<html><body><div style="color:#000; background-color:#fff; font-family:garamond, new york, times, serif;font-size:24px"><div dir="ltr" id="yui_3_16_0_1_1424072504771_2921"><span id="yui_3_16_0_1_1424072504771_2998">Hi does any one knows how to compute distance between two latitude and longitude points in GrADs. I have two points</span></div><div id="yui_3_16_0_1_1424072504771_3069" dir="ltr"><span id="yui_3_16_0_1_1424072504771_2998">lon1=30</span></div><div id="yui_3_16_0_1_1424072504771_3070" dir="ltr"><span id="yui_3_16_0_1_1424072504771_2998">lat1=-6</span></div><div id="yui_3_16_0_1_1424072504771_3071" dir="ltr"><span id="yui_3_16_0_1_1424072504771_2998">lon2=30.6</span></div><div id="yui_3_16_0_1_1424072504771_3072" dir="ltr"><span id="yui_3_16_0_1_1424072504771_2998">lat2=-6.4</span></div><div id="yui_3_16_0_1_1424072504771_3073" dir="ltr"><br><span id="yui_3_16_0_1_1424072504771_2998"></span></div><div id="yui_3_16_0_1_1424072504771_3074" dir="ltr"><span id="yui_3_16_0_1_1424072504771_2998">please help</span></div><div id="yui_3_16_0_1_1424072504771_2920"> </div><div id="yui_3_16_0_1_1424072504771_2894"><div id="yui_3_16_0_1_1424072504771_2893">AS EVER
<br>LUHUNGA
<br>
<br>--------------------
<br>Philbert Modest Luhunga
<br>University of Pretoria
<br>Department of Geography,Geoinformatics and Meteorology
<br>Private Bag X20 Hatfield 0028 South Africa
<br>Tel +27 (0) 12 420 5164
<br>Fax +27 (0) 12 420 6385
<br>Mobile:+ 27826228060
<br>Email address: philuhunga@yahoo.com</div></div></div></body></html>