> Hey Jeff- Just last year I had a similar problem. The first > thing we did was look through the old engineering data for > the site. In most cases, the sample lines should all be the > same length, so if you shoot the lines to the other tower(s) > with the TDR you can compute your own VF for the coax. We > did not have this data, and in my case, the coax to the other > two towers proved to be not the same length, so, time to punt.
This isn't my project, it's my buddy's. From what I gather, the engineering
records are incomplete in those details. He estimates the cable was laid in
1974, and was buried directly (1/4" cable buried directly in the ground in
upstate New York - frost heave is gonna git ya if moisture ingress
doesn't!). I'm not sure if he even knows at this point if they were
equal-length sample lines...
--- Jeff
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