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    Re: What constitutes Round The World (RTW) ?
    From: Bill Lionheart
    Date: 2021 Feb 1, 14:44 +0000

    So at first I thought that was a strange definition, passing through
    antipodes. But then I thought of some closed path (ie the track of a
    journey that starts and finishes in the same place). Now consider the
    path of the antipodes.  The criteria is simply that these two paths
    must intersect.  It is certainly much easier to explain than mine and
    nice and easy to check.  I wonder if navigators circumnavigating by
    these rules celebrate the first time they cross the antipode of their
    On Mon, 1 Feb 2021 at 14:17, Bob Crawley  wrote:
    > Thank you Bill, I should have thought to look there. Your definition does 
    the job although the average sailor may struggle with it. I then found, on 
    > A true circumnavigation of the Earth (around the world) must:
    > Start and finish at the same point, traveling in one general direction
    > Reach two antipodes*
    > If they just added a liitle waypoint at Fastnet Rock on the way out and 
    ensured that they went south of 52S 170E that would fix it.
    > Thanks again
    > BobC
    > View and reply to this message

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