| 摘要 |
The present invention provides a system, method and device for locating undetonated explosive devices during the clean-up of a blasting area, the location being effected by co-locating in active or passive wireless transmitter units together with the respective explosive devices, and where the location is effected by at least one radio receiver unit that is in radio communication with the respective wireless transmitter units, where the wireless transmitter unit changes its radio frequency characteristic as a blasting operation causes destruction of the wireless transmitter unit, or in that a device in the wireless transmitter unit detects that the explosive device and the wireless transmitter unit have become separated at the blast site.
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