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    Re: CN - quick reference card
    From: Brian Killian
    Date: 2019 Dec 24, 01:54 -0500
    Just a quick pictorial how to practice when land locked using the long term Almanac, NASR METHOD and the use of the S-Table. 


    Sent from my iPhone

    On Dec 23, 2019, at 23:03, Brian Killian <NoReply_Killian@fer3.com> wrote:

    
    Just a quick observation non pun intended... save your money. I have have all the Davis templates I tried them a few times, but find them tedious to use. They really don’t work well with US Standard Paper, the spiral binding gets in the way of laying it flat. I can not see anyone actually using it at sea. So, there they sit on my CelNav resource self. 

    After doing hundreds to thousands of Sites, and site reduction methods, you pretty pretty much will have decided what method or methods you like best and will have memorized the form In Your head or have come up with a method that makes sense to you. 

    As a side note: I use the 50 year long term almanac which uses the NASR method which uses an Assume position and I use the S-Table sight reduction method booklet that uses a DR/EP position.  Both tiny books together are a size of one Sailing magazine, and good for 50 years. All you now need is a watch, a sextant, charts, and standard plotting equipment. 

    Of course it takes longer to come up with your own GHA and DEC of a celestial body. But there is nothing better then working out the puzzle and coming up with a Line Of Position that is Close enough to your true position to get you around the world, and the bragging rights saying you made a crossing using just 2 little booklets. 

    Since I am on a roll, if your land locked, and want to get practice gettin quicker at the math, get the EZ celestial app, then  shoot a celestial body. Then - just write down the time, date,  body, your DR position, and the Sextant observation either Hs or Ho put them on a piece of paper. Then using your 50 year almanac or a nautical almanac, and figure out a line of position and see how close you are from what the EZ App came up with which uses the H.O. 229 method. 

    I hope this help out. 

    Captainbee 

    P.S. 



    An example what I do daily for fun using just a 50 year almanac and the methods described above.. 

    Sent from my iPhone

    On Dec 23, 2019, at 15:18, Igor S. <"NoReply_IgorS."@fer3.com> wrote:

    
    Does anyone on the NavList who have ever tried to design his own the so-called quick reference card for celestial navigation (with formulas, tables, schematic drawings, etc.)?
    It should be done in the most concise, condensed, clear and very well organized way which would fit to A4 (or A3) both sides? I would be very curious to see the examples if any. Subsequently one can laminate and keep it on board of a vessel.
    The one I found on internet is from Davis Instruments: https://www.amazon.com/Davis-Instruments-Celestial-Navigation-Reference/dp/B0039ZJWGG  which has many positive reviews.
    Merry Christmas and Happy 2020 !

    kind regards,

    Igor

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