Garmin8888 Posted December 5, 2005 Share Posted December 5, 2005 (edited) How do I find the opposite point on earth, from were a GPS point is 180 degrees, from where one is please? Edited December 5, 2005 by Garmin8888 Quote Link to comment
SlytherinAlex Posted December 5, 2005 Share Posted December 5, 2005 How do I find the opposite point on earth, from were a GPS point is180 degrees, from where one is please? Start digging... - Quote Link to comment
+rutson Posted December 5, 2005 Share Posted December 5, 2005 How do I find the opposite point on earth, from were a GPS point is180 degrees, from where one is please? Start digging... - Well that's just silly Alex, you'd never get out of the core. Just go about 12450 miles in any direction and you'll be somewhere near. Quote Link to comment
SlytherinAlex Posted December 5, 2005 Share Posted December 5, 2005 (edited) Well that's just silly Alex, you'd never get out of the core. Just go about 12450 miles in any direction and you'll be somewhere near. That is true. I normally give my Auntie Podes a call and ask her. - Edited December 5, 2005 by SlytherinAlex Quote Link to comment
+Snosrap Posted December 5, 2005 Share Posted December 5, 2005 Just go about 12450 miles in any direction and you'll be somewhere near. Not if you are following a magnetic compass! To answer the question: It is easiest if you convert to decimal degrees, then: Lattitude is easy, just replace N with S (or vice-versa) For Longitude you have to replace W with E (again or vice-versa) and subtract the degrees from 180. Quote Link to comment
+Chris n Maria Posted December 5, 2005 Share Posted December 5, 2005 I think you are looking for what is known as the Antipodal Point. For some strange reason this was requested as an addition to Waypoint Workbench - so if you have Excel yuou could use that. Chris Quote Link to comment
Garmin8888 Posted December 5, 2005 Author Share Posted December 5, 2005 lordelph that is a great link and it works thanks! Quote Link to comment
JackiePenn Posted December 5, 2005 Share Posted December 5, 2005 try this hah ! fun Quote Link to comment
+Jonovich Posted December 5, 2005 Share Posted December 5, 2005 Hmm... It's gonna be a pretty wet cache if you were thinking of putting a cache there! J Quote Link to comment
+kewfriend Posted December 5, 2005 Share Posted December 5, 2005 Ok so it'll be on the beach on the north coast of spain or on a peak in NZ! Quote Link to comment
+Moote Posted December 5, 2005 Share Posted December 5, 2005 Use simple mathematics! But I think that these days they only do addies and takawayies at skool Quote Link to comment
alistair_uk Posted December 5, 2005 Share Posted December 5, 2005 Am I missing something? Is it just not a case of adding/subtracting 180 from the longitude and inverting the latitude. For example N 54° 58.472 W 001° 36.033 becomes S 54° 58.472 E 178° 23.967. Quote Link to comment
JackiePenn Posted December 5, 2005 Share Posted December 5, 2005 (edited) Use simple mathematics! But I think that these days they only do addies and takawayies at skool My teachers must of been on strike the day they were supposed to teach this, ah well Thatchers Britain. (and two edits shows the strike covered grammar lessons also) Edited December 5, 2005 by stonefisk Quote Link to comment
+Moote Posted December 5, 2005 Share Posted December 5, 2005 Am I missing something? Is it just not a case of adding/subtracting 180 from the longitude and inverting the latitude. For example N 54° 58.472 W 001° 36.033 becomes S 54° 58.472 E 178° 23.967. No, it was that if you were educated in the 70's you learnt all about this at the age 13 to 16 in maths, but now all they can do is addition and subtraction. This was put in a sarcastic way! But I think that these days they only do addies and takawayies at skool Quote Link to comment
alistair_uk Posted December 5, 2005 Share Posted December 5, 2005 (edited) No, it was that if you were educated in the 70's you learnt all about this at the age 13 to 16 in maths, but now all they can do is addition and subtraction. Well they tried to educate me in the 80s so I obviously would not know that. Please ignore everything I typed, or the bit that is not adding or subtracting at least. One question has just crossed my mind.... Why do you ask Garmin8888? Edited December 5, 2005 by alistair_uk Quote Link to comment
Garmin8888 Posted December 5, 2005 Author Share Posted December 5, 2005 The Rt Honrouble Harold Wilson the Mac opened my School! To get back to the question in hand...a person asked me this on Paltalk so I came 'ere.! Quote Link to comment
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