trying to identify the coordinates

larynx · 07-08-2007, 04:20 AM

I have a map of a land subdivision (circa 1968) and it has several types of coordinates on it that I'm not familiar with, how do I convert these coordinates to GPS coordinates (long, lat):
North 785538.56
East: 1362921.98

Thanks in advance.

withak · 07-08-2007, 05:03 AM

Figure out what coordinate system they are in and then use one of the many online converters.

larynx · 07-08-2007, 02:15 PM

That's what I've been trying to do, I search all over but I can't seem to find it. Does it look familiar?

withak · 07-08-2007, 02:17 PM

There is no way to tell just from the numbers, it should be printed on the map somewhere.

larynx · 07-08-2007, 02:41 PM

Here is the map that I'm looking at: http://www.arkmaps.com/details.asp?ID=00000268

I'm trying to find the location in the top right corner (the dot inside the circle), so I can place it on top of an aerial photo.

withak · 07-08-2007, 03:17 PM

Probably a state grid.

larynx · 07-08-2007, 10:11 PM

how can it be converted to GPS coordinates?

m_k · 07-08-2007, 10:21 PM

Check http://www.ngs.noaa.gov/cgi-bin/spc_getgp.prl
You need zone number, which can be found here http://www.ngs.noaa.gov/cgi-bin/spc_zones.prl (by county name)

07-08-2007, 04:20 AM	#1
larynx Junior Member Join Date: Jul 2007 Posts: 4	trying to identify the coordinates I have a map of a land subdivision (circa 1968) and it has several types of coordinates on it that I'm not familiar with, how do I convert these coordinates to GPS coordinates (long, lat): North 785538.56 East: 1362921.98 Thanks in advance.

07-08-2007, 10:21 PM	#8
m_k Bored Explorer Join Date: Nov 2004 Location: Warsaw, Poland Posts: 1,808	Check http://www.ngs.noaa.gov/cgi-bin/spc_getgp.prl You need zone number, which can be found here http://www.ngs.noaa.gov/cgi-bin/spc_zones.prl (by county name) __________________ Hot stuff: FAQ, forum search, DirectX, .NET, Video Card Compatibility list

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07-08-2007, 05:03 AM	#2
withak What? Join Date: Apr 2005 Location: San Francisco, California Posts: 2,461	Figure out what coordinate system they are in and then use one of the many online converters.

07-08-2007, 02:15 PM	#3
larynx Junior Member Join Date: Jul 2007 Posts: 4	That's what I've been trying to do, I search all over but I can't seem to find it. Does it look familiar?

07-08-2007, 02:17 PM	#4
withak What? Join Date: Apr 2005 Location: San Francisco, California Posts: 2,461	There is no way to tell just from the numbers, it should be printed on the map somewhere.

07-08-2007, 02:41 PM	#5
larynx Junior Member Join Date: Jul 2007 Posts: 4	Here is the map that I'm looking at: http://www.arkmaps.com/details.asp?ID=00000268 I'm trying to find the location in the top right corner (the dot inside the circle), so I can place it on top of an aerial photo.

07-08-2007, 03:17 PM	#6
withak What? Join Date: Apr 2005 Location: San Francisco, California Posts: 2,461	Probably a state grid.

07-08-2007, 10:11 PM	#7
larynx Junior Member Join Date: Jul 2007 Posts: 4	how can it be converted to GPS coordinates?

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