Scan Lines was the journal of the Broadcast 
							Designers Association 
							(BDA) which operates as a
							professional trade association.  
							The Association represents entertainment marketing 
							professionals. BDA acts as a communications network 
							and training facility. BDA offers educational 
							resources, publications, technological tools, and 
							leadership opportunities. | 
						 
						 
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							Modern Era Technical Miscellanea | 
					
						 
					
						
					
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