GENERAL CHARACTERISTICS ITEM DESCRIPTION | UGSS IS A SUITE OF HAND AND AIR EMPLACED SENSORS THAT DETECT MOVEMENT BY PERSONNEL AND VEHICLES WITHIN TACTICAL OBJECTIVE AREAS;ACTIVITY IS DETECTED THROUGH EARTH VIBRATIONS,DISTURBANCES IN MAGNETIC FIELDS,AND CHANGES IN AMBIENT TEMPERATURES;THE AIR DELIVERED SEISMIC SENSOR HAS A SELF-CONTAINED TRANSMITTER TO TRANSMIT THE DATA TO A MONITORING SITE |