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b06tmm | 6 years ago

We did this in the Navy to check circular wave guides to the ECM antennas in the leading edge of our bombers wings. We had to do this once every 6 months (I think) with a sweep generator to see if the cables needed to be replaced. Also, installing these were a complete PITA! Nothing was a straight run to where it needed to go, so you had to bend them as gently as possible as you fed the new line into the wing. Then you had to test it again.

These were very expensive and I've seen more than a few screwup's while installing them.

A coworker's cat-5 tester also has a TDR function that shows you where an issue is on the line.

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