I designed several in-building systems with leaky coax, some over 1000'.
I have even used RG6 with the shield removed every 18" with a grinder
and then covered with Scotch 33. This worked very well and made my boss
very happy! This was for 152 MHz paging. Making the shield slots was
easy and I could do an entire 1000' box of cable in an hour or so.
John NI0K
Here in the mountains of Montana most RR tunnels have it for carrying
control signals between front and rear multiple-engine units. There
are
antennas connect to the coax at both ends.
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