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    Re: Single-handed sights
    From: Lu Abel
    Date: 2007 Oct 22, 13:12 -0700

    Makes even more sense!   Thanks, Gary
    
    glapook{at}PACBELL.NET wrote:
    > Gary LaPook writes:
    >
    > I use the inverse of your method, I start counting seconds from the
    > time of the sight until I can look at my watch, never more than 3
    > seconds so less opportunity for the count to get off by any
    > significant amount. I use a digital watch that has a push button for
    > illumination at night. I check its error after the round of sights
    > using a more accurate watch or radio time signal.
    >
    > gl
    >
    > On Oct 22, 10:29 am, Lu Abel  wrote:
    >
    >>Gary J. LaPook wrote:
    >>
    >>>Gary LaPook wrote:
    >>
    >>>I use one of those little hand held dictaphones. I put it in my shirt
    >>>pocket, start it recording and then just talk into it with the sextant
    >>>altitude and time.M uch easier than trying to juggle sextant, pencil and
    >>>paper especially if taking many sights. Go below and play it back and
    >>>write down the figures.
    >>
    >>I think everyone's experience will be different, but at one point in
    >>learning celestial I took a lot of sights without a helper.
    >>
    >>How?  First, I pre-adjusted my sextant to be close to the expected Hs.
    >>Then I looked at my watch and noted time to the second.  Then I simply
    >>started counting one-one hundred, two-two hundred, ... while I adjusted
    >>my sextant to its final reading.  Then noted time and reading in my
    >>notebook.
    >>
    >>With this method, you should be able to get a sextant reading within 15
    >>to 20 seconds of starting counting.  I did a few trial runs of simply my
    >>time counting to make sure I wasn't counting too fast or slow.  I
    >>believe that even after 30 seconds I was within one second or less.
    >>
    >>I was taking sights from a known position and my readings were no less
    >>accurate than what I got when using a helper on previous expeditions.
    >>
    >>Lu Abel
    >
    >
    >
    > >
    >
    
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