[RFI] BrightHouse & RFI?

Kelly Johnson n6kj.kelly at gmail.com
Thu Aug 21 19:30:26 EDT 2008

Wouldn't this argument also apply to the television set manufacturers?
 I mean, you would think it would be in their best interest to shield
from ingress too, but anecdotal evidence suggests otherwise.  Ask my
next door neighbor :-)

On 8/21/08, Andy <ingraham.ma.ultranet at rcn.com> wrote:
> In the "old" days with analog cable TV channels, the cable companies had an
> extra incentive to keep RFI from their cables low:  When the cables radiate
> anything, there is also ingress into the cables (from broadcast stations,
> from ham radio operators, and from other 2-way radio services), and this
> tends to cause herringbone and other interference problems to their own
> customers.  So it was in their best interests to use well shielded cable and
> to keep their cable plant in good condition; and in some cases (or so I've
> read), that was enough to keep them on their toes and fix any leakage
> problems before people had a chance to complain about interference from the
> cables out.
> Now that digital has or is replacing analog NTSC on many cable systems, I
> fear that this particular incentive may be largely gone.  The digitally
> encoded signals tolerate more RFI ingress before anything goes wrong for the
> cable customer.
> Andy
> _______________________________________________
> RFI mailing list
> RFI at contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi

More information about the RFI mailing list