<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:10pt"><div><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px; font-weight: bold; color: rgb(192, 0, 0);">GPS HEIGHTS WE ARE READING ON OUR DEVICES</span></font></div><div><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px;"><br></span></font></div><div><font face="Arial, Helvetica, sans-serif"><span><span style="font-size: 14px; line-height: 22.265625px;">There are nearly 3 basic heights we have in our common use:</span></span></font></div><div><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px;"><br></span></font></div><div><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px;">1. Ellipsoid Heights(h) - Based on Datum (ie: WGS84, Arc1960,
etc).</span></font></div><div><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px;">2. Orthomatic Heights(H) - Based on Mean Sea Level(Computed over period of 17-year cycle).</span></font></div><div><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px;">3. Geoid Heights(N) - Based on Geoid (surface of the oceans under the influence of Earth's gravity).</span></font></div><div><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px;"><br></span></font></div><div><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px;">S0, H = h - N</span></font></div><div style="color: rgb(0, 0, 0); font-size: 14px; font-family: Arial, Helvetica, sans-serif; background-color: transparent; font-style: normal;"><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height:
22.265625px;"><br></span></font></div><div><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px;"><br></span></font></div><div><font face="Arial, Helvetica, sans-serif"><span style="line-height: 22.265625px; font-size: 48px; font-weight: bold; color: rgb(128, 0, 0);">Mts. Kilimanjaro Height:</span></font></div><div><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px;"><br></span></font></div><div style="color: rgb(0, 0, 0); font-size: 14px; font-family: Arial, Helvetica, sans-serif; background-color: transparent; font-style: normal;"><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px;">Ellipsoid Height(WGS84) = 5875.43m</span></font></div><div><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px;">Orthomatic Height(WGS84) = 5889.51m.</span></font></div><div><font face="Arial,
Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px;">Geoid Height (WGS84) = -14.48m</span></font></div><div><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px;"><br></span></font></div><div><font face="Arial, Helvetica, sans-serif"><span style="font-size: 14px; line-height: 22.265625px;"></span></font></div><div><font face="Arial, Helvetica, sans-serif"><span style="line-height: 22.265625px; font-size: 24px; font-weight: bold; color: rgb(255, 0, 0);">Orthomatic Height(Arc1960) = 5890.79m.</span></font></div><div style="color: rgb(255, 0, 0); font-size: 24px; font-family: Arial, Helvetica, sans-serif; background-color: transparent; font-style: normal;"><font face="Arial, Helvetica, sans-serif"><span style="line-height: 22.265625px; font-size: 24px; font-weight: bold; color: rgb(255, 0, 0);"><br></span></font></div><div style="color: rgb(255, 0, 0); font-size: 24px; font-family:
Arial, Helvetica, sans-serif; background-color: transparent; font-style: normal;"><font face="Arial, Helvetica, sans-serif"><span style="line-height: 22.265625px; font-size: 24px; font-weight: bold; color: rgb(255, 0, 0);"><br></span></font></div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"></div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"> </div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">Yours,<br>Langen R. M. Mallya,<br>Chief Consultant,<br>(Geomatician, GIS Specialist, Programmer, Google Earth Trainer),<br>Member IST, TZGIS User Group, EIS, AAG & GISCorps Volunteer,<br>Cutlan Consultant,<br>P. O. Box 16967,<br>Arusha,<br>Tanzania.<br><br><br><br></div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">Phone #: +255-78-444-5465<br>Fax #: +255-27-253-0246<br>e-mail: cutlan@yahoo.com</div><br><br><br><br><div style="font-family: arial,
helvetica, sans-serif; font-size: 10pt;"><br>"In the end, we will remember not the words of our enemies, but the silence of our friends."</div></div></body></html>