Thank you kind sir. Bob Miller Cliff Benham wrote: >From 47CFR,CH. I, 10-01-99 Edition=20 >Subpart E Television Broadcast Stations >Part 73.686 Field Strength Measurements >(b) (2) Measurement Procedure >"All measurements shall be made utilizing a receiving antenna=20 >designed for reception of the horizontally polarized signal=20 >component, elevated 9.1 meters (30 feet) above the roadbed." > > >-----Original Message----- >From: opendtv-bounce@xxxxxxxxxxxxx >[mailto:opendtv-bounce@xxxxxxxxxxxxx]On Behalf Of Bob Miller >Sent: Wednesday, March 02, 2005 1:27 PM >To: opendtv@xxxxxxxxxxxxx >Subject: [opendtv] Re: Digital radios outstrip analogue > > >What is the history of the 30 ft mast test? I have thought it was a=20 >standard FCC test during analog years. > >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=20 >acceptable? > >I have always thought it was. > >Bob Miller > >Craig Birkmaier wrote: > > > >>Perhaps I was reading too much into your emoticon. >> >>I thought that you were making a tongue--in-cheek statement about the=20 >>inability of ATSC to deliver bits to mobile/portable devices. >> >>The 30 foot mast test was perhaps the most compelling evidence that=20 >>the ATSC system was not designed to replace NTSC, but rather to=20 >>protect it. The fact that the FCC continues to support the absurd=20 >>notion that DTV is a fixed service for fixed antennas says everything=20 >>we need to know. >> >>Obviously, a properly designed terrestrial broadcast network would=20 >>ONLY need an antenna on a 30 foot mast for the folks who live=20 >>significant distances from the market from which they are trying to=20 >>receive the broadcasts. And this assumes that there would not be gap=20 >>fillers to provide them with the same ease of reception as the people=20 >>who live in urban/suburban areas. >> >>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.