You're looking for this:

http://www.jneuhaus.com/fccindex/cablech.html

Cable uses slightly different frequencies than VHF/UHF, and depending on
if it's a Standard, IRC, or HRC system they differ on the cable system. 

Unless you've moved out of BFE Minnesota, you'll probably have to try
all three cable standards and hope for the best. It's most definitely
NOT actually VHF broadcast frequencies though. 

On Tue, 2009-10-06 at 18:56 -0500, Raymond Norton wrote:
> I did say I was capturing from a TV tuner. Glad I explained it well 
> enough that you knew what I meant
> 
> 
> 
> 
> 
> Chuck Cole wrote:
> > Linux and TV tuners are very different things.  Linux doesn't include the physical capacity to process (receive and demodulate) TV
> > channels, some hardware must do that.  Your language isn't describing the right physical things and their interfaces.  A typical VHS
> > tape player has a receiver for TV and delivers base video extracted (demodulated) from the  TV carrier signals but does not have a
> > direct interface a PC can use, and this has nothing yet compatible with VLC or Linux.  Eventually, an analog-to-digital conversion
> > must be done, and then a digital encoding that may be part of VLC may occur.  You may be clear on what you seek, but your language
> > isn't stating that.
> >
> > Chuck
> >   
> >   
> 
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