> "...federal rules that limit the strength of ultrawideband signals don't
> apply in underground pipes. So, Nunally says, power levels can be
> boosted to provide each household bandwidth of up to 6 gigabits per
> second, several times that of a cable provider. Yet power is low enough
> so that signals can share the pipes with natural gas without starting a
> fire, he says...".
> ...I guess at least until a closed valve is encountered, the pipe acts
> like a waveguide with minimal loss in the medium....
> 73 Hy W2HY
I wonder what sort of clamp-on ferrite might be
applied to tame gas-line QRM? :-)
I *hate* gas so have no idea as to the size of the
pipes in the neighborhoods. They are burying the
Lousiana-Florida pipes about 20 mile down the road
from here and they are massive!
Might a buried longwire be necessary as half of a
QRM nulling setup?
Thanks! & 73,
... somewhere in FL
URL: bibleseven (dot) com
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