RW> TW> I have no problem with that but it stil lstands that the Word   
   RW> TW> "Carrier" is a Standard term  used to describe the RF signal   
   RW> TW> eninating form a transmitter.   
      
   RW>Then how do you explain the non-carrier of a SSB transmission?   
      
   The theory is fairly simple, And as a side note the full name is "Single   
   Side Band Suppresed Carrier"!!!   
      
   http://en.wikipedia.org/wiki/Single-sideband_modulation   
      
   In radio communications, single-sideband modulation (SSB) or   
   single-sideband suppressed-carrier (SSB-SC) is a refinement of amplitude   
   modulation that more efficiently uses transmitter power and bandwidth.   
   Amplitude modulation produces an output signal that has twice the   
   bandwidth of the original baseband signal. Single-sideband modulation   
   avoids this bandwidth doubling, and the power wasted on a carrier, at   
   the cost of increased device complexity and more difficult tuning at the   
   receiver.....Snip.... for brevity   
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