SOS is an OGC Standard. Copyright (c) 2012 Open Geospatial Consortium. To obtain additional rights of use, visit http://www.opengeospatial.org/legal/ . groups collections of observations produced by one procedure, e.g., a sensor system. The ObservationOffering lists the basic metadata for the associated observations including the observed properties of the observations. An observation may belong to more than one ObservationOffering spatial bounding box of the spatial extent of all features of interest that belong to observations associated with the offering temporal bounding box of the phenomenon times of all observations belonging to the offering temporal bounding box of the result times of all observations belonging to the offering identifies the response format supported for observation retrieval sos:ValueCode identifies the type of observation (with unique result type) which is used by the service to encode observations sos:ValueCode identifies the type of features of interest associated with the observations provided by the service describes the data offered by an SOS server identifies the response format supported for observation retrieval sos:ValueCode identifies the type of observation (with unique result type) which is used by the service to encode observations sos:ValueCode identifies the type of features of interest associated with the observations provided by the service