The Telecom Digest for January 05, 2011
Volume 30 : Issue 5 : "text" Format
Messages in this Issue:
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Date: Tue, 04 Jan 2011 16:08:14 EST
From: Bill Horne <bill@horneQRM.net>
Subject: The heart of Stuxnet
Here's an article from Wired: "A Four-Day Dive Into Stuxnet's Heart"
Those in the know says that the Stuxnet worm is a game-changer in
cyber-security. Althought apparently aimed at Iran's nuclear
processing efforts, the same principles and practices could be use to
compromise the ever-more-computer-dependent telecommunications
(Filter QRM for direct replies)
"I've been up and down this highway, far as my eye can see
No matter how fast I run, I can never seem to get away from me".
- Jackson Browne
Date: Tue, 04 Jan 2011 11:30:38 -0600
From: firstname.lastname@example.org (Robert Bonomi)
Subject: Re: USA broadband isn't broadband per FCC report...
In article <4D214A83.email@example.com>,
Neal McLain <firstname.lastname@example.org> wrote:
>David Clayton wrote:
> >>> That is the issue I keep banging on about, it is a specific
> >>> technical term that has been hijacked by so many fools that it
> >>> is now almost worthless.
> >> But was it a "specific technical term" in 1972 when the Madison
> >> city council "hijacked" it?
> > AFAIK the term was used decades before that to describe any
> > telecommunication media that carried multiple disparate channels.
>Well, by that definition of "broadband", I guess it was broadband. The
>distribution network carried numerous signals, but they were all related
>to the delivery of cable TV and FM services:
>-- VHF TV channels 2-13 (54-88; 174-216 MHz downstream)
>-- A couple dozen FM signals in the FM band (88-108 MHz downstream)
>-- AGC Control carrier (108.25 MHz downstream)
>-- "Sniffer" leakage-detection carrier (downstream)
>-- Microwave pilot carrier (73.95640 MHz downstream)
>-- One or more video or audio return signals (5-30 MHz upstream)
Yes, that was a correct technical usage of the term. If one is carrying
the 'raw' signal only -- i.e. not imposed on a 'carrier' frequency,
that is "baseband" transmission. Baseband occupies the spectrum from
zero Hz to the 'bandwidth' of the signal, With rare exceptions,
two baseband signals cannot share the same physical circuit. the straight
'video out' from a CCTV camera is one 'obvious' example.
If signals are riding 'on a carrier', and multiple such signals can share
the same physical circuit, without materially interfering with each other,
that is 'broadband". The circuit must handle a "broad" band of frequencies,
not just the spectrum of a single baseband signal.
Date: Tue, 04 Jan 2011 14:59:17 -0600
From: Neal McLain <email@example.com>
Subject: Court Throws Out FCC Fine Against ABC For 'NYPD Blue'
Used previous judgment in Fox music awards case as basis for Decision
By John Eggerton -- Broadcasting & Cable, 1/4/2011
> The Second Circuit Court of Appeals has thrown out the FCC's
> fine against ABC for a shot of Charlotte Ross' bare behind on
> NYPD Blue.
> In a nonprecedential summary judgment, the court said that
> since it found that the FCC's fine "for fleeting, unscripted
> utterances" in Fox music awards shows was unconstitutionally
> vague, and the NYPD Blue case, though dealing with scripted
> nudity, "turns on an application of the same context-based
> indecency test" it found impermissibly vague in Fox, the court
> agreed to vacate the NYPD Blue fine for the same reason of
Obtelecom: None, but it's weird enough that I'll bet Bill lets it go
***** Moderator's Note *****
It's not the weirdness that I notice, but the possibility that the FCC
and/or FDA and/or FTC will start to draw lines between "common
carriers" (the ISPs who aren't providing content) and "content
creators", i.e., everyone else.
The relevance to telecom is that it's getting harder to even define a
"common carrier", let alone to decide who, if anyone, can be held
responsible for prurient material.
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