CONTENTS 



1 INTRODUCTION AND BACKGROUND . . . page 3 



1.1 Scope of Report ... 3 



1.2 Prior Acoustic Slow-Scan Television Efforts ... 3 



1 .3 Relation of SUBSAT to Previous Work ... 5 



2 SUBSAT EXPERIMENTS ... 5 



2.1 SUBSAT Equipment ... 6 



2.1.1 Acoustic Source and Receiver ... 6 



2.1.2 Scan Converter ... 8 



2.1.3 Tape Recorder ... 8 



2.1.4 Monitors and Cameras ... 9 



2.1.5 Equipment Interconnection ... 9 



2.2 SEACLIFF Experiment ... 9 



2.3 DOLPHIN Experiment ... 12 



3 RESULTS ... 13 



3. 1 Examples of SUBSAT Video ... 1 3 



3.2 LOFARGRAM Analysis ... 16 



3.3 Surface-Bottom Multipath ... 18 



4 CONCLUSION ... 20 

 REFERENCES... 21 



APPENDIX A - SLOW-SCAN TV TEST OPERATING INSTRUCTIONS ... 23 

 APPENDIX B - TEST PLAN FOR SUBSAT DOLPHIN OPS - 19 JAN 1976 ... 25 



