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--></style></head><body lang=EN-ZA link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Dear Muzi</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am not aware of a standard, (good question) however all I know is that you should declare your positional accuracy on your product. The positional accuracy is dealt with on a case by case basis depending on the clients requirements.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My warmest regards </p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Lt Col T.V. Turnbull<br>SO1 GEOMATICS<br><br>Tel: 084 206 8650<br>Email: tvturnbulll@gmail.com<br>Office DW Fmn: 012 674 4283<br>Office Co-ord: 25°47'33.60"S<br>28° 8'53.49"E</p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='border:none;padding:0cm'><b>From: </b><a href="mailto:madodomzi@cadmapping.co.za">Madodomzi Mafanya</a><br><b>Sent: </b>Tuesday, 07 August 2018 2:17 PM<br><b>To: </b><a href="mailto:africa@lists.osgeo.org">africa@lists.osgeo.org</a><br><b>Subject: </b>[OSGeo Africa] National Positional Accuracy Standards for DigitalGeospatial Data</p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hi List,</p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I once asked this question in a GISSA meeting sometime in 2015. With regards to 'strictly' rasterized digital geospatial data (e.g. DTMs and Orthomosaics), do we have a South African national positional accuracy standard? I think the rapid recent technological advancements in UAV and GNSS/RTK technology necessitates this question.</p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>If we do have a standard, where do I find it?</p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>ASPRS has something of this nature but are we looking into adopting some of this and making it mandatory for the sake of our profession?</p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Regards,</p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Muzi</p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div><div id="DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br />
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