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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | Re: GISList: Hawaii GIS |
| Date: |
07/31/2002 07:37:28 PM |
| From: |
David.Irving .. santos.com |
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You've probably thought of this, but what datum are your GPS coords
collected on?
David Irving
Technical Systems Analyst
Innovation Team
Santos Ltd
91 King William St
Adelaide SA 5000
Ph : +61 8 8224 7810
Fax: +61 8 8218 5960
Thomas Harris
<thomas@globalecology.sta To: gislist@geocomm.com
nford.edu> cc:
bcc:
01/08/2002 03:12 Subject: GISList: Hawaii GIS
Hi List:
We are having some difficulty with out Hawaii GIS. I received USGS
DRG's that are in UTM NAD27. Overlaying our Hawaii roads coverage
reveals a uniform offset in the DRG data of over 100 meters. We have
confidence in our road data because of field validation with GPS. I
suspect that the problem is perhaps unique to Hawaii. Does this
problem sound familiar to anyone working with Hawaii data?
Thanks in advance,
Thomas
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