On Tue, 25 Nov 2008 13:51:24 +0000, Dave wrote:


Digital is a major step toward "conditional access".

And the 80 year old method of modulation, a combination of pulse, FM,
and analog was just as much a restriction to specialized equipment. If
you tried to get TV on your XTAL radio, it would be like listening to
an encrypted secure network.

If you stood out in a field and tried to listen to AM radio waves
(without even the boon of that XTAL radio), you would still suffer
"conditional access."

So, what is the big deal?

73's
Richard Clark, KB7QHC