echelonii: ACOUSTIC SOUND SENSOR, DESIGN AND SPECIFICATIONS The acoustic gunfire sensor has been deployed by a number of organizations throughout the world in those urban areas where it might otherwise be difficult to implement and maintain a pervasive

echelonii: ACOUSTIC SOUND SENSOR, DESIGN AND SPECIFICATIONS The acoustic gunfire sensor has been deployed by a number of organizations throughout the world in those urban areas where it might otherwise be difficult to implement and maintain a pervasive

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from: http://hobomechanist.tumblr.com/post/56826810998