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    Re: suggestion for a satisfactory celnav narrative
    From: Courtney Thomas
    Date: 2005 Jun 3, 12:30 -0500

    THANK YOU for your constructive reply and hope that some with the needed
    abilities, which I've already admitted I lack, will come forth to
    collaborate with all.
    On Fri, 2005-06-03 at 08:56, John Kabel wrote:
    > As another cynic, but still full of energy, I suggested the Wikipedia
    > approach in an e-mail a few days ago.  That is one way I am prepared to
    > contribute.  The other way would be an effort supported on a dedicated
    > server that this group can work with.  I am not competent to set up a multi-
    > authored document on a server, my own or anyone else's.  If someone were to
    > set it up, and identify to the group the ground rules and the access
    > mechanism, I would again contribute what I could.  I think the Wiki type of
    > software could be used for that.  Does the foregoing reduce me to half a
    > cycnic??
    > John Kabel, SN
    > London, Ontario
    > > Andrew Corl wrote-
    > >
    > > >For Courtney, I am raising my hand to help with this.  Don't know what I
    > > >can do but here is a list of techniques I feel should be in the manual:
    > > >Dead Reckoning Latitude by Noon Sun Longitude using a shortwave radio and
    > > >the noon sun Sextant operation and how to determine the elevation above the
    > > >horizon of the sun, moon, star, and planet Sight reduction using H.O. 249 -
    > > >method I am presently learning Sight reduction doing all the math (the
    > > >"apex of celestial navigation" according to Frank)
    > >
    > > As a world-weary old cynic, my opinion is that any offer, saying "this is
    > > how I think it should be done, and I'm prepared to contribute" is worth at
    > > least 10 proposals of "this is how I think it should be done, but by someone
    > > else, not by me". So Andrew's suggestions are indeed useful.
    > >
    > > No doubt, he expected a bit of nitpicking about his choice of topics, and I
    > > am happy to provide it. It relates to his suggested topic- "Longitude using
    > > a shortwave radio and the noon sun"
    > >
    > > Although proposals for timing the moment of noon, by observing the Sun
    > > around noon, reappear on this list at regrettably regular intervals, the
    > > fact remains that noon is the worst possible moment for doing that job.
    > > Although it's possible to make a crude assessment of the moment-of-noon by
    > > making an extended set of observations, before noon and after, the only way
    > > to get a PRECISE value of time-by-the-Sun (and hence longitude) is to do so
    > > at a time WELL AWAY from noon, so that the Sun is rising and falling at a
    > > measurable rate. If Andrew were to rephrase his suggestion to read instead-
    > > "Longitude using a shortwave radio and a time-sight of the Sun", then I, for
    > > one, would be happy.
    > >
    > > George.
    > >
    > > ================================================================
    > > contact George Huxtable by email at george@huxtable.u-net.com, by phone at
    > > 01865 820222 (from outside UK, +44 1865 820222), or by mail at 1 Sandy Lane,
    > > Southmoor, Abingdon, Oxon OX13 5HX, UK.
    > > ================================================================
    > >
    > >
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