[time-nuts] LightSquared gets at least some political attention
lists at lazygranch.com
lists at lazygranch.com
Sat Apr 16 00:21:10 UTC 2011
8VSB was chosen because it allowed conventional translators top be used. Reality, who knows. In any event, the jury is still out on SFN working with 8VSB.
Broadcasting is more about politics than engineering. IBOC and BPL are proof of that.
-----Original Message-----
From: Magnus Danielson <magnus at rubidium.dyndns.org>
Sender: time-nuts-bounces at febo.com
Date: Sat, 16 Apr 2011 01:56:27
To: <time-nuts at febo.com>
Reply-To: Discussion of precise time and frequency measurement
<time-nuts at febo.com>
Subject: Re: [time-nuts] LightSquared gets at least some political attention
On 04/16/2011 01:44 AM, lists at lazygranch.com wrote:
> The CEA is petitioning to have terrestrial TV refarmed to free up some spectrum. The wireless companies will both pay the government and the broadcasters to get the spectrum.
>
> Though I liked Clinton/Gore, the HDTV plan was boned headed beyond belief. They should have never allowed HDTV in VHF, but stationed wanted parity with their analog status.
>
> We have one HDTV station with a dozen channels. It is so multiplexed it doesn't even look like SDTV.
>
> Trust me, I could rant on for pages on this.
But have you gone SFN? That would compact the frequency needs such that
LTE style broadband could be done in UHF instead of breaking up the GPS
signal. SFN requires sufficiently good timing... but last time I looked
at the ATSC SFN spec they got the fundamentals completely wrong, doable
but overspeced due to the missunderstandings.
Cheers,
Magnus
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