<DescribeSensor xmlns="http://www.opengis.net/sos/1.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.opengis.net/sos/1.0  http://schemas.opengis.net/sos/1.0.0/sosAll.xsd"
  service="SOS" outputFormat="_outputFormat">
  <procedure>_procedure</procedure>
</DescribeSensor>