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What is the diameter of the earth? [geography.about.com]

The diameter of the earth at the equator is 7,926.41 miles (12,756.32 kilometers).

But, if you measure the earth through the poles the diameter is a bit shorter - 7,901 miles (12,715.43 km). Thus the earth is a tad wider (25 miles / 41 km) than it is tall, giving it a slight bulge at the equator. This shape is known as an ellipsoid or more properly, geoid (earth-like).

7926.41 / 39.37 = 201.33 BASE OF G3 = 201.42 (+ OR -)

If we add up the two distances we get here we get 7926.41 + 7901.0 = 15827.41 / 2 = 7913.705

And I have my circle at 7915.8082 .. Pretty close I should think.

Regards
Don Barone

&quot;The further a society drifts from the truth, the more it will hate those that speak it.&quot; -- George Orwell... and remember what The Dormouse said: Feed Your Head

Subject Views Written By Posted
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Re: The Giza Plateau Grid Disocvered 329 Sterling 21-Oct-09 15:02
Re: The Giza Plateau Grid Disocvered 300 Ahatmose 21-Oct-09 15:12
Re: The Giza Plateau Grid Disocvered 410 Ahatmose 21-Oct-09 23:09
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Re: The Giza Plateau Grid Disocvered 322 Ahatmose 22-Oct-09 03:33
Re: The Giza Plateau Grid Disocvered 306 Ahatmose 22-Oct-09 03:55
Re: The Giza Plateau Grid Disocvered 334 Modeh 22-Oct-09 05:06
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Re: More interesting stuff from The Giza Template 308 Ahatmose 23-Oct-09 00:16
Re: More interesting stuff from The Giza Template 347 Ahatmose 23-Oct-09 00:23
Re: More interesting stuff from The Giza Template 310 Ahatmose 23-Oct-09 00:37
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Re: More interesting stuff from The Giza Template 277 Ahatmose 23-Oct-09 01:58
Re: More interesting stuff from The Giza Template 312 Ahatmose 23-Oct-09 04:02
Re: The Giza Plateau Grid Disocvered 328 DUNE 22-Oct-09 22:15
Re: The Giza Plateau Grid Disocvered 329 Ahatmose 22-Oct-09 23:39
Re: The Giza Plateau Grid Disocvered 328 DUNE 23-Oct-09 07:09
Re: The Giza Plateau Grid Disocvered 356 Ahatmose 25-Oct-09 00:34
Re: The Giza Plateau Grid Disocvered 329 debraregypt 25-Oct-09 13:50
The Giza Plateau Grid Discovered: Why 39.37 ? 314 Ahatmose 25-Oct-09 11:32
Re: The Giza Plateau Grid Discovered: Why 39.37 ? 252 Ahatmose 25-Oct-09 12:22
Re: The Giza Plateau Grid Discovered: Why 39.37 ? 325 Ahatmose 25-Oct-09 13:28
Re: The Giza Plateau Grid Disocvered 338 Ahatmose 29-Oct-09 03:21
Re: The Giza Plateau Grid Disocvered 382 DUNE 29-Oct-09 20:25
Re: The Giza Plateau Grid Disocvered 327 Chris Partridge 30-Oct-09 00:42
Re: The Giza Plateau Grid Disocvered 339 Ahatmose 30-Oct-09 02:51
Reconnecting to the Source 287 Nick L 31-Oct-09 05:50
Re: The Giza Plateau Grid Disocvered 305 DUNE 30-Oct-09 07:33
Re: The Giza Plateau Grid Disocvered 306 Ahatmose 30-Oct-09 11:37
Re: The Giza Plateau Grid Disocvered 331 Scott Creighton 31-Oct-09 12:09
Re: The Giza Plateau Grid Disocvered 313 Nick L 31-Oct-09 15:11
Re: The Giza Plateau Grid Disocvered 236 Scott Creighton 31-Oct-09 16:11
Re: The Giza Plateau Grid Disocvered 345 Nick L 31-Oct-09 16:51
Re: The Giza Plateau Grid Disocvered 324 DUNE 30-Oct-09 20:33
Re: The Giza Plateau Grid Disocvered 359 Ahatmose 31-Oct-09 02:28
Re: The Giza Plateau Grid Disocvered 355 DUNE 31-Oct-09 13:04
Re: The Giza Plateau Grid Disocvered 355 DUNE 31-Oct-09 16:10
Re: The Giza Plateau Grid Disocvered 290 Ahatmose 31-Oct-09 22:44
Re: The Giza Plateau Grid Disocvered 316 Ahatmose 31-Oct-09 23:23
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Re: The Giza Plateau Grid Disocvered 321 Scott Creighton 01-Nov-09 11:00
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Re: The Giza Plateau Grid Disocvered 318 Jon B 01-Nov-09 12:23
Re: The Giza Plateau Grid Disocvered 313 Scott Creighton 01-Nov-09 13:33
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Re: The Giza Plateau Grid Disocvered 297 Ahatmose 01-Nov-09 14:33
Re: The Giza Plateau Grid Disocvered 323 Scott Creighton 01-Nov-09 14:43
Re: The Giza Plateau Grid Disocvered 334 Ahatmose 01-Nov-09 15:30
Re: The Giza Plateau Grid Disocvered 254 Ahatmose 02-Nov-09 05:12
Re: The Giza Plateau Grid Disocvered 332 Ahatmose 01-Nov-09 15:34
Re: The Giza Plateau Grid Disocvered 333 Scott Creighton 01-Nov-09 14:36
Re: The Giza Plateau Grid Disocvered 333 DUNE 01-Nov-09 11:13
Re: The Giza Plateau Grid Disocvered 388 DUNE 03-Nov-09 20:36
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Re: The Giza Plateau Grid Disocvered 322 Sirfiroth 03-Nov-09 21:41
Re: The Giza Plateau Grid Disocvered 334 DUNE 03-Nov-09 22:07
Re: The Giza Plateau Grid Disocvered 386 DUNE 03-Nov-09 22:10
Re: The Giza Plateau Grid Disocvered 287 DUNE 04-Nov-09 18:04
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Re: The Giza Plateau Grid Disocvered 348 DUNE 14-Nov-09 15:35
Re: The Giza Plateau Grid Disocvered 342 DUNE 20-Nov-09 14:50
Re: The Giza Plateau Grid Disocvered 347 DUNE 23-Nov-09 20:51

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