[FRIAM] Great Circle

Mon Sep 20 09:27:19 EDT 2021

In November 1994 I was on a sailing trip down the Chilean islands. Local time was an hour *later* than NY time. I think part of that was that Chile was on daylight savings time.

I once flew from Seattle to LA to get on a flight to Beijing. That flight took us back over Seattle, Anchorage, and the Kamchatka peninsula. You can’t say that we were never over the Pacific, but we were never very far from land.

Another factoid, sometimes useful for a bet when sharing a beer, is that any two places north of latitude 45 are at most 6000 miles apart. Seattle is closer to Moscow than it is to Rome.

—Barry

Sent from my iPad

> On Sep 19, 2021, at 6:05 PM, Stephen Guerin <stephen.guerin at simtable.com> wrote:
> 
> 
> Interesting too to get distances for a question I have often asked folks:
> 
> Santiago, Chile is on the west coast of South America. Which US city has the closest value of longitude? often have to remind that longitudes are the north/south meridians / lines on the globe.
> getLos Angeles
> Houston
> Miami
> New York
> Also, rank order the above cities in closeness to Santiago, Chile.
> 
> Think of the answer before scrolling down.
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> My experience is > 80% misestimate how far east South America is in relation to North America and miss the answer of New York. 2D Map
> 
> And now it's easy to ask to rank the distances:  Globe View
> MIA  (folks who travel to South America easily get this right)
> IAH 
> JFK
> LAX
> 
> 
> 
> _______________________________________________________________________
> Stephen.Guerin at Simtable.com
> CEO, Simtable  http://www.simtable.com
> 1600 Lena St #D1, Santa Fe, NM 87505
> office: (505)995-0206 mobile: (505)577-5828
> twitter: @simtable
> zoom.simtable.com
> 
> 
>> On Sun, Sep 19, 2021 at 3:22 PM Frank Wimberly <wimberly3 at gmail.com> wrote:
>> That gives a good view, Stephen.  Hawaii is farther south than I thought.  Thanks.
>> 
>> ---
>> Frank C. Wimberly
>> 140 Calle Ojo Feliz, 
>> Santa Fe, NM 87505
>> 
>> 505 670-9918
>> Santa Fe, NM
>> 
>>> On Sun, Sep 19, 2021, 3:19 PM Stephen Guerin <stephen.guerin at simtable.com> wrote:
>>> I was going to post this similar site but Ed beat me with his :-) This one also has a globe view...
>>> 
>>> https://www.greatcirclemap.com/globe?routes=CLT-HNL
>>> _______________________________________________________________________
>>> Stephen.Guerin at Simtable.com
>>> CEO, Simtable  http://www.simtable.com
>>> 1600 Lena St #D1, Santa Fe, NM 87505
>>> office: (505)995-0206 mobile: (505)577-5828
>>> twitter: @simtable
>>> zoom.simtable.com
>>> 
>>> 
>>>> On Sun, Sep 19, 2021 at 2:03 PM Frank Wimberly <wimberly3 at gmail.com> wrote:
>>>> Thanks, Ed.  That's useful.
>>>> 
>>>> ---
>>>> Frank C. Wimberly
>>>> 140 Calle Ojo Feliz, 
>>>> Santa Fe, NM 87505
>>>> 
>>>> 505 670-9918
>>>> Santa Fe, NM
>>>> 
>>>>> On Sun, Sep 19, 2021, 1:54 PM Edward Angel <angel at cs.unm.edu> wrote:
>>>>> Close: https://www.airmilescalculator.com/distance/clt-to-hnl/
>>>>> _______________________
>>>>> 
>>>>> Ed Angel
>>>>> 
>>>>> Founding Director, Art, Research, Technology and Science Laboratory (ARTS Lab)
>>>>> Professor Emeritus of Computer Science, University of New Mexico
>>>>> 
>>>>> 1017 Sierra Pinon
>>>>> Santa Fe, NM 87501
>>>>> 505-984-0136 (home)		 	angel at cs.unm.edu
>>>>> 505-453-4944 (cell) 				http://www.cs.unm.edu/~angel
>>>>> 
>>>>>> On Sep 19, 2021, at 1:48 PM, Frank Wimberly <wimberly3 at gmail.com> wrote:
>>>>>> 
>>>>>> Not to change the subject but...
>>>>>> 
>>>>>> A large airliner recently, 15 minutes ago, flew over Santa Fe headed west.  My Flight Radar app tells me that it's a Boeing 777 going from Charlotte to Honolulu at an altitude of 38000 feet.  I wouldn't have thought that Santa Fe was on a great Circle route between those two cities.  But maybe it is.
>>>>>> 
>>>>>> ---
>>>>>> Frank C. Wimberly
>>>>>> 140 Calle Ojo Feliz, 
>>>>>> Santa Fe, NM 87505
>>>>>> 
>>>>>> 505 670-9918
>>>>>> Santa Fe, NM
>>>>>> 
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