Active RFID beacon that can be worn in a hikers pack&#x2F;clothes... that allow for MANY drones to spiral locate over a large area....<p>basically the drones will spiral out in some pattern better defined by not me which will allow them to look for the beacon and then find the person.<p>The spiral pattern defined by &quot;how long has the person been missing on foot&quot; and &quot;how far could they have reasonably traversed <i></i><i>uninjured</i><i></i> in this landscape<i></i><i>