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To: DOUG H who wrote (10904)	6/9/1999 8:29:00 PM
From: E. Davies	Respond to of 29970

I see references to 6 MHz to 100 MHz channels and or spectrums. Can you give me a quick lesson please. This is one of those situations when you hear the answer you say "Duh! I knew that already". A TV channel (say NBC on channel 4 or "The Golf Channel" on 27) uses 6Mhz of spectrum. A standard tv cable wire can handle roughly 100 channels, though typically cable systems I've seen don't use more than around 50 for TV). The rest of the frequency is available for other stuff, cable internet being one of them. It is slightly confusing to say that the wire can handle "500 6Mhz digital channels". The data is being sent digitally compressed so that each TV channel uses much less than 6Mhz on the wire. Then the settop box uncompresses the digital channel back to 6mhz for your TV. Eric