CONTENTS 



Page 



INTRODUCTION 1 



BACKGROUND 1 



ADVANCED DEVELOPMENT MODEL (ADM) SYSTEM 4 



Equipment Description 4 



Laboratory Tests 7 



Ocean Tests . 10 



Conclusions and Recommendations from the ADM Tests . 15 



ENGINEERING DEVELOPMENT MODEL (EDM) SYSTEM 16 



System Description 16 



Reliability Tests 18 



Operational Effectiveness 20 



USER TESTS 24 



CONCLUSIONS 24 



RECOMMENDATIONS 25 



REFERENCES 25 



APPENDIXES 



A - Component Description - Metal Detecting System 



Mission and Required Operational Characteristics A-1 



B - Comparison of Physical Characteristics B- 1 



C - Detection Thresholds for Pulse-Induced Systems C-1 



D - Detection Thresholds for Forster Ferex . D-1 



