<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">For some parts of the country you should be able to get 25m DEMs from NGI<div class=""><br class=""></div><div class=""><a href="http://cdngiportal.co.za/cdngiportal/" class="">http://cdngiportal.co.za/cdngiportal/</a></div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="DAD73739-4D68-4DEC-B0C6-D264BF20E992" width="1027" height="521" src="cid:192E4A9E-1514-49D7-A1E4-18060B7D101D" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 24 Aug 2021, at 12:56, Alex Leith <<a href="mailto:alexgleith@gmail.com" class="">alexgleith@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="auto" class="">We have a single GeoTIFF of SRTM accessible here: <div class=""><a href="https://deafrica-input-datasets.s3.af-south-1.amazonaws.com/srtm_dem/srtm_africa.tif" class="">https://deafrica-input-datasets.s3.af-south-1.amazonaws.com/srtm_dem/srtm_africa.tif</a></div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">It’s a Cloud Optimised GeoTIFF that works in WGIS or can be used with GDAL to flip out small areas without downloading.</div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">I don’t know about higher resolution.</div></div><div class=""><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 24 Aug 2021 at 8:35 pm, Chris Kirchhoff <<a href="mailto:chris@kirchhoffsurveyors.co.za" class="">chris@kirchhoffsurveyors.co.za</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class="">Thank you - these are the same resources we have found to date<div class=""><br class=""><div class=""><br clear="all" class=""><div class=""><div dir="ltr" data-smartmail="gmail_signature" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div style="color: rgb(34, 34, 34); line-height: 1.656; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size:11pt;font-family:Arial;color:rgb(180,95,6);font-weight:700;font-style:italic;vertical-align:baseline;white-space:pre-wrap" class="">..................................................................................</span></div><div style="color: rgb(34, 34, 34); line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;" class=""><b style="color:rgb(180,95,6);font-family:"times new roman",serif;white-space:pre-wrap" class="">Chris Kirchhoff</b><br class=""></div><div style="color: rgb(34, 34, 34); line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;" class=""><font color="#b45f06" face="times new roman, serif" class=""><span style="white-space:pre-wrap" class=""><b class="">Professional Land Surveyor</b></span></font></div><div style="color: rgb(34, 34, 34); line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;" class=""><b style="white-space:pre-wrap;color:rgb(180,95,6)" class=""><font face="times new roman, serif" class="">Cell: 082 773 4868</font></b></div><div style="color: rgb(34, 34, 34); line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;" class=""><b style="font-family:"times new roman",serif;color:rgb(180,95,6);white-space:pre-wrap" class="">Email:</b><font color="#0000ff" class=""><u class=""><b style="font-family:"times new roman",serif;white-space:pre-wrap" class="">chris@kirchhoffsurveyors</b><a href="mailto:office@5dgeo.co.za" style="color:rgb(17,85,204);background-color:transparent;font-family:"times new roman",serif;font-weight:700;white-space:pre-wrap" target="_blank" class="">.co.za</a></u></font></div><div style="color: rgb(34, 34, 34); line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;" class=""><u class=""><a href="http://www.kirchhoffsurveyors.co.za/" style="color:rgb(17,85,204)" target="_blank" class=""><b class=""><font color="#0000ff" class="">www.kirchhoffsurveyors.co.za</font></b></a></u></div><div style="color: rgb(34, 34, 34); line-height: 1.656; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size:11pt;font-family:Arial;color:rgb(17,85,204);font-weight:700;font-style:italic;vertical-align:baseline;white-space:pre-wrap" class=""><span style="border:none;display:inline-block;overflow:hidden;width:200px;height:39px" class=""><img src="https://lh4.googleusercontent.com/BrGoCm6OYCy9iyy7LKfcmIUFV3_1VPOfQ2oguKO3fCk7STQdy3oSCkDeG3jaQrhLhg_pqivAaFTvBfTvGp-4sIe5SnjRassD5eEcHnRRhAlMytS9WBwuuuspTwk2P_HDfRZJBdvw" width="195" height="35" style="margin-left:0px;margin-top:0px;margin-right:0px" class=""></span></span></div><div style="color: rgb(34, 34, 34); line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size:7pt;font-family:Arial;color:rgb(204,0,0);font-weight:700;font-style:italic;vertical-align:baseline;white-space:pre-wrap" class="">For UAV ( Drone) mapping - We are legally compliant with all Civil aviation authority, Department of transport and insurance requirements</span><span style="font-size:7pt;font-family:Arial;font-weight:700;font-style:italic;vertical-align:baseline;white-space:pre-wrap" class="">.</span><span style="font-size:7pt;font-family:Arial;color:rgb(204,0,0);font-weight:700;font-style:italic;vertical-align:baseline;white-space:pre-wrap" class=""> Licence details ASL/ROC Nr. CAA/G1221D ATO # CAA/0380 in association with UAV industries.</span></div><div style="color: rgb(34, 34, 34); line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><i style="color:rgb(153,153,153);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif" class=""><span style="font-size:6pt" class="">The information contained in this email is legally privileged and confidential and may contain proprietary and/or personal information. It is meant solely for the intended recipient and access to this email by anyone else is unauthorised. If you are not the intended recipient, any processing of the email or the information contained therein (including disclosure, copying, distribution, storage) or any action taken or omitted in reliance on this, is prohibited and may be unlawful. Once you are in receipt of this email and its contents, the onus falls on you to process any potential personal information in accordance with the provisions of the Protection of Personal Information Act 4 of 2013 (POPI). No liability or responsibility is accepted if information or data is, for whatever reason, corrupted or does not reach its intended recipient. No warranty is given that this email is free of viruses. The views expressed in this email are, unless otherwise stated, those of the author and not those of Kirchhoff Professional Surveys or its management. Kirchhoff Professional Surveys</span></i><span style="color:rgb(153,153,153);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif" class=""> </span><i style="color:rgb(153,153,153);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif" class=""><span style="font-size:6pt" class="">reserves the right to monitor, intercept and block emails addressed to its’ users or take any other action in accordance with its email use policy. Kirchhoff Professional Surveys</span></i><span style="color:rgb(153,153,153);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif" class=""><span style="font-size:6pt;font-style:italic" class=""> respects your privacy and acknowledges that this e-mail could contain personal information which may belong to you, others and/or to your company. By replying to Kirchhoff Professional Surveys' </span></span><i style="color:rgb(153,153,153);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif" class=""><span style="font-size:6pt" class="">email communication, you expressly give us consent to process the personal information contained in this email which will be done in accordance with the Protection of Personal Information Act (4 of 2013) (POPI) and the Kirchhoff Professional Surveys</span></i><i style="color:rgb(153,153,153);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif" class=""><span style="font-size:6pt" class=""> Priv</span></i><i style="color:rgb(153,153,153);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif" class=""><span style="font-size:6pt" class="">acy Policy.</span></i><br class=""></div><div style="color: rgb(34, 34, 34); line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><i style="color:rgb(153,153,153);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif" class=""><span style="font-size:6pt" class=""><br class=""></span></i></div></div></div></div></div></div></div><br class=""></div></div><div name="sortd_readrcpt" style="max-width:0;max-height:0;overflow:hidden" class=""><img alt="" style="width:0;max-height:0;overflow:hidden" src="https://app.sortd.com/rr/6124cb10df1138f7930f6b80?from=432e64fcffb5515bb75ac53e1ae30858" class=""></div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 24 Aug 2021 at 12:29, Hugo Paul <<a href="mailto:hugo.paul@agrimotion.net" target="_blank" class="">hugo.paul@agrimotion.net</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div lang="EN-ZA" class="">
<div class=""><p class="MsoNormal"><span class="">Hi Chris<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span class=""><u class=""></u> <u class=""></u></span></p><p class="MsoNormal"><span class="">Free low resolution data: 30m SRTM
<a href="https://dwtkns.com/srtm30m/" target="_blank" class="">https://dwtkns.com/srtm30m/</a><u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span class=""><u class=""></u> <u class=""></u></span></p><p class="MsoNormal"><span class="">Higher resolution paid data:
<a href="http://www0.sun.ac.za/cga/portfolio-items/sudem-stellenbosch-university-digital-elevation-model/" target="_blank" class="">
http://www0.sun.ac.za/cga/portfolio-items/sudem-stellenbosch-university-digital-elevation-model/</a><u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span class=""><u class=""></u> <u class=""></u></span></p><p class="MsoNormal"><span class="">There are other sources, but these are the ones I know off.<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span class=""><u class=""></u> <u class=""></u></span></p><p class="MsoNormal"><span class="">Regards<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span class="">Hugo<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span class=""><u class=""></u> <u class=""></u></span></p>
<div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0in 0in" class=""><p class="MsoNormal"><b class=""><span lang="EN-US" class="">From:</span></b><span lang="EN-US" class=""> Africa <<a href="mailto:africa-bounces@lists.osgeo.org" target="_blank" class="">africa-bounces@lists.osgeo.org</a>>
<b class="">On Behalf Of </b>Chris Kirchhoff<br class="">
<b class="">Sent:</b> 24 August, 2021 12:25<br class="">
<b class="">To:</b> <a href="mailto:africa@lists.osgeo.org" target="_blank" class="">africa@lists.osgeo.org</a><br class="">
<b class="">Subject:</b> [OSGeo Africa] best source for open source terrain model of South Africa<u class=""></u><u class=""></u></span></p>
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<div class=""><p class="MsoNormal">Hi All<u class=""></u><u class=""></u></p>
<div class=""><p class="MsoNormal">Where is the best possible source of open source digital terrain data for South Africa ?<u class=""></u><u class=""></u></p>
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<div class=""><p class="MsoNormal">Thanks<br class="">
Chris<u class=""></u><u class=""></u></p>
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<div class=""><p class="MsoNormal"><br clear="all" class="">
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<div class=""><div style="margin: 0in;" class=""><b class=""><i class=""><span style="font-family:Arial,sans-serif;color:rgb(180,95,6)" class="">..................................................................................</span></i></b><span style="color:rgb(34,34,34)" class=""><u class=""></u><u class=""></u></span></div><div style="margin: 0in;" class=""><b class=""><span style="font-family:"Times New Roman",serif;color:rgb(180,95,6)" class="">Chris Kirchhoff</span></b><span style="color:rgb(34,34,34)" class=""><u class=""></u><u class=""></u></span></div><div style="margin: 0in;" class=""><b class=""><span style="font-family:"Times New Roman",serif;color:rgb(180,95,6)" class="">Professional Land Surveyor</span></b><span style="color:rgb(34,34,34)" class=""><u class=""></u><u class=""></u></span></div><div style="margin: 0in;" class=""><b class=""><span style="font-family:"Times New Roman",serif;color:rgb(180,95,6)" class="">Cell: 082 773 4868</span></b><span style="color:rgb(34,34,34)" class=""><u class=""></u><u class=""></u></span></div><div style="margin: 0in;" class=""><b class=""><span style="font-family:"Times New Roman",serif;color:rgb(180,95,6)" class="">Email:</span></b><b class=""><u class=""><span style="font-family:"Times New Roman",serif;color:blue" class="">chris@kirchhoffsurveyors</span></u></b><u class=""><span style="color:blue" class=""><a href="mailto:office@5dgeo.co.za" target="_blank" class=""><b class=""><span style="font-family:"Times New Roman",serif;color:rgb(17,85,204)" class="">.co.za</span></b></a></span></u><span style="color:rgb(34,34,34)" class=""><u class=""></u><u class=""></u></span></div><div style="margin: 0in;" class=""><u class=""><span style="color:rgb(34,34,34)" class=""><a href="http://www.kirchhoffsurveyors.co.za/" target="_blank" class=""><b class="">www.kirchhoffsurveyors.co.za</b></a></span></u><span style="color:rgb(34,34,34)" class=""><u class=""></u><u class=""></u></span></div><div style="margin: 0in;" class=""><b class=""><i class=""><span style="font-family:Arial,sans-serif;color:rgb(17,85,204);border:1pt none windowtext;padding:0in" class=""><span id="cid:17b77b93615bee2ed7e1"><~WRD0000.jpg></span></span></i></b><span style="color:rgb(34,34,34)" class=""><u class=""></u><u class=""></u></span></div><div style="margin: 0in;" class=""><b class=""><i class=""><span style="font-size:7pt;font-family:Arial,sans-serif;color:rgb(204,0,0)" class="">For UAV ( Drone) mapping - We are legally compliant with all Civil aviation authority, Department of transport and insurance requirements</span></i></b><b class=""><i class=""><span style="font-size:7pt;font-family:Arial,sans-serif;color:rgb(34,34,34)" class="">.</span></i></b><b class=""><i class=""><span style="font-size:7pt;font-family:Arial,sans-serif;color:rgb(204,0,0)" class="">
Licence details ASL/ROC Nr. CAA/G1221D ATO # CAA/0380 in association with UAV industries.</span></i></b><span style="color:rgb(34,34,34)" class=""><u class=""></u><u class=""></u></span></div><div style="margin: 0in;" class=""><i class=""><span style="font-size:6pt;font-family:Roboto;color:rgb(153,153,153)" class="">The information contained in this email is legally privileged and confidential and may contain proprietary and/or personal information. It is meant solely for the intended
recipient and access to this email by anyone else is unauthorised. If you are not the intended recipient, any processing of the email or the information contained therein (including disclosure, copying, distribution, storage) or any action taken or omitted
in reliance on this, is prohibited and may be unlawful. Once you are in receipt of this email and its contents, the onus falls on you to process any potential personal information in accordance with the provisions of the Protection of Personal Information
Act 4 of 2013 (POPI). No liability or responsibility is accepted if information or data is, for whatever reason, corrupted or does not reach its intended recipient. No warranty is given that this email is free of viruses. The views expressed in this email
are, unless otherwise stated, those of the author and not those of Kirchhoff Professional Surveys or its management. Kirchhoff Professional Surveys</span></i><span style="font-family:Roboto;color:rgb(153,153,153)" class=""> </span><i class=""><span style="font-size:6pt;font-family:Roboto;color:rgb(153,153,153)" class="">reserves
the right to monitor, intercept and block emails addressed to its’ users or take any other action in accordance with its email use policy. Kirchhoff Professional Surveys respects your privacy and acknowledges that this e-mail could contain personal information
which may belong to you, others and/or to your company. By replying to Kirchhoff Professional Surveys' email communication, you expressly give us consent to process the personal information contained in this email which will be done in accordance with the
Protection of Personal Information Act (4 of 2013) (POPI) and the Kirchhoff Professional Surveys Privacy Policy.</span></i><span style="color:rgb(34,34,34)" class=""><u class=""></u><u class=""></u></span></div><div style="margin: 0in;" class=""><span style="color:rgb(34,34,34)" class=""><u class=""></u> <u class=""></u></span></div>
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</blockquote></div></div>-- <br class=""><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div class="">Alex Leith<br class=""></div>m: 0419189050</div></div>
_______________________________________________<br class="">Africa mailing list<br class=""><a href="mailto:Africa@lists.osgeo.org" class="">Africa@lists.osgeo.org</a><br class="">You can UNSUBSCRIBE at https://lists.osgeo.org/mailman/listinfo/africa<br class=""></div></blockquote></div><br class=""></div></body></html>