Airborne and satellite radars record Frascati grape harvest   An aerial view of the Frascati area, taken a BACCHUS-DOC campaign flight   E-SAR polarimetric radar coverage of the Frascati area acquired during the BACCHUS-DOC campaign   Corner reflector used as a ground reference point for the aerial radar and satellite data of the Frascati are acquired during the BACCHUS-DOC campaign.   Close-up of the E-SAR radar image of Frascati acquired during the BACCHUS-DOC campaign   DLR's Dornier Do-228 used to fly the E-SAR aerial radar sensor utilised during the BACCHUS-DOC campaign   ESA's ESRIN centre in Frascati seen by DLR's E-SAR aerial radar instrument. Note distinctive rows of either vines or olive trees in the vicinity.   Birds are not the only ones to eye the juicy grapes. Much higher, satellites keep watch. Release date: 8 May 2006