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       COHERENT CW NEWSLETTER (Copyrighted March, 1975) CCWN 75:1

       
       THE EDITOR
       
        M. I. Chas. E. Woodson, 2301 Oak St., Berkeley, CA 94708,
       is the new editor of CCW Newsletter. Woody, W6NEY, is a    
professor at the University of California and operates     
mostly CW on 40,20, and 15 when he isn't building things    in
his laboratory. He also has a Japanese licence and       operates
from Japan during his frequent professional trips
       to Japan
       
       CALL FOR NEWS
       

            All interested parties are requested to send news to  
     the editor.
            
       SUBSCRIPTIONS
       
       Subscriptions to CCW Newsletter are $5 per year. We
       anticipate at least 80 pages per year, issued irregularly.
       Persons who make contributions will be considered as       
having indicated their interest and the subscription will       
be waved.
       
       DEFINITION OF COHERENT CW
       
        The technique of sending and receiving information in a
       binary code (e.g., Morse code) in such a way that the      
frequency,pulse length, and pulse phase are known and used
       in the demodulation of the information transmitted.        
(Please send the editor
       your comments on this definition.)
       
       BIBLIOGRAPHY
       
        The editor is compiling a bibliography of references
       relevant to CCW. Please send your suggestions for it.
       
       OPERATING PROCEDURES
       
       The following procedure for calling CW by CCW is           
suggested:
       a 30 second string of dots followed by CQ DE W6HAM. The    
dots allow the receiving operator to adjust the phase of    his
detector and also indicate CCW is being used.
       
       CONTRAST BETWEEN PHASE-LOCK LOOPS AND CCW
       
        Phase-lock loops appear to be very effective when the
       noise and interference is random. When non-random QRM      
signals stronger than the desired signal are in the        
bandpass, the phase-lock loop will lock on the QRM.
       
       STANDARDS FOR CCW OPERATION
       
       For the time being, the following standards are           

       suggested.  Operating frequency: 3,550,Q00 cycles, + 3     
cycles. Bit (dot) length: .1 second. This results in a      code
speed of approximately 12 w. p. m.