/working-with-special-data-sets/WHAT-IS-NON-GRIDDED-DATA.html" class="sf-depth-4">8.1 WHAT IS NON-GRIDDED DATA?</a></li><li id="menu-1286-1" class="middle even sf-item-2 sf-depth-4 sf-no-children"><a href="../working-with-special-data-sets/POINT-DATA.html" class="sf-depth-4">8.2 POINT DATA</a></li><li id="menu-1287-1" class="middle odd sf-item-3 sf-depth-4 sf-no-children"><a href="../working-with-special-data-sets/VERTICAL-PROFILES.html" class="sf-depth-4">8.3 VERTICAL PROFILES</a></li><li id="menu-1288-1" 