DETAILED TEST PLAN FOR THE CARGO SECURITY SYSTEM FIELD EVALUATION

• NCJ Number: 41349
• Author(s): ANON
• Date Published: 1977
• Length: 187 pages
• Contract Number(s): J-LEAA-025-73; W-67861
• Sponsoring Agency: Aerospace Corporation; US Dept of Justice; US Dept of Justice NIJ Pub
• Corporate Author: J H Wiggins Co
• Publication Format: Document
• Language: English
• Country: United States of America

Annotation

THIS REPORT DESCRIBES THE OPERATION OF A CARGO SECURITY SYSTEM.

Abstract

FOR PURPOSES OF THIS REPORT, THE CARGO SECURITY SYSTEM WAS TESTED UNDER CONTROLLED CONDITIONS TO VERIFY THE OPERATION OF SYSTEM ELEMENTS. AS A RESULT OF THE PILOT TEST, CHANGES WERE MADE IN THE SYSTEM TO IMPROVE PERFORMANCE. THE EQUIPMENT MOUNTED IN THE TRUCK IS BEYOND THE DRIVER'S CONTROL. CARGO SECURITY COMMUNICATION TO AND FROM THE TRUCK IS ON A COMMON COMMUNICATION LINK SEPARATE FROM THE VOICE CHANNEL. THE LOCATION SUBSYSTEM INCLUDES THE HYBRID PHASE LOCK LOOP AND THE SIGNPOST PROXIMITY EQUIPMENT. THE BASE STATION AND TRUCKING COMPANY DISPATCH STATION ARE CONNECTED BY TELEPHONE LINES WITH A MODEM FOR EACH COMPANY. THE TRANSMISSIONS FROM THE TRUCK ARE EVENT DRIVEN....BDS