[OZAPRS] Google earth resolution

[Tony Farrow]

Don't forget that lines of latitude are mutually parallel, whereas
lines of longitude are not. The latter converge at the poles.

Cheers,

Tony VK2AJF

On 26/02/07, A Wallace <awallace at riverland.net.au> wrote:
> Could that be because the earth is not a true globe, but an oblate
> spheroid, being slightly squeezed at the poles?
>
> Adrian 5AW
>
>
> Andrew Rich wrote:
> > Just plyaing with some figures, trying to establish the resolution of
google
> > earth
> >
> > Change in LAT (27)
> >
> > 0.009677 = 107,109.23 cm
> > 0.000001 = 11 cm
> >
> > 0.079874 = 884092.73 cm
> > 0.000001 = 11 cm
> >
> > 0.276484 = 3060308.61 cm
> > 0.000001 = 11 cm
> >
> > Change in LON (153)
> >
> > 0.430612 = 4256068.85 cm
> > 0.000001 = 9.88 cm
> >
> > 0.133536 = 1319374.56 cm
> > 0.000001 = 9.88 cm
> >
> > 0.024147 = 238553.20 cm
> > 0.000001 = 9.88 cm
> >
> > It works out that 0.000001 change in LAT = 11.00 cm
> > It works out that 0.000001 chnage in LON = 09.88 cm
> >
> > -----------------------------------------
> > Andrew Rich
> > Amateur radio callsign VK4TEC
> > email: vk4tec at tech-software.net
> > web: http://www.tech-software.net
> > Brisbane AUSTRALIA
> >
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> >
> >
> >
>
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