Chapter 21 



ASPEaS OF COMMUNICATIONS 

 IN SEALAB II PROJECT 



G. P. Clapper, editor* 



Office of Naval Research 



Washington, D. C, 



INTRODUCTION 



Six locations were connected together for routine communications. The communications 

 links established were: 



1. Habitat - support vessel 



2. Habitat - shore 



3. Habitat - swimmer 



4. Swimmer - swimmer 



5. Support vessel - shore 



6. Personnel Transfer Capsule - support vessel 



BENTHIC CONTROL 



Fig. 76. Sealab 11 communications block diagram 



*The material for this chapter was contributed by E. P. Carpenter , Naval Ordnance TestStation, 

 V. C. Anderson, Marine Physical Laboratory, M. Mackinnon III, San Francisco Bay Naval Ship- 

 yard, W. B. Culpepper, and B. L. Cannon, U. S. Navy Mine Defense Laboratory. 



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