these enormous tall
    towers with hudge range-finders on the top.
    
    In a recent book on the history of Soviet Navy
    (early Cold War preriod),
    the following system of aiming ship-to-ship winged missiles
    was described. The missiles had range of few hundred miles.
    Several airplanes in the air between the ships formed
    a sort of "triangulation net", permanently determining their
    position with respect to each other, and one of them
    with respect to the enemy ship. These airplanes guided the
    missile by radio.
    
    Alex.
    
    On Sun, 21 Nov 2004, Trevor J. Kenchington wrote:
    
    > Ian Buxton's excellent technical history of the monitors ("Big Gun
    > Monitors", World Ship Society 1978)
    > contains some information on the
    
    
    

       
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