At 1:26 PM -0500 3/2/05, Bob Miller wrote: >What is the history of the 30 ft mast test? I have thought it was a >standard FCC test during analog years. Correct. And thus, since this services was to replicate NTSC service, this was assumed by all to be the proper test. > >Was it part of the design of 8-VSB? Did the FCC incorporate words to the >effect that a 30 ft mast test was integral to whether a modulation was >acceptable? Not exactly. The ATTC assumed this during the testing process, although there were a few indoor tests as well. The FCC got into it when they did their own reception tests in the DC area after Sinclair raised the stink about COFDM. The FCC test regime was to send out trucks with 30 foot mast antennas. Regards Craig ---------------------------------------------------------------------- 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.