On Sun, 31 May 2009 13:22:33 +0100, tony sayer
wrote:

Indeed it is .. we once used around three miles of phone cable overhead
and underground for an RSL and apart from a bit of "top" loss its was
very quiet indeed..

I was once told that the cables on telephone posts are arranged to
form a twisted pair. (I.e. the cables move from insulator to
insulator so that they twist around each other.)

Pardon my ignorance, but what is an RSL?

Thanks,

--
Chris Isbell
Southampton, UK