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Update: DTV antenna on VHF
On Sun, 14 Jun 2009 11:08:36 -0700 (PDT), Jim Lux
wrote: Until fairly recently, hams didn't do much coding, for a variety of reasons. This neither negates the specific issues of signal to noise in their relationship, a matter that is quite in the power of the Ham to control to some extent; nor does it invalidate the simplicity of that relationship revealed through one graphic that serves to reduce the obscurity of a lot of math. As for the variety of reasons, computation power would seem to be in abundance (the first mythical Cray is a door stop today). That as an excuse is a croak. It's not anything like a turnkey thing, Like I said, an indifferent or incapable individual in the guise of "Ham." I am amazed how that Lid is raised on a pedestal. or even a "go get gnuradio" thing. Where you see coding in common ham use, it's buried in an application (PSK31, JT65, and the like) So, let me get this straight, because it is available (a seeming contradiction from the tenor of your response), it is not accessible? Or it is not useful? Or it is not understood? Or Shannon has been rendered obsolete? Your objections are answered with your own solutions and yet the sense of what you say is shove Shannon out the window and whine about the noise. 73's Richard Clark, KB7QHC |
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