[time-nuts] Time Nuts at PTTI this past week

John Miles jmiles at pop.net
Sat Dec 9 15:55:42 EST 2006


Ah, that makes sense... g=G*M/(r^2), so a small change in radius (elevation)
matters a lot more than the small change in mass underfoot.  It's back to
junior-high physics for me...

-- john, KE5FX


> > Remember that while you are 1340 meters up, the mountains gravity pull
> creates
> > a local compensation to a small degree, so you will not fully experience
> the
> > full altitude difference.
>
> Magnus,
>
> Yes, I considered this but found the compensation
> was several orders of magnitude below the numbers
> I was working with so I got to ignore it. I mean, you
> think mountains sound big until you compare them
> to a whole planet.
>
> Don't get hung up on subtle variations in g itself.
> There are many factors that go into g for any place
> (and time) on earth.
>




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