Make that "DVB folks" in my second paragraph! ----- Original Message ----- From: "Dale Kelly" <dalekelly@xxxxxxxxxxx> To: "Dale Kelly" <dalekelly@xxxxxxxxxxx> Sent: Tuesday, December 14, 2004 7:54 PM Subject: Early COFDM / ATSC Receiver differences > Bert wrote >>The way I see it, if COFDM receivers worked but ATSC receivers > did not, what were the differences? Well, the above 3 points > (each related to multipath equalization issues) were obvious differences. > In fact, even COFDM receivers had a tough time in Brazil E. I don't > think there's any huge mystery here.< > > Agreed. > A fourth difference is that the tested COFDM receivers likely utilized > the DVB's RF front-end specification. I assume that the ATSC receivers > simply used current off the shelf analog front ends since there was no > ATSC recommendation at that time. > > However, the DBS folks, who seemingly understood this issue a bit > better than did ATSC, wrote a solid receiver specification into their > system. It is said to be voluntary in nature, however, if manufacturers > intend to place the DBS name upon a receiver, they must abide by that > specification (as I understand it). > > > > > ---------------------------------------------------------------------- You can UNSUBSCRIBE from the OpenDTV list in two ways: - Using the UNSUBSCRIBE command in your user configuration settings at FreeLists.org - By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word unsubscribe in the subject line.