" FROM gps_points "+
"WHERE "+OSM.sql_for_area(ymin,xmin,ymax,xmax,"gps_points.")+
" AND (gps_points.timestamp IS NOT NULL) "+
" FROM gps_points "+
"WHERE "+OSM.sql_for_area(ymin,xmin,ymax,xmax,"gps_points.")+
" AND (gps_points.timestamp IS NOT NULL) "+